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13-2

TROUBLESHOOTING

Revision Y05-01

Service Manual - WMZ

SYMPTON

PROBABLE CAUSE

CORRECTIVE ACTION

No cooling or
heating only
indoor fan works.

Outdoor fan motor faulty or
other fault caused, compressor
overload protection cut out.

-Replace P.C.B.
-Outdoor fan blocked remove
obstructions.

Only indoor fan
and compressor
working.

Outdoor fan blocked.

-Remove obstructions.

10.

Only indoor fan
working.

-Run capacitor of outdoor fan
motor faulty.
-Windings of outdoor fan are
shorted.

-Replace capacitor.

-Replace motor.

11.

No cooling or
heating takes
place, indoor fans
working.

-Overload safety device on
compressor is cut out (low
voltage or high temperature).

-Compressor runs capacitor
faulty.

-Compressor windings are
shorted.

-Check for proper voltage, switch
off power and try again after one
hour.

-Replace compressor capacitor.

-Replace compressor.

12.

No air supply
at indoor unit,
compressor
operates.

-Indoor fan motor is blocked or
turns slowly.
-Indoor fan run capacitor faulty.
-Motor windings are shorted.

-Check voltage, repair wiring if
necessary.
-Check fan wheel if it is tight
enough on motor shaft, tighten if
necessary.

13.

Partial, limited air
supply at indoor
unit.

Lack of refrigerant (will
accompanied by whistling
noise) cause ice formation on
indoor unit coil in cooling mode.

-charge the unit after localizing
leak.

14.

Water
accumulates
and over ﬂow
from indoor unit
section.

Drain tube or spout of drain pan
clogged.

-Disassemble plastic drain tube
from spout of indoor unit drain pan.

15.

Water dripping
from outdoor unit
base, (in heating
mode).

Water drain outlet is clogged.

-Open outdoor unit cover clean out
water outlet clean the base inside
thoroughly.

16.

Freeze-up of
outdoor coil in
heating mode,
poor heating effect
in room, indoor fan
operates.

-Faulty outdoor thermistor.

-Faulty control cable.

-Outdoor temperature is below
design conditions.

-Outdoor unit air outlet is
blocked.

-Replace thermistor.

-Repair control cable.

-Shut unit off, it cannot work
properly.

-Remove obstructions.

17.

Unit is in heat
mode but
operating in
cooling.

-Faulty RV coil.

-RV coil is ok valve is stuck
position.

-Replace RV coil.

-Replace the reversing valve.

Содержание Gcz 12

Страница 1: ...Service Manual WMZ Series REFRIGERANT R407C R22 COOLING ONLY HEAT PUMP SEPTEMBER 2005 Indoor Units Outdoor Units WMZ 7 GCZ 7 WMZ 9 GCZ 9 WMZ 12 GCZ 12 WMZ 17 GCZ 17 WMZ 22 GCZ 24...

Страница 2: ...d pages are Original 0 15 December 2004 Total number of pages in this publication is 151 consisting of the following Page No Revision No Page No Revision No Page No Revision No Title 0 A 0 i 0 1 1 1 8...

Страница 3: ...IMENSIONS 4 1 5 PERFORMANCE DATA PRESSURE CURVES 5 1 6 SOUND LEVEL CHARACTERISTICS 6 1 7 ELECTRICAL DATA 7 1 8 WIRING DIAGRAMS 8 1 9 ELECTRICAL CONNECTIONS 9 1 10 REFRIGERATION DIAGRAMS 10 1 11 TUBING...

Страница 4: ...ct dimensions and low noise operation 1 2 Main Features R22 and R407C models Microprocessor control Infrared remote control with liquid crystal display Cross ow fan allowing low noise level operation...

Страница 5: ...carbon lter disposable optional 1 5 Control The microprocessor indoor controller and an infrared remote control supplied as standard provides complete operating function and programming For further d...

Страница 6: ...RCW Wall Mounted Remote Control The RCW remote control is mounted on the wall and controls the unit either as an infrared remote control or as a wired controller The wired controller can control up t...

Страница 7: ...Units per pallet units 32 Stacking height units 8 levels OUTDOOR Refrigerant control Capillary tube Compressor type model Rotary TOSHIBA PG135X1C 4DT2 Fan type quantity Propeller direct x 1 Fan speed...

Страница 8: ...t units 32 Stacking height units 8 levels OUTDOOR Refrigerant control Capillary tube Compressor type model Rotary TOSHIBA PG170X1C 4FS2 Fan type quantity Propeller direct x 1 Fan speeds H L RPM 655 Ai...

Страница 9: ...allet units 32 Stacking height units 8 levels OUTDOOR Refrigerant control Capillary tube Compressor type model Rotary TOSHIBA PG225X2C 4FS Fan type quantity Propeller direct x 1 Fan speeds H L RPM 735...

Страница 10: ...ts 16 Stacking height units 8 levels OUTDOOR Refrigerant control Capillary tube Compressor type model Rotary TOSHIBA PG330X2CS 4KT3 Fan type quantity Propeller direct x 1 Fan speeds H L RPM 920 Air ow...

Страница 11: ...pallet units 16 Stacking height units 8 levels OUTDOOR Refrigerant control Capillary tube Compressor type model Rotary TOSHIBA PG420X3CS 4MT1 Fan type quantity Propeller direct x 1 Fan speeds H L RPM...

Страница 12: ...r pallet units 32 Stacking height units 8 levels OUTDOOR Refrigerant control Capillary tube Compressor type model Rotary HITACHI SD134CV H6AUA Fan type quantity Propeller direct x 1 Fan speeds H L RPM...

