Friedrich MW12C1H manual

2 0 1 1 SP LI T T YP E RO OM AIR CONDI TIONER W AL L MOUN TED T YP E Models Indoor Unit Outdoor Unit Service and Parts Manual MW09C1H MR09C1H MW12C1H MR12C1H[...]

1 . S a f e t y P r e c a u t i o n s .. .. .. .. .... ... .. .. .. .. .. .... ... .. .. .. .. .. .. .... ... ... .. .. .. .. .. .. .... ... .. .. .. .. .. .. .... ... .. .. .. .. .. ... . . . ... 2 . S p e c i f i c a t i o n s .. ... .. .. .. ... .. .. ... .. .. ... .. .. ... .. .. ... .. .. ... .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .[...]

Model and product code Model and product code M09CIH 115V ~ 60H W09CIH MR09CIH M12C H 115V ~ 60H W12CIH MR12CIH Voltage range Complete unit model Indoor unit model Outdoor unit model M M zM zM 3[...]

Outdoor Unit MR09CI H MR012CI H Remote control windo w YB1F AF Summary and f eature s Summary and feature s 4[...]

5 IMPORT ANT SAF ET Y INF ORMA TION T h e i n f o r m a t i o n c o n t a i n e d i n t h i s m a n u a l i s i n t e n d e d f o r u s e b y a q u a l i f i e d s e r v i c e t e c h n i c i a n w h o i s f a m i l i a r w i t h t h e s a f e t y p r o c e d u r e s r e q u i r e d f o r i n s t a l l a t i o n a n d r e p a i r, a n d w h o i s e[...]

• Do not spray or pour water on the retur n air grille, disc harge air grill e, e vapo rator coil, c ontrol panel, and sleeve on the room si de of the air con ditioning unit while c leaning. • Electr ical c ompon ent malfuncti on caused by water could re sult in electr ic shoc k or other elec tric ally unsafe con ditions when t he power is rest[...]

P ROP ERT Y DAMA GE HA Z ARDS FIRE DAMA GE HA Z A RDS : • Read the Installati on/Oper ation Manual for t he air con ditioning unit pr ior to operatin g. • Use air co nditioner on a sin gle dedicated c ircuit within t he speci fi ed amperage rating. • Connec t to a proper ly grounded out let only . • Do not remove ground prong of plug. • [...]

8 Ra ti ng con di ti on s a re : Coo lin g: Indo or air tem per atu re 80¡F D .B. / 6 7¡ F W.B. Outdoor air t emperature 9 5.0¡F D.B. / 75¡ F W.B. Hea tin g: Indo or air tem per atu re 70¡F D. B./ 60 ¡ F W .B. Outdoor air temper ature 47¡ F D .B. / 43¡F W .B . MW 09C IH COOLING 115V~ 0 7 z H h g i H 1 4 z H d r a d n a t S 5 1 z H w o L Hig[...]

Ra tin g Re ma rks co nd iti on s a re: Coo lin g: I ndo or a ir temp era ture 26 .7¡ C D. B. / 19 .4¡C W. B . Outdoor air temperature 35. 0¡C D .B. / 23.9¡C W . B . Hea tin g: I ndo or a ir temp era ture 21 .1¡ C D. B./ 15.6 ¡ C W.B . Outdoor air temperature 8. 33¡C D .B. / 6. 11¡ C W .B . MW 12 CI H 208-230V~ 0 7 z H h g i H 1 4 z H d r a[...]

Th e a bov e dat a is su bje ct to c han ge wi tho ut no tic e. Pl eas e ref er to t he na mep lat e of th e uni t. M R 0 9 C 1 H SA NY O C-6RZ 11 0H1A T w in rot o ry 3 3 A ) A ( . A . R . L 9 5 . 4 A ) A ( A L R Power Input (W ) W 800 I nt11l-3 979 E l ect ro nic Ex pa ns i on V alv e t h rot t l ing T ra ns duce r s tart i ng A l um in um fin - [...]

Th e a bov e dat a is su bje ct to c han ge wi tho ut no tic e. Pl eas e ref er to t he na mep lat e of th e uni t. M R 1 2 C 1 H SA NY O C-6RZ 11 0H1A T w in rot o ry 3 3 A ) A ( . A . R . L 9 5 . 4 A ) A ( A L R Power Input (W ) W 800 I nt11l-3 979 E l ect ro nic Ex pa ns i on V alv e t h rot t l ing T ra ns duce r s tart i ng A l um in um fin - [...]

