Sanyo Mini ECO-i 85464359981002 manual

X A U D T K 85464359981002 ©SANY O 2006 SANY O Electric Co ., Ltd. Gunma, Japan – Mini ECO-i System Air Conditioner – INST ALLA TION INSTR UCTIONS  R410A Models Indoor Units Outdoor Units * Refrigerant R410A is used in the outdoor units. Optional Controller s Timer Wired Remote Controller RCS-TM80BG Wireless Remote Controller (For U , D T y[...]

2 IMPOR T ANT! Please Read Bef ore Star ting This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an impor- tant par t of your job to install or service the system so it oper- ates saf ely and efficiently . For safe installation and tr ouble-free operation, y ou must:  Carefully read[...]

3 2. The standards for minimum room v olume are as f ol- lows . (1) No partition (shaded por tion) (2) When there is an eff ective opening with the adjacent room f or 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 uni[...]

New tool? 4 1-2. Pre vent impurities including water , dust and oxide from entering the tubing. Impurities can cause R410A refrigerant deterioration and compressor defects . Due to the f eatures of the refrigerant and refrigerating machine oil, the pre vention of w ater and other impurities becomes more impor tant than ev er . 2. Be sure to recharg[...]

5 Valve Liquid 3-2. Use R410A e xclusive cylinder only . Single-outlet valve (with siphon tube) Liquid refrigerant should be recharged with the cylinder standing on end as shown. New refrigerant R410A cannot be used f or earlier models 1. Compressor specifications are different. If recharging a R22 or R407C compressor with R410A, durability will si[...]

3-11. Checking the Dr ainage 3-12. Electrical P ow er Wiring 3-13. How to Install the Ceiling P anel  Concealed Duct T ype (U T ype) 3-14. Required Minimum Space f or Installation and Ser vice 3-15. Suspending the Indoor Unit 3-16. Installing the Drain Piping 3-17. Checking the Dr ainage 3-18. Increasing the F an Speed  Concealed Duct High-St[...]

7 6. HO W T O PROCESS TUBING . . . . . . . . . . . . 61 6-1. Connecting the Refrigerant T ubing 6-2. Connecting T ubing Between Indoor and Outdoor Units 6-3. Insulating the Refrigerant T ubing 6-4. T aping the T ubes 6-5. Finishing the Installation 7. AIR PURGING . . . . . . . . . . . . . . . . . . . . . . . . . 65  Air Purging with a V acuum Pu[...]

8 1. GENERAL This booklet briefly outlines where and how to install the air conditioning system. Please read ov er the entire set of instructions for the outdoor unit and mak e sure all accessor y par ts listed are with the system bef ore beginning. 1-1. T ools Required for Installation (not supplied) 1. Standard scre wdriver 2. Phillips head scre [...]

9 T able 1-2 (4-W ay Air Discharge Semi-Concealed) T able 1-3 (1-W ay Air Discharge Semi-Concealed) T able 1-4 (Concealed Duct)  Use 3/8" f or suspending bolts.  Field supply f or suspending bolts and nuts. Part Name Fi g ure Q’ty Remark s F u ll- s cale i ns tallatio n dia g ram 1 Drai n ho s e 1 Ho s e ba n d 1 Drai n i nsu lator 1 1[...]

10 T able 1-10 Indoor Unit T ubing Connection ( 1 , 2 ... n–1 ) ø5/ 8 " (ø15. 88 ) ø1/2" (ø12.7) ø1/4" (ø6. 3 5) ø 3 / 8 " (ø9.52) 7 9 12 1 83 6 24 4 8 Indoor unit ty p e Ga s t u bi ng Liq u id t u bi ng U n it: i n . (mm) 24,200 (2.5 hp) ø5/ 8 " (ø15. 88 ) ø1/2" (ø12.7) ø 3 /4" (ø19.05) ø 3 / 8 [...]

11 1-7. Additional Refrigerant Charge Additional refrigerant charge amount is calculated from the liquid tubing total length as follo ws. T able 1-13 Amount of Refrigerant Charge P er Meter , According to Liquid T ubing Siz e Liquid tubing size Amount of refrigerant (in. (mm)) charge (oz/ft.) ø1/4" ( ø6.35) 0.279 ø3/8" (ø9.52) 0.602 R[...]

12 1-9. T ubing Length T able 1-16 Ranges that Apply to Refrigerant T ubing Lengths and to Differences in Installation Heights R410A di s trib u tio n joi n t APR-P160BA (f or i n door un it) Note: Do n ot us e commercially a vailab le T -joi n t s f or the liq u id t u bi ng . H2 LD L1 L2 LC LB LA * Be su re to us e s pecial R410A di s trib u tio [...]