Страница 13: ...et units 32 Stacking height units 8 levels OUTDOOR Refrigerant control Capillary tube Compressor type model Rotary TOSHIBA PH170X1C 4FS2 Fan type quantity Propeller direct x 1 Fan speeds H L RPM 655 A...

Страница 14: ...llet units 32 Stacking height units 8 levels OUTDOOR Refrigerant control Capillary tube Compressor type model Rotary TOSHIBA PH225X2C 4FS Fan type quantity Propeller direct x 1 Fan speeds H L RPM 735...

Страница 15: ...nits 16 Stacking height units 8 levels OUTDOOR Refrigerant control Capillary tube Compressor type model Rotary TOSHIBA PH330X2CS 4KT3 Fan type quantity Propeller direct x 1 Fan speeds H L RPM 920 Air...

Страница 16: ...ts per pallet units 16 Stacking height units 8 levels OUTDOOR Refrigerant control Capillary tube Compressor type model Rotary SHV33YC6 U Fan type quantity Propeller direct x 1 Fan speeds H L RPM 850 A...

Страница 17: ...ng Limits 3 1 1 R407C Indoor Outdoor Cooling Upper limit 32o C DB 23o C WB 46o C DB Lower limit 21o C DB 15o C WB 10o C DB Heating Upper limit 27o C DB 24o C DB 18o C WB Lower limit 10o C DB 9o C DB 1...

Страница 18: ...4 1 OUTLINE DIMENSIONS Revision Y05 01 Service Manual WMZ 4 OUTLINE DIMENSIONS 4 1 WMZ 7 9 12 4 2 WMZ 17 22...

Страница 19: ...4 2 OUTLINE DIMENSIONS Revision Y05 01 Service Manual WMZ 4 3 GCZ 7 9 12 4 4 GCZ 17...

Страница 20: ...4 3 OUTLINE DIMENSIONS Revision Y05 01 Service Manual WMZ 4 5 GCZ 22...

Страница 21: ...2 50 SC 1 40 1 49 1 57 1 61 1 64 PI 0 65 0 65 0 66 0 66 0 67 30 TC 1 95 2 12 2 29 2 37 2 44 SC 1 36 1 44 1 54 1 58 1 61 PI 0 70 0 71 0 72 0 72 0 73 35 TC 1 80 1 96 2 16 2 27 2 38 SC 1 29 1 38 1 50 1 5...

Страница 22: ...15 2 72 0 72 2 66 0 78 2 59 0 83 20 2 87 0 74 2 80 0 81 2 72 0 87 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB...

Страница 23: ...6 18 20 22 24 26 28 30 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 3 0 3 5...

Страница 24: ...arge Pressure VS Outdoor Temp 10 12 14 16 18 20 22 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5...

Страница 25: ...59 1 69 1 78 1 83 1 86 PI 0 83 0 84 0 84 0 85 0 85 30 TC 2 30 2 51 2 71 2 80 2 89 SC 1 54 1 64 1 74 1 79 1 83 PI 0 90 0 91 0 92 0 93 0 93 35 TC 2 13 2 31 2 55 2 68 2 80 SC 1 46 1 57 1 70 1 75 1 78 PI...

Страница 26: ...15 3 33 1 03 3 25 1 11 3 16 1 18 20 3 51 1 06 3 42 1 15 3 33 1 24 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB...

Страница 27: ...6 18 20 22 24 26 28 30 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 3 0 3 5...

Страница 28: ...rge Pressure VS Outdoor Temp 10 12 14 16 18 20 22 24 26 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 2 0 2 5 3 0 3 5 4 0 4 5...

Страница 29: ...2 17 2 30 2 43 2 50 2 54 PI 1 10 1 11 1 11 1 12 1 13 30 TC 3 07 3 34 3 61 3 74 3 85 SC 2 10 2 23 2 37 2 44 2 49 PI 1 18 1 20 1 21 1 22 1 23 35 TC 2 84 3 08 3 40 3 57 3 74 SC 2 00 2 14 2 32 2 39 2 43 P...

Страница 30: ...36 1 34 4 25 1 44 4 14 1 53 20 4 59 1 38 4 48 1 50 4 36 1 61 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry B...

Страница 31: ...6 18 20 22 24 26 28 30 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 3 0 3 5...

Страница 32: ...Pressure VS Outdoor Temp 10 12 14 16 18 20 22 24 26 28 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 2 0 2 5 3 0 3 5 4 0 4 5...

Страница 33: ...3 40 3 60 3 80 3 91 3 98 PI 1 61 1 62 1 63 1 64 1 65 30 TC 4 60 5 01 5 41 5 61 5 77 SC 3 29 3 49 3 72 3 82 3 90 PI 1 73 1 76 1 77 1 79 1 80 35 TC 4 26 4 62 5 10 5 36 5 61 SC 3 13 3 35 3 63 3 74 3 81...

Страница 34: ...2 1 96 6 55 2 11 6 38 2 24 20 7 08 2 01 6 91 2 19 6 72 2 36 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bu...

Страница 35: ...16 18 20 22 24 26 28 30 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 3 0 3 5...

Страница 36: ...ge Pressure VS Outdoor Temp 10 12 14 16 18 20 22 24 26 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 2 0 2 5 3 0 3 5 4 0 4 5 5...

