Service Manual WMZ Series Indoor Units Outdoor Units WMZ 7 GCZ 7 WMZ 9 GCZ 9 WMZ 12 GCZ 12 WMZ 17 GCZ 17 WMZ 22 GCZ 24 REFRIGERANT R407C COOLING ONLY HEAT PUMP SEPTEMBER 2005...
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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.
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.
INTRODUCTION Indoor Unit The indoor unit is wall mounted, and can be easily fitted to many types of residential and commercials applications. It includes: • Casing with air inlet and outlet grills. • tangential fan. • Coil with treated aluminum fins. •...
Each unit is supplied with its own installation and operation manuals. 1.10 Matching Table 1.10.1 R407C / R22 INDOOR UNITS OUTDOOR UNITS MODEL REF’ WMZ 7 WMZ 9 WMZ 12 WMZ 17 WMZ 22 √ GCZ 7 ST/ RC R407C/R22 √...
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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...
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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 1.05 1.05 1.02 Power input EER (Cooling) or COP(Heating) 2.43 2.43 Energy efficiency class Power supply...
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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 1.25 1.25 1.28 Power input EER (Cooling) or COP(Heating) 2.49 2.49 2.62 Energy efficiency class...
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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...
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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...
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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...
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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...
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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...
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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...
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...
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...
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PERFORMANCE DATA & PRESSURE CURVES PERFORMANCE DATA WMZ 7 GCZ 7 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 DB DATA OU COIL (°C)
PERFORMANCE DATA & 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...
PERFORMANCE DATA & PRESSURE CURVES WMZ 9 GCZ 9 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 DB DATA OU COIL (°C) 15/21 17/24 19/27 21/29 23/32...
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PERFORMANCE DATA & 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...
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PERFORMANCE DATA & PRESSURE CURVES 5.6.2 Heating. Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Suction Pressure VS.Outdoor Temp 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Revision Y05-01 Service Manual - WMZ CONTENTS...
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PERFORMANCE DATA & PRESSURE CURVES WMZ 12 GCZ 12 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 DB DATA OU COIL (°C) 15/21 17/24 19/27 21/29 23/32...
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PERFORMANCE DATA & 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...
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PERFORMANCE DATA & PRESSURE CURVES 5.9.2 Heating. Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Suction Pressure VS.Outdoor Temp 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB 5-12 Revision Y05-01 Service Manual - WMZ CONTENTS...
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PERFORMANCE DATA & PRESSURE CURVES 5.10 WMZ 17 GCZ 17 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 DB DATA OU COIL (°C) 15/21 17/24 19/27 21/29...
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PERFORMANCE DATA & 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...
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PERFORMANCE DATA & PRESSURE CURVES 5.12.2 Heating. Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Suction Pressure VS.Outdoor Temp 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB 5-16 Revision Y05-01 Service Manual - WMZ CONTENTS...
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PERFORMANCE DATA & PRESSURE CURVES 5.13 WMZ 22 GCZ 22 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 DB DATA OU COIL (°C) 15/21 17/24 19/27 21/29...
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PERFORMANCE DATA & 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...
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PERFORMANCE DATA & PRESSURE CURVES 5.15.2 Heating. Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Suction Pressure VS.Outdoor Temp 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB 5-20 Revision Y05-01 Service Manual - WMZ CONTENTS...
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PERFORMANCE DATA & PRESSURE CURVES 5.16 WMZ 7 GCZ 7 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 DB DATA OU COIL (°C) 15/21...
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PERFORMANCE DATA & 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...
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PERFORMANCE DATA & PRESSURE CURVES 5.18.2 Heating. Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Suction Pressure VS.Outdoor Temp 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB 5-24 Revision Y05-01 Service Manual - WMZ CONTENTS...
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PERFORMANCE DATA & PRESSURE CURVES 5.19 WMZ 9 GCZ 9 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 DB DATA OU COIL (°C) 15/21 17/24 19/27 21/29...
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PERFORMANCE DATA & 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...
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PERFORMANCE DATA & PRESSURE CURVES 5.21.2 Heating Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Suction Pressure VS.Outdoor Temp 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB 5-28 Revision Y05-01 Service Manual - WMZ CONTENTS...
