Electra DELTA 18ST Service Manual
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Electra DELTA 18ST Service Manual

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Service Manual

REFRIGERANT
R410A
SM DELTA 1-E.0 GB
DELTA 18-21-24
Indoor Units
DELTA 18
DELTA 21
DELTA 24
JUNE – 2010
CONTENTS
Outdoor Units
GC 18
GC 22
OU7-24
OU7-24Z
COOLING ONLY
HEAT PUMP

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  • Page 1: Service Manual

    Service Manual DELTA 18-21-24 Indoor Units Outdoor Units DELTA 18 GC 18 DELTA 21 GC 22 OU7-24 DELTA 24 OU7-24Z REFRIGERANT COOLING ONLY R410A HEAT PUMP JUNE – 2010 SM DELTA 1-E.0 GB CONTENTS...
  • 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 Table of Contents INTRODUCTION ....................1-1 PRODUCT DATA SHEET ..................2-1 RATING CONDITIONS ..................3-1 OUTLINE DIMENSIONS ..................4-1 PERFORMANCE DATA & PRESSURE CURVES ..........5-1 SOUND LEVEL CHARACTERISTICS ..............6-1 ELECTRICAL DATA ....................7-1 WIRING DIAGRAMS .....................8-1 ELECTRICAL CONNECTIONS ................9-1 10. REFRIGERATION DIAGRAMS ................10-1 11.

  • Page 4: Introduction

    General The new DELTA split wall mounted is based on the compact range. It comprise the ST (cooling only) and RC (heat pump) models, as follows: DELTA 18ST, DELTA 21ST, DELTA 24ST • Cooling Only: DELTA 18RC, DELTA 21RC, DELTA 24RC •...

  • Page 5: Tubing Connections

    INTRODUCTION Filtration The DELTA series presents several types of air filters: Easily accessible, and re-usable pre-filters (mesh). Pre-charged electrostatic filter (diposable). Active carbon filter (optional). Active Electro Static re-usable filter (optional). Control The microprocessor indoor controller, and an infrared remote control, supplied as standard, provide complete operating function and programming.
  • Page 6 INTRODUCTION 1.10 Matching Table 1.10.1 R410A INDOOR UNITS OUTDOOR UNITS DELTA 18 DELTA 21 DELTA 24 MODEL REFRIGER. GC 18 ST/RC R410A GC 22 ST/RC R410A GC 24 ST/RC R410A OU7-24 R410A OU7-24Z R410A The above table lists outdoor units and DELTA indoor units which can be matched together. In addition the listed outdoor units can be matched with other types of indoor units such as cassettes, floor/ceiling.

  • Page 7: Rating Conditions

    PRODUCT DATA SHEET PRODUCT DATA SHEET DELTA 18 / GC 18 R410A Model Indoor Unit DELTA- 18 Model Outdoor Unit GC-18 Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 18250 18250 18420 Capacity 5.35 5.35 5.40 Power input 1.66 1.66...

  • Page 8: Product Data Sheet

    PRODUCT DATA SHEET DELTA 21 / GC 22 R410A Model Indoor Unit DELTA- 21 Model Outdoor Unit GC-22 Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 21150 21150 22180 Capacity 6.50 Power input 2.05 2.05 2.00 EER (Cooling) or COP(Heating) 3.02 3.02...
  • Page 9 PRODUCT DATA SHEET DELTA 24 / OU7-24 R410A Model Indoor Unit DELTA- 24 Model Outdoor Unit OU7-24 Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 23100 23100 24150 Capacity 6.77 6.77 7.08 Power input 2.24 2.24 2.35 EER (Cooling) or COP(Heating) 3.02...
  • Page 10 PRODUCT DATA SHEET DELTA 24 / OU7-24Z R410A Model Indoor Unit DELTA- 24 Model Outdoor Unit OU7-24Z Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 23100 23100 24150 Capacity 6.77 6.77 7.08 Power input 2.24 2.24 2.35 EER (Cooling) or COP(Heating) 3.02...
  • Page 11 PRODUCT DATA SHEET DELTA 24 / OU7-24T R410A Model Indoor Unit DELTA- 24 Model Outdoor Unit OU7-24T Installation Method of Pipe Flared Characteristics Units Cooling Only Cooling Heating Btu/hr 23220 23220 25130 Capacity 6.81 6.81 7.37 Power input 2.26 2.26 EER (Cooling) or COP(Heating) 3.02 3.02...