Appending date Standa rd press ure Indoor Ou tdoo r P (MPa ) EVP ( °F)C OD (° F) 09 K 0. 8 to 1.1 Turb o Rate d 12 K d e t a R 0 . 1 o t 8 . 0 (r ps) 80.06/66.92 66.98/60.08 95 /– (°F) Model name Indoor f an mode COOLING: Standa rd pressu re Indoor Ou tdoo r P (MPa ) 09 K 2.8 to 3.2 12 K 2.8 to 3.2 Ou tdoo r fan mode (r ps) 46.99/42.99 (°F) M[...]

Expanded c apacity data t ables for both c ooling and heatin g Capacity Variation Ratio According to Pipe Length g n i l o o C 90 80 • Conditions Indoor: DB80.06˚F/WB66.92˚F Indoor air flow : TURBO Pipe length : 7.6m 110 100 Outdoor temp. (˚F) Capacity Ratio (%) 70 30 25 20 05 110 105 100 95 90 85 80 Maximum pipe length 20m Standard pipe lengt[...]

O peration C haracteristic Curve g n i l o o C 01 02 03 04 05 06 07 09 0 80 25.0 22.5 20.0 17.5 15.0 12.5 10.0 7.5 5.0 2.5 0 Compressor speed (r ps) Current (A) Current (A) • Conditions Indoor air flow : TURBO Pipe lengt: 7.6m 115V g n i l o o C 01 02 03 04 05 06 07 09 0 80 25.0 22.5 20.0 17.5 15.0 12.5 10.0 7.5 5.0 2.5 0 Compressor speed (r ps) [...]

40 30 20 Indoor side noise when blowing Outdoor side noise Indoor fan motor rotating speed Low MiddleH igh Compressor frequency/Hz 35 25 Turbo 40 30 20 Indoor side noise when blowing Outdoor side noise Indoor fan motor rotating speed Low MiddleH igh Compressor frequency/Hz 35 25 Turbo Noise/dB(A) Noise/dB(A) Noise/dB(A) Noise/dB(A) 80 100 60 40 20 [...]

3. Construction View s 3.1 Indoor Unit 3.2 Outdoor Unit Constrction view s W H D W2 D3 W3 D4 W4 D2 H2 9 6 1 2 4 5 5 3 1 Unit:m m Additional Dimensions Cabinet Cabinet W H D W2 D4 H2 D2 D3 W4 W3 33 1/4 10 7/8 7 1/8 30 3/4 10 7/8 23 1/2 12 1/2 1 1 21 1/2 33 3/8 System Model Number Outdoor Unit (mm) Indoor Unit (mm) 5 1/4 6 3/4 21 16 09K 12K[...]

4. Refrigerant System Diagram Cooling Models Refrigerant System D iagram T I N U R O O D T U O T I N U R O O D N I HEAT EXCHANGE (EVAPORATOR) HEAT EXCHANGE (CONDENSER) COMPRESSOR GAS SIDE 3-WAY VALVE LIQUID SIDE 2-WAY VALVE COOLING Accumlator Discharge Suction Muffler r e n i a r t S r e n i a r t S Electric Expansion V alve 17[...]

5. S ch em at ic Di ag ra m 5. 1 El ect ri cal Da te 5. 2 E lec tr ica l w ir ing Outdoor Unit Th ese cir cu it d iag ram s ar e su bj ect to c han ge w it hou t no ti ce, ple as e ref er t o t he on e su pp lie d wi th t he u ni t. Sy m bo l C olo r sy m bol Sy m bo l C olo r sy m bol W H WH IT E B N BR OW N Y E Y ELL OW B U BL UE R D R ED B K BL [...]

Outdoor Unit Sc he mat ic D ia gr am COMP M RT5 0 0 RT4 0 RT3 OUTROOM EXHAUST OUTTUBE OF AN E OVERHEA T R E C S U V W CT1,2 AP1 W 3 YEGN W10 RD COMP W8 YEGN F AN MOTOR W5 BU W 6 YE W 7 BK AC-N1 AC-L1 COMU EKV CN1 TEM.SENSOR OUTROOM EXHUAST TEM.SENSOR TEM.SENSOR TUBE W 2 BU W1 BN W4 BK G G I N D O O R U N I T W 13 YEGN POWER N L L N N(1) 3 2 L2 L2 L[...]