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PERFORMANCE DATA & PRESSURE CURVES 5.22 WMZ 12 GCZ 12 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 DB DATA OU COIL (°C) 15/21 17/24 19/27 21/29...
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PERFORMANCE DATA & 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...
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PERFORMANCE DATA & PRESSURE CURVES 5.24.2 Heating. Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Suction Pressure VS.Outdoor Temp 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB 5-32 Revision Y05-01 Service Manual - WMZ CONTENTS...
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PERFORMANCE DATA & PRESSURE CURVES 5.25 WMZ 17 GCZ 17 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 DB DATA OU COIL (°C) 15/21 17/24 19/27 21/29...
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PERFORMANCE DATA & 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...
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PERFORMANCE DATA & PRESSURE CURVES 5.27.2 Heating. Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB Suction Pressure VS.Outdoor Temp 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB 5-36 Revision Y05-01 Service Manual - WMZ CONTENTS...
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PERFORMANCE DATA & PRESSURE CURVES 5.28 WMZ 22 GCZ 22 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 DB DATA OU COIL (°C) 15/21 17/24 19/27 21/29...
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PERFORMANCE DATA & 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...
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...
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...
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...
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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 Valves connection connection Capillary...
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.
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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...
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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...
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...
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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 •...
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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.
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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 •...
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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.
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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)
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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 : •...
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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 [...
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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)
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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)
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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...
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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. •...
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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...
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.
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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...
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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.
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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.
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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 :...
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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 is forced OFF COMP...
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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.
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: •...
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.
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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.
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 BUTTON STEP MOTOR TEST FREQUENCY TEST STANDBY...
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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.
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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...
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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) •...
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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.
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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...
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.
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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.
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...
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EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.2 Indoor Unit WMZ 7 Drawing Number Effective From Effective To Item Code Item Desc Quantity 4521136 WNZ PRINTING Grill Airwell 09-Aug-02 Active 4519501 GREEN Air filter WMN1 09-Aug-02 Active 4521187 Frame assy 09-Aug-02...
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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...
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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...
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EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.5 Indoor Unit WMZ 17, 22 Service Manual - WMZ Revision Y05-01 14-5 CONTENTS...
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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...
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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...
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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...
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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...
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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...
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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...
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EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.12 Outdoor Unit GCZ 17 ST R22 14-12 Revision Y05-01 Service Manual - WMZ CONTENTS...
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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...
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EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.14 Outdoor Unit GCZ 22 ST R22 14-14 Revision Y05-01 Service Manual - WMZ CONTENTS...
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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...
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EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.16 Outdoor Unit GCZ 7 RC R22 14-16 Revision Y05-01 Service Manual - WMZ CONTENTS...
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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...
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EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.18 Outdoor Unit GCZ 9 RC R22 14-18 Revision Y05-01 Service Manual - WMZ CONTENTS...
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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...
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EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.20 Outdoor Unit GCZ 12 RC R22 14-20 Revision Y05-01 Service Manual - WMZ CONTENTS...
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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...
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EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.22 Outdoor Unit GCZ 17 RC R22 14-22 Revision Y05-01 Service Manual - WMZ CONTENTS...
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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...
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EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.24 Outdoor Unit GCZ 22 RC R22 14-24 Revision Y05-01 Service Manual - WMZ CONTENTS...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.32 Outdoor Unit GCZ 12 ST R407C 14-32 Revision Y05-01 Service Manual - WMZ CONTENTS...
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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...
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EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.34 Outdoor Unit GCZ 12 RC R407C 14-34 Revision Y05-01 Service Manual - WMZ CONTENTS...
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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...
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EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.36 OUtdoor Unit GCZ 17 ST R407C 14-36 Revision Y05-01 Service Manual - WMZ CONTENTS...
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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...
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EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.38 Outdoor Unit GCZ 17 RC R407C 14-38 Revision Y05-01 Service Manual - WMZ CONTENTS...
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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...
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EXPLODED VIEWS AND SPARE PARTS LISTS 14.1.40 Outdoor Unit GCZ 22 RC R407C 14-40 Revision Y05-01 Service Manual - WMZ CONTENTS...