W ARNING Al ways c heck the gas density limit for the r oom in which the unit is installed. 1-10. Check of Limit Density When installing an air conditioner in a room, it is neces- sar y to ensure that e ven if the refrigerant gas accidentally leaks out, its density does not e xceed the limit le vel f or that room. If the density could e xceed the l[...]

14 APR-P160BA Use: F or indoor unit (Capacity after distribution joint is 76,400 BTU/h (22.4 kW) or less.) T able 1-18 Size of connection point on each part (Shown are inside diameters of tubing) Ga s t u be Liq u id t u be Example B B B C I nsu latio n Di s trib u tio n Joi n t A B A 4-21/64 3 -1 3 /16 4-21/64 3 -1 3 /16 2-5 3 /64 2-5 3 /64 C C C [...]

15 1-13. Example of T ubing Size Selection and Refrigerant Charge Amount Additional refrigerant charging Based on the values in T ables 1-2, 1-3, 1-4 and 1-7, use the liquid tubing size and length, and calculate the amount of additional refrigerant charge using the formula below . = 0.602 × (a) + 0.279 × (b) (a): Liquid tubing T otal length of ø[...]

Checking of limit density Density limit is determined on the basis of the size of a room using an indoor unit of minimum capacity . For instance, when an indoor unit is used in a room (floor area 80 ft 2 × ceiling height 8.8 ft. = room volume 704 ft. 3 ), the graph at right shows that the minim um room volume should be 497 ft. 3 (floor area 56 ft.[...]

17 2. SELECTING THE INST ALLA TION SITE 2-1. Indoor Unit A V OID:  areas where leakage of flammable gas ma y be e xpected.  places where large amounts of oil mist e xist.  direct sunlight.  locations near heat sources which ma y aff ect the perf or mance of the unit.  locations where e xter nal air ma y enter the room directly . This[...]

*4 *1 *2 * 3 *1 More tha n 25/64 " More tha n 25/64 " (field su pply) A B (Gro un d) (Ob s tr u ctio n above un it) I n let s ide More tha n 8 i n . (Ob s tr u ctio n o n i n let s ide) Air directio n chamber O u tlet s ide More tha n 3 . 3 ft. I n let s ide C 2-2. Outdoor Unit A V OID:  heat sources, e xhaust f ans, etc. (Fig. 2-5) ?[...]

Fig. 2-10 Fig. 2-11 Fig. 2-12 2-3. Air Discharge Chamber f or T op Dischar ge Be sure to install an air discharge chamber (field sup- ply) in the field when:  it is difficult to keep a space of min. 20 in. betw een the air discharge outlet and an obstacle.  the air discharge outlet is f acing a sidew alk and discharged hot air ma y anno y pas[...]

20 9-7/16 1-1/ 8 1-1/ 8 1- 3 / 8 21-5/ 3 2 12-15/ 3 2 2- 3 /4 Recta ngu lar hole Recta ngu lar hole Recta ngu lar hole Recta ngu lar hole 11-1 3 /16 2 1 4 3 9-7/16 1- 3 / 8 12-15/ 3 2 21-5/ 3 2 2- 3 /4 21-1 3 / 3 2 11 22-1 3 / 3 2 42-29/ 3 2 3 9-1/4 9-27/ 3 2 9-27/ 3 2 12-7/ 3 2 9-27/ 3 2 Unit: in. 1 Unit front, air discharge chamber 2 Unit left si[...]

More tha n 7 8 - 3 /4 More tha n 15- 3 /4 More tha n 59-1/16 I ns tallatio n with i n take s f aci ng o u tlet s I ns tallatio n with i n take s f aci ng i n take s or o u tlet s f aci ng o u tlet s More tha n 15- 3 /4 More tha n 11-1 3 /16 More tha n 11-1 3 /16 More tha n 7-7/ 8 Mi n . 3 9- 3 / 8 Mi n . 7-7/ 8 The fro n t a n d both s ide s m us t[...]