Страница 37: ...4 27 4 53 4 78 4 92 5 01 PI 1 94 1 95 1 96 1 98 1 99 30 TC 5 90 6 43 6 94 7 19 7 40 SC 4 14 4 40 4 68 4 81 4 91 PI 2 09 2 12 2 14 2 16 2 18 35 TC 5 46 5 93 6 54 6 87 7 19 SC 3 94 4 22 4 57 4 70 4 79...

Страница 38: ...0 2 53 8 48 2 73 8 27 2 90 20 9 17 2 61 8 95 2 83 8 70 3 05 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bu...

Страница 39: ...16 18 20 22 24 26 28 30 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 3 0 3 5...

Страница 40: ...arge Pressure VS Outdoor Temp 10 12 14 16 18 20 22 24 26 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 2 0 2 5 3 0 3 5 4 0 4 5...

Страница 41: ...1 37 1 46 1 54 1 58 1 61 PI 0 64 0 64 0 65 0 65 0 66 30 TC 1 81 1 97 2 13 2 21 2 27 SC 1 33 1 42 1 50 1 55 1 58 PI 0 69 0 70 0 71 0 71 0 72 35 TC 1 68 1 82 2 01 2 11 2 21 SC 1 27 1 36 1 47 1 51 1 54...

Страница 42: ...15 2 71 0 74 2 64 0 80 2 58 0 85 20 2 86 0 76 2 79 0 83 2 71 0 89 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB...

Страница 43: ...16 18 20 22 24 26 28 30 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 3 0 3 5...

Страница 44: ...Pressure VS Outdoor Temp 10 12 14 16 18 20 22 24 26 28 30 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 2 0 2 5 3 0 3 5 4 0 4...

Страница 45: ...1 67 1 78 1 87 1 93 1 96 PI 0 87 0 88 0 89 0 89 0 90 30 TC 2 30 2 51 2 71 2 80 2 89 SC 1 62 1 72 1 83 1 89 1 92 PI 0 94 0 96 0 96 0 97 0 98 35 TC 2 13 2 31 2 55 2 68 2 80 SC 1 54 1 65 1 79 1 84 1 88...

Страница 46: ...15 3 33 1 05 3 25 1 13 3 16 1 20 20 3 51 1 08 3 42 1 17 3 33 1 26 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB...

Страница 47: ...16 18 20 22 24 26 28 30 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 3 0 3 5...

Страница 48: ...ge Pressure VS Outdoor Temp 10 12 14 16 18 20 22 24 26 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 2 0 2 5 3 0 3 5 4 0 4 5 5...

Страница 49: ...C 1 94 2 05 2 17 2 23 2 27 PI 1 04 1 05 1 05 1 06 1 07 30 TC 2 81 3 06 3 30 3 42 3 52 SC 1 88 1 99 2 12 2 18 2 22 PI 1 12 1 14 1 15 1 16 1 17 35 TC 2 60 2 82 3 11 3 27 3 42 SC 1 78 1 91 2 07 2 13 2 17...

Страница 50: ...5 1 32 3 95 1 42 3 85 1 51 20 4 27 1 36 4 17 1 47 4 05 1 59 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bu...

Страница 51: ...16 18 20 22 24 26 28 30 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 3 0 3 5...

Страница 52: ...Pressure VS Outdoor Temp 10 12 14 16 18 20 22 24 26 28 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 2 0 2 5 3 0 3 5 4 0 4 5...

Страница 53: ...C 3 39 3 59 3 79 3 90 3 97 PI 1 69 1 70 1 71 1 72 1 73 30 TC 4 78 5 21 5 63 5 83 6 00 SC 3 28 3 49 3 71 3 81 3 89 PI 1 82 1 85 1 86 1 88 1 90 35 TC 4 43 4 80 5 30 5 57 5 83 SC 3 12 3 34 3 62 3 72 3 80...

Страница 54: ...6 2 01 6 49 2 16 6 33 2 30 20 7 01 2 07 6 85 2 24 6 66 2 42 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bu...

Страница 55: ...16 18 20 22 24 26 28 30 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 3 0 3 5...

Страница 56: ...e Pressure VS Outdoor Temp 10 12 14 16 18 20 22 24 26 28 30 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 2 0 2 5 3 0 3 5 4 0...

Страница 57: ...C 4 43 4 70 4 96 5 10 5 20 PI 2 16 2 18 2 19 2 21 2 22 30 TC 5 90 6 43 6 94 7 19 7 40 SC 4 29 4 56 4 85 4 99 5 09 PI 2 33 2 37 2 39 2 41 2 43 35 TC 5 46 5 93 6 54 6 87 7 19 SC 4 08 4 38 4 74 4 88 4 97...

Страница 58: ...5 2 74 8 24 2 95 8 03 3 14 20 8 90 2 82 8 69 3 06 8 45 3 30 the above chart includes the weighted deicing in euence LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bu...

Страница 59: ...16 18 20 22 24 26 28 30 15 20 25 30 35 40 46 Outdoor Temp DB o C Discharge Pressure Bar g 15 21 WB DB C 17 24 WB DB C 19 27 WB DB C 21 29 WB DB C 23 32 WB DB C Suction Pressure VS Outdoor Temp 3 0 3 5...

Страница 60: ...Pressure VS Outdoor Temp 10 12 14 16 18 20 22 24 26 28 10 5 0 5 10 15 20 Outdoor Temp WB o C Discharge Pressure Bar g 25 DB C 20 DB C 15 DB C Suction Pressure VS Outdoor Temp 2 0 2 5 3 0 3 5 4 0 4 5...

