Electra DNG 100 Service Manual
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Electra DNG 100 Service Manual

Dc inverter 10.0 / 12.5/ 14.0 kw
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DC Inverter 10.0 / 12.5 / 14.0 kW
REFRIGERANT
SM OU 12 HP 2 -E. 2 GB
Outdoor Units
OU12 4HP DCI
OU12 5HP DCI
OU12 6HP DCI
HEAT PUMP
NOVEMBER
CONTENTS
Indoor Units
DNG 100
EMD 100
DNG 125
EMD 125
CD 140
R410A
2008

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Summary of Contents for Electra DNG 100

  • Page 1 DC Inverter 10.0 / 12.5 / 14.0 kW Outdoor Units Indoor Units DNG 100 OU12 4HP DCI EMD 100 DNG 125 OU12 5HP DCI EMD 125 OU12 6HP DCI CD 140 REFRIGERANT R410A HEAT PUMP NOVEMBER 2008 SM OU 12 HP 2 -E. 2 GB...
  • 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 AIRFLOW CURVES ....................6-1 SOUND LEVEL CHARACTERISTICS ..............7-1 ELECTRICAL DATA ....................8-1 WIRING DIAGRAMS .....................9-1 10. REFRIGERATION DIAGRAMS ................10-1 11.

  • Page 4: Main Features

    INTRODUCTION INTRODUCTION General The new 4-5-6HP DC INVERTER ducted split unit range comprises the following RC (heat pump) models: • DNG 100 • DNG 125 • EMD 100 • EMD 125 • CD 140 Remote control compatibility The units are compatible with remote controls RC3, RC4, RCW1, RCW2, RC7.

  • Page 5: Indoor Unit

    INTRODUCTION • HMI Display consists of 7-segments shows system diagnostics and setup. • Monitoring software (PC port for high level service). • Cooling operation at outdoor temperature down to -10°C. • Heating operation at outdoor temperature down to -15°C. • Up to 100Pa (4-5HP) and 200Pa (6HP) External static pressure.

  • Page 6: Tubing Connections

    For further details, please refer the Optional Accessories, Chapter 16. Inbox Documentation Each unit includes its own installation and operation manuals. 1.10 Matching Table 1.10.1 R410A INDOOR UNITS OUTDOOR UNITS DNG 100 DNG 125 EMD 100 EMD 125 MODEL CD140 DCI ¥ ¥ DCI 4HP ¥...
  • Page 7 PRODUCT DATA SHEET PRODUCT DATA SHEET DNG 100 DCI / OU12 4HP DCI Model Indoor Unit DNG 100 DCI Model Outdoor Unit OU12 4HP DCI Installation Method DUCTED Characteristics Units Cooling Heating Btu/hr 34100(10900÷39200) 38200(9200 ÷ 42650) Capacity - Nominal (Minimum ~ Maximum) 10.0(3.8 ÷...
  • Page 8 PRODUCT DATA SHEET DNG 125 DCI / OU12 5HP DCI Model Indoor Unit DNG 125 DCI Model Outdoor Unit OU12 5HP DCI Installation Method Ducted Characteristics Units Cooling Heating Btu/hr 42650(16050÷47750) 47750(15000÷54600) Capacity - Nominal (Minimum ~ Maximum) 12.5 (4.7 ÷ 14.0) 14.0 (4.4 ÷...
  • Page 9 PRODUCT DATA SHEET EMD 100 DCI / OU12 4HP DCI Model Indoor Unit EMD 100 DCI Model Outdoor Unit OU12 4HP DCI Installation Method DUCTED Characteristics Units Cooling Heating Btu/hr 34,100 (10,250-40,950) 39,250 (12,000-42,650) Capacity - Nominal (Minimum ~ Maximum) 10.0 (3.0-12.0) 11.5(3.5-12.5) Power input - Nominal (Minimum ~ Maximum)
  • Page 10 PRODUCT DATA SHEET EMD 125 DCI / OU12 5HP DCI Model Indoor Unit EMD 125 DCI Model Outdoor Unit OU12 5HP DCI Installation Method DUCTED Characteristics Units Cooling Heating Btu/hr 42,650 (11,940-47,770) 47,770 (12,280-54,590) Capacity - Nominal (Minimum ~ Maximum) 12.5 (3.5-14.0) 14.0 (3.6-16.0) Power input - Nominal (Minimum ~ Maximum)
  • Page 11 PRODUCT DATA SHEET CD 140 DCI / OU12 6HP DCI Model Indoor Unit CD 140 DCI Model Outdoor Unit OU12 6HP DCI Installation Method DUCTED Characteristics Units Cooling Heating Btu/hr 47,770 (15,700 - 56,300) 54,600 (12,600 – 63,100) Capacity - Nominal (Minimum ~ Maximum) 14.0 (4.6 –...

  • Page 12: Rating Conditions

    RATING CONDITIONS RATING CONDITIONS Standard conditions in accordance with ISO 5151 and 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 Indoor...

