Toshiba RAV-SM2802DT-TR manual

R410A PRINTED IN JAP AN, Apr ., 2010 T oMo FILE NO. A10-001 Revised: May , 2010 SER VICE MANUAL SPLIT TYPE INDOOR UNIT <DIGIT AL INVER TER> RA V -SM2242DT -E RA V -SM2802DT -E RA V -SM2242DT -TR RA V -SM2802DT -TR[...]

– 2 – CONTENTS ORIGINAL INSTR UCTION ................................................................................. 3 WARNING INDICA TIONS ON THE AIR CONDITIONER UNIT .......................... 5 PRECA UTION FOR SAFETY ... ......................................................................... 6 NEW REFRIGERANT (R410A) ... ................[...]

– 3 – Original instruction Please read carefully through these instructions that contain impor tant information which complies with the “Machiner y” Directiv e (Directive 2006/42/EC), and ensure that y ou understand them. Some of the details provided in these instructions diff er from the ser vice manual, and the instructions provided here [...]

– 4 – Definition of Pr otective Gear When the air conditioner is to be transpor ted, installed, maintained, repaired or remov ed, wear protectiv e glov es and ‘safety’ work clothing. In addition to such nor mal protectiv e gear , wear the protectiv e gear described below when under taking the special work detailed in the table below . F ail[...]

– 5 – W arning Indications on the Air Conditioner Unit [Confirmation of warning label on the main unit] Confir m that labels are indicated on the specified positions If removing the label during par ts replace, stic k it as the original. W arning indication W ARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies bef ore s[...]

– 6 – Precaution f or Safety W ARNING General Bef ore star ting to repair the air conditioner , read carefully through the Ser vice Manual, and repair the air conditioner by f ollo wing its instr uctions. Only qualified ser vice person ( ∗ 1) is allow ed to repair the air conditioner . Repair of the air conditioner by unqualified person ma y [...]

– 7 – Ex ecute discharge between terminals. Prohibition Sta y on protection Ev en if the circuit breaker has been set to the OFF position bef ore the ser vice panel is remov ed and the electrical par ts are repaired, y ou will still r isk receiving an electric shock. F or this reason, shor t-circuit the high-voltage capacitor terminals to disch[...]

– 8 – Refrigerant Assembly/ Cabling Insulator check V entilation Compulsion The refrigerant used by this air conditioner is the R410A. Check the used refrigerant name and use tools and materials of the par ts which match with it. F or the products which use R410A refrigerant, the refr igerant name is indicated at a position on the outdoor unit [...]

– 9 – Check after repair Do not operate the unit with the valv e closed. Check after reinstallation Cooling check Installation Once the repair work has been completed, check f or refrigerant leaks, and chec k the insulation resistance and water drainage . Then perf or m a trial r un to chec k that the air conditioner is r unning properly . Afte[...]

– 10 – Explanations given to user • If y ou hav e discov ered that the f an grille is damaged, do not approach the outdoor unit but set the circuit break er to the OFF position, and contact a qualified ser vice person to hav e the repairs done. Do not set the circuit break er to the ON position until the repairs are completed. Relocation • [...]

– 11 – Ne w Refrig erant (R410A) This air conditioner adopts a new HFC type refrigerant (R410A) which does not deplete the oz one lay er . 1 . Safety Caution Concerned to New Refrigerant The pressure of R410A is high 1.6 times of that of the f or mer refrigerant (R22). Accompanied with change of refrigerant, the refrigerating oil has been also [...]

– 12 – 4 . T ools 1. Required T ools for R410A Mixing of diff erent types of oil may cause a troub le such as generation of sludge , clogging of capillar y , etc. Accordingly , the tools to be used are classified into the follo wing three types. 1) T ools exclusiv e f or R410A (Those which cannot be used f or conv entional refrigerant (R22)) 2)[...]

– 13 – 1. SPECIFICA TIONS 1-1. Indoor Unit 1-1-1. Concealed Duct High static pressure T ype Model Indoor unit Outdoor unit Cooling capacity (kW) Heating capacity (kW) P ower supply (V) Indoor unit Running current (A) P ower consumption (kW) P ower f actor (%) P ower supply (V) Cooling Outdoor unit Running current (A) P ower consumption (kW) P o[...]

– 14 – 1-1-1. Concealed Duct High static pressure T ype (Contined) Model Indoor unit Outdoor unit Cooling capacity (kW) Heating capacity (kW) P ower supply (V) Indoor unit Running current (A) P ower consumption (kW) P ower f actor (%) P ower supply (V) Cooling Outdoor unit Running current (A) P ower consumption (kW) P ower f actor (%) P ower co[...]