Страница 61: ...Frequencies Hz FAN SPEED LINE HI ME LO NC Noise Criteria Curves NC15 NC20 NC25 NC30 NC35 NC40 NC45 NC50 NC55 NC60 NC65 10 20 30 40 50 60 70 80 90 63 125 250 500 1000 2000 4000 8000 Approximate thresh...

Страница 62: ...ress Level dB re 20 mPa Octave Band Center Frequencies Hz MODEL LINE OU8 33 OU10 44 GC 18 GC 24 NC Noise Criteria Curves NC15 NC20 NC25 NC30 NC35 NC40 NC45 NC50 NC55 NC60 NC65 10 20 30 40 50 60 70 80...

Страница 63: ...5x1 5 mm2 2x0 5 mm2 OCT senser 5x1 0 mm2 2x0 5 mm2 OCT senser Interconnecting Cable STModel No X Cross Section mm2 4x1 0 mm2 4x1 5 mm2 4x1 0 mm2 MODEL WMZ 17 WMZ 22 Power Supply To indoor To indoor 1...

Страница 64: ...8 1 WIRING DIAGRAMS Revision Y05 01 Service Manual WMZ 8 WIRING DIAGRAMS 8 1 Indoor Unit WMZ 7 9 12 8 2 Indoor Unit WMZ 17 22...

Страница 65: ...8 2 WIRING DIAGRAMS Revision Y05 01 Service Manual WMZ 8 3 Outdoor Unit GCZ 7 9 12 17 8 4 Outdoor Unit GCZ 22...

Страница 66: ...9 1 ELECTRICAL CONNECTIONS Revision Y05 01 Service Manual WMZ 9 ELECTRICAL CONNECTIONS 9 1 WMZ 7 9 12 17 22...

Страница 67: ...connection Flared Valves port Service Compressor valve Reverse Strainer Strainer Outdoor coil Sensor INDOOR UNIT OUTDOOR UNIT HEATING MODE COOLING MODE INDOOR UNIT OUTDOOR UNIT tube Capillary tube Ca...

Страница 68: ...port Service Compressor valve Reverse Strainer Outdoor coil Sensor Check valve INDOOR UNIT OUTDOOR UNIT HEATING MODE COOLING MODE INDOOR UNIT OUTDOOR UNIT Strainer Strainer valve Check Capillary tube...

Страница 69: ...9 12 17 22 RC R407C and R22 Strainer Capillary tube port Service Flared connection Valves Compressor Outdoor coil Indoor coil Sensor Sensor INDOOR UNIT OUTDOOR UNIT Strainer Capillary tube port Servic...

Страница 70: ...1 13 11 13 1 Valve Protection Cap end 2 Refrigerant Valve Port use Allen wrench to open close 3 Valve Protection Cap 4 Refrigerant Valve 5 Service Port Cap 6 Flare Nut 7 Unit Back Side 8 Copper Tube W...

Страница 71: ...is designed for service applications and is common to the following groups of air conditioners ST RC group Cooling only cooling and heating by heat pump SH group Cooling and heating by heat pump and s...

Страница 72: ...Medium High Water Level LEVEL4 Over ow Level Max Maximum Min Minimum min Minute time NA Not Applicable OCP Outdoor Condensation Pump OCT Outdoor Coil Temperature RT3 sensor OF OFAN Outdoor Fan OPER O...

Страница 73: ...12 3 CONTROL SYSTEM Revision Y05 01 Service Manual WMZ 12 3 Main PCB Controller 12 3 1 WMZ 7 22 LEXAN WMZ 7 22 Display PCB STBY LED RECIVER MODE BUTTON OPR LED RECIVER STBY LED MODE BUTTON OPR LED...

Страница 74: ...nterval between IFAN speed change in H M L Mode is 1 sec IFAN speed in Heat Cool Autofan Mode is determined according to the following table T IFAN Speed T 2 HIGH 2 T 1 MED 1 T LOW where in Heat Mode...

Страница 75: ...below 30o c b Thermistor is shorted The thermistor reading is over 75o c c Thermistor Temp reading doesn t change irrelevant for RT1 i This test is performed only once after a unit is switched from O...

Страница 76: ...he same is also applied to the OCT fault ii RAT thermistor is disconnected or shorted The RAT will be derived from the ICT by using the equations Heat Mode RAT ICT 2 3 Cool Mode RAT ICT 4 Notes In cas...

Страница 77: ...C sensor in I FEEL mode 2 The resolution of RT is 1o c RT is activating COMP WVL if RT SPT and RT is stopping COMP WVL if RT SPT 3 Indoor Coil Temp is detected by ICT RT2 4 Outdoor Coil Temp is detec...

Страница 78: ...s room temp at desired level by comparing RT and SPT RT SPT o c 3 2 1 0 1 2 ON OFF ON OFF USER FAN SPEED ON OFF COMP WVL OFAN IFAN RV Note 1 IFAN is always running at High Medium or Low speed selected...

Страница 79: ...utofan Mode Cool Auto at cooling Temp Selected desired temperature Fan Auto Timer Any I Feel On or Off Control function Maintains room temp at desired level and controls the IFAN speed for optimal com...

Страница 80: ...COMP is switched ON In this case the IFAN will be started at low speed Notes 1 In SH or RC group if HE is set to OFF due to low ICT IFAN will be switched to LOW and will be turned OFF after 30 sec 2...

Страница 81: ...CT 45o c In SH or RC group HE operation is limited by the following graph Back up mode for SH group After COMP has been working for 5 minutes HE IFAN are activated even if the ICT is still below 35o c...