5. 3 P rin te d Ci rc uit Bo ard TOP VIEW BOTTOM VIEW Sc he mat ic Di agr am 1 2 3 4 5 6 7 8 9 10 1 1 12 1 Interface of neutral wire 2 T ransformer input 3 Interface of PG motor 4 Auto button 5 Feedback from PG motor 6 Up&Down swing 7 Jumper cap 8 Indoor temperature sensor 9 Pipe temperature sensor 10 DISP-1, DISP-2 display interface 1 1 Protec[...]

TOP VIEW BOTTOM VIEW Sc he mat ic Dia gr am Terminal of jump wire, live wire and neutral wire, AC-N4 joint AC-N3, AC-L2 joint AC-L3 External connect high- capacity positive terminal Protective tube External connect high- capacity negative terminal Terminal of DC fan Live wire terminal of 4-way valve Terminal of jumper wire, neutral wire Neutral wir[...]

6. Func tion and Contro l 6. 1 R em ote C on tro l Op era ti ons Function and Control 2 8 9 10 3 4 11 12 7 6 13 14 5 1 Press it to start or stop operation ON/OFF MODE Press it to select operation mode (AUTO/COOL/DRY/FAN/HEAT) + : Press it to increase temperature setting - : P r e s s i t t o d e c r e a s e t e m p e r a t u r e setting FAN P re s [...]

Function and Con trol Pr es s th is bu tton to st art th e un it ope rat io n .Pr ess t his bu tto n a ga in to st op th e u nit ope rat io n. ON/OFF : MODE : Each time you press this button,a mode is selected in a sequence that goes from AUTO, COOL,DRY, FAN,and HEAT * , as th e fol low ing : A U T O C O O L D R Y F A N H E AT * * N ot e : O nly fo[...]

Function and Control Pressing X-FAN button in COOL or DRY mode,the icon is displayed and the indoor fan will continue operation for 10 minutes in order to dry the indoor unit even though you X-FAN: have turned off the unit. After energization, X-FAN OFF is defaulted. X-FAN is not available in AUTO,FAN or HEAT mode. 10 11 TEMP: 9 8 TIMER ON : 7 Pres[...]

Function and Control Press "+ " and " - " buttons simultaneously to lock or unlock the keypad. If the remote controller is locked, is displayed. In this case, pressing any button, blinks three times. At unit OFF, press " MODE " and " - " buttons simultaneously to switch between and . ć ̧ About switch betwee[...]

Function and Control ƾ ● ● ● ● ● Sk etc h map f or re pla ci ng ba tte ri es Replacement of B atteries When the wireless remote controller is lost o r damaged, please use the manual switch on the main unit. Operation will be in AUTO mode and the temperature setting or fan speed can not be changed . The manual switch can be operated as fo[...]

27 6. 2 De sc rip ti on o f Ea ch C on tro l O per at io n Function and Cont rol 1. T emperature Parameters Indoor preset temperature (T preset ) Indoor ambient temperature (T amb. 2. Basic Functions Once energized, in no case should the compressor be restarte d wi thin less than 3 minutes. In the situation that memory function is available, for th[...]

28 ≤108°F, the indoor fan will r un at low speed , and after one minut e, the i ndoor fan : if T tube ≤104°F and the indoor fan i s at stop state, the indoor fan w ill begin to run at low b. A°F≤T c. B°F≤T <C°F, T <C°F, T <B°F, T ≥A°F, T +36°F<T +41°F, the unit will maintain its +41°F, the compressor will stop, the [...]

29 –(28°F Function and Contro l a. Under AU T O mode, if T amb . ≥ T preset is detected, the unit will select to run under cooling mode, in which ca se implicit preset temperature is 77° F ; if T amb . ≤ T preset 28°F , the compressor will stop, the outdoor fan will stop with a time lag of 1 minute, and the indoor fan will run at preset sp[...]

30 Designation of sensors Faults Indoor ambient temperature The sensor is detected to be open-circuited or short-circuited for successive 30 seconds Indoor tube temperature The sensor is detected to be open-circuited or short-circuited for successive 30 seconds Outdoor ambient temperature The sensor is detected to be open-circuited or short-circuit[...]