  • Page 13: Outline Dimensions

    OUTLINE DIMENSIONS OUTLINE DIMENSIONS Indoor Unit: DNG 100, DNG 125 DCI Model DNG 100, 125 854 715 815 822 749 193 282 SM OU12HP 2-E.2 GB CONTENTS...
  • Page 14 OUTLINE DIMENSIONS Indoor Unit: EMD 100 DCI Indoor Unit: EMD 125 DCI t4.4 Indoor Unit: CD 140 DCI 1435 1390 1303 1350 SM OU12HP 2-E.2 GB CONTENTS...
  • Page 15 OUTLINE DIMENSIONS Outdoor Unit: DCI 100 / 125 / 140 (OU12 DCI 4-5-6HP) SM OU12HP 2-E.2 GB CONTENTS...
  • Page 16 PERFORMANCE DATA & PRESSURE CURVES PERFORMANCE DATA & PRESSURE CURVES DNG 100 DCI 5.1.1 Cooling Capacity (kW) ID COIL ENTERING AIR DB/WB TEMPERATURE [qC] OD COIL ENTERING AIR DB DATA 22/15 24/17 27/19 29/21 32/23 TEMPERATURE [qC] 80 - 110 % of nominal -10 –...
  • Page 17 PERFORMANCE DATA & PRESSURE CURVES 5.1.3 Heating Capacity ID COIL ENTERING AIR DB TEMPERATURE [°C] OD COIL ENTERING AIR DB/WB DATA TEMPERATURE [°C] 7.13 6.63 6.13 -15/-16 2.03 2.24 2.45 7.94 7.44 6.94 -10/-12 2.45 2.66 2.87 8.54 8.04 7.54 -7/-8 2.77 2.97...
  • Page 18 PERFORMANCE DATA & PRESSURE CURVES 5.1.5 Pressure Curves Cooling – Technician Mode) 5.1.5.1 Cooling Suction Pressure - Cooling (Technician Mode) 1400 1300 1200 32/23 1100 29/21 1000 27/19 24/17 22/15 Outdoor DB Temperature [°C] Discharge Pressure - Cooling (Technician Mode) 4000 3750 3500...
  • Page 19 PERFORMANCE DATA & PRESSURE CURVES 5.1.5.2 Heating Suction Pressure - Heating (Technician Mode) 1300 1200 1100 1000 Outdoor WB Temperature [°C] Discharge Pressure - Heating (Technician Mode) 4000 3750 3500 3250 3000 2750 2500 2250 2000 1750 1500 1250 1000 Outdoor WB Temperature [°C] SM OU12HP 2-E.2 GB CONTENTS...
  • Page 20 PERFORMANCE DATA & PRESSURE CURVES DNG 125 DCI 5.2.1 Cooling Capacity (kW) ID COIL ENTERING AIR DB/WB TEMPERATURE [qC] OD COIL 22/15 24/17 27/19 29/21 32/23 ENTERING AIR DB DATA TEMPERATURE [qC] 80 - 110 % of nominal -10 – 20 80 - 105 % of nominal (protection range) 25 - 50 % of nominal...
  • Page 21 PERFORMANCE DATA & PRESSURE CURVES 5.2.3 Heating Capacity ID COIL ENTERING AIR DB TEMPERATURE [°C] OD COIL ENTERING AIR DB/WB DATA TEMPERATURE [°C] 8.91 8.20 7.67 -15/-16 2.58 2.84 3.11 9.92 9.30 8.67 -10/-12 3.11 3.37 3.64 10.68 10.05 9.43 -7/-8 3.51 3.77...
  • Page 22 PERFORMANCE DATA & PRESSURE CURVES 5.2.5 Pressure Curves Cooling – Technician Mode) 5.2.5.1 Cooling Suction Pressure - Cooling (Technician Mode) 1400 1300 1200 32/23 1100 29/21 1000 27/19 24/17 22/15 Outdoor DB Temperature [°C] Discharge Pressure - Cooling (Technician Mode) 4000 3750 3500...
  • Page 23 PERFORMANCE DATA & PRESSURE CURVES 5.2.5.2 Heating Suction Pressure - Heating (Technician Mode) 1200 1100 1000 Outdoor WB Temperature [°C] Discharge Pressure - Heating (Technician Mode) 3950 3700 3450 3200 2950 2700 2450 2200 1950 1700 1450 1200 Outdoor WB Temperature [°C] SM OU12HP 2-E.2 GB CONTENTS...
  • Page 24 PERFORMANCE DATA & PRESSURE CURVES EMD 100 DCI 5.3.1 Cooling Capacity (kW) ID COIL ENTERING AIR DB/WB TEMPERATURE [qC] OD COIL ENTERING AIR DB DATA 22/15 24/17 27/19 29/21 32/23 TEMPERATURE [qC] 80 - 110 % of nominal -10 – 20 80 - 105 % of nominal (protection range) 25 - 50 % of nominal...
  • Page 25 PERFORMANCE DATA & PRESSURE CURVES 5.3.3 Heating Capacity ID COIL ENTERING AIR DB TEMPERATURE [°C] OD COIL ENTERING AIR DB/WB DATA TEMPERATURE [°C] 7.32 6.81 6.30 -15/-16 1.86 2.05 2.24 8.15 7.64 7.12 -10/-12 2.24 2.43 2.62 8.77 8.26 7.75 -7/-8 2.53 2.72...
  • Page 26 PERFORMANCE DATA & PRESSURE CURVES 5.3.5 Pressure Curves Cooling – Technician Mode) 5.3.5.1 Cooling Suction Pressure - Cooling (Technician Mode) 1400 1300 1200 32/23 1100 29/21 1000 27/19 24/17 22/15 Outdoor DB Temperature [°C] Discharge Pressure - Cooling (Technician Mode) 4000 3750 3500...
  • Page 27 PERFORMANCE DATA & PRESSURE CURVES 5.3.5.2 Heating Suction Pressure - Heating (Technician Mode) 1300 1200 1100 1000 Outdoor WB Temperature [°C] Discharge Pressure - Heating (Technician Mode) 4000 3750 3500 3250 3000 2750 2500 2250 2000 1750 1500 1250 1000 Outdoor WB Temperature [°C] 5-12 SM OU12HP 2-E.2 GB...
  • Page 28 PERFORMANCE DATA & PRESSURE CURVES EMD 125 DCI 5.4.1 Cooling Capacity (kW) ID COIL ENTERING AIR DB/WB TEMPERATURE [qC] OD COIL 22/15 24/17 27/19 29/21 32/23 ENTERING AIR DB DATA TEMPERATURE [qC] 80 - 110 % of nominal -10 – 20 80 - 105 % of nominal (protection range) 25 - 50 % of nominal...
  • Page 29 PERFORMANCE DATA & PRESSURE CURVES 5.4.3 Heating Capacity ID COIL ENTERING AIR DB TEMPERATURE [°C] OD COIL ENTERING AIR DB/WB DATA TEMPERATURE [°C] 8.91 8.29 7.67 -15/-16 2.47 2.72 2.97 9.92 9.30 8.67 -10/-12 2.97 3.22 3.47 10.68 10.05 9.43 -7/-8 3.35 3.60...
  • Page 30 PERFORMANCE DATA & PRESSURE CURVES 5.4.5 Pressure Curves Cooling – Technician Mode) 5.4.5.1 Cooling Suction Pressure - Cooling (Technician Mode) 1400 1300 1200 32/23 1100 29/21 1000 27/19 24/17 22/15 Outdoor DB Temperature [°C] Discharge Pressure - Cooling (Technician Mode) 4000 3750 3500...
  • Page 31 PERFORMANCE DATA & PRESSURE CURVES 5.4.5.2 Heating Suction Pressure - Heating (Technician Mode) 1300 1200 1100 1000 Outdoor WB Temperature [°C] Discharge Pressure - Heating (Technician Mode) 4000 3750 3500 3250 3000 2750 2500 2250 2000 1750 1500 1250 1000 Outdoor WB Temperature [°C] 5-16 SM OU12HP 2-E.2 GB...
  • Page 32 PERFORMANCE DATA & PRESSURE CURVES CD 140 DCI 5.5.1 Cooling Capacity (kW) ID COIL ENTERING AIR DB/WB TEMPERATURE [ºC] OD COIL ENTERING AIR DATA 22/15 24/17 27/19 29/21 32/23 DB TEMPERATURE [ºC] 80 - 110 % of nominal -10 - 20 80 - 105 % of nominal (protection range) 25 - 50 % of nominal...
  • Page 33 PERFORMANCE DATA & PRESSURE CURVES 5.5.3 Heating Capacity ID COIL ENTERING AIR DB TEMPERATURE [°C] OD COIL ENTERING AIR DB/WB DATA TEMPERATURE [°C] 10.18 9.47 8.76 -15/-16 2.64 2.91 3.18 11.34 10.62 9.91 -10/-12 3.18 3.45 3.72 12.20 11.49 10.78 -7/-8 3.59 3.86...
  • Page 34 PERFORMANCE DATA & PRESSURE CURVES 5.5.5 Pressure Curves Cooling – Technician Mode) 5.5.5.1 Cooling Suction Pressure - Cooling (Technician Mode) 1400 1300 1200 1100 32/23 29/21 1000 27/19 24/17 22/15 Outdoor DB Temperature [°C] Discharge Pressure - Cooling (Technician Mode) 4000 3750 3500...
  • Page 35 PERFORMANCE DATA & PRESSURE CURVES 5.5.5.2 Heating Suction Pressure - Heating (Technician Mode) 1300 1200 1100 1000 Outdoor WB Temperature [°C] Discharge Pressure - Heating (Technician Mode) 4000 3750 3500 3250 3000 2750 2500 2250 2000 1750 1500 1250 1000 Outdoor WB Temperature [°C] 5-20 SM OU12HP 2-E.2 GB...
  • Page 36 PERFORMANCE DATA & PRESSURE CURVES Capacity Correction Factor for Tubing Length 5.6.1 Cooling 1.05 1.00 0.95 0.90 0.85 0.80 0.75 Tubing Lenght [m] 5.6.2 Heating 1.05 1.00 0.95 0.90 0.85 0.80 0.75 Tubing Lenght [m] SM OU12HP 2-E.2 GB 5-21 CONTENTS...
  • Page 37 PERFORMANCE DATA & PRESSURE CURVES Pressure Correction Factor for Tubing Length 5.7.1 Cooling Pressure vs Tubing Lenght (COOLING) 1.02 1.02 1.00 1.00 Cooling Discharge Pressure 0.98 0.98 0.96 0.96 0.94 0.94 Cooling Suction Pressure 0.92 0.92 0.90 0.90 0.88 0.88 0.86 0.86 Total Tubing Length [m]...
  • Page 38 PERFORMANCE DATA & PRESSURE CURVES Calculation Example Outdoor Unit OU12 5HP DCI Indoor Unit DNG 125 DCI Operation Mode Cooling Mode Conditions Indoor 22qCDB/15qWB Conditions Oudoor 30qCDB Tubing length Cooling Capacity calculation: Total Cooling Capacity (TC) [KW] = Capacity in conditions table x F Cooling Capacity in table [KW] Tubing Length Factor (F Corrected Capacity [KW]...

