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Electra WMZ Series Service Manual

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Service Manual
REFRIGERANT
R407C
R22
WMZ Series
Indoor Units
WMZ 7
WMZ 9
WMZ 12
WMZ 17
WMZ 22
DECEMBER 2004
Outdoor Units
GCZ 7
GCZ 9
GCZ 12
GCZ 14
GCZ 24
COOLING ONLY
HEAT PUMP

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Summary of Contents for Electra WMZ Series

  • Page 1 Service Manual WMZ Series Indoor Units Outdoor Units WMZ 7 GCZ 7 WMZ 9 GCZ 9 WMZ 12 GCZ 12 WMZ 17 GCZ 14 WMZ 22 GCZ 24 REFRIGERANT R407C COOLING ONLY HEAT PUMP DECEMBER 2004...
  • Page 2 LIST OF EFFECTIVE PAGES LIST OF EFFECTIVE PAGES Note: Changes in the pages are indicated by a “Revision#” in the footer of each effected page (when none indicates no changes in the relevant page). All pages in the following list represent effected/ non effected pages divided by chapters.
  • Page 3 TABLE OF CONTENTS Table of Contents INTRODUCTION ....................1-1 PRODUCT DATA SHEET ..................2-1 RATING CONDITIONS ..................3-1 OUTLINE DIMENSIONS ..................4-1 PERFORMANCE DATA & PRESSURE CURVES ..........5-1 SOUND LEVEL CHARACTERISTICS ..............6-1 ELECTRICAL DATA ....................7-1 WIRING DIAGRAMS .....................8-1 ELECTRICAL CONNECTIONS ................9-1 10. REFRIGERATION DIAGRAMS ................10-1 11.
  • Page 4 INTRODUCTION INTRODUCTION General The new WMZ split wall mounted range comprise the ST (cooling only) and RC (heat pump) models, as follows: • Cooling Only WMZ 7ST, WMZ 9ST, WMZ 12ST, WMZ 17ST, WMZ 22ST • Heat Pump WMZ 7RC, WMZ 9RC, WMZ 12RC, WMZ 17RC, WMZ 22RC The indoor WMZ units are available as LED display types only, featuring esthetic design, compact dimensions, and low noise operation.
  • Page 5 Advanced electronic control box assembly • Interconnecting wiring terminal block • Mounting plate Filtration The WMZ series presents several types of air filters: • Easily accessible, and re-usable pre-filters (mesh) • Pre-charged electrostatic filter (disposable) – optional • Active carbon filter (disposable) – optional...
  • Page 6 INTRODUCTION Tubing Connections Flare type interconnecting tubing to be produced on site. For further details please refer to the Installation Manual, Appendix A. Accessories ASK (All Season Kit): For low ambient working conditions in cooling, an ASK can be installed inside the outdoor unit.
  • Page 7 PRODUCT DATA SHEET PRODUCT DATA SHEET R407C Model Indoor Unit WMZ-7 Model Outdoor Unit GCZ-7 Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 6860 6860 7640 Capacity 2.01 2.01 2.24 Power input 0.77 0.77 0.72 EER (Cooling) or COP(Heating) 2.61 2.61 3.11...
  • Page 8 PRODUCT DATA SHEET Model Indoor Unit WMZ-9 Model Outdoor Unit GCZ-9 Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 8700 8700 9380 Capacity 2.55 2.55 2.75 Power input 1.05 1.05 1.02 EER (Cooling) or COP(Heating) 2.43 2.43 Energy efficiency class Power supply...
  • Page 9 PRODUCT DATA SHEET Model Indoor Unit WMZ-12 Model Outdoor Unit GCZ-12 Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 10610 10610 11430 Capacity 3.11 3.11 3.35 Power input 1.25 1.25 1.28 EER (Cooling) or COP(Heating) 2.49 2.49 2.62 Energy efficiency class...
  • Page 10 PRODUCT DATA SHEET Model Indoor Unit WMZ-17 Model Outdoor Unit GCZ-17 Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 17740 18080 18770 Capacity Power input 1.99 2.03 1.95 EER (Cooling) or COP(Heating) 2.61 2.61 2.82 Energy efficiency class Power supply V/Ph/Hz 230V/Single/50Hz...
  • Page 11 PRODUCT DATA SHEET Model Indoor Unit WMZ-22 Model Outdoor Unit GCZ-22 Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 23030 22310 23820 Capacity 6.75 6.54 6.98 Power input 2.52 2.66 EER (Cooling) or COP(Heating) 2.68 2.52 2.62 Energy efficiency class Power supply...
  • Page 12 PRODUCT DATA SHEET Model Indoor Unit WMZ-7 Model Outdoor Unit GCZ-7 Installation Method of Pipe Flared Characteristics Units cooling only Cooling Heating Btu/hr 7370 7370 7680 Capacity 2.16 2.16 2.25 Power input 0.78 0.78 0.70 EER (Cooling) or COP(Heating) 2.77 2.77 3.21 Energy efficiency class...
  • Page 13 PRODUCT DATA SHEET Model Indoor Unit WMZ-9 Model Outdoor Unit GCZ-9 Installation Method of Pipe Flared Characteristics Units cooling only Cooling Heating Btu/hr 8700 8700 9380 Capacity 2.55 2.55 2.75 Power input 1.00 EER (Cooling) or COP(Heating) 2.55 2.55 2.75 Energy efficiency class Power supply V/Ph/Hz...