Страница 82: ...de Heat Auto at heating Temp Selected desired temperature Fan HIGH MED LOW Timer Any I Feel On or Off Control function Maintains room temp at desired level by comparing RAT or RCT to SPT RT SPT o c 2...

Страница 83: ...Autofan Mode Heat Auto at heating Temp Selected desired temperature Fan Auto Timer Any I Feel On or Off Control function Maintains room temp at desired level by controlling COMP IFAN and OFAN RT SPT o...

Страница 84: ...STEM Revision Y05 01 Service Manual WMZ 12 6 6 OFAN operation is controlled by the graph below when 1 RAT SPT 2o c AND 2 ICT 45o c AND 3 COMP is ON Otherwise OFAN runs together with COMP OCT o c 3 2 1...

Страница 85: ...at low speed The proper Auto Heat mode or Auto Cool will be started whenever the RT reaches SPT 1o c or SPT 1o c respectively For RC SH units Mode change between Auto Heat Auto Cool Modes is possible...

Страница 86: ...ny Timer Any I Feel On or Off Control function Maintains room temp at desired level by selecting between cooling and heating modes RT SPT o c 3 2 1 0 1 2 3 ON OFF ON OFF H M L OFF L OFF ON OFF ON OFF...

Страница 87: ...ry 15 min of continuous COMP operation When Dry is OFF the COMP is forced ON for 6 min longer than the 3 min Min COMP On time after every 15 min of continuous COMP OFF time When Dry is changed from ON...

Страница 88: ...FAN stop for 10 min minimum Notes When J7 is closed connected OFAN cycling is cancelled and the set temperature for COMP OFAN cut out and cut in are changed COMP OFAN are forced OFF when ICT 6o c and...

Страница 89: ...IFAN OPER LED 52 55 61 66 L COMP is forced OFF OFAN is forced ON IFAN forced to LOW 68 OFAN follow operation of COMP COMP is forced OFF OFAN is forced ON For all models except WAX P2000 For WAX P2000...

Страница 90: ...g COMP RV operation Scope This new deicer is designed to operate at extreme temp conditions The deicing cycle could be triggered from 1 OCT temp and time between two consecutive deicing cycles 2 Detec...

Страница 91: ...Low Speed BLINK ON OPER LED Notes At the rst COMP activation after SB or OFF if OCT 0o c then DI 10 min else DI 40 min In the following Deicing cycles the time interval between two Deicing cycles act...

Страница 92: ...force Off COMP is forced OFF For all models except WAX For WAX model ON BLINK OPER LED Notes IFAN HE1 and HE2 will be activated according to the relevant Heating Mode Sect In case of any malfunction i...

Страница 93: ...dicator is blinked to indicate the situation The LED keeps blinking until the timer settings can be reloaded from a R C message Note If all timers are inactive the system will not be forced OFF after...

Страница 94: ...e according to the following table Forced operation mode Pre set Temp for WMZ WMF WNG models Cooling 22 C Heating 28 C Note While under the forced operation the temperature compensation schedule The f...

Страница 95: ...R function Therefore the TIMER LED is activated similar to TIMER function 12 12 1 Adjustment in Sleep Mode 1 in cool auto cool or dry modes the SPT adjustment is positive from 0 to 3o c 2 In heat or a...

Страница 96: ...o the starting of Sleep the Sleep time is extended And instead of going to SB at the 7th hour the A C will work until reaching the Off time Case 3 is an exception to case 2 The Sleep Mode will not be...

Страница 97: ...BUTTON INDOOR FAN SPEED TEST SELF TEST FLOW CHART Step 1 Step 2 Step 3 FOR CONTROLLER VERSION 4V5 OR HIGHER COOL HEAT COMPRESSOR OUTDOOR FAN R V LOW MEDIUM HIGH TIMER OPERATE STANDBY BUZZER TEST ONE...

Страница 98: ...de LOW IFAN no I FEEL Sleep or any other timer settings Uncover the remote control IR transmitter and change the temperature settings If the display indoor unit receive the settings properly the follo...

Страница 99: ...utomatically f STEP 6 FREQUENCY TESTING If the frequency measuring process fails the COOL LED will turn ON In order to move to the next step press ON OFF button on the remote control g STEP 7 INPUT TE...

Страница 100: ...or 60 sec Values of Sensors Temperature VS Voltage DC Temp C Voltage V Temp C Voltage V Temp C Voltage V Temp C Voltage V 20 4 554 2 3 744 24 2 555 46 1 487 19 4 529 3 3 695 25 2 5 47 1 447 18 4 502 4...

Страница 101: ...to announce that a R C infrared signal has been received and stored Blinks continuously during OCT High Pressure Protection Mode ICT High Pressure Protection Mode Deicing in Heating Mode Water Over Fl...

Страница 102: ...A C STATE before clock is changed CLOCK STATE before clock is changed CLOCK ACTION clock is changed A C NEW STATE after clock is changed ON 1 0 OFF OFF 0 1 ON OFF by interrupt 1 1 0 OFF ON by interrup...

Страница 103: ...the main P C B If there is voltage replace capacitor or motor 5 The outdoor fan does not function correctly Check the voltage between out door fan terminals on the main P C B There is voltage between...

Страница 104: ...r faulty Motor windings are shorted Check voltage repair wiring if necessary Check fan wheel if it is tight enough on motor shaft tighten if necessary 13 Partial limited air supply at indoor unit Lack...