  • Page 39: Airflow Curves

    AIRFLOW CURVES AIRFLOW CURVES Model: DNG 100 DCI Nominal System Curve Max System Curve Medium Speed Air Flow vs. External Static Pressure Low Speed High Speed Operating Range Performance test point at 37 Pa 1,000 1,200 1,400 1,600 1,800 2,000...
  • Page 40 AIRFLOW CURVES Model: EMD 100 DCI Model: EMD 125 DCI SM OU12HP 2-E.2 GB CONTENTS...

  • Page 41: Rating Conditions

    AIRFLOW CURVES Model: CD 140 DCI DNG / EMD / CD UNITS RANGE AIR FLOW CORRECTION FACTORS (at nominal rating conditions — Test mode). Air Flow Rate [% of nominal] 100% 0.88 0.91 0.94 0.97 Cooling 0.78 0.84 0.89 0.95 0.95 0.97 0.98...

  • Page 42: Sound Level Characteristics

    SOUND LEVEL CHARACTERISTICS SOUND LEVEL CHARACTERISTICS Indoor Units Test Scheme Figure 1 Sound Pressure Level Spectrum (Measured as Figure 1) DNG 100 DNG 125 NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROXIMATE APPROXIMATE THRESHOLD OF THRESHOLD OF...
  • Page 43 SOUND LEVEL CHARACTERISTICS EMD 100 EMD 125 CD 140 NC-70 NC-60 NC-50 NC-40 NC-30 APPROXIMATE THRESHOLD OF HEARING FOR NC-20 CONTINUOUS NOISE BAND CENTER FREQUENCIES, Hz FAN SPEED LINE SM OU12HP 2-E.2 GB CONTENTS...
  • Page 44 SOUND LEVEL CHARACTERISTICS Outdoor Units Figure 2 Sound Pressure Level Spectrum ( Measured as Figure 2) OU12 4HP DCI Cooling OU12 4HP DCI Heating OU12 5HP DCI Cooling OU12 5HP DCI Heating SM OU12HP 2-E.2 GB CONTENTS...

  • Page 45: Sm Ou12Hp 2-E.2 Gb Contents

    SOUND LEVEL CHARACTERISTICS OU12 6HP DCI Cooling OU12 6HP DCI Heating SM OU12HP 2-E.2 GB CONTENTS...

  • Page 46: Electrical Data

    ELECTRICAL DATA ELECTRICAL DATA Single Phase Units MODEL OU12 4PH DCI OU12 5-6PH DCI Power Supply 1PH – 230V – 50 Hz Outdoor Indoor Outdoor Indoor Connected to Max Current Inrush Current Starting Current Circuit Breaker Power Supply Wiring 3 X 4.0 mm 3 X 1.5 mm 3 X 6.0 mm 3 X 1.5 mm...

  • Page 47: Wiring Diagrams

    WIRING DIAGRAMS WIRING DIAGRAMS Indoor Unit: DNG 100, DNG 125 DCI SM OU12HP 2-E.2 GB CONTENTS...
  • Page 48 WIRING DIAGRAMS Indoor Unit: EMD 100, EMD 125 DCI SM OU12HP 2-E.2 GB CONTENTS...
  • Page 49 WIRING DIAGRAMS Indoor Units: CD 140 DCI SM OU12HP 2-E.2 GB CONTENTS...
  • Page 50 WIRING DIAGRAMS Outdoor Units: OU12 4-5HP DCI Outdoor Units: OU12 6HP DCI SM OU12HP 2-E.2 GB CONTENTS...
  • Page 51 WIRING DIAGRAMS 1PH UNITS POWER SUPPLY TO OUTDOOR (10.0, 12.5 Kw units) Indoor Unit Power Supply Cable Main Power Breaker Outdoor Unit Interconnecting cable (2x0.75mm Power Interconnecting Cable (3x1.5mm Wireless remote Control Display Unit Display Connector Power Breaker (*by installer) Control Cable** Sensor Wire with connector Room Temperature Sensor...
  • Page 52 WIRING DIAGRAMS 1PH UNITS POWER SUPPLY TO OUTDOOR and INDOOR UNIT SEPERATELY (10.0, 12.5 Kw units) 1. Indoor Unit 2. Power Supply Cable 3. Main Power Breaker 4. Outdoor Unit 5. Interconnecting cable (2x0.75mm 6. Wireless remote Control 7. Display Unit 8.