  • Page 14 PRODUCT DATA SHEET Model Indoor Unit WMZ-12 Model Outdoor Unit GCZ-12 Installation Method of Pipe Flared Characteristics Units cooling only Cooling Heating Btu/hr 11600 11600 12280 Capacity Power input 1.32 1.32 1.30 EER (Cooling) or COP(Heating) 2.58 2.58 2.77 Energy efficiency class Power supply V/Ph/Hz 230V/Single/50Hz...
  • Page 15 PRODUCT DATA SHEET Model Indoor Unit WMZ-17 Model Outdoor Unit GCZ-17 Installation Method of Pipe Flared Characteristics Units cooling only Cooling Heating Btu/hr 17400 17400 18940 Capacity 5.10 5.55 Power input 1.93 1.95 1.90 EER (Cooling) or COP(Heating) 2.64 2.62 2.92 Energy efficiency class Power supply...
  • Page 16 PRODUCT DATA SHEET Model Indoor Unit WMZ-22 Model Outdoor Unit GCZ-22 Installation Method of Pipe Flared Characteristics Units cooling only Cooling Heating Btu/hr 22690 22310 24530 Capacity 6.65 6.54 7.19 Power input 2.35 2.33 2.46 EER (Cooling) or COP(Heating) 2.83 2.81 2.92 Energy efficiency class...
  • Page 17 RATING CONDITIONS RATING CONDITIONS Standard conditions in accordance with ISO 5151, ISO 13253 (for ducted units) and EN 14511. Cooling: Indoor: C DB 19 C WB Outdoor: 35 C DB Heating: Indoor: C DB Outdoor: 7 C DB 6 C WB Operating Limits 3.1.1 R407C Indoor...
  • Page 18 OUTLINE DIMENSIONS OUTLINE DIMENSIONS WMZ 7, 9, 12, WMZ 17, 22 Service Manual - WMZ Revision Y05-01 CONTENTS CONTENTS...
  • Page 19 OUTLINE DIMENSIONS GCZ 7, 9, 12 GCZ 17 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 20 OUTLINE DIMENSIONS GCZ 22 Service Manual - WMZ Revision Y05-01 CONTENTS CONTENTS...
  • Page 21 PERFORMANCE DATA AND PRESSURE CURVES PERFORMANCE DATA WMZ7 GCZ7 R22 5.1.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27 21/29 23/32...
  • Page 22 PERFORMANCE DATA AND PRESSURE CURVES 5.1.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( °C) ENTERING AIR WB OU COIL ( °C) 1.18 0.56 1.14 0.60 1.09 0.63 1.27 0.57 1.23 0.61...
  • Page 23 PERFORMANCE DATA AND PRESSURE CURVES Pressure Curves. 5.3.1 Cooling. Suction Pressure VS.Outdoor Temp 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Service Manual –...
  • Page 24 PERFORMANCE DATA AND PRESSURE CURVES 5.3.2 Heating. Suction Pressure VS.Outdoor Temp 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Revision YO5-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 25 PERFORMANCE DATA AND PRESSURE CURVES WMZ9 GCZ9 R22 5.4.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27 21/29 23/32 2.60 2.75...
  • Page 26 PERFORMANCE DATA AND PRESSURE CURVES 5.4.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( °C) ENTERING AIR WB OU COIL ( °C) 1.44 0.80 1.39 0.85 1.33 0.90 1.55 0.82 1.50 0.87...
  • Page 27 PERFORMANCE DATA AND PRESSURE CURVES Pressure Curves. 5.6.1 Cooling. Suction Pressure VS.Outdoor Temp 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Service Manual –...
  • Page 28 PERFORMANCE DATA AND PRESSURE CURVES 5.6.2 Heating. Suction Pressure VS.Outdoor Temp 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Revision YO5-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 29 PERFORMANCE DATA AND PRESSURE CURVES WMZ12 GCZ12 R22 5.7.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27 21/29 23/32 3.47 3.67...
  • Page 30 PERFORMANCE DATA AND PRESSURE CURVES 5.7.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( °C) ENTERING AIR WB OU COIL ( °C) 1.89 1.04 1.82 1.11 1.75 1.16 2.03 1.07 1.96 1.12...
  • Page 31 PERFORMANCE DATA AND PRESSURE CURVES Pressure Curves. 5.9.1 Cooling. Discharge Pressure VS.Outdoor Temp 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Suction Pressure VS.Outdoor Temp 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Service Manual –...
  • Page 32 PERFORMANCE DATA AND PRESSURE CURVES 5.9.2 Heating. Suction Pressure VS.Outdoor Temp 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB 5-12 Revision YO5-01 Service Manual - WMZ CONTENTS...
  • Page 33 PERFORMANCE DATA AND PRESSURE CURVES 5.10 WMZ17 GCZ17 R22 5.10.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27 21/29 23/32 5.20...
  • Page 34 PERFORMANCE DATA AND PRESSURE CURVES 5.10.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( °C) ENTERING AIR WB OU COIL ( °C) 2.91 1.52 2.80 1.62 2.69 1.70 3.14 1.56 3.02 1.64...
  • Page 35 PERFORMANCE DATA AND PRESSURE CURVES 5.12 Pressure Curves. 5.12.1 Cooling. Suction Pressure VS.Outdoor Temp 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Service Manual –...
  • Page 36 PERFORMANCE DATA AND PRESSURE CURVES 5.12.2 Heating. Suction Pressure VS.Outdoor Temp 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB 5-16 Revision YO5-01 Service Manual - WMZ CONTENTS...
