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10-1

REFRIGERATION DIAGRAMS

Revision Y05-01

Service Manual - WMZ

10. REFRIGERATION

DIAGRAMS

10.1 Heat

Pump

Models

10.1.1

WMZ 7,9 RC R407C and WMZ 9,12 RC R22

tube

C

a

pill

a

ry

tube

C

a

pill

a

ry

S

ensor

Indoor coil

connection

Fl

a

red

Va

lves

port

S

ervice

Co

m

pre

sso

r

v

a

lve

Reverse

S

tr

a

iner

S

tr

a

iner

Outdoor coil

S

ensor

Indoor coil

S

ensor

connection

Fl

a

red

Va

lves

port

S

ervice

Co

m

pre

ss

or

v

a

lve

Reverse

S

tr

a

iner

S

tr

a

iner

Outdoor coil

S

ensor

INDOOR UNIT

OUTDOOR UNIT

HE

A

TING MODE

COOLING MODE

INDOOR UNIT

OUTDOOR UNIT

tube

C

a

pill

a

ry

tube

C

a

pill

a

ry

S

ensor

Indoor coil

connection

Fl

a

red

Va

lves

port

S

ervice

Co

m

pre

sso

r

v

a

lve

Reverse

S

tr

a

iner

S

tr

a

iner

Outdoor coil

S

ensor

Indoor coil

S

ensor

connection

Fl

a

red

Va

lves

port

S

ervice

Co

m

pre

ss

or

v

a

lve

Reverse

S

tr

a

iner

S

tr

a

iner

Outdoor coil

S

ensor

INDOOR UNIT

OUTDOOR UNIT

HE

A

TING MODE

COOLING MODE

INDOOR UNIT

OUTDOOR UNIT

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Summary of Contents for Gcz 12

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

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

Page 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...

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

Page 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...

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

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

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

Page 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...

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

Page 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...

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

Page 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...

Page 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...

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

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

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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