  • Page 53: Refrigeration Diagrams

    REFRIGERATION DIAGRAMS REFRIGERATION DIAGRAMS 10.1 Heat Pump Models 10.1.1 DNG 100 / 125 DCI, EMD 100 / 125 DCI, CD 140 DCI Cooling mode Heating mode SM OU12HP 2-E.2 GB 10-1 CONTENTS...

  • Page 54: Tubing Connections

    TUBING CONNECTIONS TUBING CONNECTIONS TUBE (Inch) ¼” ” ½” ” ¾” TORQUE (Nm) Flare Nuts 15-18 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 55: Control System

    CONTROL SYSTEM CONTROL SYSTEM 12.1 Abbreviations Abbreviation Definition Air Conditioner Building Management System Compressor Current Crankcase Heater COMP Compressor Compressor Top Temperature sensor DC Inverter E²PROM, EEP Erase Enable Programmable Read Only Memory Electronic Expansion Valve Heating Element Human Machine Interface Heat Sink Temperature sensor Hertz (1/sec) –...

  • Page 56: Product Overview

    CONTROL SYSTEM 12.2 Product Overview 12.2.1 Block Diagram Line Filter Compressor 230VAC Driver Inrush Control (4-5HP Only) Speed AC Current DC Current Inrush Driver Control Control ODU Controller OFAN Control Display OFAN IDU Controller Control Communication IFAN Inputs Temp. 230V Control contacts contact...
  • Page 57 CONTROL SYSTEM 12.2.5 Reverse Valve set the direction of refrigerant flow in the system, thus setting the operation mode for cooling or heating. When the solenoid is powered, system will work in heat mode. 12.2.6 Expansion valve operated by step motor which controls the size of the orifice. 12.2.7 Consists of Four “7-Segments”...
  • Page 58 CONTROL SYSTEM 12.2.10 Base Heater Heating element designed to melt any ice that is accumulated on the outdoor unit base during low heating operation. 12.2.11 Cranck case Heater Heating element designed to heat up the compressor oil cranck case during low heating operation.
  • Page 59 CONTROL SYSTEM (2) Thermistor is defined as faulty (shorted/disconnected) if it’s faulty for more than 10 seconds continuously. During this time, the system uses the last valid temperature. 12.4 Indoor Unit Control 12.4.1 Indoor Fan Control When user sets the indoor fan speed to a fixed speed (Low/ Medium/ High), unit will operate constantly at set speed.
  • Page 60 CONTROL SYSTEM 12.4.4 Auto Cool/Heat Mode When in auto cool heat mode unit will automatically select between cool and heat mode according to the difference between actual room temperature and user set point temperature ( T). Unit will switch from cool to heat when compressor is off for 3 minutes, and T < -3. Unit will switch from heat to cool when compressor is off for 5 minutes, and T <...

  • Page 61: Run Mode

    CONTROL SYSTEM STANDBY Lights up when the Air Conditioner is connected to power and is ready for operation INDICATOR 1. Lights up during operation. 2. Blinks for 300 msec to announce that a R/C infrared signal has been received OPERATE INDICATOR and stored.
  • Page 62 CONTROL SYSTEM 12.5.2.4 Compressor operation while OFAN Error In case an OFAN error a cured for 10 continues seconds and the compressor is on, the compressor will be set to OFF until OFAN error will recover. 12.5.2.5 Maximum allowed speed limitation For cool mode: For Heat mode: MaxFreqH...
  • Page 63 CONTROL SYSTEM Shutdown Shutdown Reason procedure IDU NLOAD=0 (or IDU protections) Gradual Minimum On time is kept. IDU Shutdown (idle) Immediate Deicing Immediate ODU Protections Gradual Sensor faulty (CTT or OCT+OMT) Immediate HPS protection Immediate LPS protection Gradual (Only in 6HP units) 12.5.3 EEV Control 12.5.3.1...
  • Page 64 CONTROL SYSTEM 12.5.4.2 General Rules ™ The fans will be off when the compressor is off unless HST>55 or faulty and than OFAN_up will remain ON. ™ Min time for speed change between speed states is 60 seconds. ™ The fan speed is also related to protections. ™...
  • Page 65 CONTROL SYSTEM 12.5.9 Thermodynamic Protections 12.5.9.1 Protection level definition Five protection levels are defined: Normal – No protection status. Stop-Rise (SR) – Compressor not allowed raise speed. D1 - Compressor speed reduced. D2 - Compressor speed reduced rapidly. Stop-Compressor (SC) – Compressor stops. 12.5.9.2 IDU Protections ICT Value...
  • Page 66 CONTROL SYSTEM 12.5.10 Deicing 12.5.10.1 Deicing Starting Conditions Deicing operation will start when either one of the following conditions exist: Case 1: OCT is 8 degree lower then the ambiant temp and the minimum time from the last deicer is passed. Case 2: OCT is 12 degree lower then the ambiant temp and 30 minutes from the last deicer wa passed.
  • Page 67 CONTROL SYSTEM 12.5.11.1 1 Level Logic Level Don’t care Normal Don’t care Overflow Overflow when Overflow when unit is ON unit is OFF Overflow Water Level Normal OPER BLINK NLOAD is NLOAD forced to 0 PUMP 8 min 8 min 8 min 12.5.12 High/Low Pressure Protection...