  • Page 37 PERFORMANCE DATA AND PRESSURE CURVES 5.13 WMZ22 GCZ22 R22 5.13.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27 21/29 23/32 6.67...
  • Page 38 PERFORMANCE DATA AND PRESSURE CURVES 5.13.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( °C) ENTERING AIR WB OU COIL ( °C) 3.77 1.97 3.63 2.10 3.49 2.20 4.06 2.02 3.92 2.13...
  • Page 39 PERFORMANCE DATA AND PRESSURE CURVES 5.15 Pressure Curves. 5.15.1 Cooling. Suction Pressure VS.Outdoor Temp' 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp' 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Service Manual –...
  • Page 40 PERFORMANCE DATA AND PRESSURE CURVES 5.15.2 Heating. Suction Pressure VS.Outdoor Temp' 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp' 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB 5-20 Revision YO5-01 Service Manual - WMZ CONTENTS...
  • Page 41 PERFORMANCE DATA AND PRESSURE CURVES 5.16 WMZ7 GCZ7 R407C 5.16.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27 21/29 23/32 2.05...
  • Page 42 PERFORMANCE DATA AND PRESSURE CURVES 5.16.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( °C) ENTERING AIR WB OU COIL ( °C) 1.18 0.58 1.13 0.61 1.09 0.64 1.27 0.59 1.22 0.62...
  • Page 43 PERFORMANCE DATA AND PRESSURE CURVES 5.18 Pressure Curves. 5.18.1 Cooling. Suction Pressure VS.Outdoor Temp' 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp' 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Service Manual –...
  • Page 44 PERFORMANCE DATA AND PRESSURE CURVES 5.18.2 Heating. Suction Pressure VS.Outdoor Temp' 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp' 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB 5-24 Revision YO5-01 Service Manual - WMZ CONTENTS...
  • Page 45 PERFORMANCE DATA AND PRESSURE CURVES 5.19 WMZ9 GCZ9 R407C 5.19.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27 21/29 23/32 2.60...
  • Page 46 PERFORMANCE DATA AND PRESSURE CURVES 5.19.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( °C) ENTERING AIR WB OU COIL ( °C) 1.44 0.82 1.39 0.87 1.33 0.91 1.55 0.84 1.50 0.88...
  • Page 47 PERFORMANCE DATA AND PRESSURE CURVES 5.21 Pressure Curves. 5.21.1 Cooling. Suction Pressure VS.Outdoor Temp' 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp' 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Service Manual –...
  • Page 48 PERFORMANCE DATA AND PRESSURE CURVES 5.21.2 Heating. Suction Pressure VS.Outdoor Temp' 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp' 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB 5-28 Revision YO5-01 Service Manual - WMZ CONTENTS...
  • Page 49 PERFORMANCE DATA AND PRESSURE CURVES 5.22 WMZ12 GCZ12 R407C 5.22.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27 21/29 23/32 3.17...
  • Page 50 PERFORMANCE DATA AND PRESSURE CURVES 5.22.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( °C) ENTERING AIR WB OU COIL ( °C) 1.76 1.02 1.69 1.09 1.62 1.15 1.89 1.05 1.83 1.11...
  • Page 51 PERFORMANCE DATA AND PRESSURE CURVES 5.24 Pressure Curves. 5.24.1 Cooling. Suction Pressure VS.Outdoor Temp' 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp' 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Service Manual –...
  • Page 52 PERFORMANCE DATA AND PRESSURE CURVES 5.24.2 Heating. Suction Pressure VS.Outdoor Temp' 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp' 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB 5-32 Revision YO5-01 Service Manual - WMZ CONTENTS...
  • Page 53 PERFORMANCE DATA AND PRESSURE CURVES 5.25 WMZ17 GCZ17 R407C 5.25.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27 21/29 23/32 5.41...
  • Page 54 PERFORMANCE DATA AND PRESSURE CURVES 5.25.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( °C) ENTERING AIR WB OU COIL ( °C) 2.89 1.56 2.78 1.66 2.67 1.75 3.11 1.60 3.00 1.69...
  • Page 55 PERFORMANCE DATA AND PRESSURE CURVES 5.27 Pressure Curves. 5.27.1 Cooling. Suction Pressure VS.Outdoor Temp' 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp' 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Service Manual –...
  • Page 56 PERFORMANCE DATA AND PRESSURE CURVES 5.27.2 Heating. Suction Pressure VS.Outdoor Temp' 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp' 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB 5-36 Revision YO5-01 Service Manual - WMZ CONTENTS...
  • Page 57 PERFORMANCE DATA AND PRESSURE CURVES 5.28 WMZ22 GCZ22 R407C 5.28.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27 21/29 23/32 6.67...
  • Page 58 PERFORMANCE DATA AND PRESSURE CURVES 5.28.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( °C) ENTERING AIR WB OU COIL ( °C) 3.66 2.13 3.52 2.27 3.39 2.38 3.94 2.18 3.80 2.30...
  • Page 59 PERFORMANCE DATA AND PRESSURE CURVES 5.30 Pressure Curves. 5.30.1 Cooling. Suction Pressure VS.Outdoor Temp' 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp' 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) Outdoor Temp.(DB Service Manual –...
  • Page 60 PERFORMANCE DATA AND PRESSURE CURVES 5.30.2 Heating. Suction Pressure VS.Outdoor Temp' 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp' 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB 5-40 Revision YO5-01 Service Manual - WMZ CONTENTS...