  • Page 12: 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 R410A Indoor...

  • Page 13: Outline Dimensions

    OUTLINE DIMENSIONS OUTLINE DIMENSIONS Indoor Unit: DELTA 18, 21, 24 Outdoor Unit: GC 18, 22 SM DELTA 1-E.0 GB CONTENTS...
  • Page 14 OUTLINE DIMENSIONS Outdoor Unit: OU7-24, OU7-24Z SM DELTA 1-E.0 GB CONTENTS...
  • Page 15 PERFORMANCE DATA & PRESSURE CURVES PERFORMANCE DATA & PRESSURE CURVES DELTA18 GC18 R410A 5.1.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27...
  • Page 16 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) 2.84 1.25 2.73 1.33 2.62 1.40 3.05 1.28 2.94 1.35...
  • Page 17 PERFORMANCE DATA & PRESSURE CURVES Pressure Curves. 5.3.1 Cooling. Suction Pressure VS.Outdoor Temp 12.0 15/21(WB/DB ºC) 11.5 17/24(WB/DB ºC) 11.0 19/27(WB/DB ºC) 10.5 21/29(WB/DB ºC) 23/32(WB/DB ºC) 10.0 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...
  • Page 18 PERFORMANCE DATA & PRESSURE CURVES 5.3.2 Heating. Suction Pressure VS.Outdoor Temp 12.0 11.0 10.0 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 SM DELTA 1-E.0 GB CONTENTS...
  • Page 19 PERFORMANCE DATA & PRESSURE CURVES DELTA21 GC21 R410A 5.4.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27 21/29 23/32 6.53 6.77...
  • Page 20 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) 3.41 1.60 3.28 1.70 3.15 1.79 3.67 1.64 3.54 1.73...
  • Page 21 PERFORMANCE DATA & PRESSURE CURVES Pressure Curves. 5.6.1 Cooling. SM DELTA 1-E.0 GB CONTENTS...
  • Page 22 PERFORMANCE DATA & PRESSURE CURVES 5.6.2 Heating. SM DELTA 1-E.0 GB CONTENTS...
  • Page 23 PERFORMANCE DATA & PRESSURE CURVES DELTA24 / OU7- 24, DELTA24 / OU7-24Z 1PH/3PH R410A 5.7.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OU COIL (°C) 15/21 17/24 19/27...
  • Page 24 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) 3.72 1.88 3.58 2.00 3.43 2.10 4.00 1.93 3.86 2.03...
  • Page 25 PERFORMANCE DATA & PRESSURE CURVES Pressure Curves. 5.9.1 Cooling. Suction Pressure VS.Outdoor Temp 21/15(DB/WB ºC) 24/17(DB/WB ºC) 27/19(DB/WB ºC) 29/21(DB/WB ºC) 32/23(DB/WB ºC) Outdoor Temp.(DB Discharge Pressure VS.Outdoor Temp 21/15(DB/WB ºC) 24/17(DB/WB ºC) 27/19(DB/WB ºC) 29/21(DB/WB ºC) 32/23(DB/WB ºC) Outdoor Temp.(DB SM DELTA 1-E.0 GB 5-11 CONTENTS...
  • Page 26 PERFORMANCE DATA & PRESSURE CURVES 5.9.2 Heating. Suction Pressure VS.Outdoor Temp 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) Outdoor Temp.( WB Discharge Pressure VS.Outdoor Temp 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) Outdoor Temp.( WB 5-12 SM DELTA 1-E.0 GB CONTENTS...