22 17-15/ 3 2 25-1 3 / 3 2 9- 3 /16 2 8 -1 3 /16 15-9/ 3 2 47-19/ 3 2 2 3 11-7/ 8 3 - 3 1/ 3 2 9- 3 /16 2 8 -1 3 /16 1- 3 /16 47-19/ 3 2 3 0- 3 / 3 2 1 4 5-29/ 3 2 17-2 3 / 3 2 19-11/16 25/ 3 2 1 3 -5/16 19-11/16 1-5/ 8 2 8 - 3 /4 3 0-5/ 8 5/ 8 3 - 3 /4 19-11/16 Fa s te n ed by s cre w s at 1 3 locatio ns Fa s te n ed by s cre w s at 3 locatio ns ([...]

23 Reference diagram f or snow-pr oof ducting – 1 Space requirements for setting – (1) CHX03652/06052 Mi n . I M i n . I Mi n . M Mi n . N Mi n . H Mi n . J (1) S i ng le- un it i ns tallatio n (2) M u ltiple- un it i ns tallatio n (2 or more un it s ) To p i s ope n : To p i s bloc k ed by a n ob s tacle: [O bs tacle to the fr ont of unit] O u[...]

24 Reference diagram f or snow-pr oof ducting – 2 Space requirements for setting – (2) CHX03652/06052 Mi n . 11-1 3 /16 Mi n . 11-1 3 /16 Mi n . 3 9- 3 / 8 Mi n . 7-7/ 8 Mi n . 59-1/16 Mi n . 7 8 - 3 /4 0 Mi n . 11-1 3 /16 Mi n . 3 9- 3 / 8 Mi n . 7-7/ 8 Q Q Mi n . P Mi n . O (1) S i ng le- un it i ns tallatio n (2) Ob s tacle s o n both s ide [...]

25 X 3. HO W T O INST ALL THE INDOOR UNIT  4-W a y Air Discharge Semi-Concealed T ype (X T ype) 3-1. Preparation for Suspending This unit uses a drain pump . Use a carpenter’ s le vel to chec k that the unit is le vel. 3-2. Suspending the Indoor Unit (1) Fix the suspension bolts securely in the ceiling using the method shown in the diagr ams ([...]

X Fig. 3-5 (2) The length of suspension bolts must be appropriate f or a distance between the bottom of the bolt and the bottom of the unit of more than 19/32 in. as shown in Fig. 3-5. (3) Thread the 3 he xagonal nuts and 2 washers (field supply) onto each of the 4 suspension bolts as shown in Fig. 3-5. Use 1 nut and 1 washer f or the upper side, a[...]

27 X Fig. 3-9 11- 3 /16 i n . or le ss (a s s hort a s po ss ible) 33 -15/ 3 2 i n . or le ss * Le ng th of su pplied drai n ho s e = 9-27/ 3 2 i n . 0 – 45° Fig. 3-10 Upward g radie n t prohibited Fig. 3-11 Fig. 3-12 Su ppor t piece s W ater (Approx. 0. 3 g al) Drai n pa n o u tlet Drai n a g e check Pla s tic co n tai n er for w ater i n take [...]

28 X Air-i n take g rille Ceili ng pa n el Air-i n take g rille hi ng e 1 1 3-6. How to Install the Ceiling P anel 3-6-1. Before Installing the Ceiling P anel Checking the unit position (1) Check that the ceiling hole is within this r ange: 33-55/64 × 33-55/64 to 35-53/64 × 35-53/64 in. (2) Use the full-scale installation diagram (from the packag[...]

Drai n t u bi ng cor n er Refri g era n t t u bi ng cor n er DRAIN mark Pa n el i ns tallatio n hole (4 locatio ns ) REF ,PIPE mark Wa s her head s crew s Celli ng pa n el After completing the wiring process, install the supplied wiring cover before installing the panel. It is not possible to install the wiring cover after installing the panel. X 2[...]

X 3-6-3. Wiring the Ceiling P anel (1) Open the cov er of the electrical component box. (2) Connect the 7P wiring connector (red) from the ceiling panel to the connector in the unit electrical component bo x.  If the connectors are not connected, the A uto flap will not operate. Be sure to connect them securely .  Check that the wiring connec[...]

31 X 3-6-5. Checking After Installation  Check that there are no gaps betw een the unit and the ceiling panel, or between the ceiling panel and the ceiling surf ace. Gaps ma y cause water leakage and condensation.  Check that the wiring is securely connected. If it is not securely connected, the auto flap will not operate. (“P09” is displ[...]

32 A  1-W a y Air Discharge Semi-Concealed T ype (A T ype) 3-8. Suspending the Indoor Unit (1) Follow the diag rams to mak e the holes in the ceiling. (Figs. 3-29 and 3-30) (2) Depending on the ceiling type:  Inser t suspension bolts as shown in Fig. 3-31 or  Use e xisting ceiling suppor ts or construct a suitable suppor t as shown in Fig.[...]