31 (10) Display Operation pattern and mode pattern display All the display patterns will display for a time when the unit is power d e on, the operation indication icon will display in red under standby status. When the machine i s start by remote controller , the indication icon will light and display the current operation mode (the mode light inc[...]

Function and Control De te ct ma lfu nc ti on s o f te mp er at ur e s ens or an y t im e. In d e fr os t in g p er io d, t h e te m pe ra t ur e s en so r ma l fu n ct io n w il l n ot b e d et ec t ed . 5 mi n a ft er f i ni sh in g d ef ro s ti ng , t he s ys te m b eg in s t o de tec t th e tem pe rat ure s en so r ma lf un ct io n. In ot he r [...]

6. 7 Di sc ha rg e P i pe C on tr o l Ou tli ne Th e di s ch ar g e p i pe t em pe r at ur e i s us e d a s th e c om pr es s or ’s i nt e rn al t em p er at u re . If t he d i sc ha rg e pi p e te m pe ra t ur e ri s es a bo ve a ce rta in le ve l, th e op era tin g fr equ enc y up per l imi t is s et t o kee p thi s te mpe ra tur e fro m go ing[...]

Du rin g c ool in g op era ti on , th e si gn als bei ng s en t fr om the ind oo r un it a ll ow t he o pe rat in g fr eq uen cy l im it ati on a nd the n pr ev ent fr ee zi ng o f t he i nd oo r he at ex cha ng er . ( The si gn al f ro m t he i nd oo r un it mu st b e d iv ide d i nt o th e z on es a s t he fol lo wi ng s.) Det ail Conditions for [...]

6. 12 F an Co nt ro l Outline Fan con trol is car ried out ac cording to the follo wing prior ity. 1. Fa n ON co ntr ol fo r ele ctr ic co mpo nen t coo lin g fan 2. F an c on tro l wh en def ro sti ng 3. Fa n O FF del ay whe n s top ped 4. ON /OF F con tro l i n coo lin g oper ati on 5. T ap co nt ro l wh en dro op in g fu nc ti on i s w or kin g [...]

7. Ins talla tion Manual Instal lation Manu al Select a positi on where the cond ensing w ater can be easi ly draine d out, a nd the pl ace is eas ily conne cted for outdoor unit . Can se lect the place wh ere is st rong eno ugh to wi thstand the fu l l weight and vibr ation o f the un it. And w ill not increase the nois e. Make sure that the indoo[...]

Installation Manual Make sure that the Live wire or Zero line as well as the ground wire in the family power socket can not be wrong connected, there should be reliable and no short circuit in the diagram. wrong connection may cause fire. 4. The min. distance from the unit and combustive surface is 5ft. 1. The power supply should be used the rated [...]

38 Instal lation Manu al Space to the wall Space to the ceiling Space to the wall Space to the wall Air outlet side Space to the floor Space to the obstruction Air outlet side Space to the wall Air inlet side The dimensions of the space necessary for correct installation of the appliance including the minimum permissible distances to adjacent struc[...]

Installation Manua l Installing Mounting Plate 1.Make the mounting plate completely level . As the water tray's oulet of the indoor unit is two-way type, the indoor unit during installation should slightly slant to watert tray's outlet for smooth drainage of condensing water. 2.Fix the mounting plate on the wall with screws.(Where is pre-[...]

Instal lation Manua l Installing Indoor Unit The piping can be output from right, right rear , left or left rear . When routing the piping and wiring from the left or right side of indoor unit, cut off the tailings from the chassis as necessary(As shown in Fig.7) Cut off the tailings 1 when routing the wiring only; Cut off the tailings 1 and tailin[...]

Ø Condensate drainage of outdoor unit (not for cooling only) The condensate and defrosting water formd during heating in the outdoor unit can be properly discharged by drainage pipe . Installation method:set the drain connection in 25 hole of the chassis has been installed and then connect drainage pipe with drain nozzle,so that condensate and def[...]

Do not switch on power before installation is finished completely. Electric wiring must be connected correctly and securely. Cut-off valves of the connection pipes should be opened. Switch on power and press "ON/OFF" button on the wireless remote controller to start the operation. Check after Installation Items to be checked Possible malf[...]