– 15 – 2. CONSTR UCTION VIEWS (EXTERNAL VIEWS) 2-1. Indoor Unit RA V -SM2242DT -E, RA V -SM2802DT -E / RA V -SM2242DT -TR, RA V -SM2802DT -TR (4-12 × 92) 60 0 128 8 132 8 62 4 69 8 125 0 25 0 37 0 65 25 0 35 25 0 2 2 4 6 25 0 15 0 20 0 3 1 20 0 25 0 3 54 0 62 9 47 0 4 5 25 02 5 02 5 0 126 0 138 0 10 0 65 <I nsta ll atio n Not ic e> 1. Be[...]

– 16 – 3. SYSTEMA TIC REFRIGERA TING CYCLE DIA GRAM 3-1. Indoor Unit RA V -SM2242DT -E, RA V -SM2802DT -E RA V -SM2242DT -TR, RA V -SM2802DT -TR Dimension table Indoor unit TCJ sensor Air heat e xchanger TC sensor Distributor (Strainer incor porated) Refrigerant pipe at liquid side ØB Refrigerant pipe at gas side ØA T o outdoor unit T o outdo[...]

– 17 – 4. WIRING DIA GRAM 4-1. Indoor Unit RA V -SM2242DT -E, RA V -SM2802DT -E RA V -SM2242DT -TR, RA V -SM2802DT -TR A 220-240V 5 0Hz 43F1,43F2 F an Mot or Co ntro l Rela y F1 3 F us e for F an Moto r DP Drai n Pump Mo tor RY0 01 Lou ver C ont rol R el ay RY0 02 Drain C ontrol Relay RY005 007 F an Mo tor Co ntro l Re lay TC, TC J Temp s ensor[...]

– 18 – 4-2. Fan Characteristics Current value as a criterion, adjust the air volume v alue to become within the range of the char t below .] < RA V -SM2242 type > 4 4.5 5 5.5 6 6.5 7 7.5 8 3000 2800 3400 3800 4200 4400 2880 3200 3600 4000 4320 5 50 100 150 200 250 300 Standard air volume: 3600m³/h High static pressure tap (50Hz) Medium s[...]

– 19 – < RA V -SM2802 type > REQUIREMENT Add a air v olume damper to the air supply duct, and adjust the air volume in the r ange from 80% to 120% of the standard air v olume. 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 3400 3200 3800 4200 4600 5000 5200 3360 3600 4000 4400 4800 5040 5 50 100 150 200 250 300 350 Standard air volume: 4200m³/h High stat[...]

– 20 – n Wire connection change of fan motor This duct is composed of 3 f an motors. T o change e xter nal static pressure by duct resistance , connect the 3 connectors of the orange lead wires that are connected to the underside of the f an tap changing ter minal bloc k to the same number (F1, F2 or F3) ter minal. The wires of the f an motor h[...]

– 21 – 5. SPECIFICA TIONS OF ELECTRICAL P ART S 5-1. Indoor Unit RA V -SM2242DT -E, RA V -SM2802DT -E RA V -SM2242DT -TR, RA V -SM2802DT -TR No. 1 2 3 4 P ar ts name F an motor T A sensor TC sensor TCJ sensor T ype STF-200-370-4AR Lead wire length : 818mm Ø6 size lead wire length : 2000mm Vinyl tube (Blac k) Ø6 size lead wire length : 2000mm [...]

– 22 – Max. 8 units are connectable. ∗ 1 ∗ 1 Howe v er when mounting a network adapter while 2 wired (simple) remote controllers are connected, Max. 7 units are connectable. ∗ 2 A network adapter is mounted to only 1 unit. ∗ 3 Connection of schedule timer to the simple remote controller is unav ailab le. Central control remote controlle[...]

– 23 – Setup air volume oper ation • Setup air volume Cooling operation Heating operation Ta (˚C) -1.0 Ts + α +1.0 No. 1 2 Item When power supply is reset Operation mode selection Outline of specifications 1) Distinction of outdoor unit When the pow er supply is reset, the outdoors are distinguished and the control is selected according to [...]

– 24 – No. 3 4 Item Room temp . control A utomatic capacity control (GA control) Outline of specifications 1) Adjustment range: Remote controller setup temperature (°C) Setup air v olume operation Setup data Setup temp . correction 0246 +0°C +2°C +4°C +6°C 1) Based on the diff erence between T a and Ts , the operation frequency is instruct[...]

– 25 – No. 5 Item A utomatic cooling/ heating control Outline of specifications 1) The judgment of selecting COOL/HEA T is carried out as shown below . When e xceeding +1.5 against Tsh 10 minutes and after thermo .-OFF , heating operation (Ther mo . OFF) exchanges to cooling oper ation. Description in the parentheses shows an e xample of coolin[...]