33 A Ceili ng tile s Ceili ng su ppor t Fig. 3-34 Fig. 3-33 Fig. 3-32 3-9. Placing the Unit Inside the Ceiling (1) Use the supplied M5 or 3/16" screws (4) to attach the full-size installation diagr am to the indoor unit suspension lugs, in order to obtain the ceiling opening dimensions f or suspending the unit. Caution: Piping and wiring work [...]

34 A Fig. 3-37 Fig. 3-38 2-1/ 8 Sus pe ns io n bolt s T u bi ng s ide 19/ 3 2 19/ 3 2 2-1/ 8 Sus pe ns io n bolt s 25/ 3 2 25/ 3 2 25/ 3 2 Ceili ng material  The indoor unit includes a drain pump. Be sure to use a level gauge and verify that the unit is level.  Before inserting the ceiling material, complete as muc h of the drain piping work [...]

35 A Fig. 3-41 Air bleed v alve Fig. 3-43 Fig. 3-42 0 – 45° 11-1 3 /16 i n . or le ss 33 -15/ 3 2 i n . or le ss * Le ng th of su pplied drai n ho s e = 9-27/ 3 2 i n . Uphill s lope Fig. 3-44 Su ppor t brack et CAUTION 3-11. Checking the Draina ge After wiring and drain piping are completed, use the f ollowing procedure to chec k that the water[...]

36 A Refrigerant tubing joint (gas tube) Refrigerant tubing joint (liquid tube) Drain pipe connection (Be sure to connect the supplied flexible hose.) Inter-unit Control Wiring Power supply outlet Fig. 3-46  Route the power wiring into the indoor unit thr ough the power inlet on the side of the unit. At this time, be sure that the wiring passes [...]

Hook S crew Hi ng e I n take g rille S lide Pre ss o n the tab s with a flathead (mi nus ) s crewdriver while p u lli ng o u t the i n tak e g rille. S crew 37 A Removing the intake grille Slide the intake g rille hooks (2 locations) in the direction of the arrow to open the intake g rille. (fig. 3-49a) When the intake g rille is open, press a flat[...]

38 A (5) Align the installation holes on the panel with the bolt holes on the unit. (6) Inser t the supplied washer head bolts into the 4 panel installation holes, and tighten until the panel is securely f astened against the unit. (Fig. 3-54) (7) V erify that the panel is securely fastened against the unit.  At this time, mak e sure that there [...]

A 3-13-3. Wiring the ceiling panel (1) Loosen the 2 screws on the electrical component bo x lid, and remov e the lid. (Fig. 3-57) (2) F asten the wiring connector (7P , red) which comes out from the ceiling panel using the lead wire clamps (2 locations) on the unit. Then connect it to the connector (7P , red) inside the indoor unit electrical compo[...]

U 40 Fig. 3-61 Fig. 3-62 I n door un it I ns pectio n acce ss 17-2 3 / 3 2 17-2 3 / 3 2 Air o u tlet d u ct fla ng e mi n . 9-27/ 3 2 mi n . 15- 3 /4 mi n . 25-19/ 3 2 22-27/ 3 2 A ( Sus pe ns io n bolt pitch) Electrical compo n e n t box Refri g era n t t u bi ng mi n . 9-27/ 3 2  Concealed Duct T ype (U T ype) 3-14. Required Minimum Space f or[...]

U Fig. 3-63 3-15. Suspending the Indoor Unit Depending on the ceiling type: • Inser t suspension bolts as shown in Fig. 3-63 or • Use existing ceiling suppor ts or construct a suitable suppor t as shown in Fig. 3-64. Hole-i n -a n chor Hole-i n -pl ug Co n crete I ns er t Sus pe ns io n bolt (M10 or 3 / 8 ") (field su pply) Fig. 3-64 Fig. [...]

U Fig. 3-68 Fig. 3-69 Drai n ho s e ( su pplied) ( n ot su pplied) ( n ot su pplied) Pa ck i ng ( su pplied) VP-25 Ali gn the ho s e ba n d with e n d of the ho s e, a n d ti g hte n s o that it doe s n ot co n tact the bead. Drai n a g e chec k s ectio n o n drai n port (tra ns pare n t) Hard PVC s ock et VP-25 Hard PVC pipe PVC adhe s ive Bead Vi[...]