Fig. a 1 . 2. (as shown in Fig.b). 3. Mount the air filter properl y along the arrow d i r e c t i o n i n F i g . c , a n d t h e n c l o s e t h e p a n e l c o v e r . Cleaning and Maintenance Service Life ƽ filter Air filter (as shown Fig.a) Fig. b Fig. c Lift up the front panel from the two ends of it, as the arrow direction shown. Then pull [...]

Trou blesh ooti ng 9. T rou blesho oting 9. 1 P rec au ti ons be fo re Per fo rm ing In sp ect io n o r R epa ir Be cauti ous d uring ins tallat ion and mainte nance . Do ope ration fol lowing the reg ulati ons t o av oid elect ric s hock and casua lty or eve n dea th du e to d rop from high altitude. * S tat ic m ai nte nan ce is t he m ain te nan[...]

The bre aker tr ips at o nce whe n it i s se t to "O N". Mea sure ins ula tion res ist ance to grou nd to s ee if the re i s an y le akag e. T rip o f br eake r or blo w o f fu se The bre aker tr ips in f ew min utes whe n it is set to "ON" Che ck p owe r su pply cir cui t. Che ck i f t he p lug is p rop erly plu gged in and m a[...]

46 Improper set of temperature Adjust set temperature If cooling (heating) load is proper Check the forecasted load of cooling (heating) The refrigerant has leakage or is insufficient heck and fill the leakage, then vacuumize it and supplement the re- frigerant as required Leakage between the high pres- sure and the low pressure in- side the compre[...]

The indoor fan motor is burne d or bre- aks or has the heat protector malfun- ction. Replace the fan motor or the defective part. The built-in heat protector of th e motor breaks frequently because the motor is abnormal. Replace the fan motor Wrong connection Make the correction connection based on the circuit drawing. The fan does not run when it [...]

Wa ter lea kag e A b n o r m a l s o u n d a nd s h ak e Dr ai na ge pi pe bl oc ke d o r b ro ke n Ch a ng e d ra i na ge pi p e Wrap of refrige rant pipe joint is not c lose enough. Re- wra p and m ake i t tig ht. Fan o f ind oor u nit c ont act s othe r par ts. Adj ust f an lo cat ion . Fo rei gn o bj ect in i nd oor uni t T ake o ut the f ore i[...]

IPM protection Overcurrent protection Overload protection Exhaust protection Overlod protection of compresoor r Outdoor condenser temp. sensor mal. Outdoor exhaust temp. sensor mal. Starting at temp. does not reach Communication is abnormal Indicator display of outdoor unit If malfunction occurs,corresponding code will display and the unit will res[...]

Trou ble shoo ting YELLOW -LED4 GREEN-LED2 RED-LED3 Name of r unning status Y ellow light Re d li ght Gree n li ght Indoor unit display 1 Compressor start Blink once 2 De frosti ng Blink twi ce H1 3 Anti-f ree zing protection Blink three t im es E2 4 IPM protection B link four ti m e s H5 5 Overcurren t pr otection Blink f ive tim es E5 6 Overload [...]

2. Low voltage over current protection Possibl e re as on : Sudden drop of supply voltage. 3. Communication malfunction Processing method:Ch ec k if com m unica ti on signal cable is connected reliably. 4. Sensor ope no rs hort circuit Processing method: Check whether sensor is normal, connected with the corresponding position on the co nt roller a[...]

9.4 How to Check simply the main part Troubleshooting N Y N Y N Y N Y N Y Switch on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor (test3) Fault with the voltage testing circuit on contr- ol panel AP1 Replace the control panel AP1 Measure the AC voltage between terminal L and N o n wirin[...]

53 Trou bles hoot ing Mainly detect: Whet her t he c onn ect io n bet wee n co ntr ol p ane l AP1 a nd co mp res sor C OM P i s sec ur e? Whet her loo se? Whe th er th e co nne cti on is i n c orr ec t or de r? Wheth er th e v olt age i npu t of the m ach ine is w ith in no rmal r ang e? (Us e AC v olt met er to me asu re the v olt age be twe en te[...]

Trou bles hoot ing Energize and switch on IPM protection occurs after the machine has run for a p eriod of time? Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT) If the voltage between terminal L and N on wiring board XT is within 210VAC~250VAC? Check the supply voltage and restore it to 210V AC~250VAC V olta[...]

55[...]