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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...
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’...
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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...
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AIR CONDITIONER SPLIT WALL MOUNTED ENGLISH CLIMATISEUR SPLIT MURAL FRANCAIS CLIMATIZADOR SPLIT MURAL ESPANOL CONDIZIONATORE D'ARIA A PARETE SPLIT ITALIANO KLIMAGERAET IN SPLIT BAUWEISE DEUTSCH P R O G R A M M I N G A N D O P E R A T I N G M A N U A L M A N U E L D ' U T I L T S A T I O N E T D E P R O G R A M M A T I O N M A N U A L D E U T I L I Z A C I O N Y D E P R O G R A M M A C I O N 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...
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CONTENTS INTRODUCTION SYSTEM DESCRIPTION ON-UNIT INDICATORS AND CONTROLS REMOTE CONTROL OPERATION MODES, FUNCTIONS AND FEATURES USE OF WIRELESS REMOTE CONTROL OPERATION PROCEDURE Turning on the air conditioner Ventilating operation Cooling operation Cooling operation with auto fan mode Heating operation Heating operation with auto fan mode Auto cooling / heating operation Dry operation Selecting the temperature...
INTRODUCTION This Split Air Conditioner is desighned for versatile applications: Cooling air in the summer. OPERATING TEMPERA TURE RANGE: Dehumidifying the air at high humidity conditions. (According to T temperature condition) Cooling: 43 C Heating. Heating: 21 C IMPORTANT NOTICE: Ventilation.
SYSTEM DESCRIPTION Air intake grille Supply air flap (louver) Air filter Power cord Unit's indicators and on unit control Horizontal air AU TO flow defecting louvers OF F M O DE Suction line Liquid line Power cable Control wire Condensate tube Outdoor unit air intake Outdoor unit air...
OPERATION MODES, FUNCTIONS AND FEATURES COOL Cools, dehumidifies and filters the room air. Maintains the desired room temperature. HEAT Heats and filters the room air. Maintains the desired room temperature. AUTO Automatically switches from COOLING to HEATING or from HEATING to COOLING, maintaining the desired temperature according to the room conditions.
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AUTO The air louvers is automatically positioned for the most suitable blow-out angle, LOUVRE 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. VERTICAL Automatic swing of supply air in vertical direction.
USE OF WIRELESS REMOTE CONTROL PRIOR TO OPERATION Prior to operating your air conditioner, make sure that: The indoor unit is properly plugged into power.(Except for multi-split models). Indicator(A)on the unit's display is lit, meaning that the air conditioner is ready to accept your remote control commands.
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ON-UNIT INDICATORS AND CONTROLS STAND-BY INDICATOR Lights up when the air conditioner is connected to power and ready to receive the remote control commands. ON UNIT CONTROL Press to turn on or turn off for COOLING or HEATING without the use of remote control SIGNAL RECEIVER Receive signals from the remote control.
REMOTE CONTROL START/STOP button Operation mode selection button COOLING HEATING AUTO COOL/HEAT AUTO FAN SPEED and AUTO FAN button Room temperature UP button Room temperature DOWN Button SLEEP button Airflow direction AUTO-CONTROL button MODE TIMER button TIMER UP button TIMER DOWN button LCD operation display Infrared signal transmitter...
OPERATION PROCEDURE TURNING ON THE AIR CONDITIONER AUTO Press START/STOP button (1) to turn the air conditi o ner. After connecting to the MODE power supply, The indicator (B) on the air conditioner light up, indicating that the air conditioner is in the standby status. Please note that LCD operation display (13) will always show the last mode of operation and the previous function used.
AUTO COOLING/HEATING OPERATION AUTO Select the AUTO mode by pressing MODE button (2). Switch to the desired MODE FAN SPEED or to AUTO FAN by pressing button (3). Select suitable temperature setting. The air flap will automatically move to either horizontal air delivery for cooling or to vertical air delivery for heating.