  • Page 61 SOUND LEVEL CHARACTERISTICS SOUND LEVEL CHARACTERISTICS Sound Pressure Level Figure 1. Wall Mounted Figure 2. Floor Mounted 2. Floor Mounted Figure 3. Ducted Figure 4. Cassette Figure Figure re 4. Casset Soud Pressure Level Spectrum (Measured as Figure 1) pectrum (Measured m (Me WMZ 7 WMZ 9...
  • Page 62 SOUND LEVEL CHARACTERISTICS Outdoor units MODEL SPL dB(A) SPW dB(A) Indoor Outdoor Cooling/Heating Cooling/Heating WMZ 7 GCZ 7 53/53 63/63 WMZ 9 GCZ 9 56/56 66/66 WMZ 12 GCZ 12 58/58 68/68 8/68 WMZ 17 GCZ 17 56/56 66/66 66/66 WMZ 22 GCZ 22 61/61...
  • Page 63 ELECTRICAL DATA ELECTRICAL DATA Single Phase Units MODEL WMZ 7 WMZ 12 WMZ 9 To indoor To indoor To indoor Power Supply 1PH-230V-50Hz 1PH-230V-50Hz 1PH-230V-50Hz Max Current, A Circuit Breaker Power Supply Wiring 3x1.0 mm 3x1.5 mm 3x1.0 mm No. X Cross Section mm 5x1.0 mm +2x0.5 mm 5x1.5 mm...
  • Page 64 WIRING DIAGRAMS WIRING DIAGRAMS Indoor Unit WMZ 7,9,12 Indoor Unit WMZ 17,22 Service Manual - WMZ Revision Y05-01 CONTENTS CONTENTS...
  • Page 65 WIRING DIAGRAMS Outdoor Unit GCZ 7,9,12,17 Outdoor Unit GCZ 22 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 66 ELECTRICAL CONNECTIONS ELECTRICAL CONNECTIONS WMZ 7,9,12,17,22 Service Manual - WMZ Revision Y05-01 CONTENTS CONTENTS...
  • Page 67 REFRIGERATION DIAGRAMS REFRIGERATION DIAGRAMS 10.1 Heat Pump Models 10.1.1 WMZ 7,9 RC R407C and WMZ 9,12 RC R22 OUTDOOR UNIT OUTDOOR UNIT INDOOR UNIT INDOOR UNIT Service Sensor port Service Sensor port Sensor Sensor Flared Valves Flared connection Reverse Valves connection Reverse valve...
  • Page 68 REFRIGERATION DIAGRAMS 10.1.2 WMZ12,17,22 RC R407C and WMZ 7, 17, 22 R22 OUTDOOR UNIT OUTDOOR UNIT INDOOR UNIT INDOOR UNIT Service Sensor port Service Sensor port Sensor Sensor Flared Valves connection Reverse Flared Valves valve connection Reverse valve Capillary tube Capillary Capillary Indoor coil...
  • Page 69 REFRIGERATION DIAGRAMS 10.2 Cooling Only Models 10.2.1 WMZ 7, 9, 12, 17, 22 RC R407C and R22 OUTDOOR UNIT OUTDOOR UNIT INDOOR UNIT INDOOR UNIT Service Service Sensor port Sensor port Sensor Sensor Flared Valves Flared connection Valves connection Capillary Indoor coil Capillary Indoor coil...
  • Page 70 TUBING CONNECTIONS TUBING CONNECTIONS TUBE (Inch) ¼” ⅜” ½” ⅝” ¾” TORQUE (Nm) Flare Nuts 11-13 40-45 60-65 70-75 80-85 Valve Cap 13-20 13-20 18-25 18-25 40-50 Service Port Cap 11-13 11-13 11-13 11-13 11-13 Valve Protection Cap-end Refrigerant Valve Port (use Allen wrench to open/close) Valve Protection Cap Refrigerant Valve Service Port Cap...
  • Page 71 CONTROL SYSTEM CONTROL SYSTEM WMZ 7-22 12.1 Electronic Control 12.1.1 Introduction The electronic control information 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. •...
  • Page 72 CONTROL SYSTEM 12.2 Legend - Alternate Current - Air-Conditioner - ON or OFF status CLOCK - ON/OFF Operation Input, (dry contact) COMP - Compressor - Central Processing Unit ELUM - Extended Louver Upward Movement (Software Jumper) E²PROM, EEP - Erase Enable Programmable Read Only Memory - Heating Element - High Pressure Control - Hardware...
  • Page 73 CONTROL SYSTEM 12.3 Main PCB Controller 12.3.1 WMZ 7-22 (LEXAN) WMZ 7-22 Display PCB STBY LED RECIVER STBY LED RECIVER MODE BUTTON OPR’ LED MODE BUTTON OPR’ LED Service Manual - WMZ Revision Y05-01 12-3 CONTENTS CONTENTS...
  • Page 74 CONTROL SYSTEM 12.4 General functions 12.4.1 COMP operation For each Mode including POWER OFF & SB, a Min time delay of 3 min before COMP restarting, excluding DEICING Mode The Min operation time of COMP under different operating conditions is Min operation time of Operation Mode COMP...
  • Page 75 CONTROL SYSTEM 12.4.5 Protections • High pressure protection is applicable to all operating modes. • Deicing control is valid in Heat and Auto Heat Mode only. • Defrosting control is valid in Dry, Cool, Heat and Auto Modes. • No reset after protection modes. 12.4.6 Thermistors operation •...
