Electra IOD 7 Service Manual
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Electra IOD 7 Service Manual

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Service Manual

REFRIGERANT
Compact Series
IOD 7
IOD 9
IOD 12
SEPTEMBER - 2005
CON 7
CON 9
CON 12
HEAT PUMP

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  • Page 1: Table Of Contents

    Service Manual Compact Series Indoor Units Outdoor Units IOD 7 CON 7 IOD 9 CON 9 IOD 12 CON 12 REFRIGERANT R407C COOLING ONLY HEAT PUMP SEPTEMBER - 2005...
  • 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: Main Features

    INTRODUCTION INTRODUCTION General The new COMPACT split wall mounted range comprise the ST (cooling only) and RC (heat pump) models, as follows: Cooling Only COMPACT 7 ST, COMPACT 9 ST, COMPACT 12 ST • Heat Pump COMPACT 7 RC, COMPACT 9 RC, COMPACT 12 RC •...

  • Page 5: Indoor Unit

    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. •...

  • Page 6: R407C R22

    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’ IOD 7 IOD 9 IOD 12 CON 7 ST/ RC R407C/R22 √ CON 9 ST/ RC R407C/R22 √...

  • Page 7: Product Data Sheet

    PRODUCT DATA SHEET PRODUCT DATA SHEET R407C Model Indoor Unit IOD-7 Model Outdoor Unit CON-7 Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 7230 7230 7400 Capacity 2.12 2.12 2.17 Power input 0.83 0.83 0.73 EER (Cooling) or COP(Heating) 2.55 2.55 2.97...
  • Page 8 PRODUCT DATA SHEET Model Indoor Unit IOD-9 Model Outdoor Unit CON-9 Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 8530 8530 9080 Capacity 2.66 Power input 1.03 1.03 0.93 EER (Cooling) or COP(Heating) 2.43 2.43 2.86 Energy efficiency class Power supply V/Ph/Hz...
  • Page 9 PRODUCT DATA SHEET Model Indoor Unit IOD-12 Model Outdoor Unit CON-12 Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 12620 12450 12620 Capacity 3.65 Power input 1.29 1.26 1.25 EER (Cooling) or COP(Heating) 2.87 2.90 2.96 Energy efficiency class Power supply V/Ph/Hz...
  • Page 10 PRODUCT DATA SHEET Model Indoor Unit IOD-7 Model Outdoor Unit CON-7 Installation Method of Pipe Flared Characteristics Units cooling only Cooling Heating Btu/hr 7230 7230 7340 Capacity 2.12 2.12 2.15 Power input 0.75 0.75 0.67 EER (Cooling) or COP(Heating) 2.83 2.83 3.21 Energy efficiency class...
  • Page 11 PRODUCT DATA SHEET Model Indoor Unit IOD-9 Model Outdoor Unit CON-9 Installation Method of Pipe Flared Characteristics Units cooling only Cooling Heating Btu/hr 8630 8630 9140 Capacity 2.53 2.53 2.68 Power input 0.97 0.97 0.88 EER (Cooling) or COP(Heating) 2.61 2.61 3.05 Energy efficiency class...
  • Page 12 PRODUCT DATA SHEET Model Indoor Unit IOD-12 Model Outdoor Unit CON-12 Installation Method of Pipe Flared Characteristics Units cooling only Cooling Heating Btu/hr 13140 13140 13310 Capacity 3.85 3.85 3.90 Power input 1.27 1.27 1.25 EER (Cooling) or COP(Heating) 3.03 3.03 3.12 Energy efficiency class...

  • Page 13: Rating Conditions

    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 14: Outline Dimensions

    OUTLINE DIMENSIONS OUTLINE DIMENSIONS Indoor Unit IOD 7, 9 Indoor Unit IOD 12 Service Manual - COMPACT Revision Y05-01 CONTENTS...
  • Page 15 OUTLINE DIMENSIONS Outdoor Unit CON 7, 9 Outdoor Unit CON 12 AI R I N TAKE AI R O U TLET Revision Y05-01 Service Manual - COMPACT CONTENTS...
  • Page 16 PERFORMANCE DATA PERFORMANCE DATA & PRESSURE CURVES IOD7/CON7 R407C 5.1.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID Coil( ENTERING AIR Data DB OD Coil( 15/21 17/24 19/27 21/29 23/32 2.23 2.31 2.37 2.42...