Trou bles hoot ing AP1 End Y N Y N Y N Overheat and high temperature protection Is outdoor ambient temperature higher than 53? 20 minutes after the complete unit is powered off. Is heat dissipation of the indoor unit and outdoor unit abnormal? Normal protection, please operate it after the outdoor ambient temperature is normalized. Improve the heat[...]

Trou bles hoot ing Y N Y N N Y Y N Power on the unit Is stop time of the compressor longer than 3 minutes? Restart it up after 3 minutes Does startup fail? Are the wires for the compressor connected correctly? Is connection sequence right? Connect the wires as per the connection diagram Replace the control panel AP1 If the fault is eliminated? Repl[...]

Out of step occurs once the unit is powered on. Is stop time of the compressor longer than 3 minutes? Are the wires for the compressor connected correctly? Is connection sequence right? Is the connection made in clockwise direction? Connect the wires correctly Replace the control panel AP1 If the fault is eliminated? Replace the compressor End Out [...]

20 minutes after the complete unit is powered off Is the terminal F A for t he electronic expansion valve connected correctly? Connect the wires correctly Resistances between the first f our pins close to the terminal hole and the fifth pin are almost the same, less than 100 ohm. Replace the electronic expansion valve If the fault is eliminated? If[...]

Trou ble shoo ting Y Y N N N N N N Y Y Y Start Check wiring of the reactor (L) of the outdoor unit and the PFC capacitor Whether there is any damage or short-circuit? Replace it as per the wiring diagram and reconnect the wires If the fault is eliminated? Remove the PFC capacitor and measure resistance between the two terminals. Is the resistance a[...]

Y N Y N N Y N N Y N Y N Y Y Start Did the equipment operate normally before the failure occurs? The AP1 voltage detection circuit is at fault Check wiring inside of the indoor and outdoor units Are wires broken? Check the communication circuit of the outdoor unit If the fault is eliminated? The communication circuit is abnormal Replace the main boa[...]

Y Y Y Y Y N N N N Start Measure voltage at the T est 10 position as shown in the diagram with a voltmeter V alue jumping Measure voltage at the T est 15 position as shown in the diagram with a voltmeter V alue jumping Measure voltage at the T est 1 1 position as shown in the diagram with a voltmeter V alue jumping Measure voltage at the T est 12 po[...]

Troubleshooting (9) Flow chart for outdoor communitcation circuit detecting: 7 HVWWKHYROWDJHEHWZHHQ1SRLQWRIZLULQJERDUGDQGFRPPXQLFDWLRQFDEOHZLWKXQLYHUVDOPHWHU 7KHYROWDJHVKDOOEH YDULDEOH2WKHUZLVHLWPLJKWEHPDOIXQFWLRQRIPDLQERDUGRILQGRRUXQLW[...]

Troubleshooting Guide Temp . Resistan ce Temp. Temp. Resistance Temp. Resistance Resistance Appendix 1: form for indoor/outdoor unit's ambient sensor numerical value of resistance Trou ble shoo ting -2 0 1 3 5 7 9 10 12 14 16 18 19 21 23 25 27 28 30 32 34 36 37 39 41 43 45 46 48 50 52 54 55 57 59 61 63 64 66 68 70 72 73 75 77 79 81 82 84 86 88[...]

T rou b leshooting Guide Temp. Resistance Temp. Temp. Temp. Resistance Resistance Resistance Appendix 2: form for indoor/outdoor unit's tube temperature sensor numerical value of resistance Trou ble shoo ting -2 0 1 3 5 7 9 10 12 14 16 18 19 21 23 25 27 28 30 32 34 36 37 39 41 43 45 46 48 50 52 54 55 57 59 61 63 64 66 68 70 72 73 75 77 79 81 8[...]

T rou bleshooting Guide Temp. Resistance Temp. Temp. Temp. Resistance Resistance Resistance Appendix 3: form for indoor/outdoor unit's air exhaust temperature sensor numerical value of resistance Trou ble shoo ting -2 0 1 3 5 7 9 10 12 14 16 18 19 21 23 25 27 28 30 32 34 36 37 39 41 43 45 46 48 50 52 54 55 57 59 61 63 64 66 68 70 72 73 75 77 7[...]