  • Page 68: User Interface

    CONTROL SYSTEM 12.6.2 Technician mode procedure Indoor unit will enter technician test at high indoor fan speed. The outdoor unit will be working normally (according to the run mode control logic) except the following changes: o The dry contacts inputs will be ignored. o Protections will be operative for stop compressor only.
  • Page 69 CONTROL SYSTEM 12.7.1.1 Status (Sub Menu) Status (StAt) Value [qC] Operation Mode Cool Heat Load NLoad Value Family settings (FS) (In 6HP only) Family+model Operation Mode Cool Heat Deicing OFAN UP Value [x10RPM) OFAN DN Value [x10RPM] Cool, Heat Speed Value [RPS] Value [qC] Value [qC]...
  • Page 70 CONTROL SYSTEM Value Primary Current Value [Amp] CompessorCurrent Value [Amp] In 6HP Only Input current Value [Amp] Curent Release Value [Amp] Compressor Value Compressor Time (Cont) Value Model Name Model Designation 12-16 SM OU12HP 2-E.2 GB CONTENTS...
  • Page 71 CONTROL SYSTEM 12.7.2 Menus 12.7.2.1 Main Menu Mode (Cl/Ht/Sb) Technician Test (tt) Technician Test Cool (ttC) Technician Test Cool (ttH) Heat Diagnostics (dia) Outdoor Unit (OdU) First Fault code Second Fault code Third Fault code Forth Fault code Fifth Fault code Indoor Unit (IdU) First Fault code Second Fault code...
  • Page 72 CONTROL SYSTEM Parameters changing (Par) Change Parameters (CHG) Parameter No (Pxxx) Restore Factory Parameters (RST) Status (StAt) IDU (IdU) ODU (OdU) Notes: 1. The default presentation will be the mode of the unit (Cool/Heat/Stby). 2. In diagnostics menu: xx means failure code two numbers. Maximum 5 faults are presented for each unit (each IDUs/ODU).
  • Page 73 CONTROL SYSTEM 12.7.2.3 Status (Sub Menu) Status (StAt) Value [qC] Operation Mode Cool Heat Load NLoad Value Operation Mode Cool Heat Deicing OFAN UP Value [x10RPM) OFAN DN Value [x10RPM] Cool, Heat Speed Value [RPS] Value [qC] Value [qC] Value [qC] Value [qC] Value [qC] Value...
  • Page 74 CONTROL SYSTEM Primary Current Value [Amp] CompessorCurrent Value [Amp] Notes: x For the temperature display, when a thermistor is shorted or disconnected it shows FLT (FLt), when it is disabled it shows DIS (dis). x It’s possible to present a number between 999 and 99,999 by alternating between two numbers (each number is presented for 1 second).
  • Page 75 CONTROL SYSTEM 12.8.2.3. Family selection Jumper/DIP – J3, J4, J5 Family Name DNG 4-5HP EMD 4-5HP CD 6HP 12.8.2.4. Model selection Jumper/DIP – J7, J8 Model A – 4HP B – 5HP C – 6HP 12.8.2.5. Presence Detector/DIP – J9 Position Status Description Presence detector enabled (Default)
  • Page 76 CONTROL SYSTEM 12.8.4. Dip-Switch Setting table ODU 4HP ODU 5HP ODU 6HP DNG100 DNG125 EMD100 EMD125 CD140 Note: in some cases where an external room thermostat kit is installed, the configuration of J2 in the indoor unit controller will be set to OFF. 12-22 SM OU12HP 2-E.2 GB CONTENTS...

  • Page 77: System Parameters

    CONTROL SYSTEM 12.9 System Parameters 12.9.1 General Parameters for All Models 12.9.1.1 4-5HP Name Default Value Units MinOFFTime minute MinONTime minute HzDown1 Hz/min HzDown2 Hz/min DImin minute DImax minute TimeD minute DTmin minute DTmax minute minute CTMRUP minute minute second HSTOH1 °C HSTOH2...
  • Page 78 CONTROL SYSTEM 12.9.1.2 6HP Name Default Value Units MinOFFTime minute MinONTime minute HzDown1 Hz/min HzDown2 Hz/min DImin minute DImax minute TimeD minute DTmin minute DTmax minute minute CTMRUP minute minute second HSTOH1 °C HSTOH2 °C HSTOH3 °C HSTOH4 °C HSTOH5 °C HSTOHDelta1 HSTOHDelta2...
  • Page 79 CONTROL SYSTEM 12.9.2 ODU Model Dependent Parameters Name Unit DCI112 DCI140 DCI160 MinFreqC MaxFreqC MinFreqH MaxFreqH Step1Freq Step2Freq Step3Freq NightRPM *10RPM CTTOH1 °C CTTOH2 °C CTTOH3 °C CTTOH4 °C ACCOC1 16.6 23.6 23.0 ACCOC2 17.2 24.2 23.8 ACCOC3 17.6 24.6 24.4 ACCOC4 18.0...
  • Page 80 CONTROL SYSTEM 12.9.3 Indoor Units SW Parameters Parameters defining the indoor fan speed as a function of Indoor Coil temperature in heat mode (ICT): 12.9.3.1 Parameters for defrost protection: ICTST Speed ICT to stop indoor fan ICTVLSpeed ICT to go down to very low speed ICTLSpeed ICT to start in very low speed ICT to start in increase speed from very...