  • Page 76 CONTROL SYSTEM 12.4.6.2 Handling the thermistor faults in a COMP unit ICT/OCT thermistor is disconnected or shorted - The invalid thermistor temperature is replaced by 43 c, so that the unit can continue the normal operation. All protections related to that faulty thermistor will be disabled.
  • Page 77 CONTROL SYSTEM 12.5 Cooling Mode - General Room Temperature, RT, is detected by • RAT in normal operation, or • RCT (R/C sensor) in I-FEEL mode. The resolution of RT is 1 • RT is activating COMP/WVL if (RT > SPT), and •...
  • Page 78 CONTROL SYSTEM Fan: HIGH, MED, LOW Timer: Any I Feel: On or Off Control function Maintains room temp at desired level by comparing RT and SPT. (RT - SPT) [ COMP (WVL) OFAN USER FAN SPEED IFAN Note: 1) IFAN is always running at High, Medium or Low speed selected by user. 2) In IFEEL mode, the Room Temperature (RT) is the RCT from a R/C.
  • Page 79 CONTROL SYSTEM 12.5.2 Cooling with Autofan 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 comfort. (RT - SPT) [ COMP (WVL)
  • Page 80 CONTROL SYSTEM 12.6 Heating Mode 12.6.1 Heating Mode - General • In heating Mode, temp. compensation schedule will be activated for wall mounted units. Add to SPT SPT [ I-FEEL ON I-FEEL OFF 18 ≤ SPT ≤ 27 27 < SPT ≤ 30 Notes : •...
  • Page 81 CONTROL SYSTEM 12.6.3 HE operation • For all Groups, HE can be ON only when IFAN is ON. • For all Groups, HE switches to OFF when ICT > 50 c, and is activated again when ICT ≤ 45 • In SH or RC group, HE operation is limited by the following graph: General : ICT [...
  • Page 82 CONTROL SYSTEM 12.6.4 Heating, RC or SH Group Mode: 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) [ COMP (WVL)
  • Page 83 CONTROL SYSTEM 12.6.5 Heating, RC or SH Group with 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) [ COMP (WVL)
  • Page 84 CONTROL SYSTEM 12.6.6 OFAN operation is controlled by the graph below when 1. (RAT ≥ SPT – 2 c), AND 2. (ICT ≥ 45 c), AND 3. (COMP is ON) Otherwise, OFAN runs together with COMP. OCT [ OFAN Revision Y05-01 Service Manual - WMZ 12-14 CONTENTS...
  • Page 85 CONTROL SYSTEM 12.7 Automatic Cooling or Heating 12.7.1 Automatic Cooling or Heating - General • Switching-temperature between Cooling and Heating is SPT ± 3 • Autofan in Automatic Cooling and Heating Mode will activate “Cooling with Autofan Mode” and “Heating with Autofan Mode” respectively. •...
  • Page 86 CONTROL SYSTEM 12.7.2 Auto Cooling or Heating, RC or SH Groups Mode: Auto Temp: Selected desired temperature Fan: Timer: Any I Feel: On or Off Control function Maintains room temp at desired level by selecting between cooling and heating modes. (RT - SPT) [ Auto Heat Mode Auto Cool Mode...
  • Page 87 CONTROL SYSTEM 12.8 Dry Mode 12.8.1 Dry, ST or RC group Mode: Dry Temp: Selected desired temp Fan: Low (automatically selected by software) Timer: Any I FEEL: Control function Reduce room humidity with minimum temp. fluctuations by operating in Cool Mode with low speed IFAN.
  • Page 88 CONTROL SYSTEM 12.9 Protection 12.9.1 Cooling Mode Protections Indoor Coil Defrost Mode: Cooling, Dry, Auto Temp: Selected desired temp. Fan: Timer: Any I Feel: On or Off Control Function Protect the indoor coil from ice formation at low ambient temperature. ICT [ OFAN COMP...
  • Page 89 CONTROL SYSTEM 12.3.2 High Pressure Protection Mode: (Auto) Cooling or Dry Temp: Selected desired temp. Fan: Timer: Any I Feel: On or Off Control Function To protect the COMP from the high pressure built-up in the outdoor coil during normal cooling operation, by switching OFF the IFAN and COMP.
  • Page 90 CONTROL SYSTEM 12.9.3 Heating Mode Protections Outdoor coil Deicing (excluding RH Group) Mode: Heating, Auto (at heating) Temp: Selected desired Temp Fan: Timer: Any I FEEL: Control function Protects the Outdoor coil from ice formation by controlling COMP & RV operation. Scope This new deicer is designed to operate at extreme temp conditions.
  • Page 91 CONTROL SYSTEM Deicing procedure OCT [ (DDT) 3 min 3 min max 12 min. COMP DI (note 1) DI (note 2) OFAN IFAN is forced to Low Speed IFAN HEs are forced ON IFAN Note 3 HEs are forced OFF OPER BLINK Notes :...
  • Page 92 CONTROL SYSTEM 12.9.4 High pressure protection (excluding RH Group) Mode: (Auto) Heating Fan: Timer: Any I Feel: On or Off Control Function Protect the Compressor from high pressure by switching OFF the OFAN and COMP. ICT [ For all models except WAX For WAX model COMP COMP is forced OFF...