– 26 – 5 2 A J K I (˚C) No. 7 Item F reez e prev entiv e control (Low temper ature release) Outline of specifications 1) The cooling oper ation is performed as follo ws based on the detected temperature of Tc sensor or Tcj sensor . When [J] zone is detected f or 6 minutes (F ollowing figure), the commanded frequency is decreased from the real [...]

– 27 – A B L N M (˚C) Tc Tcj No. 8 9 10 Item High-temp . release control Drain pump control ( When drain up kit sold separately is mounted ) After-heat elimination Outline of specifications 1) The heating operation is perf ormed as follo ws based on the detected temperature of Tc sensor or Tcj sensor . • When [M] zone is detected, the comman[...]

– 28 – No. 12 Item F requency fix ed operation (T est r un) Outline of specifications <In case of wired remote controller> 1) When pushing [CHK] b utton for 4 seconds or more , [TEST] is displa yed on the displa y screen and the mode enters in T est run mode. 2) Push [ON/OFF] b utton. 3) Using [MODE] b utton, set the mode to [COOL] or [HE[...]

– 29 – –3 –4 Tsh T a (˚C) Usual control The Max. frequency is restricted to appro x. cooling rated v alue. +3 Tsc +4 T a (˚C) Usual control The Max. frequency is restricted to appro x. cooling rated v alue. No. 15 16 Item Sa ve oper ation (By connected outdoor unit) Max. frequency cut control Outline of specifications 1) When selecting [A[...]

– 30 – 6-3. Indoor Print Cir cuit Board <MCC-1403> Drain pump output P ower transf ormer (Primar y side) (AC240V) Optional power supply AC f an output EXCT Filter/Option error input T A sensor Float SW ∗ Shor t plug is inser ted ∗ 1 No function Outside error input TCJ sensor TC sensor CHK DISP Used for servicing Optional output Remote[...]

– 31 – 6-3-1. Optional Connector Specifications of Indoor P .C. Board Function V entilation output Option output Outside error input A UT O up/ down g r ille ( ∗ ) FIL TER Option error / Humidifier setting ( ∗ ) CHK Operation chec k DISP Exhibition mode EXCT Demand Connector No. CN32 CN60 CN80 CN20 CN70 CN71 CN72 CN73 Pin No. 1 2 1 2 3 4 5 [...]

– 32 – T rouble Confirmation of c heck code displa y Check def ective position and par ts. → → 7. INDOOR UNIT TROUBLESHOO TING 7-1. Summary of T roubleshooting <Wired remote contr oller type> 1. Before tr oubleshooting 1) Required tools/instruments • + and – scre wdrivers, spanners , radio cutting pliers, nippers , push pins for r[...]

– 33 – Main remote contr oller (RBC-AMT32E) How to read c heck monitor displa y <7-segment displa y> n Confirmation of err or log When an error occurred on the air conditioner , the error log can be confir med with the f ollowing procedure. (The error histor y is stored in memor y up to 4 errors.) The log can be confir med from both opera[...]

– 34 – 13 4 2 n Remote contr oller switch monitoring function This function is av ailab le to call the ser vice monitor mode from the remote controller during a test run to acquire temperatures of sensors of the remote controller , indoor unit, and outdoor unit. 1. Push CL and TEST buttons sim ultaneously f or at least 4 seconds to call the ser[...]

– 35 – 7-1-1. Check Code List (Indoor) (Indoor unit detected) ² When this war ning was detected bef ore group construction/address check finish at pow er supply was tur ned on, the mode shifts automatically to A UT O address setup mode. (Remote controller detected) (Central control de vices detected) NO TE: Even f or the same contents of error[...]

– 36 – Chec k Code List Err or mode detected by indoor unit Operation of diagnostic function Check code E03 E04 E08 L03 L07 L08 L09 L30 P10 P19 P31 F01 F02 F10 F29 E10 E18 Cause of operation No communication from remote controller (including wireless) and communication adapter The serial signal is not output from outdoor unit to indoor unit. ?[...]

– 37 – Err or mode detected b y outdoor unit The check code has been r amified from 4 ser ies and after The ramified chec k code is displa yed only when both the indoor unit and the outdoor unit are 4 series and after . (Ex. Combination of RA V -SM140 4 UT -E with RA V -SM280 4 A T8-E) When the indoor unit is 3 series and before, the con v enti[...]

– 38 – Operation of diagnostic function Check code Indoor unit before after 3 series 4 series H03 H03 P05 F23 H06 H06 P03 P03 H04 P04 P04 P05 P20 P22 P22 P26 P26 P29 P29 Cause of operation Current detection circuit error Open phase of 3-phase power supply Ps sensor error Low pressure protectiv e operation Discharge temp . error ∗ Discharge te[...]