  • Page 81: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING 13.1 Precaution, Advise and Notice Items 13.1.1 High voltage in Indoor and Outdoor unit electrical assembly ƒ Open the Outdoor unit controller assembly only after one minute from power off. ƒ Whole controller assembly, including the wires, connected to the Outdoor unit may have the potential hazard voltage when power is on.
  • Page 82 TROUBLESHOOTING 13.2 General System Failures and Corrective Actions SYMPTOM / PROBABLE CORRECTIVE ACTION PROBLEM CAUSE Indoor unit No Power Check supply voltage to main terminals L and N supply with volt meter. No supply from Check fuse at the connection wiring on outdoor outdoor unit terminals (see Electrical Scheme 9.4) Indoor unit power...
  • Page 83 TROUBLESHOOTING SYMPTOM / PROBABLE CORRECTIVE ACTION PROBLEM CAUSE Indoor unit Water leakage from drainage tube is Check and open drainage tube indoor unit blocked Outdoor unit No power Check supply voltage to main terminals L and N supply with volt meter. Check all supply wiring to controller and Miss-wiring Outdoor unit display...
  • Page 84 TROUBLESHOOTING SYMPTOM / PROBABLE CORRECTIVE ACTION PROBLEM CAUSE Unit size not Check if the size chosen for the complete match the load room(s) load is enough or need bigger units Piping size Check if piping is installed correctly and proper not matching diameter size and total length is according to system...
  • Page 85 TROUBLESHOOTING SYMPTOM / PROBABLE CORRECTIVE ACTION PROBLEM CAUSE Electronic Check for any fault code shown on display control board and act accordingly (13.4) EEV problem Check EEV (13.5.12) Refrigerant Check refrigeration system (13.3) leakage Indoor coil block Clean filters and/or remove block Compressor is over Indoor fan Check indoor fan motor and capacitor (13.5.19)
  • Page 86 TROUBLESHOOTING SYMPTOM / PROBABLE CORRECTIVE ACTION PROBLEM CAUSE Other home appliances operation is faulty such as noise appears in the television picture, interference by Check for EMC problems (13.5.20.2) or the picture is the A/C unit distorted or static occurs in the radio sound Specific problems...
  • Page 87 TROUBLESHOOTING Problem OCT is disconnected OCT is shorted CTT is disconnected CTT is shorted HST is disconnected (when enabled) HST is shorted (when enabled) OAT is disconnected OAT is shorted OMT is disconnected OMT is shorted IPM Fault Bad EEPROM DC under voltage DC over voltage AC under voltage...
  • Page 88 TROUBLESHOOTING 13.4.2 Outdoor unit diagnostics and corrective actions Fault Name Fault Description Corrective Action OCT is disconnected OCT is shorted CTT is disconnected CTT is shorted HST is disconnected Thermistor not connected (when enabled) or damaged Check Thermistor (13.5.13) HST is shorted (when enabled) OAT is disconnected OAT is shorted...
  • Page 89 TROUBLESHOOTING Fault Name Fault Description Corrective Action Check power supply to driver No Communication to Driver fault Check driver communication Driver (13.5.16) Current sensor Fault Driver fault Replace Compressor Driver Check that the airflow around the ODU is free and the fan is running Heat sink Over Compressor stopped due free...
  • Page 90 TROUBLESHOOTING Fault Name Fault Description Corrective Action Normally no action is required If the problem persists for more than twice on each hour, check for refrigerant clog. High pressure Compressor stopped due Check the switch operation (13.5.14) protection to high pressure protection Check the EEV (13.5.12) Check the Outdoor fans (13.5.9) Check the Indoor fans (13.5.19)
  • Page 91 TROUBLESHOOTING Fault Name RT-1 is disconnected RT-1 is shorted RT-2 is disconnected RT-2 is shorted … Reserved Communication mismatch No Communication No Encoder Reserved Outdoor Unit Fault … Reserved Defrost protection Deicing Protection Outdoor Unit Protection Indoor Coil HP Protection Overflow Protection …...
  • Page 92 TROUBLESHOOTING Fault Probable Cause Corrective Action Normally no action is required If the problem persists for more than twice on each hour, Check for any fault code shown on outdoor unit display board Compressor stopped Outdoor Unit and act accordingly (13.4) due to outdoor unit Protection Check the EEV (13.5.12)
  • Page 93 TROUBLESHOOTING 13.5 Procedures for checking Main Parts 13.5.1 Discharge DC Voltage High voltage!!! Wait for DC voltage to be discharged before re touching any part of the driver to avoid electric shock. Check to ensure that DC voltage has reduced to below 50VDC, if not, keep waiting until it does.
  • Page 94 TROUBLESHOOTING Use a digital multi meter in diode checking function Connect the “V:” side of the tester to the “P1” terminal of driver and the “COM” side of the tester to “R” and “S” of driver, measure the diode voltage. Voltage should be “OL”...
  • Page 95 TROUBLESHOOTING Connect the “V:” side of the tester to the “P” terminal of driver and the “COM” side of the tester to “U”, “V” and “W” of driver, measure the diode voltage. Voltage should be “OL” (Over Load). Connect the “COM“ side of the tester to the “N” terminal of driver and the “V:”...
  • Page 96 TROUBLESHOOTING Connect the “COM“ side of the tester to the “N” terminal of driver and the “V:” side of the tester to “T/RB” of driver, measure the diode voltage. Voltage should be “OL” (Over Load). Replacing driver - (14.1.15) 13.5.5.2 Remove all the terminals of the driver before checking.
  • Page 97 TROUBLESHOOTING Connect the “COM“ side of the tester to the “CAPA+” terminal of driver and the “V:” side of the tester to “U”, “V” and “W” of driver, measure the diode voltage. Voltage should be 0.4~0.8VDC. CAPA- CAPA+ Connect the “V:” side of the tester to the “CAPA+” terminal of driver and the “COM”...
  • Page 98 TROUBLESHOOTING 2) Check capacitance between the + and – poles, should be 2820±560PF (4-5HP) or 4920±980PF (6HP) – replace if not. Replacing DC Capacitor board - (14.1.18) 13.5.8 Checking fuse on Main Board If the 3.15A fuse on the main Board is burnt check the outdoor fans or any other peripheral that can cause a short: 1) In case of a problematic peripheral - replace it.
  • Page 99 TROUBLESHOOTING OFAN_UP OFAN_DN 3)b Check motor current 4) Check motor current Replacing outdoor unit fan motor - (14.1.6) Replacing main board - (14.1.13) 13.5.10 Checking Compressor 1) Check Compressor connections - Repair if needed. 2) Check the resistance between the three phases – all three coil resistances should be the same: around 0.188 .
  • Page 100 TROUBLESHOOTING 1) Check the impedance in the coil wires to be as following: Grey wire to each of the other wires – about 100Ÿ Other wires – each one to the others (except grey) – about 50Ÿ 2) When Outdoor unit is powered on, EEV shall have vibration and click sound. If not, replace the coil with the additional one and check again –...
  • Page 101 TROUBLESHOOTING CTT Chart R-T Table =50k: 25°C =3977K 25/85°C 1000.0 100.0 10.0 Temperature [C] Replacing thermistor - (14.1.11, 14.1.12, 14.2.9) Replacing main board - (14.1.13) 13.5.14 Checking High Pressure Switch (HPS) 1) Disconnect HPS connector from the main board and check resistance between the 2 pins of the HPS connector –...
  • Page 102 TROUBLESHOOTING 13.5.17 Checking Indoor-Outdoor Unit Communications 1) Disconnect the wire cable from the connectors on both sides (main board and terminal block), check the wiring continuity – Repair or replace wiring if needed. 2) Check the continuity of the connecting wiring between indoor and outdoor units – Repair or replace wiring if needed.
  • Page 103 TROUBLESHOOTING Problem: 1) Noise appears in the television picture, or the picture is distorted. 2) Static occurs in the radio sound. Correction Actions: 1) Select a separate power source. 2) Keep the A/C and A/C wiring at least 1 meter away from wireless devices and antenna cables.