  • Page 27: Sound Level Characteristics

    SOUND LEVEL CHARACTERISTICS SOUND LEVEL CHARACTERISTICS Sound Pressure Level Unit Wall 0.8m FAN SPEED LINE Mic. Figure 1 Sound Pressure Level Spectrum (Measured as Figure 1) DELTA 18 DELTA 21 NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC- 0 NC- 0 APPROXIMATE APPROXIMATE...

  • Page 28: Outdoor Units

    SOUND LEVEL CHARACTERISTICS Outdoor units Unit Mic. Ground Figure 2 Sound Pressure Level Spectrum (Measured as Figure 2) GC 18 Cooling GC 18 Heating NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC- 0 NC- 0 APPROXIMATE APPROXIMATE THRESHOLD OF THRESHOLD OF HEARING FOR HEARING FOR...
  • Page 29 SOUND LEVEL CHARACTERISTICS Sound Pressure Level Spectrum (Measured as Figure 2) OU7- 24 Z Cooling OU7- 24Z Heating OU7- 24 Cooling OU7- 24 Heating 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 HEARING FOR HEARING FOR NC-20...

  • Page 30: Electrical Data

    ELECTRICAL DATA ELECTRICAL DATA Single Phase Units MODEL DELTA 18 DELTA 21/24 DELTA 21/24 To indoor To Outdoor To Outdoor Power Supply 1PH-230V-50Hz 1PH-230V-50Hz 3PH-400V-50Hz Max Current, A 11.1 3×6 Circuit Breaker,A 3×10 Power Supply Wiring No. X 3×1.5 mm 3×2.5 mm 5×1.5 mm Cross Section mm...

  • Page 31: Wiring Diagrams

    WIRING DIAGRAMS WIRING DIAGRAMS Indoor Unit: DELTA 18, 21, 24 SM DELTA 1-E.0 GB CONTENTS...
  • Page 32 WIRING DIAGRAMS Outdoor Unit: GC 18 1PH R410A SM DELTA 1-E.0 GB CONTENTS...
  • Page 33 WIRING DIAGRAMS Outdoor Unit: GC 24 1PH R410A SM DELTA 1-E.0 GB CONTENTS...
  • Page 34 WIRING DIAGRAMS Outdoor Unit: OU7-24 1PH R410A SM DELTA 1-E.0 GB CONTENTS...
  • Page 35 WIRING DIAGRAMS Outdoor Unit: OU7-24 3PH R410A SM DELTA 1-E.0 GB CONTENTS...
  • Page 36 WIRING DIAGRAMS Outdoor Unit: OU7-24Z R410A SM DELTA 1-E.0 GB CONTENTS...

  • Page 37: Electrical Connections

    ELECTRICAL CONNECTIONS ELECTRICAL CONNECTIONS DELTA 18 / 21 1PH POWER SUPPLY INDOOR UNIT OUTDOOR UNIT 1PH 220-240V 50Hz CIRCULIT BREAKER (NOT SUPPLIED) CONNECTED ONLY HEAT - PUMP UNIT DELTA 24 1PH (power supply to Outdoor unit) POWER SUPPLY OUTDOOR UNIT INDOOR UNIT 1PH 220-240V 50Hz CIRCULIT BREAKER...