Страница 105: ...14 1 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 EXPLODED VIEWS AND SPARE PARTS LISTS 14 1 R22 R407C 14 1 1 Indoor Unit WMZ 7 9 12 WMZ...

Страница 106: ...assy 1 8 20 May 03 Active 436561 Mount Bracket 1 9 09 Aug 02 Active 436528 LATCH tubing 1 10 09 Aug 02 Active 412040 Remote controller RC5 RC 975 630 00 1 11 09 Aug 02 Active 4520535 Remote controller...

Страница 107: ...ay 03 Active 436561 Mount Bracket 1 9 09 Aug 02 Active 436528 LATCH tubing 1 10 09 Aug 02 Active 412040 Remote controller RC5 RC 975 630 00 1 11 09 Aug 02 Active 4520535 Remote controller RC 1A ELECTR...

Страница 108: ...ay 03 Active 436561 Mount Bracket 1 9 09 Aug 02 Active 436528 LATCH tubing 1 10 09 Aug 02 Active 412040 Remote controller RC5 RC 975 630 00 1 11 09 Aug 02 Active 4520535 Remote controller RC 1A ELECTR...

Страница 109: ...14 5 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 5 Indoor Unit WMZ 17 22...

Страница 110: ...et assy WMN2 1 7 12 Mar 04 Active 436728 Rear panel assy WMN2 1 8 12 Mar 04 Active 436548 Mount Bracket WMN2 1 9 12 Mar 04 Active 436439 tubing clamp WMN2 1 10 12 Mar 04 Active 438600 Remote controlle...

Страница 111: ...8 Mar 04 Active 436721 Air outlet assy WMN2 1 7 18 Mar 04 Active 436728 Rear panel assy WMN2 1 8 18 Mar 04 Active 436548 Mount Bracket WMN2 1 9 18 Mar 04 Active 436439 tubing clamp WMN2 1 10 18 Mar 04...

Страница 112: ...14 8 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 8 Outdoor Unit GCZ 7 9 12 ST R22...

Страница 113: ...g 02 29 Dec 03 455000505 Compressor Capacitor With Screw 1 15 29 Dec 03 Active 4521160 Compressor assy 44R193A 1 16 09 Aug 02 Active 4513974 Nut M8 1 17 09 Aug 02 13 Mar 03 4510677 Nut With Flange M8...

Страница 114: ...ug 02 29 Dec 03 455000504 Compressor Capacitor With Screw 1 15 29 Dec 03 Active 4521161 Compressor assy 44253A 1 16 09 Aug 02 Active 4513974 Nut M8 1 17 09 Aug 02 13 Mar 03 4510677 Nut With Flange M8...

Страница 115: ...15 09 Aug 02 29 Dec 03 455000503 Compressor Capacitor With Screw 1 15 29 Dec 03 Active 4521162 Compressor assy 48R343A 1 16 09 Aug 02 Active 4513974 Nut M8 1 17 09 Aug 02 13 Mar 03 4510677 Nut With F...

Страница 116: ...14 12 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 12 Outdoor Unit GCZ 17 ST R22...

Страница 117: ...10 Oct 03 4517974 NUT GB6187 86 M5 3CYC00004 3 15 10 Oct 03 Active 4513801 Antivibration rubber ring 1 16 10 Oct 03 10 Oct 03 4517975 Rubber foot 4CYC00008 3 16 10 Oct 03 Active 4516766 PAINTED VALVE...

Страница 118: ...14 14 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 14 Outdoor Unit GCZ 22 ST R22...

Страница 119: ...5 14 Apr 04 Active 4517291 LOW PRESS VALVE 1 16 14 Apr 04 Active 4524199 Discharge tube 1 1 17 14 Apr 04 Active 436357 R lifter 1 18 14 Apr 04 Active 4523716 Suction tube 1 19 14 Apr 04 Active 4525434...

Страница 120: ...14 16 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 16 Outdoor Unit GCZ 7 RC R22...

Страница 121: ...ssor Capacitor With Screw 1 15 29 Dec 03 Active 4521160 Compressor assy 44R193A 1 16 09 Aug 02 Active 4513974 Nut M8 1 17 09 Aug 02 13 Mar 03 4510677 Nut With Flange M8 D 24 3 17 13 Mar 03 Active 4521...

Страница 122: ...14 18 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 18 Outdoor Unit GCZ 9 RC R22...

Страница 123: ...03 29 Dec 03 455000504 Compressor Capacitor With Screw 1 15 29 Dec 03 Active 4521161 Compressor assy 44253A 1 16 09 Aug 02 Active 4513974 Nut M8 1 17 09 Aug 02 13 Mar 03 4510677 Nut With Flange M8 D 2...

Страница 124: ...14 20 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 20 Outdoor Unit GCZ 12 RC R22...

Страница 125: ...09 Aug 02 29 Dec 03 455000503 Compressor Capacitor With Screw 1 15 29 Dec 03 Active 4521162 Compressor assy 48R343A 1 16 09 Aug 02 Active 4513974 Nut M8 1 17 09 Aug 02 13 Mar 03 4510677 Nut With Flang...

Страница 126: ...14 22 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 22 Outdoor Unit GCZ 17 RC R22...

Страница 127: ...r 04 455000108 Double patch Capacitor for fan 1 18 08 Apr 04 Active 4514588 5 Poles terminal block 1 19 08 Apr 04 Active 236179 2 Poles terminal block 1 20 08 Apr 04 Active 204107 Cable clip Nylon 1 2...