  • Page 104: Servicing

    SERVICING SERVICING 14.1 Outdoor Unit TURN OFF ALL POWER SOURCE BEFORE HANDLING THE UNIT Note: To reassemble perform the procedures in reverse. 14.1.1 Removing Service (front) panel Remove the 8 fixing screws and slide the service (front) panel downwards to remove it. Note: Do not flip the panel forward on the top side as not to damage the controller.
  • Page 105 SERVICING 14.1.3 Removing side panel Remove the top cover as in above 14.1.2. Remove the 2 screws holding the electrical plastic cover and disconnect the power supply cords. Remove the 9 fixing screws and take out the side panel. Removing Electrical Cover Removing side panel 14.1.4 Removing Air Outlet Grille(s)
  • Page 106 SERVICING 14.1.6 Removing Outdoor Fan Motor Remove the outdoor fan according to 14.1.5. Disconnect the motor connector from the main board. Cut the nylon ties holding the motor cable. Remove the four (4) fixing screws for the motor. NOTES for re-assemble the motor: When mounting the motor, ensure the cables point downwards.
  • Page 107 SERVICING 14.1.9 Removing Refrigeration parts Refrigeation parts: Expansion valve, Reversing valve, high pressure switch, etc. Remove the refrigerant from the unit by a pumping machine via the 2 valves. Note: open the valves gradually and leave them only partially open for as long as the refrigerant exerts from the unit.
  • Page 108 SERVICING Disconnect Removing Compressor Insulation Removing Compressor 14.1.11 Removing Tubing Thermistors Remove the service front panel according to 14.1.1. Remove the side and top panels according to 14.1.2, 14.1.3 Check to ensure that LEDs and display board are OFF. Disconnect the thermistor connector from the main board.
  • Page 109 SERVICING 14.1.13 Removing main board Remove the service front panel according to 14.1.1. Check to ensure that LEDs and display board are OFF. Disconnect all connectors from the main board. Squeeze the 8 spacers head with Long- Nose Pliers and pull out the board. Note: It might be easier to remove the main board panel first and than pull out the board from its spacers.
  • Page 110 SERVICING 14.1.14 Removing Electrical assembly Remove the service front panel according to 14.1.1. Remove the side and top panels according to 14.1.2, 14.1.3. Check to ensure that LEDs and display board are OFF. Disconnect the following connectors from the main board: RV, thermistors (4), HPS and EEV. Remove the compressor electrical cover.
  • Page 111 SERVICING 14.1.15 Removing driver module 14.1.15.1 4-5HP Remove the electrical assembly according to 4.1.14. Remove the three (3) screws fixing the main board panel to the assembly and take the panel out. Remove the earth tab connection from the line filter. Remove the five (5) screws fixing the terminal panel to the assembly and take the panel out.
  • Page 112 SERVICING 14.1.16 Re-assembling driver module 14.1.16.1 4-5HP Wipe out the heat sink and the driver plate with cloth soaked with alcohol. Wipe out the heat sink screw holes as well by inserting the cloth deeply into the holes but beware not to damage the screwing paths.
  • Page 113 SERVICING 14.1.17 Removing Chocks Coils 14.1.17.1 4-5HP Perform the driver module removal procedure in 14.1.15 from 1 to 6. Remove the 4 screws holding the chock coils box to the driver panel. Take out the chock coils box while pulling the wires out through the rubber grommet.
  • Page 114 SERVICING 14.1.19 Removing Line Filter board 14.1.19.1 4-5HP Perform the driver module removal procedure in 14.1.15 from 1 to 4 and #6 but first release N and L wires from the line filter. Squeeze the 7 spacers head with Long-Nose Pliers and pull out the board.
  • Page 115 SERVICING 14.2 Indoor Unit: DNG 14.2.1 Electronics Assembly Remote Access In cases of hard access to control assembly it is made possible to release the assembly from the indoor unit chassis. Remove the 4 fixing screws and relocate the Electronics assembly . 14.2.2 Removing Electronics Assembly Remove the 2 fixing screws and take out the...
  • Page 116 SERVICING 14.2.4 Removing Service Panel Remove the 2 fixing screws from the filter side, push the service panel back and remove it. 14.2.5 Removing Fan Assembly Remove the Service Panel according to 14.2.4. Disconnect the motor connector inside the unit and cut off the nylon ties holding the motor cable.
  • Page 117 SERVICING 14.2.6 Removing Fan Motor 14.2.7 Removing Fan 14.2.8 Removing motor capacitor Disconnect the tab connections from the to be capacitor. Remove the nut holding the capacitor to be holder. 14-14 SM OU12HP 2-E.2 GB CONTENTS...
  • Page 118 SERVICING 14.2.9 Removing Thermistors Disconnect the thermistor connector from the main board. Cut the nylon ties holding the wires to the pipes or chassis. ICT thermistor only - Pull up the spring from the housing while pulling out the thermistor. Notes for re-assemble the ICT thermistor: Make sure the spring is inserted first and is facing the tube to be attched to.
  • Page 119 SERVICING 14.3 Indoor Unit: EMD 14.3.1 Electronics Assembly Remote Access In cases of hard access to control assembly it is made possible to release the assembly from the indoor unit chassis. Remove the 4 fixing screws and relocate the Electronics assembly . 14.3.2 Removing Electronics Assembly Remove the 2 fixing screws and take out the...
  • Page 120 SERVICING 14.3.4 Removing Service Panel Remove the 6 fixing screws and pull the service panel to remove it. 14.3.5 Removing Fan and Fan Motor Disconnect the motor connector from the Electronics Board. Remove the Service Panel according to 14.3.4. Push the motor cable back into the unit through the grommet.

  • Page 121: Indoor Air Thermistor (Rat) Indoor Coil Thermistor (Ict)

    SERVICING 14.3.7 Removing Thermistors Disconnect the thermistor connector from the main board. Cut the nylon ties holding the wires to the pipes or chassis. ICT thermistor only - Pull up the spring from the housing while pulling out the thermistor. Notes for re-assemble the ICT thermistor: Make sure the spring is inserted first and is facing the tube to be attched to.
  • Page 122 SERVICING 14.4 Indoor Unit: CD 14.4.1 Electronics Assembly Remote Access In cases of hard access to control assembly it is made possible to release the assembly from the indoor unit chassis. Remove the 4 fixing screws and relocate the Electronics assembly . 14.4.2 Removing Electronics Assembly Remove the 2 fixing screws and take out the...
  • Page 123 SERVICING 14.4.4 Removing Service Panels Remove the 15 fixing screws and pull the service panel to remove it. "J" 14.4.5 Removing Fan and Fan Motor Disconnect the motor connectors from the Electronics Board. Remove the Service Panel according to 14.3.4. Push the motors cable back into the unit through the gromet.

  • Page 124: Removing Float Switch

    SERVICING 14.4.7 Removing Thermistors Disconnect the thermistor connector from the main board. Cut the nylon ties holding the wires to the pipes or chassis. ICT thermistor only - Pull up the spring from the housing while pulling out the thermistor. Notes for re-assemble the ICT thermistor: Make sure the spring is inserted first and is facing the tube to be attched to.