– 39 – Err or mode detected b y remote contr oller or central contr oller (TCC-LINK) ∗ 2 The check code cannot be displa y ed by the wired remote controller . (Usual operation of air conditioner becomes unav ailab le.) F or the wireless models, an error is notified with indication lamp . ∗ 3 This trouble is related to communication of remot[...]

– 40 – 7-1-2. Diagnostic Procedure f or Each Chec k Code (Indoor Unit) Check code [E01 error] Is inter-unit cable of A and B normal? Is group control operation? Is power of all indoor units turned on? Is power supplied to remote controller? AB terminal: Appro x. DC18V Are 2 remote controllers set without master unit? Are 2 master units set in 2[...]

– 41 – [E04 error] Is there no disorder of power supply? Does outdoor operate? Is group address setup of remote controller correct? Are wiring in indoor unit and 1, 2, 3 inter-unit cables correct? Are wirings of ter minal bloc ks (1, 2, 3) wired to CN67 normal? Check indoor P .C. board. Def ect → Replace Check indoor control P .C. board (MCC-[...]

– 42 – Is not yet capacity setting of indoor unit set up? Is group control operation? Is power of all indoor units turned on? Is inter-unit cable of A and B normal? Is there no contact error of indoor/outdoor inter-unit cable (Signal line)? Is there no disconnection or contact error of connector on harness from ter minal bloc k of indoor unit? [...]

– 43 – [L20 error] Is group operation carried out? Do outside de vices nor mally work? Check cause of oper ation. Check corresponding indoor unit/outdoor unit. Are outside de vices of connector CN80 connected? Is not the multiple same central control system addresses connected? Is there check code on sub remote controller in main and sub remote[...]

– 44 – Does float s witch work? Does drain pump work? Is circuit wiring nor mal? Is power of drain pump turned on? ∗ Are connector pins 1 and 3 at drain pump unit side shor ted (Resistance value 0)? Is connection of float s witch connector (Indoor control board CN34) normal? Check the dr ain pipe, etc. Replace drain pump . Check wiring. Repla[...]

– 45 – [P19 error] YES YES YES YES YES YES NO NO NO NO NO NO ∗ Refer to temper ature-Resistance value characteristic table . Is operation of 4-wa y v alve normal? Is refrigerant flow b y PMV nor mal? Is circuit wiring nor mal? Are resistance value char acteristics of TC sensor normal? In heating mode, 4-wa y valv e coil terminal 200V Check 4-[...]

– 46 – [F02 error] Correct connection of connector . Are characteristics of TC sensor resistance value normal? Is connection of TC sensor connector (CN101 on Indoor P .C. board) correct? ∗ Refer to Charqacteristics-2. Replace TC sensor . Check indoor P .C. board (MCC-1403). Def ect → Replace Correct connection of connector . Are characteris[...]

– 47 – [C06 err or] (1:1 model connection interface) Check centr al controller . Def ect → Replace Is there no noise source? Did a power f ailure occur? Is not the source power supply turned on? Is there no connection error of power supply cab le? Are A and B communication lines normal? Are U3 and U4 communication lines normal? Correct commun[...]

– 48 – [E03 err or] (Master indoor unit) [E03 error] is detected when the indoor unit cannot receive a signal from the wired remote controller (also central controller). Chec k A and B remote controllers and communication lines of the central control system U3 and U4. As communication is impossib le, this chec k code [E03] is not display ed on [...]

– 49 – T A, TC, TCJ sensor s T emperature (°C) 0 10 20 25 30 40 50 60 70 80 90 100 Resistance value (k Ω Ω Ω Ω Ω ) (Minimum v alue) (Standar d value) (Maxim um value) 32.33 33.80 35.30 19.63 20.35 21.09 12.23 12.59 12.95 9.75 10.00 10.25 7.764 7.990 8.218 5.013 5.192 5.375 3.312 3.451 3.594 2.236 2.343 2.454 1.540 1.623 1.709 1.082 1.146 [...]

– 50 – Inspection of F an Motor P ar t name F an motor STF200–370–4AR Chec king procedure Measure the resistance v alue of each winding by using the tester . Under 20°C P osition Black – Red Black – White Black – Y ellow Orange – White Blue – White Resistance v alue 12.1 Ω 12.4 Ω 3.94 Ω 13.47 Ω 15.02 Ω F an motor i ns id e w[...]

– 51 – 8. REPLA CEMENT OF SER VICE P .C. BO ARD 8-1. Indoor t Unit <Note: when replacing the P .C. boar d for indoor unit servicing> The nonv olatile memor y (hereafter called EEPR OM, IC503) on the indoor unit P .C . board bef ore replacement includes the model specific type inf or mation and capacity codes as the f actor y-set v alue an[...]