  • Page 17: Power

    PERFORMANCE DATA 5.1.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( qC) ENTERING AIR WB OU COIL ( qC) 1.14 0.58 1.10 0.62 1.05 0.65 1.23 0.60 1.18 0.63 1.14 0.67 1.30...

  • Page 18: Performance Data

    PERFORMANCE DATA 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 - COMPACT Revision Y05-01 CONTENTS...
  • Page 19 PERFORMANCE DATA 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 Y05-01 Service Manual - COMPACT CONTENTS...
  • Page 20 PERFORMANCE DATA IOD9/CON9 R407C 5.4.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID Coil( ENTERING AIR Data DB OD Coil( 15/21 17/24 19/27 21/29 23/32 2.63 2.73 2.79 2.86 2.90 1.65 1.72 1.78 1.83...
  • Page 21 PERFORMANCE DATA 5.4.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( qC) ENTERING AIR WB OU COIL (qC) 1.40 0.74 1.34 0.79 1.29 0.83 1.50 0.76 1.45 0.80 1.40 0.85 1.60 0.77...
  • Page 22 PERFORMANCE DATA 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 - COMPACT Revision Y05-01 CONTENTS...
  • Page 23 PERFORMANCE DATA 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 Y05-01 Service Manual - COMPACT CONTENTS...
  • Page 24 PERFORMANCE DATA IOD12/CON12 R407C 5.7.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID Coil( ENTERING AIR Data DB OD Coil( 15/21 17/24 19/27 21/29 23/32 3.90 4.04 4.13 4.23 4.30 2.43 2.53 2.63 2.70...
  • Page 25 PERFORMANCE DATA 5.7.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( qC) ENTERING AIR WB OU COIL (qC) 1.94 1.00 1.87 1.07 1.79 1.12 2.09 1.03 2.02 1.08 1.94 1.14 2.22 1.04...
  • Page 26 PERFORMANCE DATA Pressure Curves. 5.9.1 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 - COMPACT Revision Y05-01 5-11 CONTENTS...
  • Page 27 PERFORMANCE DATA 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 Y05-01 Service Manual - COMPACT CONTENTS...
  • Page 28 PERFORMANCE DATA 5.10 IOD7/CON7 R22 5.10.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID Coil( ENTERING AIR Data DB OD Coil( 15/21 17/24 19/27 21/29 23/32 2.23 2.31 2.37 2.42 2.46 1.57 1.63 1.70...
  • Page 29 PERFORMANCE DATA 5.10.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( qC) ENTERING AIR WB OU COIL (qC) 1.13 0.54 1.09 0.57 1.04 0.60 1.21 0.55 1.17 0.58 1.13 0.61 1.29 0.56...
  • Page 30 PERFORMANCE DATA 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 - COMPACT Revision Y05-01 5-15 CONTENTS...
  • Page 31 PERFORMANCE DATA 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 Y05-01 Service Manual - COMPACT CONTENTS...
  • Page 32 PERFORMANCE DATA 5.13 IOD9/CON9 R22 5.13.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID Coil( ENTERING AIR Data DB OD Coil( 15/21 17/24 19/27 21/29 23/32 2.67 2.76 2.83 2.89 2.94 1.70 1.78 1.85...
  • Page 33 PERFORMANCE DATA 5.13.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( qC) ENTERING AIR WB OU COIL ( qC) 1.41 0.70 1.35 0.75 1.30 0.79 1.51 0.72 1.46 0.76 1.41 0.80 1.61...
  • Page 34 PERFORMANCE DATA 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 - COMPACT Revision Y05-01 5-19 CONTENTS...
  • Page 35 PERFORMANCE DATA 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 Y05-01 Service Manual - COMPACT CONTENTS...
  • Page 36 PERFORMANCE DATA IOD12/CON12 R22 5.1.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID Coil( ENTERING AIR Data DB OD Coil( 15/21 17/24 19/27 21/29 23/32 4.06 4.20 4.30 4.40 4.47 2.51 2.61 2.72 2.78...
  • Page 37 PERFORMANCE DATA 5.16.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( qC) ENTERING AIR WB OU COIL (qC) 2.05 1.00 1.97 1.07 1.89 1.12 2.20 1.03 2.13 1.08 2.05 1.14 2.34 1.04...
  • Page 38 PERFORMANCE DATA 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 - COMPACT Revision Y05-01 5-23 CONTENTS...
  • Page 39 PERFORMANCE DATA 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 Y05-01 Service Manual - COMPACT CONTENTS...