  • Page 125: Exploded Views And Spare Parts Lists

    EXPLODED VIEWS AND SPARE PARTS LISTS EXPLODED VIEWS AND SPARE PARTS LISTS 15.1 Indoor Unit: DNG 100, DNG 125 DCI - Exploded View Option for External Room Temperature Sensor SM OU12HP 2-E.2 GB 15-1 CONTENTS...
  • Page 126 EXPLODED VIEWS AND SPARE PARTS LISTS 15.2 Indoor Unit: DNG 100 DCI - Spare Part List Part No. Description 473525 IU COIL GR/HDR DNG 100 DCI 473231 FLOAT SUPPORT DNG 473902 DNG METAL FILTER 37-44 473247 INSULATED DRAIN POOL ASSY DNG...
  • Page 127 EXPLODED VIEWS AND SPARE PARTS LISTS 15.3 Indoor Unit: DNG 125 DCI - Spare Part List Part No. Description 473532 IU COIL GR/HDR DNG 125 DCI 473231 FLOAT SUPPORT DNG 473902 DNG METAL FILTER 37-44 473247 INSULATED DRAIN POOL ASSY DNG 473700 DNG OVER FLOW SWITCH 473245...
  • Page 128 EXPLODED VIEWS AND SPARE PARTS LISTS 15.4 Indoor Unit: EMD 100 DCI - Exploded View Option for External Room Temperature Sensor 15-4 SM OU12HP 2-E.2 GB CONTENTS...
  • Page 129 EXPLODED VIEWS AND SPARE PARTS LISTS 15.5 Indoor Unit: EMD 100 DCI - Spare Part List Part No. Description 439978 IU COIL GR/HDR EMD 34/ 100 402347 AIR FILTER EMD 775-1000 438032 RT DRAIN PAN ASSY 3/4 EMDB 2 467300107R DCI 456 HP IDU STORM 404020 CABLE 8 WIRES 7M WTH CONNECT...
  • Page 130 EXPLODED VIEWS AND SPARE PARTS LISTS 15.6 Indoor Unit: EMD 125 DCI - Exploded View Option for External Room Temperature Sensor 15-6 SM OU12HP 2-E.2 GB CONTENTS...
  • Page 131 EXPLODED VIEWS AND SPARE PARTS LISTS 15.7 Indoor Unit: EMD 125 DCI - Spare Part List Part No. Description 439991 RT IU COIL GR/HDR EMD 125 DCI 402083 AIR FILTER EMD 1800 438069 DRAIN PAN ASSY EMDB60 467300107R DCI 456 HP IDU STORM 404020 CABLE 8 WIRES 7M WTH CONNECTOR 438778...
  • Page 132 EXPLODED VIEWS AND SPARE PARTS LISTS 15.8 Indoor Unit: CD 140 DCI - Exploded View Optional Option for External Room Temperature Sensor Optional 15-8 SM OU12HP 2-E.2 GB CONTENTS...
  • Page 133 EXPLODED VIEWS AND SPARE PARTS LISTS 15.9 Indoor Unit: CD 140 DCI - Spare Part List Part No. Description 475530 Indoor Coil 3Rows 7mm CD60 DCI 221546 AIR FILTER CD 60 475015 INSULATED DRAIN PAN ASSY CD 60 473700 DNG OVER FLOW SWITCH 467300208R STORM DCI 6HP 404020...
  • Page 134 EXPLODED VIEWS AND SPARE PARTS LISTS 15.10 OU12 4-5HP DCI - Exploded View 15.10.1 Outdoor Unit General Assembly 15-10 SM OU12HP 2-E.2 GB CONTENTS...
  • Page 135 EXPLODED VIEWS AND SPARE PARTS LISTS 15.10.2 Outdoor Unit Tubing Assembly SM OU12HP 2-E.2 GB 15-11 CONTENTS...
  • Page 136 EXPLODED VIEWS AND SPARE PARTS LISTS 15.10.3 Outdoor Unit Electronics Assembly 15-12 SM OU12HP 2-E.2 GB CONTENTS...
  • Page 137 EXPLODED VIEWS AND SPARE PARTS LISTS 15.11 Outdoor Unit: OU12 4HP DCI - Spare Part List Description 437045 UPPER COVER EL13 OU LARGE 416217 SIDE PANEL OU12 DCI 4-5HP 436356 LARGE ELECTRICAL COVER OU/WMQ 416215 FRONT COVER OU12 DCI 4-5HP 416216 FRONT Panel OU12 DCI 4-5HP 437091...
  • Page 138 EXPLODED VIEWS AND SPARE PARTS LISTS 15.12 Outdoor Unit: OU12 5HP DCI - Spare Part List Description 437045 UPPER COVER EL13 OU LARGE 416217 SIDE PANEL OU12 DCI 4-5HP 436356 LARGE ELECTRICAL COVER OU/WMQ 416215 FRONT COVER OU12 DCI 4-5HP 416216 FRONT Panel OU12 DCI 4-5HP 437091...
  • Page 139 EXPLODED VIEWS AND SPARE PARTS LISTS 15.13 OU12 6HP DCI - Exploded View 15.13.1 Outdoor Unit General Assembly SM OU12HP 2-E.2 GB 15-15 CONTENTS...
  • Page 140 EXPLODED VIEWS AND SPARE PARTS LISTS 15.13.2 Outdoor Unit Tubing Assembly 15-16 SM OU12HP 2-E.2 GB CONTENTS...
  • Page 141 EXPLODED VIEWS AND SPARE PARTS LISTS 15.13.3 Outdoor Unit Electronics Assembly Compressor SM OU12HP 2-E.2 GB 15-17 CONTENTS...
  • Page 142 EXPLODED VIEWS AND SPARE PARTS LISTS 15.13.4 Outdoor Unit Spare Part List Item Description Quantity 416246 UPPER COVER ASSY OU12 DCI 4-5H 417218 SIDE PANEL ASSY OU12 6HP DCI 436356 LARGE ELECTRICAL COVER OU/WMQ 416215 FRONT COVER OU12 DCI 4-5HP 417219 FRONT PANEL ASSY OU12 6HP DCI 437091...

  • Page 143: Optional Accessories

    OPTIONAL ACCESSORIES OPTIONAL ACCESSORIES 16.1 RCW Wall Mounted Remote Control 16.1.1 The RCW wall mounted remote control can be fitted to a large range and models, It can be used as IR (wirless mode) or wired controler.the RCW can control up to15 indoor units using the same settings (on its wired aplication).
  • Page 144 OPTIONAL ACCESSORIES 16.2 RCW2 Wall Mounted Remote Control 16.2.1 The RCW2 wall mounted remote controler is a wired controler that can provide affective controling management up to 15 different settings and temp’ zones. The RCW2 can be connected up to a max’ of 32 units,allowing a max wiring length of 1000m for application on WNG LED indoor units an additional interface PCB is needed.
  • Page 145 OPTIONAL ACCESSORIES 16.3 Base Heater PN: 439878 Before starting the heaters connection verify that the unit is disconnected from main power supply!! BASE HEATERT INSTALLATION INSTRUCTIONS Check the installation manual for further information The kit includes 1. One 70W PT heating element. 2.
  • Page 146 OPTIONAL ACCESSORIES 16-4 SM OU12HP 2-E.2 GB CONTENTS...
  • Page 147 OPTIONAL ACCESSORIES 16.4 Crank Case Heater PN: 190443 Before starting the heaters connection verify that the unit is disconnected from main power supply!! CRANK CASE HEATERS INSTALLATION INSTRUCTIONS Check the installation manual for further information The kit includes 1. One 50W heating element. 2.
  • Page 148 OPTIONAL ACCESSORIES 16.5 Room Thermostat Room Thermostat kit PN: 442298 Thermistor with connector PN: 442296 Before starting the connection verify that the unit is disconnected from main power supply!! ROOM THERMOSTAT INSTALLATION INSTRUCTIONS Check the installation manual for further information Supplied components list: Item Thermostat box...

  • Page 149: Appendix A

    APPENDIX A APPENDIX A INSTALLATION AND OPERATION MANUALS ► INSTALLATION INSTRUCTION DNG DCI ► INSTALLATION INSTRUCTION EMD DCI ► INSTALLATION INSTRUCTION CD DCI ► INFRARED REMOTE CONTROL RECEIVER ► OPERATION MANUAL RC-3 ► OPERATION MANUAL RC-4 ► OPERATION MANUAL RC-7 SM OU12HP 2-E.2 GB 17-1 CONTENTS...

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