43 U Fig. 3-74 I n ter- un it co n trol wiri ng P ow er su pply o u tlet (4) When the check of dr ainage is complete, open the chec k pin (CHK) and remount the insulator and drain cap onto the drain inspection port. CAUTION Be careful since the fan will start when you short the pin on the indoor control board. HT: U s i ng the boo s ter cable H: At[...]

44 D  Concealed Duct High-Static Pressure T ype (D T ype) 3-19. Required Minim um Space for Installation and Service  This air conditioner is usually installed abov e the ceiling so that the indoor unit and ducts are not visible . Only the air intake and air outlet ports are visible from below .  The minimum space f or installation and ser[...]

45 D Fig. 3-79 Hole-i n -a n chor Hole-i n -pl ug Co n crete I ns er t Sus pe ns io n bolt (M10 or 3 / 8 ") (field su pply) 3-20. Suspending the Indoor Unit Depending on the ceiling type:  Inser t suspension bolts as shown in Fig. 3-79 or  Use e xisting ceiling suppor ts or construct a suitable suppor t as shown in Fig. 3-80. Fig. 3-80 F[...]

D Fig. 3-83 Fig. 3-84 Fig. 3-85 Mi n . 1 - 3 1/ 3 2 i n . I ns pectio n pl ug Mi n . 3 -15/16 i n . Good Mi n . 1/100 Dow n ward g radie n t Not g ood 3-21. Installing the Drain Piping (1) Prepare standard hard PVC pipe (O .D . 1-1/4" ) for the drain and use the supplied drain soc k et to prev ent w ater leaks. The PVC pipe must be purchased s[...]

47 T  Ceiling-Mounted T ype (T T ype) 3-24. Required Minimum Space f or Installation and Service (1) Dimensions of suspension bolt pitch and unit T able 3-6 Dimen s ion Ty p e 12, 1 8 AB C 33 -21/ 3 2 3 5-5 3 /64 8 -17/64 24 44-19/64 46-29/64 8 -17/64 B C A 6-11/16 12-19/ 3 2 26-49/64 1-5/64 1-5/64 Ceili ng s ide ( Sus pe ns io n bolt pitch) ( S[...]

T W ARNING It is important that you use extreme care in supporting the indoor unit from the ceiling. Ensure that the ceiling is strong enough to support the weight of the unit. Before hanging the ceiling unit, test the strength of each attached suspension bolt. Fig. 3-93 Fig. 3-94 Ceili ng tile s Ceili ng su ppor t A A un it Ceili ng su rface Fixt [...]

T (5) Bef ore suspending the indoor unit, remov e the 2 or 3 screws on the latch of the air-intake g rilles, open the grilles, and remov e them b y pushing the claws of the hinges as sho wn in Fig. 3-95. Then remov e both side panels sliding them along the unit tow ard the front after removing the 2 attachment scre ws. (Fig. 3-96) (6) Carr y out th[...]

50 T CAUTION  Attach so that the hose band fastener is on the side of the drain port. (Fig. 3-108)  Attach the hose bands so that each is appro ximatel y 13/64 – 63/64 in. from the end of the supplied drain hose. Good Mi n . 1/100 Do n ward g radie n t Not g ood Fig. 3-107 Left- s ide drai n ho s e o u tlet port Rear t u bi ng hole P ower s[...]

T 51 5- 33 /64 6 3 /64 6 3 /64 1 3 /64 1 3 /64 Tw i s t tie (4 tie s , su pplied) U n it drai n port Drai n ho s e i nsu latio n ( su pplied) Hard PVC pipe (eq u ivale n t to VP-20) (Field su pply) Po s itio n to fa s te n ho s e ba n d s Drai n ho s e ( su pplied) Ho s e ba n d (2 ba n d s , su pplied) U n it drai n pa n Fig. 3-108  Ne ver allo[...]

K 52  W all-Mounted T ype (K T ype) 3-29. Removing the Rear P anel fr om the Unit (1) Remov e the set scre ws used to fasten the rear panel to the indoor unit during transpor tation. (2) Press up on the frame at the 2 locations shown b y the arro ws in the figure at right, and remove the rear panel. T ubing can be e xtended in 4 directions as sh[...]

K 53 (2) Check with a tape measure or carpenter’ s le v el. This is impor tant so that the unit is correctly installed. (Fig. 3-117) (3) Make sure the panel is flush against the w all. Any space between the wall and unit will cause noise and vibr ation. b) If the W all is Bric k, Concrete or Similar Drill 3/16" dia. holes in the wall. Inser [...]