Страница 128: ...14 24 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 24 Outdoor Unit GCZ 22 RC R22...

Страница 129: ...be 2 1 15 09 Aug 02 Active 4513801 Antivibration rubber ring 1 16 09 Aug 02 Active 4515648 Discharge tube1 1 17 09 Aug 02 Active 4521210 Muffler 1 18 09 Aug 02 Active 4515610 Low press valve 1 19 09 A...

Страница 130: ...14 26 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 26 Outdoor Unit GCZ 7 9 ST R407C...

Страница 131: ...citor 35uF With Screw 1 13 29 Dec 03 Active 4520670 COMPR ASSY PG135X1C 4DT2 TOSHIBA 1 14 09 Aug 02 Active 4513974 Nut M8 3 15 09 Aug 02 13 Mar 03 4510677 Nut With Flange M8 D 24 3 15 13 Mar 03 Active...

Страница 132: ...itor 35uF With Screw 1 13 29 Dec 03 Active 4520798 COMPRESSOR ASSY PG170X1C 4FS2 TOSHIBA 1 14 09 Aug 02 Active 4513974 Nut M8 3 15 09 Aug 02 13 Mar 03 4510677 Nut With Flange M8 D 24 3 15 13 Mar 03 Ac...

Страница 133: ...14 29 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 29 Outdoor Unit GCZ 7 9 RC R407C...

Страница 134: ...4517992 Cap 25uF 450V 1 15 09 Aug 02 29 Dec 03 455000502 Compressor Capacitor 35uF With Screw 1 15 29 Dec 03 Active 4520670 COMPR ASSY PG135X1C 4DT2 TOSHIBA 1 16 09 Aug 02 Active 4513974 Nut M8 3 17...

Страница 135: ...Active 4517992 Cap 25uF 450V 1 15 09 Aug 02 29 Dec 03 455000502 Compressor Capacitor 35uF With Screw 1 15 29 Dec 03 Active 4520798 COMPRESSOR ASSY PG170X1C 4FS2 TOS 1 16 09 Aug 02 Active 4513974 Nut M...

Страница 136: ...14 32 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 32 Outdoor Unit GCZ 12 ST R407C...

Страница 137: ...assy PG225X2C 4FS 1 15 19 Nov 05 19 Nov 05 4523418 Compressor assy PG215X2C 4FS 1 15 19 Nov 05 Active 4513974 Nut M8 3 16 18 Feb 03 Active 391498 Wire assy 1 17 18 Feb 03 Active 4516358 Terminal Cover...

Страница 138: ...14 34 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 34 Outdoor Unit GCZ 12 RC R407C...

Страница 139: ...or Capacitor With Screw 1 15 29 Dec 03 Active 4519933 Compressor assy PG225X2C 4FS 1 16 18 Feb 03 Active 4513974 Nut M8 3 17 18 Feb 03 Active 391498 Wire assy 1 18 18 Feb 03 Active 4516358 Terminal Co...

Страница 140: ...14 36 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 36 OUtdoor Unit GCZ 17 ST R407C...

Страница 141: ...Poles terminal block 1 16 08 Apr 04 Active 204107 Cable clip Nylon 1 17 08 Apr 04 Active 452852200 Condenser outlet pipe 1 18 08 Apr 04 Active 4519785 Capillary 1 3 2 1 9 1000 1 19 08 Apr 04 Active 4...

Страница 142: ...14 38 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 38 Outdoor Unit GCZ 17 RC R407C...

Страница 143: ...r 04 452799500 Control box 1 15 03 Mar 04 Active 4520604 Comp Assy ZR24K3 PFJ 522 1 16 08 Oct 03 Active 4517345 COMPRESSOR WIRE ASSY 2 5mm2 1 17 08 Oct 03 Active 4516767 VALVE PLATE ASSY 1 18 08 Oct 0...

Страница 144: ...14 40 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 40 Outdoor Unit GCZ 22 RC R407C...

Страница 145: ...ive 4520755 Gas Valve OD15 88 R407C 1 18 06 Jan 03 Active 4520754 Liquid Valve OD9 53 R407C 1 19 06 Jan 03 Active 4516766 PAINTED VALVE PLATE ASSY 1 20 06 Jan 03 Active 4514546 Big handle 1 21 06 Jan...

Страница 146: ...lator to be installed on site in case the working conditions are below the standard operating range of the unit in cooling mode The ASK allows working in cooling at low temp up to 10 C for rooms with...

Страница 147: ...15 2 OPTIONAL ACCESSORIES Revision Y05 01 Service Manual WMZ...

Страница 148: ...15 3 OPTIONAL ACCESSORIES Revision Y05 01 Service Manual WMZ...

Страница 149: ...15 4 OPTIONAL ACCESSORIES Revision Y05 01 Service Manual WMZ...

Страница 150: ...15 5 OPTIONAL ACCESSORIES Revision Y05 01 Service Manual WMZ...

Страница 151: ...16 1 APPENDIX A Revision Y05 01 Service Manual WMZ APPENDIX A INSTALLATION AND OPERATION MANUAL INSTALLATION AND OPERATION MANUAL WMZ 7 9 12 INSTALLATION AND OPERATION MANUAL WMZ 17 22...

Страница 152: ...NO ENGLISH AIR CONDITIONER SPLIT WALL MOUNTED CLIMATIZADOR SPLIT MURAL ESPANOL M A N U A L E D I U T I L I Z Z O E D I P R O G R A M M A Z I O N E FRANCAIS 5 CLIMATISEUR SPLIT MURAL KLIMAGERAET IN SPL...