  • Page 93 CONTROL SYSTEM 12.10 Timer Mode: Any Temp. Selected desired temp Fan: Timer: Timer On, Timer Off I Feel: On or Off Control function • Starts or stops the unit operation after pre-set time. If RC-1 is used, the timer setting will be (0.5 - 24 Hr) from the moment the timer is set. The minimum resolution is 30 minutes.
  • Page 94 CONTROL SYSTEM 12.11 Forced Operation Forced operation allows units to start, stop and operate in Cooling or Heating in pre-set temperature according to the following table: Pre-set Temp for : Forced operation mode WMZ, WMF,WNG models Cooling 22°C Heating 28°C Note: •...
  • Page 95 CONTROL SYSTEM 12.12 Sleep Mode Mode: Any Temp: Set – desired temperature selected Fan: Timer: Interact with Sleep Timer as described in sect 12.2 I Feel: On or Off The Sleep mode is activated by using the sleep button on the R/C. In Sleep Mode, the unit will automatically adjust the SPT to turn up/down the room temperature (RT) gradually to provide maximum comfort to the user in sleep.
  • Page 96 CONTROL SYSTEM 12.12.2 Time adjustment in Sleep Mode The user can make use of the Off-Timer to extend the Sleep Time from 7 hours to 12 hour (max). The operation of the new “Extended Sleep Mode” is illustrated by the graphs below.
  • Page 97 CONTROL SYSTEM 12.13 Controller Self-Test Procedure 12.13.1 By Shorting Test Jumper J1 SELF-TEST FLOW CHART FOR CONTROLLER (VERSION 4V5 OR HIGHER) SHORT JUMPER Step 1 RC/ST TEST (CONTROL PCB) MODEL CONFIGURATION TEST PRESS ON Step 2 POWER STEP MOTOR TEST BUTTON FREQUENCY TEST...
  • Page 98 CONTROL SYSTEM 12.13.2 By Remote Control Settings: 1: TURNING ON THE POWER. Turn ON the power, make sure that the unit is in operation. STEP 2 : ENABLE SELF-TEST MODE • Use the remote control to send the first settings to display / indoor unit HEAT mode, HIGH IFAN, set temperature to 16 ºC, no I-FEEL Sleep or any other timer settings are needed.
  • Page 99 CONTROL SYSTEM STEP 4 : AUTO LED WALK TEST. • All the LEDS will turn OFF. • All the LEDS will turn ON for 1 second one by one in the following sequence: STAND-BY OPERATE TIMER FILTER COOL HEAT. • In PRX all the LEDS will turn ON for 1 second one by one in the following sequence : 18 °c 20 °c...
  • Page 100 CONTROL SYSTEM Fail condition: 0 sec - STAND-BY is turned ON 3 sec - STAND-BY, OPER, TIMER and FILTER are turned ON • When the timing reset test is completed, the next test will start automatically. STEP 9: MEMORY TEST (EEPROM) •...
  • Page 101 CONTROL SYSTEM 12.14 On Unit Indicators and Controls Lights up when the Air Conditioner is connected to power and STAND BY ready to receive the R/C commands INDICATOR Blinks continuously in case of any thermistor failure. Lights up during operation. Blinks for 300 ms, to announce that a R/C infrared signal has been received and stored.
  • Page 102 CONTROL SYSTEM 12.15 Clock Random Delay From 0 to 2.5 seconds Clock Switch Open Clock Switch close The Clock is activate according to the following table: A/C STATE CLOCK STATE CLOCK ACTION A/C NEW STATE (clock is changed) (after clock is changed) before clock is changed) before clock is changed) OFF by...
  • Page 103 TROUBLESHOOTING TROUBLESHOOTING SYMPTON PROBABLE CAUSE CORRECTIVE ACTION The stand-by There is no correct voltage -If the voltage is low repair power indicator (red led) between the line and neutral supply. on the central terminals on main P.C.B control display -If there is no voltage repair panel doesn’t light general wiring.
  • Page 104 TROUBLESHOOTING SYMPTON PROBABLE CAUSE CORRECTIVE ACTION No cooling or Outdoor fan motor faulty or -Replace P.C.B. heating only other fault caused, compressor -Outdoor fan blocked remove indoor fan works. overload protection cut out. obstructions. Only indoor fan Outdoor fan blocked. -Remove obstructions.
  • Page 105 EXPLODED VIEWS AND SPARE PARTS LISTS EXPLODED VIEWS AND SPARE PARTS LISTS 14.1 R22/R407C 14.1.1 Indoor Unit WMZ 7, 9, 12 Service Manual - WMZ Revision Y05-01 14-1 CONTENTS CONTENTS...
  • Page 106 Mount Bracket 09-Aug-02 Active 436528 LATCH tubing 09-Aug-02 Active 412040 Remote controller RC5-RC 975-630-00 09-Aug-02 Active 4520535 Remote controller RC-1A ELECTRA 971- 09-Aug-02 25-Apr-04 436052 Motor step 09-Aug-02 Active 436518 Step motor housing 09-Aug-02 Active 452837300 WMZ Controller DST-5 10V5 916-055-10 MIU...
  • Page 107 Mount Bracket 09-Aug-02 Active 436528 LATCH tubing 09-Aug-02 Active 412040 Remote controller RC5-RC 975-630-00 09-Aug-02 Active 4520535 Remote controller RC-1A ELECTRA 971- 09-Aug-02 25-Apr-04 436052 Motor step 09-Aug-02 Active 436518 Step motor housing 09-Aug-02 Active 452837300 WMZ Controller DST-5 10V5 916-055-10 MIU...