54 (3) T o mount the indoor unit on the rear panel. 1. When installing the indoor unit, position the indoor unit onto the installation tabs on the upper par t of the rear panel. (Fig. 3-123) 2. Press on the air outlet to hold it in place, and press the lower par t of the indoor unit until a “click” sound is heard and the indoor unit is securely[...]

55 3-36. When Using Wireless Remote Controller Instead Of Wired Remote Contr oller When the wireless remote controller is to be used, slide the s witch on the indoor unit control PCB. • If this setting is not made, an alarm will occur . (The operation lamp on the displa y b links.) • This setting is not necessar y if both the wired remote contr[...]

56 4. HO W T O INST ALL THE OUTDOOR UNIT 4-1. Installing the Outdoor Unit  Use concrete or a similar material to create the base, and ensure good drainage.  Ordinarily , ensure a base height of 2 in. or more. If a dr ain pipe is used, or f or use in cold-weather regions, ensure a height of 6 in. or more at the f eet on both sides of the unit.[...]

57 5. ELECTRICAL WIRING 5-1. General Precautions on Wiring (1) Bef ore wiring, confir m the rated voltage of the unit as shown on its nameplate , then carr y out the wiring closely follo wing the wiring diagram. (2) Provide a po wer outlet to be used e xclusiv ely for each unit, and a power supply disconnect and circuit breaker f or o vercurrent pr[...]

58 5-3. Wiring System Diagram U2 U1 L2 L1 L2 L1 R2 R1 U2 U1 2 1 WHT Remote co n troller BLK 2 1 U2 U1 U2 U1 U2 U1 2 1 WHT Remote co n troller Gro u p co n trol: BLK 2 1 2 1 WHT Remote co n troller D A E I n door un it (No . n ) I n door un it (No . 1) I n door un it (No . 2) I n door un it (No . 3 ) C B O u tdoor un it INV un it L1 P ower su pply L[...]

O u tdoor un it O u tdoor un it O u tdoor un it I n door un it I n door un it I n door un it I n door un it I n door un it more tha n 3 . 3 ft. more tha n 3 . 3 ft. Bra n ch poi n t 16 or fe wer I n door un it I n door un it I n door un it I n door un it more tha n 3 . 3 ft. I n door un it Outdoor unit Indoor unit Indoor unit Indoor unit Indoor uni[...]

60 Fig. 5-4 Shielded wire Ground Ground Fig. 5-5 S tra n ded wire Ri ng pre ssu re termi n al S trip 3 / 8 i n . Fig. 5-6 Wire Special washer Screw Ring pressure terminal Terminal plate Screw and Special washer Ring pressure terminal Wire (5) Use shielded wires f or inter -unit control wiring (c) and ground the shield on both sides, otherwise misop[...]

61 6. HO W T O PROCESS TUBING 6-1. Connecting the Refrigerant T ubing Use of the Flaring Method Many of con v entional split system air conditioners emplo y the flaring method to connect refr igerant tubes which run between indoor and outdoor units. In this method, the copper tubes are flared at each end and connected with flare nuts. Flaring Proce[...]

62 Caution Before Connecting T ubes Tightly (1) Apply a sealing cap or water-proof tape to pre v ent dust or water from entering the tubes bef ore they are used. (2) Be sure to apply refrigerant lubricant to the matching surf aces of the flare and union bef ore connecting them together . This is eff ectiv e f or reducing gas leaks. (Fig. 6-4) (3) F[...]

63 Fig. 6-8 Fig. 6-9 6-3. Insulating the Refrigerant T ubing T ubing Insulation  Thermal insulation must be applied to all unit tubing, including distribution joint (purchased separately). * F or gas tubing, the insulation material must be heat resistant to 248°F or abov e. F or other tubing, it m ust be heat resistant to 176°F or abov e. Insu[...]

64 Fig. 6-10 Fig. 6-11 6-4. T aping the T ubes (1) At this time, the refrigerant tubes (and electrical wiring if local codes per mit) should be taped together with armor ing tape in 1 bundle . T o prev ent the condensation from ov erflowing the dr ain pan, keep the dr ain hose separate from the refrigerant tubing. (2) Wrap the ar moring tape from t[...]

65 Fig. 7-1 Fig. 7-2 7. AIR PURGING Air and moisture in the refrigerant system may ha v e undesirab le eff ects as indicated below .  pressure in the system rises  operating current rises  cooling (or heating) efficiency drops  moisture in the refrigerant circuit may freez e and b lock capillar y tubing  water ma y lead to corrosion [...]