  • Page 40: Iod 7

    Figure 3. Ducted Figure 4. Cassette Figure Figure re 4. Casset Soud Pressure Level Spectrum (Measured as Figure 1) pectrum (Measured m (Me IOD 7 IOD 9 NC (Noise Criteria) Curves NC (Noise Criteria) Curves NC65 NC65 NC65 NC60 NC60...

  • Page 41: Con 7

    SOUND LEVEL CHARACTERISTICS Outdoor units MODEL SPL dB(A) SPW dB(A) Indoor Outdoor Cooling/Heating Cooling/Heating IOD 7 CON 7 51/52 61/62 IOD 9 CON 9 52/53 62/63 IOD 12 CON 12 56/57 66/67 6/67 IOD 17 CON 17 49/49 59/59 59/59 Figure 5.

  • Page 42: Electrical Data

    ELECTRICAL DATA ELECTRICAL DATA Single Phase Units MODEL COMPACT 7 COMPACT 9 COMPACT 12 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 No. X 3x1.0 mm 3x1.0 mm 3x1.5 mm Cross Section mm Interconnecting Cable RC 5x1.0 mm...

  • Page 43: Wiring Diagrams

    WIRING DIAGRAMS WIRING DIAGRAMS Indoor Unit COMPACT 7,9,12 Outdoor Unit COMPACT 7,9,12 Service Manual - COMPACT Revision Y05-01 CONTENTS...

  • Page 44: Electrical Connections

    ELECTRICAL CONNECTIONS ELECTRICAL CONNECTIONS COMPACT 7,9,12, Service Manual - COMPACT Revision Y05-01 CONTENTS...

  • Page 45: Refrigeration Diagrams

    REFRIGERATION DIAGRAMS REFRIGERATION DIAGRAMS 10.1 Heat Pump Models 10.1.1 COMPACT 7,9 RC R407C & R22 REFRIGERATION DIAGRAM HEAT PUMP MODEL Compact 7,9 OUTDOOR UNIT INDOOR UNIT Service Sensor port Sensor Flared Valves connection Reverse valve Capillary Indoor coil tube Strainer Strainer Outdoor coil COOLING MODE...
  • Page 46 REFRIGERATION DIAGRAMS 10.1.2 COMPACT 12 RC R407C & R22 OUTDOOR UNIT INDOOR UNIT Service Sensor port Sensor Flared Valves connection Reverse valve Capillary tube Capillary Indoor coil tube Strainer Check Strainer Outdoor coil valve COOLING MODE OUTDOOR UNIT INDOOR UNIT Service Sensor port...

  • Page 47: Cooling Only

    REFRIGERATION DIAGRAMS 10.2 Cooling Only Models 10.2.1 COMPACT 7, 9, 12 OUTDOOR UNIT INDOOR UNIT Service Sensor port Sensor Flared Valves connection Capillary Indoor coil tube Strainer Outdoor coil Service Manual - COMPACT Revision Y05-01 10-3 CONTENTS...

  • Page 48: Tubing Connections

    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 49: Introduction

    CONTROL SYSTEM CONTROL SYSTEM COMPACT 7-12 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 50 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 51 CONTROL SYSTEM 12.3 Main PCB Controller 12.3.1 COMPACT 7-12 (LEXAN) COMPACT 7-22 Display PCB IR RECIVER STBY LED IR RECIVER STBY LED OPR’ LED MODE BUTTON OPR’ LED MODE BUTTON Service Manual - COMPACT Revision Y05-01 12-3 CONTENTS...