TIMER OPERATION AUTO Press TIMER select button (8) to activate the timed operation mode. Each time you press TIMER button (8) is pressed, one of the following four type of operation modes will appear on the LCD display. The operation modes are sequenced in turn in the direction MODE of arrow.
AUTO AUTOMATIC VERTICAL AIR SWING MODE Press button (7) to activate the auto air swing. By Pressing button (7) again you can stop the auto swing and position the air flap at any desired anle. AUTO TURNING OFF THE AIR CONDITIONER Press START/STOP button (1) to turn off the air conditioner.
PROTECTION MODES Your air conditioner includes several automatic protection modes, which enables you to use it virtually at any time and in any season, regardless of the outdoor temperature. Some of the protection modes are listed below: Mode Operation Protection Controlled conditons from...
CARE AND MAINTENANCE Befor performing any maintenance procedure, make sure to disconnect the air conditioner from the power. CLEANING THE AIR FILTER To remove the air filters lift up the panel. Push the air filters up slightly to unlock them. Pull out the filters clean the filter by washing in warm soapy water and dry thorougly Align and fit the filters in place.
OPERATING TIPS Set a suitable room temperature; excessively low room temperature is not good for your health and wastes electricity. Avoid frequent setting of the temperature. During cooling, avoid direct sun. Keep curtains and blinds closed. Close doors and windows to keep the cool air in the room. Avoid generating heat or using of heating appliances while the air conditioner in cooling mode.
PRECAUTIONS Use the proper electrical fuse. Do not pull out the power cord unless the unit is turned off. Do not start or stop operation by disconnecting the power cord. Do not obstruct or block the air inlet or air outlet of the air conditoner.
BEFORE CALLING FOR SERVICE Before calling for service, please check the following common malfunctions and correct it as needed. Problem Cause Remedy Unit does not Unit not connected Plug in the power operate. Stand- to power cord by indicator does Power failure Check main fuse not light up...
INSTALLATION INSTRUCTIONS 1. ACCESSORIES SUPPLIED WITH AIR CONDITIONER 2. LOCATION OF INDOOR AND OUTDOOR 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 The appliance shall not be installed in the laundry.
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I N S T A L L A T I O N I N S T R U C T I O N S FOR SPLIT WALL MOUNTED AIR CONDITIONER LOCATION OF INDOOR AND ACCESSORIES SUPPLIED WITH OUTDOOR UNITS THE AIR CONDITIONER Select the location considering the following: Shape Name...
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Fig.3 Length of electric cable to mains Fig 3 Fig.4 Direction of tubing Fig 4 Fig.5 AU TO OF F M OD Fig.6 Fig 6 1.Mounting pads(x4) Fig 5 APPENDIX A...
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ELECTRICAL REFRIGERATION TUBE ROUTING REQUIREMENTS 1. There are five possible routes for installing the refrigeration tube as shown. Electrical wiring and connections should be made by qualified 2. For route (6), cut the bottom notch in the rear. electricians and in accordance with local electrical codes and 3.
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PENETRATION OF WALL FOR TUBING CONDENSATE HOSE 1. Mark the location of the hole on either side of the mounting plate as CONNECTION shown. and drill it at a 5 downward angle, as shown. 2. The hole is drilled at an angle, to prevent condensed or rain water 1.
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ELECTRICAL CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITS MULTIPLE WIRE POWER CABLE 1. To connect the indoor unit to the outdoor nit use the following electrical cables, protected for outdoor use: Cooling and heating model: Multiple wire cable 5 wires x 1.5 mm2 Fig18 5 wires x 0.5 mm2 - for low voltage (supplied with the unit).
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Tightening TUBE SIZE TORQUE REFRIGERANT TUBING torques of unions Liquid line 1/4" 15-20 N.M. Suction line 3/8" 30-35 N.M. and valve caps: Suction line 1/2" 50-54 N.M. Suction line 5/8" 75-78 N.M. CONNECT THE INDOOR TO THE OUTDOOR UNIT Fig.22 Fig.23 Fig.24 The indoor unit contains a small quantity of refrigerant.
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FINAL TASKS 1. Replace all valve caps and ensure that they are tightened properly. 2. Fill gaps on the wall 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.