66 (3) Do a leak test of all joints of the tubing (both indoor and outdoor) and both gas tube and liquid tube ser vice valv es . Bubb les indicate a leak. Wipe off the soap with a clean cloth after the leak test. (4) After the system is f ound to be free of leaks, relie v e the nitrogen pressure by loosening the charge hose connector at the nitroge[...]

67 Fig. 7-5 Fig. 7-6 Charging additional refrigerant  Charging additional refrigerant (calculated from the liquid tube length as shown in Section 1-7 “Additional Refrigerant Charge”) using the liquid tube ser vice v alve . (Fig. 7-5)  Use a balance to measure the refrigerant accurately .  If the additional refrigerant charge amount can[...]

68 8. TEST RUN 8-1. Preparing for T est Run  Before attempting to start the air conditioner , chec k the follo wing. (1) All loose matter is remov ed from the cabinet, especially steel filings, bits of wire , and clips. (2) The control wiring is correctly connected and all electrical connections are tight. (3) The transpor tation pads f or the i[...]

YE S Make n ece ss ary correctio ns . Check the alarm co n te n t s . Check the alarm co n te n t s . T u r n OFF the i n door a n d o u tdoor un it power NO *2 * 3 * 3 *2 CA S E 1 CA S E 2 CA S E 3 BC A S E 3 A YE S YE S NO YE S NO NO NO YE S YE S NO Recheck the item s to check bef ore the te s t r un . Are the i n ter- un it co n trol wire s co n[...]

70 8-3. Outdoor Unit PCB Setting CN51 CN50 D04 3 (LED2) D042 (LED1) S 00 3 CN 33 S 002 S 004 Fig. 8-4 07-056 Mini_ECOi_II_NA 3/19/07 2:41 PM Page 70[...]

71 1 1 1 2 1 ON 2 1 ON ON 1 2 2 1 ON 2 1 0 9 ON OFF ON OFF ON OFF ON OFF Examples of refrigerant circuit (R.C.) address settings (required when link wiring is used) Examples of the No. of indoor units settings No. of indoor units System address No. Indoor unit setting (S004) (Rotary switch, red) System address (S003) (2P DIP switch, blue) System ad[...]

72 8-4. A uto Address Setting Basic wiring diagram: Example (1) (S004) 1-1 1-2 1-3 1-8 • If link wiring is not used (The inter-unit control wires are not connected to multiple refrigerant systems.) Indoor unit addresses can be set without operating the compressors. No. 1 unit settings Unit No. 1 Outdoor Unit Indoor Unit Remote controller Inter-un[...]

73 1-1 1-2 2-1 2-2 2-7 1-3 1-6 2 7 7 ON 1 2 ON OFF Automatic address setting in Heating mode Automatic address setting in Cooling mode * When multiple outdoor units exist, remove the socket that is used to short-circuit the terminal plug (CN33) from all outdoor unit PCBs except for 1. Alternatively , move the sockets to the “OPEN” side. Leave t[...]

74 A utomatic Address Setting (no compressor operation)  Indoor and outdoor unit power can be turned ON f or each system separately . Indoor unit addresses can be set without operating the compressors. A utomatic Address Setting fr om Outdoor Unit 1. On the outdoor unit control PCB, check that the system address rotary switch (S002) is set to ?[...]

75 A utomatic Address Setting in Heating Mode  Indoor and outdoor unit power cannot be turned ON f or each system separately . In the f ollowing, automatic setting of indoor unit addresses is not possib le if the compressors are not operating. Theref ore perf or m this process only after completing all refrigerant tubing work. A utomatic Address[...]

76 A utomatic Address Setting in Cooling Mode  Indoor and outdoor unit power cannot be turned ON f or each system separately . In the f ollowing, automatic setting of indoor unit addresses is not possib le if the compressors are not operating. Theref ore perf or m this process only after completing all refrigerant tubing work. A utomatic address[...]

77 i s bli n ki ng LED 1 LED 2 ( : ON : Blinking : OFF) Display meaning After the power is turned ON (and automatic address setting is not in progress), no communication with the indoor units in that system is possible. After the power is turned ON (and automatic address setting is not in progress), 1 or more indoor units are confirmed in that syst[...]

78 Checking the indoor unit ad dresses Use the remote controller to check the indoor unit address . <If 1 indoor unit is connected to 1 remote controller> 1. Press and hold the button and b utton f or 4 seconds or longer (simple settings mode). 2. The address is display ed f or the indoor unit that is connected to the remote controller . (Onl[...]