  • Page 52: General Functions

    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 53 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 54 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 55 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 56 CONTROL SYSTEM 2.5.1 Cooling Mode: Cool, Auto (at Cooling) 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 RT and SPT. (RT - SPT) [ COMP (WVL) OFAN...
  • Page 57 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 58 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 59 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 60 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 61 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 62 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 - COMPACT 12-14 CONTENTS...
  • Page 63 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 64 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 65: Dry 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.
  • Page 66 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 67 CONTROL SYSTEM 12.9.2 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 68 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 69 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 70 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 71 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 72: Forced Operation

    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 73: Sleep Mode

    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 74 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 75: Control System

    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...
  • Page 76 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 77 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 78 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 79 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 80 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 81: Troubleshooting

    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 82 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 83: Exploded Views And Spare Parts Lists

    EXPLODED VIEWS AND SPARE PARTS LISTS EXPLODED VIEWS AND SPARE PARTS LISTS 14.1 Indoor Unit IOD 7, 9, 12 Service Manual - COMPACT Revision Y05-01 14-1 CONTENTS...
  • Page 84 EXPLODED VIEWS AND SPARE PARTS LISTS 14.2 Indoor Unit IOD 7 Drawing Number Item Code Item Desc Quantity Effective From Effective To 4525979 IOD 7/9 Grille A 15-Jan-04 16-Jan-04 4527484 IOD 7/9 Grille B 16-Jan-04 Active 4525989 FILTER 15-Jan-04 Active...
  • Page 85 EXPLODED VIEWS AND SPARE PARTS LISTS 14.3 Indoor Unit IOD 9 Drawing Number Item Code Item Desc Quantity Effective From Effective To 4525979 IOD 7/9 Grille A 15-Jan-04 16-Jan-04 4527484 IOD 7/9 Grille B 16-Jan-04 Active 4525989 FILTER 15-Jan-04 Active...
  • Page 86 Active 4527507 Filter 15-Jan-04 Active 4527359 Active Carbon Static Filter 15-Jan-04 Active 4527508 Filter bracket 15-Jan-04 Active 452766805 ELECTRA Front Frame Assy. 15-Jan-04 Active 4525987 SCREW COVER 15-Jan-04 Active 4527184 IOD-12 Coil ASSY 15-Jan-04 Active 4523526 BERAING ASSY FAN 15-Jan-04...
  • Page 87 EXPLODED VIEWS AND SPARE PARTS LISTS 14.5 Outdoor Unit CON 7, 9 ST R22 & R407C Service Manual - COMPACT Revision Y05-01 14-5 CONTENTS...
  • Page 88 EXPLODED VIEWS AND SPARE PARTS LISTS 14.6 Outdoor Unit CON 7 ST R22 Drawing Number Item Code Item Desc Quantity Effective From Effective To 4526675 TOP COVER PAINTING 11-Dec-03 Active 4526671 FRONT PANEL PAINTING 11-Dec-03 Active 4526481 CON Outdoor Grille 11-Dec-03 Active 4526141...