– 52 – [2] P .C. Boar d for indoor unit servicing replacement pr ocedures Step 1 Replace the P .C . board to the P .C . board f or indoor unit servicing. On the new P .C . board, set the same setting of the jumper wire and setting of shor tcut connection connec- tor as those of the P .C . board before replacement. Step 2 According to the system[...]

– 53 – 36 5 1 4 2 [3] Writing the setting data to EEPR OM The settings stored in the EEPROM of the P .C . board f or indoor unit ser vicing are the f actor y-set values . Step 1 Push SET , CL and TEST buttons on the remote controller sim ultaneously for more than 4 seconds . ∗ In the group control operation, the unit No . displa yed f or the [...]

– 54 – DN 01 02 03 06 OF 10 11 12 13 14 1E 28 2b 31 32 40 60 Item Filter sign lighting time Filter pollution le ve Central control address Heating suction temperature shift Cooling only T ype Indoor unit capacity System address Indoor unit address Group address T emperature range of cooling/heating automatic SW control point P ow er failure aut[...]

– 55 – 9. SETUP A T LOCAL SITE AND O THERS 9-1. Indoor Unit 9-1-1. T est Run Setup on Remote Controller <Wired remote controller> 1. When pushing TEST b utton on the remote controller for 4 seconds or more , “TEST” is display ed on LC displa y . Then push ON / OFF button. • “TEST” is displa y ed on LC display during operation of[...]

– 56 – 9-1-3. LED Display on Indoor P .C. Board 1. D002 (Red) • Goes on at the same time when po wer was turned on (Main microcomputer operates and goes on.) • Flashes with 1-second interval (e v er y 500ms): When EEPR OM is not provided or writing was an error . • Flashes with 10-seconds inter v al (e very 5S): When the mode is DISP 2. D[...]

– 57 – Function selection item No. (DN) list DN 01 03 06 10 11 12 13 14 1E 28 2A 2b 31 32 40 60 C2 D0 Item Filter sign lighting time Central control address Heating suction temp . shift T ype Indoor unit capacity Line address Indoor unit address Group address In automatic cooling/heating, temp. width of cool → heat, heat → cool mode selecti[...]

– 58 – 9-1-5. Wiring and Setting of Remote Controller Contr ol (Setup method) One or multiple indoor units are controlled b y 2 remote controllers. (Max. 2 remote controllers are connectable .) <Wired remote contr oller> How to set wired remote contr oller as sub remote contr oller Change DIP s witch inside of the rear side of the remote [...]

– 59 – 9-1-6. Monitor Function of Remote Controller Switc h n Calling of sensor temperature displa y <Contents> Each data of the remote controller , indoor unit and outdoor unit can be understood b y calling the ser vice monitor mode from the remote controller . <Procedure> 1 Push TEST + CL buttons sim ultaneousl y for 4 seconds to [...]

– 60 – n Calling of err or histor y <Contents> The error contents in the past can be called. <Procedure> 1 Push SET + TEST b uttons simultaneousl y for 4 seconds or more to call the service chec k mode . Ser vice Check goes on, the CODE No. 01 is display ed, and then the content of the latest alar m is displa yed. The number and err[...]

– 61 – n Indoor unit power -ON sequence <Cautions at test run> • P o wer supply/Indoor/Outdoor serial and Gr wir ing: OK • P o wers of all indoor units are tur ned on within 3 minutes . • Reception time f or remote controller operation (After pow er supply was turned on) 1) When address is OK : Approx. 50 seconds 2) In AUT O address[...]

– 62 – CN51 CN40 SW01 Remote controller Indoor control P .C. board 1:1 model connection interface communication circuit T erminal resistance 1:1 model connection interf ace P .C. board MCC-1440 Indoor unit 1:1 model connection interface Communication units : T otal 64 units Communication distance : 2000 m CN050 CN041 T erminal block (A, B) Cent[...]

– 63 – 4. Wiring specifications • Use 2-core with no polar wire. • Match the length of wire to wire length of the central control system. If mix ed in the SMMS system, the wire length is lengthened with all indoor/outdoor inter-unit wire length at side. • T o pre vent noise troub le, use 2-core shield wire . • Connect the shield wire by[...]

– 64 – T er minator (SW01) 52 85 5 1 2 4 1 3 S E T TIMER S E T TE ST FIL TER L L RE S E T TEMP . CL FA N SA VE A A S WIN G/ FI X VENT M O D E O N / O F F U NI T LOUVER T 6. External vie w of P .C. board assemb ly 7. Ad dress setup In addition to set up the central control address , it is necessar y to change the indoor unit number . (Line/Indoo[...]

– 65 – How to confirm the central contr ol address ( N e w function f or AMT32E remote controller) <Pr ocedure> It can be confir med e ven during operation or stopping. 1 Push UNIT LOUVER b utton for 4 seconds or more . ò 2 In the frame at left side of the remote controller screen, the lighting set contents are display ed. During unset t[...]