79 8-6. Meaning of Alarm Messages T able of Self-Diagnostics Functions and Description of Alarm Displa ys Alarm messages are indicated by the blinking of LED 1 and 2 (D72, D75) on the outdoor unit PCB . They are also displa y ed on the wired remote controller .  Viewing the LED 1 and 2 (D72 and D75) alarm displays Possible cause of malfunction R[...]

80 Thermi s tor fa u lt Protective device f or compre ss or i s activated I n door thermi s tor i s either ope n or dama g ed. O u tdoor thermi s tor i s either ope n or dama g ed. Protective de vice f or compre ss or No . 1 i s activated. I n door coil temp . s e ns or (E1) I n door coil temp . s e ns or (E2) I n door coil temp . s e ns or (E 3 ) [...]

X <How to remo ve the filter> 1. Use a screwdriv er to remov e the bolt screw on each side f or the two latches . (Be sure to reattach the two bolt scre ws after cleaning.) 2. Press on the two latches of the air intak e grille with your thumbs in the direction of the arrow to open the grille. 3. Open the air intake g rille downward. 9. APPEND[...]

X 82 4. Remov e the air filter attached to the air intake g rille. Air intake grille Bolt screws Latch Safety chain Air filter Care: After a prolonged idle period Care: Before a pr olonged idle period Check the indoor and outdoor unit air intak es and outlets f or bloc kage; if there is a bloc kage, remo ve it. • Operate the f an f or half a da y[...]

Air filter finger-hold Air filter Air intake grill Latch Air filter finger-hold Hook Screw Slide Screw *T ake hold of the finger-hold on the air filter , pull it toward you. A 9-2. 1-W a y Air Discharge Semi-Concealed T ype (A T ype)  NAME OF P ARTS  CARE AND CLEANING S EMI-CONCEALED A ty p e (1-W A Y) Air intake Ceilin g p anel (o p tional) [...]

84 A Care: After a prolonged idle period Care: Before a pr olonged idle period Check the indoor and outdoor unit air intak es and outlets f or bloc kage; if there is a bloc kage, remo ve it. • Operate the f an f or half a da y to dr y out the inside. • Disconnect the pow er supply and also turn off the circuit breaker . • Clean the air filter[...]

85 U D 9-3. Concealed Duct (High-Static Pressure) T ype (U, D T ype)  NAME OF P ARTS  CARE AND CLEANING CONCEALED DUCT U type (standard static pressure ) Wa t e r d r a i n Flexible duct (optional) Can vas duct (optional) Air intake grille (air intake) (optional) Air outlet grille (optional) CAUTION W ARNING 1. For safety , be sure to turn th[...]

86 U D  TROUBLESHOO TING If your air conditioner does not w ork proper ly , first chec k the follo wing points bef ore requesting ser vice. If it still does not w ork properly , contact your dealer or a service center . Air co n ditio n er doe s n ot r un at all 1. Po wer f ail u re. 1. After a pow er o u ta g e, pr e ss ON/ OFF operatio n b u t[...]

T <How to remo ve the filter> 9-4. Ceiling-Mounted T ype (T T ype)  NAME OF P ARTS  CARE AND CLEANING CEILING-MOUNTED T ty pe Wa t e r d r a i n Air intake grille (air intake) Air outlet (Drain pipe can be connected to either the left or right side.) CAUTION W ARNING 1. For safety , be sure to turn the air conditioner off and also to di[...]

88 T Care: After a prolonged idle period Care: Before a pr olonged idle period Check the indoor and outdoor unit air intak es and outlets f or bloc kage; if there is a bloc kage, remo ve it. • Operate the f an f or half a da y to dr y out the inside. • Disconnect the pow er supply and also turn off the circuit breaker . • Clean the air filter[...]

89 K <How to remo ve the filter> 1. Mov e the flap on the air outlet grille to its lowest position with the remote control unit. 2. The filter is disengaged by pushing the tab up gently . Hold the air filter by the tab at the bottom, and pull downw ard. When replacing the filter , mak e sure that the FRONT mark is f acing you. Push it up unti[...]

90 K Care: After a prolonged idle period Care: Before a pr olonged idle period Check the indoor and outdoor unit air intak es and outlets f or bloc kage; if there is a bloc kage, remo ve it. • Operate the f an f or half a da y to dr y out the inside. • Disconnect the pow er supply and also turn off the circuit breaker . • Clean the air filter[...]