  • Page 89 EXPLODED VIEWS AND SPARE PARTS LISTS 14.7 Outdoor Unit CON 7 ST R407C Drawing Number Item Code Item Desc Quantity Effective From Effective To 4526675 TOP COVER PAINTING 11-Dec-03 Active 4526671 FRONT PANEL PAINTING 11-Dec-03 Active 4526481 CON Outdoor Grille 11-Dec-03 Active 4526141...
  • Page 90 EXPLODED VIEWS AND SPARE PARTS LISTS 14.8 Outdoor Unit CON 9 ST R22 Drawing Number Item Code Item Desc Quantity Effective From Effective To 4526675 TOP COVER PAINTING 11-Dec-03 Active 4526671 FRONT PANEL PAINTING 11-Dec-03 Active 4526481 CON Outdoor Grille 11-Dec-03 Active 4526141...
  • Page 91 EXPLODED VIEWS AND SPARE PARTS LISTS 14.9 Outdoor Unit CON 9 ST R407C Drawing Number Item Code Item Desc Quantity Effective From Effective To 4526675 TOP COVER PAINTING 11-Dec-03 Active 4526671 FRONT PANEL PAINTING 11-Dec-03 Active 4526481 CON Outdoor Grille 11-Dec-03 Active 4526141...
  • Page 92 EXPLODED VIEWS AND SPARE PARTS LISTS 14.10 Outdoor Unit CON 7, 9 RC R22 & R407C 14-10 Revision Y05-01 Service Manual - COMPACT CONTENTS...
  • Page 93 EXPLODED VIEWS AND SPARE PARTS LISTS 14.11 Outdoor Unit CON 7 RC R22 Drawing Number Item Code Item Desc Quantity Effective From Effective To 4526675 TOP COVER PAINTING 11-Dec-03 Active 4526671 FRONT PANEL PAINTING 11-Dec-03 Active 4526481 CON Outdoor Grille 11-Dec-03 Active 4526141...
  • Page 94 EXPLODED VIEWS AND SPARE PARTS LISTS 14.12 Outdoor Unit CON 7 RC R407C Drawing Number Item Code Item Desc Quantity Effective From Effective To 4526675 TOP COVER PAINTING 11-Dec-03 Active 4526671 FRONT PANEL PAINTING 11-Dec-03 Active 4526481 CON Outdoor Grille 11-Dec-03 Active 4526141...
  • Page 95 EXPLODED VIEWS AND SPARE PARTS LISTS 14.13 Outdoor Unit CON 9 RC R22 Drawing Number Item Code Item Desc Quantity Effective From Effective To 4526675 TOP COVER PAINTING 11-Dec-03 Active 4526671 FRONT PANEL PAINTING 11-Dec-03 Active 4526481 CON Outdoor Grille 11-Dec-03 Active 4526141...
  • Page 96 EXPLODED VIEWS AND SPARE PARTS LISTS 14.14 Outdoor Unit CON 9 RC R407C Drawing Number Item Code Item Desc Quantity Effective From Effective To 4526675 TOP COVER PAINTING 11-Dec-03 Active 4526671 FRONT PANEL PAINTING 11-Dec-03 Active 4526481 CON Outdoor Grille 11-Dec-03 Active 4526141 PARTITION PLATE...
  • Page 97 EXPLODED VIEWS AND SPARE PARTS LISTS 14.15 Outdoor Unit CON 12 RC R22 & R407C Service Manual - COMPACT Revision Y05-01 14-15 CONTENTS...
  • Page 98 EXPLODED VIEWS AND SPARE PARTS LISTS 14.16 Outdoor Unit CON 12 RC R22 Drawing Number Item Code Item Desc Quantity Effective From Effective To 4516158 Cover panel Painting assy 19-Feb-04 Active 4521257 Outdoor grille Painting assy 19-Feb-04 Active 436358 L. lifter 19-Feb-04 Active 4516159...
  • Page 99 EXPLODED VIEWS AND SPARE PARTS LISTS 14.17 Outdoor Unit CON 12 RC R407C Drawing Number Item Code Item Desc Quantity Effective From Effective To 4516158 Cover panel Painting assy 16-Jan-04 Active 4521257 Outdoor grille Painting assy 16-Jan-04 Active 436358 L. lifter 16-Jan-04 Active 4516159...
  • Page 100 EXPLODED VIEWS AND SPARE PARTS LISTS 14.18 Outdoor Unit CON 12 ST R22 & R407C 14-18 Revision Y05-01 Service Manual - COMPACT CONTENTS...
  • Page 101 EXPLODED VIEWS AND SPARE PARTS LISTS 14.19 Outdoor Unit CON 12 ST R22 Drawing Number Effective From Effective To Item Code Item Desc Quantity 4516158 Cover panel Painting assy 27-Feb-04 Active 4521257 Outdoor grille Painting assy 27-Feb-04 Active 436358 L. lifter 27-Feb-04 Active 4516159...
  • Page 102 EXPLODED VIEWS AND SPARE PARTS LISTS 14.20 Outdoor Unit CON 12 ST R407C Drawing Number Effective From Effective To Item Code Item Desc Quantity 4516158 Cover panel Painting assy 04-Feb-04 Active 4521257 Outdoor grille Painting assy 04-Feb-04 Active 436358 L. lifter 04-Feb-04 Active 4516159...