– 66 – Setup of line address of outdoor unit, indoor unit address, and group address Completion of cabling work Turn on power of outdoor unit. Turn on power of outdoor unit. Connect one remote controller with one indoor unit (1 : 1) tentatively with communication cable. END Turn on power of outdoor unit. Set to all indoor units one by one. Do y[...]

– 67 – 10-2. Ad dress Setup & Group Contr ol <T erminology> Indoor unit No . : N - n = Outdoor unit line address N (Max. 30) - Indoor unit address n (Max. 64) Group address : 0 = Single (Not group control) 1 = Header unit in group control 2 = F ollower unit in g roup control Header unit (= 1) : The representative of m ultiple indoor u[...]

– 68 – 10-2-2. A utomatic Address Example from Unset Ad dress (No miswiring) 1. Standard (One outdoor unit) 1) Single Only turning on sour ce power suppl y (A utomatic completion) 2. Group operation (Multiple outdoor units = Multiple indoor units with serial communication only , without twin) Only turning on sour ce power suppl y (A utomatic co[...]

– 69 – (Example of 2-lines cabling) (Real line: Cabling, Broken line: Refrigerant pipe) For the above example, perform setting by connecting singly the wired remote controller without remote controller inter-unit cable. Group address Individual : 0000 Header unit : 0001 Follower unit : 0002 In case of group control Outdoor Indoor A B A B 1 2 3 [...]

– 70 – 1 2 END Operation <Operation procedure> 2 1 S E T TIME TIMER S E T TE ST FIL TER L L RE S E T TEMP . CL FA N SA VE A A S WIN G/ FI X VENT M O D E O N / O F F U NI T LOUVER T 1 2 3 END <Operation procedure> 3 1 2 S E T TIME TIMER S E T TE ST FIL TER L L RE S E T TEMP . CL FA N SA VE A A S WIN G/ FI X VENT M O D E O N / O F F U[...]

– 71 – Concealed Duct High Static Pressure Owner’s Manual Concealed Duct High Static Pressure Owner’s Manual 11. O WNER’S MANU AL Original instruction ADOPTION OF NEW REFRIGERANT This Air Conditioner uses R410A an environmentally friendly refrigerant. This appliance is not intended for use b y person (including children) with reduced phys[...]

– 72 – Concealed Duct High Static Pressure Owner’s Manual Concealed Duct High Static Pressure Owner’s Manual n W arning Indications on the Air Conditioner Unit W arning indication W ARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing. W ARNING Moving parts. Do not operate unit with grille remov ed. [...]

– 73 – Concealed Duct High Static Pressure Owner’s Manual Concealed Duct High Static Pressure Owner’s Manual Relocation • When the air conditioner is to be relocated, do not relocate it yourself but contact a qualified installer or a qualified serv ice person. F ailure to relocate the air conditioner properly may result in electric shocks[...]

– 74 – Concealed Duct High Static Pressure Owner’s Manual Concealed Duct High Static Pressure Owner’s Manual Air discharge Connect a discharge duct. Remote controller Separate sold part Air intake Connect a suction duct. Drain pan Electrical control box The earth screw is provided in the electrical control box. Air intake (Side and rear) Fr[...]

– 75 – Concealed Duct High Static Pressure Owner’s Manual Concealed Duct High Static Pressure Owner’s Manual 8 6 4 3 2 5 7 10 12 1 9 11 11 UNIT No. display Displays the n umber of the indoor unit selected. Also displays error code of indoor and outdoor units. 12 Central control displa y Display ed when the air conditioner is used under the [...]

– 76 – Concealed Duct High Static Pressure Owner’s Manual Concealed Duct High Static Pressure Owner’s Manual 4 CORRECT USA GE • When you use the air conditioner for the first time or when you change the setting, f ollow the steps belo w . Settings are sav ed in memor y and are displa yed anytime the unit is turned on by pushing the button[...]

– 77 – Concealed Duct High Static Pressure Owner’s Manual Concealed Duct High Static Pressure Owner’s Manual 5 TIMER OPERA TION • T hree timer modes are a vailable: (Setting of up to 168 hours is enabled.) Off timer : The unit stops when the set time is reached. Repeat Off timer : The unit stops daily when the set time is reached. On time[...]

– 78 – Concealed Duct High Static Pressure Owner’s Manual Concealed Duct High Static Pressure Owner’s Manual 7 AD V ANCED SETTINGS n P ower sa ving mode 1 Push button for at least f our seconds when the air conditioner is not working. • , symbol, and numbers flash. 2 Push (left side of the button) to select an indoor unit to be set. • E[...]