9. 5 2 -w ay , 3 -w ay V a lv e Ap pe ar an ce 2-way Valve (Liquid Side) 3-way Valve (Gas Side) Shaft position Shaft position Service port d e s o l C d e s o l C d e s o l C d e s o l C (with valve cap) (with valve cap) (with cap) n e p O d e s o l C (clockwise) d e s o l C n e p O n e p O (with valve cap) (with valve cap) (with cap) n e p O n e p[...]

Liquid side Outdoor unit 3-way valve Gas side Indoor unit 2-way valve Clsed Clsed Lo Vacuum pump CLOSE OPEN * P roce dure (1)Connect the charge hose from the manif old v alve to th e ser - vice port of the gas side packed valve. (2)Connect the charge hose to the port of the vacuum pump. (3) Open fully the low pressure side handle of the gauge mani-[...]

Lo Closed Purge the air Outdoor unit Indoor unit Liquid side Gas side CLOSE Open 2-Way valve 3-Way valve CLOSE • Pro ced ure (1) Con firm tha t bo th t he 2 -way and 3-w ay v alve s ar e se t to the open position. – Remove the valve stem caps and confirm that the valve ste ms ar e i n th e r ai se d p osi ti on . – Be sure to use a hexagonal [...]

Lo Closed OPEN Closed Gas cylinder R410 A Outdoor unit Indoor unit Liquid side Gas side CLOSE 3-Way valve 3-Way valve • Pro ced ure (1) Co nfir m t hat bot h t he liqu id side va lve and th e ga s s ide v alve are set to the closed position. (2) Conn ect the cha rge set and a gas cylind er to the serv ice port of the Gas side valve. – Leav e t [...]

Trou ble shoo ting Balance Refrigerant of the 3-way V alve (Gas leakage) • Pr ocedure (1) Confirm that both the 2-way and 3-way valves are set to the back seat. (2) Connect the charge set to the 3-way valve’s port. – Leave the valve on the charge set closed. – Connect the charge hose to the service port. (3) Open the valve (Lo side) on the [...]

Trou ble shoo ting Ev acuation (All amount of refrigerant leaked) • Procedure (1) Connect the vacuum pump to the center hose of charge set center hose (2) Evacuation for approximately one hour. – Confirm that the gauge needle has moved toward -76 cmHg (vacuum of 4 mmHg or less). (3) Close the valve (Lo side) on the charge set, turn off the vacu[...]

Trou ble shoo ting Gas Charging (After Evacuation) • Procedure (1) Connect the charge hose to the charging cylinder. – Connect the charge hose which you dis-con- nected from the vacuum pump to the valve at the bottom of the cylinder. – If you are using a gas cylinder, also use a scale and reverse the cylinder so that the sys- tem can be charg[...]

3. Remov e el ecti rc b ox c over Uns crew th e s crew fi xing th e e lect ric bo x c over to rem ove it. 10 . Re mo va l Pr oc ed ur e 10 .1 R emo val P roc ed ure o f In doo r Un it W ar ning Be s ure to wait 10 min utes or mor e afte r tur ning off all power supplies before disassembl ing wor k. Re mov al P ro ced ur e 1. R emo ve fr ont p ane l[...]

4. R emo ve fr on t cas e Un scr ew t he 6 tap pi ng s cre ws f ix ng t he f ron t pa ne l an d t urn the fr ont case ba ckwa rd to r emo ve i t. Re mov al P ro ced ur e 5. Rem ove elec tri c bo x Un scr ew th e 2 s cre ws fi xin g the e lec tri c box Pu ll o ut th e wi ri ng t erm in al of mot or a nd t hen un- scr ew th e 3 s cre ws fix ing e lec[...]

Re mov al P ro ced ur e 7. R em ov e mo tor and cr oss flo w fa n Un s cr e w t he s cr e ws f i xi n g t he m ot o r p re s s p la te of mot or and th en t he scr ew s co nn ec tin g t he m o- t o r a n d c r o s s f l o w f a n t o s e p a r a t e a n d r e m o v e th em . s cr e w s s cr e w s cr e w s 76[...]

Rem ov al P roc edu re top co ver Ca b le C ro s s P la te s u b- as s y c ab i ne t s c r e w s fr ont pa nel s c r e w s s c r e w s 1. Re mo ve to p c ov er an d t he Ca bl e C ro ss Pl at e s ub - a ss y U n s c re w t h e s cr e w o n t h e ha n d l e a nd p u l l t he Cab le C ros s Pl ate s ub- ass y fo rci bly d own war ds t o re - mo ve it[...]