  • Page 103: Optional Accessories

    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 104 OPTIONAL ACCESSORIES 15-2 Revision Y05-01 Service Manual - COMPACT CONTENTS...
  • Page 105 OPTIONAL ACCESSORIES Service Manual - COMPACT Revision Y05-01 15-3 CONTENTS...
  • Page 106 OPTIONAL ACCESSORIES 15-4 Revision Y05-01 Service Manual - COMPACT CONTENTS...
  • Page 107 OPTIONAL ACCESSORIES Service Manual - COMPACT Revision Y05-01 15-5 CONTENTS...
  • Page 108 APPENDIX A APPENDIX A INSTALLATION AND OPERATION MANUAL ► INSTALLATION AND OPERATION MANUAL COMPACT 7, 9, 12 16-1 Service Manual - COMPACT Revision Y05-01 CONTENTS...
  • Page 109 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...
  • Page 110 AIR CONDITIONER SPLIT WALL MOUNTED PROGRAMMING AND OPERATING CONTENTS...
  • Page 111 CONTENTS INTRODUCTION SYSTEM DESCRIPTION OPERATION MODES, FUNCTIONS AND FEATURES USE OF WIRELESS REMOTE CONTROL ON-UNIT INDICATORS AND CONTROLS 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...
  • Page 112 INTRODUCTION This Split Air Conditioner is desighned for versatile applications: Cooling air in the summer. OPERATING TEMPERATURE RANGE: Dehumidifying the air at high humidity conditions. (According to T temperature condition) Cooling: 21 43 C Heating. Heating: -7 21 C IMPORTANT NOTICE: Ventilation.

  • Page 113: System Description

    SYSTEM DESCRIPTION Air intake grille Supply air flap (louver) Air filter Power cord Unit's indicators 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 114 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.
  • Page 115 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.
  • Page 116 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.
  • Page 117 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. OPERATION INDICATOR Lights up during operation. Blinks once to announce that the remote control infrared signal has been received and stored.

  • Page 118: 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 MODE Airflow direction AUTO-CONTROL button TIMER button TIMER UP button TIMER DOWN button LCD operation display Infrared signal transmitter...

  • Page 119: Operation Procedure

    OPERATION PROCEDURE TURNING ON THE AIR CONDITIONER AUTO Press START/STOP button (1) to turn the air conditioner. After connecting to the power supply, The indicator (A) on the air conditioner light up, indicating that the MODE air conditioner is in the standby status. Please note that LCD operation display (11) will always show the last mode of operation and the previous function...
  • Page 120 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.
  • Page 121 TIMER OPERATION 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 AUTO modes will appear on the LCD display. The operation modes are sequenced in turn in the direction of arrow.
  • Page 122 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.
  • Page 123 PROTECTION MODES Your air conditioner includes several automatic protection modes, which enables you to use itvirtually 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 remedy...

  • Page 124: Care And Maintenance

    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.

  • Page 125: Operating Tips

    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.
  • Page 126 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.

  • Page 127: Before Calling For Service

    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...
  • Page 128 CONTENTS...
  • Page 129 CONTENTS...

  • Page 130: Installation Instructions

    ENGLISH INSTALLATION INSTRUCTIONS 1.ACCESSOIRES SUPPLIED WITHAIR CONDITIONER 2.LOCATION OF INDOOR AND OUTDOOR UNITS 3.ELECTRICAL REQUIREMENTS 4.INSTALLATION OF THE INDOOR UNIT 5.CONDENSATE HOSE CONNECTION 6.ELECTRICAL CONNECTION BETWEEN INDOOR AND OUTDOOR UNITS 7.REFRIGERANT TUBING 8.FINAL TASKS The appliance shall not installed in the laundry CONTENTS...
  • Page 131 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 ACCESSORIES SUPPLIED WITH LOCATION OF INDOOR AND THE AIR CONDITIONER OUTDOOR UNITS Select the location considering the following: Shape...
  • Page 132 Fig.3 Length of electric cable to mains Minimum Fig 3 Minimum Minimum Fig.4 Direction of tubing Minimum Fig 4 Minimum Fig.5 Minimum Minimum AU TO Minimum O F F Minimum M O D Minimum Fig.6 Fig 6 1.Mounting pads(x4) Fig 5 CONTENTS...
  • Page 133 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.

  • Page 134: Units

    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.
  • Page 135 ELECTRICAL CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITS 1. To connect the indoor unit to the outdoor nit MULTIPLE WIRE POWER CABLE 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).

  • Page 136: Refrigerant Tubing

    Tightening TUBE SIZE TORQUE torques of unions Liquid line 1/4" 15-20 N.M. REFRIGERANT TUBING 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.
  • Page 137 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.

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