  • Page 108 Mount Bracket 09-Aug-02 Active 436528 LATCH tubing 09-Aug-02 Active 412040 Remote controller RC5-RC 975-630-00 09-Aug-02 Active 4520535 Remote controller RC-1A ELECTRA 971- 09-Aug-02 25-Apr-04 436052 Motor step 09-Aug-02 Active 436518 Step motor housing 09-Aug-02 Active 452837300 WMZ Controller DST-5 10V5 916-055-10 MIU...
  • Page 109 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.5 Indoor Unit WMZ 17, 22 Service Manual - WMZ Revision Y05-01 14-5 CONTENTS CONTENTS...
  • Page 110 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.6 Indoor Unit WMZ 17 Drawing Number Effective From Effective To Item Code Item Desc Quantity 4527300 Grille B/WMZ-17,22 12-Mar-04 Active 436432 Filter WMN2 12-Mar-04 Active 436694 Frame assy WMN2 12-Mar-04 10-Aug-04 452826300 Front Frame Assy. 10-Aug-04 Active 4516451...
  • Page 111 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.7 Indoor Unit WMZ 22 Drawing Number Effective From Effective To Item Code Item Desc Quantity 4527299 Grille A/WMZ-17,22 18-Mar-04 Active 436432 Filter WMN2 18-Mar-04 Active 436694 Frame assy WMN2 18-Mar-04 10-Aug-04 452826300 Front Frame Assy. 10-Aug-04 Active 4516511...
  • Page 112 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.8 Outdoor Unit GCZ 7, 9, 12 ST R22 14-8 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 113 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.9 Outdoor Unit GCZ 7 ST R22 Drawing Number Effective From Effective To Item Code Item Desc Quantity 4516158 Cover panel Painting assy 09-Aug-02 Active 4521257 Outdoor grille Painting assy 09-Aug-02 Active 436358 L. lifter 09-Aug-02 Active 4516159...
  • Page 114 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.10 Outdoor Unit GCZ 9 ST R22 Drawing Number Effective From Effective To Item Code Item Desc Quantity 4516158 Cover panel Painting assy 09-Aug-02 Active 4521257 Outdoor grille Painting assy 09-Aug-02 Active 436358 L. lifter 09-Aug-02 Active 4516159...
  • Page 115 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.11 Outdoor Unit GCZ 12 ST R22 Drawing Number Effective From Effective To Item Code Item Desc Quantity 4516158 Cover panel Painting assy 09-Aug-02 Active 4521257 Outdoor grille Painting assy 09-Aug-02 Active 436358 L. lifter 09-Aug-02 Active 4516159...
  • Page 116 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.12 Outdoor Unit GCZ 17 ST R22 14-12 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 117 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.13 Outdoor Unit GCZ 17 ST R22 Drawing Number Effective From Effective To Item Code Item Desc Quantity 372332 Fan cover 10-Oct-03 Active 4516779 PAINTED LEFT CABINET ASSY 10-Oct-03 Active 4516765 PAINTED BASE PAN ASSY 10-Oct-03 10-Oct-03 4518443...
  • Page 118 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.14 Outdoor Unit GCZ 22 ST R22 14-14 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 119 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.15 Outdoor Unit GCZ 22 ST R22 Drawing Number Effective From Effective To Item Code Item Desc Quantity 4517144 FAN COVER PP+UV 14-Apr-04 Active 4517029 PAINTED LEFT CABINET ASSY 14-Apr-04 Active 4516796 BASE PAN ASSY 14-Apr-04 14-Apr-04 4516797...
  • Page 120 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.16 Outdoor Unit GCZ 7 RC R22 14-16 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 121 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.17 Outdoor Unit GCZ 7 RC R22 Drawing Number Effective From Effective To Item Code Item Desc Quantity 4516158 Cover panel Painting assy 09-Aug-02 Active 4521257 Outdoor grille Painting assy 09-Aug-02 Active 436358 L. lifter 09-Aug-02 Active 4516159...
  • Page 122 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.18 Outdoor Unit GCZ 9 RC R22 14-18 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 123 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.19 Outdoor Unit GCZ 9 RC R22 Drawing Number Effective From Effective To Item Code Item Desc Quantity 4516158 Cover panel Painting assy 09-Aug-02 Active 4521257 Outdoor grille Painting assy 09-Aug-02 Active 436358 L. lifter 09-Aug-02 Active 4516159...
  • Page 124 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.20 Outdoor Unit GCZ 12 RC R22 14-20 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 125 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.21 Outdoor Unit GCZ 12 RC R22 Drawing Number Effective From Effective To Item Code Item Desc Quantity 4516158 Cover panel Painting assy 09-Aug-02 Active 4521257 Outdoor grille Painting assy 09-Aug-02 Active 436358 L. lifter 09-Aug-02 Active 4516159...
  • Page 126 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.22 Outdoor Unit GCZ 17 RC R22 14-22 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 127 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.23 Outdoor Unit GCZ 17 RC R22 Drawing Number Effective From Effective To Item Code Item Desc Quantity 433218 Front Panel A 08-Apr-04 Active 433221 Air Inlet Ring-420 08-Apr-04 Active 433223 Painting Insulation Plate 08-Apr-04 Active 4519251...