Re mov al P ro ced ur e 4. Remov e el ectr ic b ox c over Un scr ew th e 2 scr ews f ix ing t he el ect iri c box . Pu ll the el ect ri c bo x up wa rds and unp lu g th e pl ug- in lin e to r emov e t he e lect ric box . 5. Rem ove axia l f low fan Unsc rew t he n ut an d rem ove the w asher fixi ng th e axi al flow fan an d t hen pull it ou t. nu [...]

Re mov al P ro ced ur e 7. Rem ove e lec tro nic ex pan nsi on va lve Un so ld er th e w el d sp ot s o f el et ro ni c e xp an si on val ve co nne cti ng wi th ot her pi pel ine s to re mov e it. 8. Remo ve gas val ve and liq uid val ve U n s c r ew t h e 2 s c r e w s f i x i n g t h e g a s v a l v e a n d un so ld er th e w el d s po ts of ga s[...]

13 14 15 16 17 18 19 20 21 22 23 24 1 1 25 26 27 28 30 31 32 33 34 29 35 36 37 38 40 39 41 1 2 3 5 4 6 8 9 10 12 7 MW09C1H / MW12C1H Exploded Diagram SPLIT TYPE ROOM AIR CONDITIONER - W ALL MOUNTED SYSTEM COMPONENTS 80[...]

NO. FPN Part Description 1 69700100 Filter Sub-Assy 2 69700101 Front Case Sub-Assy 3 69700102 Front Case 4 69700103 Evaporator Assy 5 69700104 Evaporator Support 6 69700105 Guide Louver 7 69700106 Axile Bush (guide louve r) 8 69700107 Rear Grill 9 69700108 Helicoid tongue 10 69700109 Air Louver 2 11 69700110 Air Louver 1 12 69700111 Left Axile Bush[...]

NO. FPN Part Description 1 69700100 Filter Sub-Assy 2 69700141 Fr ont Case Sub-Assy 3 69700142 Fr ont Case 4 69700103 Evaporator Assy 5 69700104 Evaporator Support 6 69700105 G uide Louv er 7 69700106 Axile Bush (guide louver) 9 69700108 Helicoid tongue 10 69700109 Air Louver 2 11 69700110 Air Louver 1 12 69700111 Left Axile Bush 13 69700112 Bearin[...]

27 26 24 22 23 18 17 16 15 14 13 12 1 1 10 6 5 7 9 25 8 19 20 21 4 3 2 1 31 29 28 30 MR09C1H Exploded Diagram SPLIT TYPE ROOM AIR CONDITIONER - W ALL MOUNTED SYSTEM COMPONENTS 83[...]

NO. FPN Part Descr iption 1 69700000 Mesh Enclosure 2 69700001 Cabinet 3 69700002 Axial-flow Fan 4 69700003 Motor FW 30G -ZL 5 69700004 Reactor Support Assy 6 69700005 Choke Plug 7 69700006 Compres sor Gask et 8 69700007 Compres sor C-6RZ110H1A 9 69700008 Electric Expansion Valve Sub -Assy 10 69700009 Cut-off Valve (1/4) 11 69700010 Cut-off Valve ([...]

17 18 27 19 20 21 26 23 22 16 12 14 1 1 9 8 10 13 15 25 24 2 1 3 5 4 6 7 MR12C1H Exploded V iew SPLIT TYPE ROOM AIR CONDITIONER - W ALL MOUNTED SYSTEM COMPONENTS 85[...]

NO. FPN Part Descr iption 1 69700000 Mesh Enclosure 2 69700031 Front Panel 3 69700002 Axial-flow Fan 4 69700003 Motor FW 30G-ZL 5 69700017 Tube Sensor (20K black ) 6 69700016 Tem perature Sensor for Disc harge Gas 7 69700021 Sensor 8 69700032 Motor suport spot welding sub-assy 9 69700033 Condenser Assy 10 69700019 Inhalation Tube 11 69700025 Top Co[...]

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FRIEDRICH AIR CONDITIONING CO. 10001 Reunion Place, Ste. 500, San Antonio, TX 78216 (210) 546-0500 877-599-5665 x 261 F AX (210) 546-0630 Email: tac@friedrich.com www .friedrich.com Printed in the U.S.A.[...]