– 79 – Concealed Duct High Static Pressure Owner’s Manual Concealed Duct High Static Pressure Owner’s Manual 1 2 9 MAINTENANCE W ARNING Cleaning the air filter and other parts of the air filter inv olves dangerous w ork in high places, so be sure to have a qualified installer or qualified service per son to do it. Do not attempt it b y your[...]

– 80 – Concealed Duct High Static Pressure Owner’s Manual Concealed Duct High Static Pressure Owner’s Manual 10 AIR CONDITIONER OPERA TIONS AND PERFORMANCE 3 minutes pr otection function 3-minutes protection function pre vents the air conditioner from starting for initial 3 minutes after the main power s witch/ circuit breaker is turned on [...]

– 81 – Concealed Duct High Static Pressure Owner’s Manual Concealed Duct High Static Pressure Owner’s Manual 12 TR OUBLESHOO TING CA UTION If any of the follo wing conditions occur , tur n off the main power supply s witch and immediately contact the dealer : • Switch operation does not wor k properly . • The main power fuse often blows[...]

– 82 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual 12. INST ALLA TION MANU AL Original instruction ADOPTION OF NEW REFRIGERANT This Air Conditioner uses R410A an environmentally friendly refrigerant. Contents 1 PRECA UTIONS FOR SAFETY ...........................................[...]

– 83 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual Definition of Protective Gear When the air conditioner is to be transported, installed, maintained, repaired or removed, wear protectiv e gloves and ‘saf ety’ work clothing. In addition to such normal protective gear , wear[...]

– 84 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual 1 PRECA UTIONS FOR SAFETY W ARNING General • Before star ting to install the air conditioner , read carefully through the Installation Manual, and follo w its instructions to install the air conditioner . • Only a qualified[...]

– 85 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual CA UTION New Refrigerant Air Conditioner Installation • THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT (R410A) WHICH DOES NOT DESTRO Y OZONE LA YER. • The characteristics of R410A refrigerant are; easy to absorb water [...]

– 86 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual 3 SELECTION OF INST ALLA TION PLA CE Upon appro val of the customer , install the air conditioner in a place that satisfies the f ollowing conditions. • Place where the unit can be installed hor izontally . • Place where a [...]

– 87 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual 4 INST ALLA TION W ARNING • Install the air conditioner cer tainly to sufficiently withstand the weight. • If the strength is insufficient, the unit may fall do wn resulting in human injur y . • Perf orm a specified insta[...]

– 88 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual n Diagrams f or making connecting flang es (Unit: mm) The connecting flange (Incl. the fixing screw) is not supplied to the indoor unit. When the connecting flange is necessary , produce them in locally . Drawing figure is as f[...]

– 89 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 3400 3200 3800 4200 4600 5000 5200 3360 3600 4000 4400 4800 5040 5 50 100 150 200 250 300 350 Standard air volume: 4200m³/h High static pressure tap (50Hz) Low static pressure tap (50Hz) Current o[...]

– 90 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual n Wire connection change of fan motor This duct is composed of 3 fan motors . T o change external static pressure by duct resistance, connect the 3 connectors of the or ange lead wires that are connected to the underside of the[...]

– 91 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual – 19 – – 20 – n Pipe material, size and insulator The follo wing materials for piping work and insulating process are procured locally . Pipe material Insulator Hard vinyl chloride pipe sock et for VP25 Hard vinyl chlor[...]

– 92 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual n Heat insulating process • After drain check, cov er ing the heat insulator f or drain connecting section, wrap the drain pipe with heat insulator (Locally procured) without clearance from the end of the drain pipe connectin[...]

– 93 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual Tightening connection CA UTION Do not apply e xcessive torque. Otherwise, the nut may crac k depending on the conditions. (Unit: N•m) u Tightening torque of flare pipe connections Pressure of R410A is higher than that of R22.[...]

– 94 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual 8 ELECTRICAL CONNECTION W ARNING 1. Using the specified wires, ensure to connect the wires, and fix wires securely so that the external tension to the wires do not affect the connecting part of the terminals. Incomplete connect[...]

– 95 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual n Remote Controller Wiring • Strip off approx. 9mm the wire to be connected. • Non polar ity , 2 core wire is used for wiring of the remote controller . (0.5mm² to 2.0mm² wires) Wiring dia gram Group control (Unit: mm) R [...]

– 96 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual Procedure 6 When settings hav e been completed, push b utton to determine the settings. When button is pushed, “SETTING” flashes and then the display content disappears and the air conditioner enters the normal stop mode. ([...]

– 97 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual n Group contr ol Gr oup contr ol f or system of m ultiple units One remote controller can control up to 8 indoor units as a group . t Group contr ol in single system Outdoor unit Outdoor unit Outdoor unit Outdoor unit Outdoor u[...]