  • Page 128 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.24 Outdoor Unit GCZ 22 RC R22 14-24 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 129 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.25 Outdoor Unit GCZ 22 RC R22 Drawing Number Effective From Effective To Item Code Item Desc Quantity 4517144 FAN COVER PP+UV 09-Aug-02 Active 4517029 PAINTED LEFT CABINET ASSY 09-Aug-02 Active 4516797 PAINTED BASE PAN ASSY 09-Aug-02 26-Dec-03 4516786...
  • Page 130 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.26 Outdoor Unit GCZ 7, 9 ST R407C 14-26 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 131 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.27 Outdoor Unit GCZ 7 ST R407C Drawing Number Effective From Effective To Item Code Item Desc Quantity 4516158 Cover panel Painting assy 09-Aug-02 Active 4521257 Outdoor grille Painting assy 09-Aug-02 Active 436358 L. lifter 09-Aug-02 Active 4516159...
  • Page 132 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.28 Outdoor Unit GCZ 9 ST R407C Drawing Number Effective From Effective To Item Code Item Desc Quantity 4516158 Cover panel Painting assy 09-Aug-02 Active 4521257 Outdoor grille Painting assy 09-Aug-02 Active 436358 L. lifter 09-Aug-02 Active 4516159...
  • Page 133 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.29 Outdoor Unit GCZ 7, 9 RC R407C Service Manual - WMZ Revision Y05-01 14-29 CONTENTS CONTENTS...
  • Page 134 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.30 Outdoor Unit GCZ 7 RC R407C Drawing Number Effective From Effective To Item Code Item Desc Quantity 4516158 Cover panel Painting assy 09-Aug-02 Active 4521257 Outdoor grille Painting assy 09-Aug-02 Active 436358 L. lifter 09-Aug-02 Active 4516159...
  • Page 135 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.31 Outdoor Unit GCZ 9 RC R407C Drawing Number Effective From Effective To Item Code Item Desc Quantity 4516158 Cover panel Painting assy 09-Aug-02 Active 4521257 Outdoor grille Painting assy 09-Aug-02 Active 436358 L. lifter 09-Aug-02 Active 4516159...
  • Page 136 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.32 Outdoor Unit GCZ 12 ST R407C 14-32 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 137 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.33 Outdoor Unit GCZ 12 ST R407C Drawing Number Effective From Effective To Item Code Item Desc Quantity 4516158 Cover panel Painting assy 18-Feb-03 Active 4521257 Outdoor grille Painting assy 18-Feb-03 Active 436358 L. lifter 18-Feb-03 Active 4516159...
  • Page 138 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.34 Outdoor Unit GCZ 12 RC R407C 14-34 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 139 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.35 Outdoor Unit GCZ 12 RC R407C Drawing Number Effective From Effective To Item Code Item Desc Quantity 4516158 Cover panel Painting assy 18-Feb-03 Active 4521257 Outdoor grille Painting assy 18-Feb-03 Active 436358 L. lifter 18-Feb-03 Active 4516159...
  • Page 140 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.36 OUtdoor Unit GCZ 17 ST R407C 14-36 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 141 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.37 Outdoor Unit GCZ 17 ST R407C Drawing Number Effective From Effective To Item Code Item Desc Quantity 433218 Front Panel A 08-Apr-04 Active 433221 Air Inlet Ring-420 08-Apr-04 Active 433223 Painting Insulation Plate 08-Apr-04 Active 4519251...
  • Page 142 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.38 Outdoor Unit GCZ 17 RC R407C 14-38 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 143 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.39 Outdoor Unit GCZ17 RC R407C Drawing Number Effective From Effective To Item Code Item Desc Quantity 4517144 FAN COVER PP+UV 08-Oct-03 Active 455000505 Compressor Capacitor With Screw None 29-Dec-03 Active 4517029 PAINTED LEFT CABINET ASSY 08-Oct-03 Active 4517612...
  • Page 144 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.40 Outdoor Unit GCZ 22 RC R407C 14-40 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 145 EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.41 Outdoor Unit GCZ 22 RC R407C Drawing Number Effective From Effective To Item Code Item Desc Quantity 4517144 FAN COVER PP+UV 04-Jan-03 Active 4517029 PAINTED LEFT CABINET ASSY 04-Jan-03 Active 4516797 PAINTED BASE PAN ASSY 04-Jan-03 26-Dec-03 4516786...
  • Page 146 OPTIONAL ACCESSORIES OPTIONAL ACCESSORIES 15.1 A.S.K (All Season Kit) The A.S.K is a pressure regulator 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 ºC for rooms with high internal gains. For units up to 7.2 KW kit code no’...
  • Page 147 OPTIONAL ACCESSORIES 15-2 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 148 OPTIONAL ACCESSORIES Service Manual - WMZ Revision Y05-01 15-3 CONTENTS CONTENTS...
  • Page 149 OPTIONAL ACCESSORIES 15-4 Revision Y05-01 Service Manual - WMZ CONTENTS CONTENTS...
  • Page 150 OPTIONAL ACCESSORIES Service Manual - WMZ Revision Y05-01 15-5 CONTENTS CONTENTS...
  • Page 151 APPENDIX A APPENDIX A INSTALLATION AND OPERATION MANUAL ► INSTALLATION AND OPERATION MANUAL WMZ 7, 9, 12 ► INSTALLATION AND OPERATION MANUAL WMZ 17, 22 16-1 Service Manual - WMZ Revision Y05-01 CONTENTS CONTENTS...