  • Page 38: Refrigeration Diagrams

    REFRIGERATION DIAGRAMS REFRIGERATION DIAGRAMS 10.1 Heat Pump Models 10.1.1 DELTA 18 R410A OUTDOOR UNIT INDOOR UNIT Service port Sensor Sensor Flared Valves connection Reverse valve Capillary tube Capillary Indoor coil tube Strainer Check Outdoor coil valve COOLING MODE OUTDOOR UNIT INDOOR UNIT Service port...
  • Page 39 REFRIGERATION DIAGRAMS 10.1.2 DELTA 24 / OU7-24 R410A 10-2 Service Manual - ALPHA CONTENTS...
  • Page 40 REFRIGERATION DIAGRAMS 10.1.3 DELTA 24 / OU7-24Z R410A SM DELTA 1-E.0 GB 10-3 CONTENTS...
  • Page 41 REFRIGERATION DIAGRAMS 10.2 Cooling Only Models 10.2.1 DELTA 18, 21, 24 R410A OUTDOOR UNIT INDOOR UNIT Service port Sensor Flared Valves connection Capillary Indoor coil tube Strainer Outdoor coil 10-4 Service Manual - ALPHA CONTENTS...
  • Page 42 TUBING CONNECTIONS TUBING CONNECTIONS TUBE (Inch) ¼” ” ½” ” 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 43: Control System

    CONTROL SYSTEM CONTROL SYSTEM DELTA18-21-24 TYPE UNITS 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 44 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 45 CONTROL SYSTEM 12.3 Main PCB Controller 12.3.1 LED Display DELTA STAND BY & OPER. INDICATOR SIGNAL RECEIVER MODE & RESET BUTTON FILTER LED TIMER LED SM DELTA 1-E.0 GB 12-3 CONTENTS...

  • Page 46: 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 47 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 48 CONTROL SYSTEM 12.4.6.2 Cases for disabling thermistor short/disconnected detection The detection of thermistor faults (a) and (b) above, are disabled when Deicer Protection is started. The detection will be enabled again only after (1) the deicing is completed, and (2) COMP has been restarted and operated for 30 sec.
  • Page 49 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 50 CONTROL SYSTEM 12.5.1 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 51 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 52: Heating Mode

    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 53 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 54 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 55 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 56 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 12-14 SM DELTA 1-E.0 GB CONTENTS...
  • Page 57 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 58 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 59: 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 60 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 61 CONTROL SYSTEM 12.3.2 High Pressure Protection Mode: (Auto) Cooling or Dry Temp: Selected desired temp. Fan: Timer: Any I Feel: On or Off Control Function To protect the COMP from the high pressure built-up in the outdoor coil during normal cooling operation, by switching OFF the IFAN and COMP.
  • Page 62 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 63 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 64 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 65 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 66: 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 WMF, WMN, WNG models Cooling 22°C Heating 28°C Note: •...

  • Page 67: 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 68 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 69 CONTROL SYSTEM 12.13 Clogged Air Filter Filter LED ON after 512 HR. Filter LED is turned OFF, and the Filter Timer is restarted by pressing the reset button. SM DELTA 1-E.0 GB 12-27 CONTENTS...
  • Page 70 CONTROL SYSTEM 12.14 Controller Self-Test Procedure 12.14.1 By Shorting Test Jumper J1 SELF-TEST FLOW CHART FOR CONTROLLER (VERSION 4V5 OR HIGHER) SHORT JUMPER Step 1 RC/ST TEST (CONTROL PCB) MODEL CONFIGURATION TEST PRESS ON Step 2 POWER STEP MOTOR TEST BUTTON FREQUENCY TEST...
  • Page 71 CONTROL SYSTEM 12.14.2 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 72 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 73 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 74 CONTROL SYSTEM 12.15 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 75 CONTROL SYSTEM 12.16 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 76 CONTROL SYSTEM 12.2 System Diagnostics Pressing Mode button for 5-10 seconds in SB or any other operation mode will activate diagnostic mode by the acknowledgment of 3 short beeps and lighting of COOL and HEAT LEDs. In diagnostic mode, system problems will be indicated by blinking of Heat & Cool LEDs. The coding method will be as follow: Heat led will blink 5 times in 5 seconds, and then will be shut off for the next 5 seconds.