– 98 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual Procedure 6 If there is other indoor unit to be changed, repeat procedure 2 to 5 to change the setup. When the abov e setup has finished, push to select the indoor UNIT No . before change of setup , specify CODE No . [12] , [13[...]

– 99 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual 3 1,2 10 TEST R UN n Before test run • Before turning on the power supply , carr y out the follo wing procedure. 1) Using 500V -megger, chec k that resistance of 1M Ω or more exists betw een the ter minal bloc k 1 to 3 and t[...]

– 100 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual Maintenance List 12 TR OUBLESHOO TING Par t Heat exchanger F an motor Filter Fa n Air inlet/outlet grilles Drain pan Ornamental panel, louvres Exterior Unit Indoor/outdoor Indoor/outdoor Indoor Indoor Indoor/outdoor Indoor Ind[...]

– 101 – Concealed Duct High Static Pressure Installation Manual Concealed Duct High Static Pressure Installation Manual n Error codes and parts to be checked « : The air conditioner automatically enters the auto-address setting mode. Wired remote controller display Indication E01 E02 E03 E04 E08 E09 E10 E18 E31 F01 F02 F04 F06 F07 F08 F10 F12 [...]

– 102 – F an assembly (1 f an) Appearance 1), 2) F an assembly (2 f ans) F an assembly F an assembly (1 f an) (1 f an) F an assembly F an assembly (2 f ans) (2 f ans) F an assembly (1 f an) F an assembly (2 f ans) Electric par ts box co ver (Ø4 screw: 2 positions) 13. DET A CHMENTS 13-1. Indoor Unit REQUIREMENT • At the ser vice replacing ti[...]

– 103 – Cord clamp Cord clamp Cord clamp Cord clamp F an motor lead wire F an motor lead wire Pull out it tow ard you Pull out it tow ard you Cord clamp Cord clamp F an motor lead wire Pull out it tow ard you Electric par ts box Screws Screws Screws Screws Screws Screws Screw Screw Screw Connector Connector F aston terminal 7) 8) 8) 9) 10) 11) [...]

– 104 – Pull out it tow ard you. Pull out it tow ard you. F an case F an case (M8 screw: 2 positions) (M8 screw: 2 positions) Motor base Motor base (M8 screw: 4 positions) (M8 screw: 4 positions) F an set screw F an set screw (M8 screw: 1 position) (M8 screw: 1 position) Bell mouth Bell mouth (Ø 4 screw: 8 positions) 4 screw: 8 positions) F an[...]

– 105 – No. 1 P ar t name Fa n assembly (Continued) W ork procedure <F an motor> 1) T ake off scre ws (Arrow mark indicating position) of the tightening band and then remov e the tightening band, the fixing brac ket and the f an motor . 2) Cut the b undling band (2 positions) that fix the protective tube (white) on the rela y connector of[...]

– 106 – 14. EXPLODED VIEWS AND P ARTS LIST 14-1. Indoor Unit Location P ar t No. Description No. 201 4312C023 Motor , F an 202 43122106 Case , F an 203 43120237 F an 204 43139154 Band, Motor , Left 205 43139155 Band, Motor , Right 206 431S8155 Owner’ s Manual 207 431S8156 Owner’ s Manual 208 43166011 Remote Controller , SX-A4EE 209 43166004[...]

– 107 – 218 215, 216, 217 219 218 213 214 Location P ar t No. Description No. 213 4314J446 Ev aporator Ass’y 214 4314Q091 Distr ib utor Ass’y 215 43047688 Nut, Flare , 1/2 IN 216 43149332 Sock et 217 43147195 Bonnet, 1/2 IN 218 43019904 Holder , Sensor 219 43147726 Strainer Model Name RA V -SM 2242DT -E 2802DT -E 2242DT -TR 2802DT -TR 1111 [...]

– 108 – Location P ar t No. Description No. 401 43155165 Capacitor , 12MF , 450V A C 402 43050425 Sensor Ass’y , Ser vice, TC 403 43050426 Sensor , Ser vice, T A 404 43154141 Rela y , L Y2F-L, A C230V 405 43158204 T ransf or mer , TT -13 (A C220–240V) 406 43160565 T er minal Bloc k, 3P , 20A, A C250V 407 43160575 T er minal Bloc k, 2P , 20A[...]

W ARNINGS ON REFRIGERANT LEAKA GE (2) When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas (opening without a door, or an opening 0.15% or larger than the respective floor spaces at the top or bottom of the door). (3) If an indoor unit is installed in each partitioned room and the refrigerant piping i[...]

TOSHIBA C ARRIER CORPORA TION 23-17, T A KANA W A 3 CHOME, MINA TOKU, TOK Y O , 108-8580, JAP AN Cop yr ight © 1999 to 2010 TOSHIBA CARRIER CORPORA TION, ALL Rights Reser v ed.[...]