Страница 153: ...auto fan mode Auto cooling heating operation Dry operation Selecting the temperature Sleep function Timer operation Automatic vertical air swing Turning off the air conditioner Current clock time set...

Страница 154: ...nditoning installer observing good regrigeration practice Electrical connections and power cord replacement should only be made by authorized electricians and in accordance with electrical regulations...

Страница 155: ...s and on unit control Horizontal air flow defecting louvers Suction line Liquid line Power cable Control wire Condensate tube Outdoor unit air intake Outdoor unit air outlet Remote control Air outlet...

Страница 156: ...ditioner off automatically when sleeping HOT KEEP In HEATING and in AUTO FAN the fan will be turned off when the compressor is not in operation and will not be restarted unless the indoor coil reaches...

Страница 157: ...positioned for the most suitable blow out angle when COOL HEAT DRY or FAN modes are selected When the air conditioner is turned off the flap will close automatically for an aesthetic appearance VERTIC...

Страница 158: ...IONS AT YOUR FINGERTIPS Aim at the infrared signal receiver on the room air conditioner when operating The remote control signal can be received at a distance of up to about 7m Be sure that there are...

Страница 159: ...o turn on or turn off for COOLING or HEATING without the use of remote control SIGNAL RECEIVER Receive signals from the remote control OPERATION INDICATOR Lights up during operation Blinks once to ann...

Страница 160: ...AUTO COOL HEAT DRY FAN FAN SPEED and AUTO FAN button Room temperature UP button Room temperature DOWN Button SLEEP button Airflow direction AUTO CONTROL button TIMER button TIMER UP button TIMER DOWN...

Страница 161: ...AN by pressing button 3 Select suitable temperature setting By selecting the COOLING mode the air flap will move automatically to air delivery position optimal for cooling COOLING OPERATION WITH AUTO...

Страница 162: ...he AUTO mode by pressing MODE button 2 Switch to the desired FAN SPEED or to AUTO FAN by pressing button 3 Select suitable temperature setting The air flap will automatically move to either horizontal...

Страница 163: ...s Set button 13 to activate the timer Example Operation stops at 18 00 IV CLEAR Use this mode to cancel timer operation Press CLEAR button 14 timer operation will terminate and the LCD display will be...

Страница 164: ...ll display the clock time The last operating set up will be kept for the next operation CURRENT CLOCK TIME SET Clock setting is performed when batteries are inserted The remote control displays the se...

Страница 165: ...hen approaching freezing conditions Resumes operation automatically High outdoor temperature Outdoor coil overheating Stops compressor when approaching over heating conditions Resumes operation automa...

Страница 166: ...e the unit with a soft dry cloth or clean it using a vacuum cleaner Do not use hot water or volatile materials which could damage the surface of the air conditioner AT THE BEGINNING OF THE SEASON Make...

Страница 167: ...from being exposed directly to air drafts During prolonged operation ventilate the room occasionally by opening a window from time to time In a power failure the microprocessor memory is retained Whe...

Страница 168: ...air conditoner Do not insert any objects in the air outlet of the indoor or outdoor units Do not splash water on the air conditioner IF NOISE IS HEARD There may be hissing sound during operation or ju...

Страница 169: ...ntrol malfunctions IR signal does not reach unit Distance between remote control and unit too large or aimed at from improper angle IR receiver on unit exposed to strong light source De icing protecti...

Страница 170: ...DOOR UNITS 3 ELECTRICAL REQUIREMENTS 4 INSTALLATION OF THE INDOOR UNIT 5 CONDENSATE HOSE CONNECTION 6 ELECTRICAL CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITS 7 REFRIGERANT TUBING 8 FINAL TASKS INSTALL...

Страница 171: ...prevent air circulation 2 Do not install the unit near a heat source or where it will be exposed to direct sunlight 3 The location must allow convenient electrical draingage and tubing connections 4...

Страница 172: ...ig 3 Length of electric cable to mains Fig 3 Fig 4 Direction of tubing Fig 4 Fig 5 Fig 5 Fig 6 Fig 6 1 Mounting pads x4 400mm min 100mm min 100mm min 500mm min 100mm min AUTO ON OFF MODE TIMER SET CLE...

Страница 173: ...ew and their caps Fig 7 1 Lift front panel 2 Screw caps 3 Screw 4 Horizontal deflection levers 5 Screws 6 Front panel REFRIGERATION TUBE ROUTING 1 There are five possible routes for installing the ref...

Страница 174: ...SUSPENDING AND RELEASING THE UNIT FROM THE MOUNTING PLATE Fig 11 1 Indoor unit 3 Top hooks 2 Snap catches 4 Botoon hooks Fig 12 1 Mounting plate 3 Lift up 2 Lower hook 4 Pull CONDENSATE HOSE CONNECTIO...

Страница 175: ...3 and connect the win wire cable 6 connector instead 7 connect the other end of the twin wire cable 6 to the outdoor unit twin wire terminal 9 8 Secure the multiple wire power cable with the cable cla...

Страница 176: ...oil Fig 24 1 Suction valve 2 Service port 3 Liquid valve EVACUATION OF THE REFRIGERATION TUBES AND THE INDOOR UNIT After connecting the unions of the indoor and outdoor units puge the air from the tu...

Страница 177: ...between hole sides and tubing with sealer 3 Attach wiring and tubing to the wall with clamps where necessary 4 Operate the air conditioner together with the customer and explain all functions 5 Expla...

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