  • Page 77: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING SYMPTON PROBABLE CAUSE CORRECTIVE ACTION The stand-by There is no correct voltage between -If the voltage is low repair power indicator (red led) on the line and neutral terminals on supply. the central control main P.C.B display panel doesn’t -If there is no voltage repair general light up.
  • Page 78 TROUBLESHOOTING SYMPTON PROBABLE CAUSE CORRECTIVE ACTION Only indoor fan and Outdoor fan blocked. -Remove obstructions. compressor working. Only indoor fan -Run capacitor of outdoor fan motor -Replace capacitor. working. faulty. -Windings of outdoor fan are -Replace motor. shorted. No cooling or heating -Overload safety device on -Check for proper voltage, switch off takes place, indoor...

  • Page 79: Exploded Views And Spare Parts Lists

    EXPLODED VIEWS AND SPARE PARTS LISTS EXPLODED VIEWS AND SPARE PARTS LISTS 14.1 Indoor Unit: DELTA 18, 21, 24 SM DELTA 1-E.0 GB 14-1 CONTENTS...
  • Page 80 Item Description Quan. 465020098 Front Plate/Delta 18&24 Fagor 452919800 Filter 4518113 Fiber Filter Assy. 465720204 Silk-Screen Front Frame Assy./Delta 18-24 Fagor Electra 452919600 Screw cover 462350084 Evaporator Assy./WNG21/24 R410A 453046600 Evaporator Assy./WNG18 R410A 452917300 Air outlet 465210009 Drain Pipe for Israel /WNG18/24/30...
  • Page 81 EXPLODED VIEWS AND SPARE PARTS LISTS 14.3 Outdoor Unit: GC 18 ST SM DELTA 1-E.0 GB 14-3 CONTENTS...
  • Page 82 EXPLODED VIEWS AND SPARE PARTS LISTS 14.4 Outdoor Unit: GC 18 ST Part Description Quantity 4517144 FAN COVER PP+UV 452795700 PAINTED LEFT CABINET ASSY 452989200 Base welding plate assy. 4516786 PAINTED RIGHT CABINET ASSY 4516985 Partition Plate 455000506 Compressor Capacitor With Screw 45uF (CBB65) 455000104 Double patch Capacitor for fan motor 4uF (CBB61S) 204107...
  • Page 83 EXPLODED VIEWS AND SPARE PARTS LISTS 14.5 Outdoor Unit GC 18 RC SM DELTA 1-E.0 GB 14-5 CONTENTS...
  • Page 84 EXPLODED VIEWS AND SPARE PARTS LISTS 14.6 Outdoor Unit: GC 18 RC Part Description Quantity 4517144 COVER PP+UV 452795700 PAINTED LEFT CABINET ASSY 452989200 Base welding plate assy. 4516786 PAINTED RIGHT CABINET ASSY 4516985 Partition Plate 455000506 Compressor Capacitor With Screw 45uF (CBB65) 455000104 Double patch Capacitor for fan motor 4uF (CBB61S) 204107...
  • Page 85 EXPLODED VIEWS AND SPARE PARTS LISTS 14.7 Outdoor Unit: GC 21 RC SM DELTA 1-E.0 GB 14-7 CONTENTS...
  • Page 86 EXPLODED VIEWS AND SPARE PARTS LISTS 14.8 Outdoor Unit: GC 21 RC Part Description 4517144 FAN COVER PP+UV 452795700 PAINTED LEFT CABINET ASSY 452989200 Base welding plate assy. 4516786 PAINTED RIGHT CABINET ASSY 4516985 Partition Plate 455000507 Compressor Capacitor With Screw 50uF (CBB65) 455000104 Double patch Capacitor for fan motor 4uF (CBB61S) 204107...
  • Page 87 EXPLODED VIEWS AND SPARE PARTS LISTS 14.9 Outdoor Unit: GC 21 ST SM DELTA 1-E.0 GB 14-9 CONTENTS...
  • Page 88 EXPLODED VIEWS AND SPARE PARTS LISTS 14.10 Outdoor Unit: GC 21 ST Part Description 4517144 COVER PP+UV 452795700 PAINTED LEFT CABINET ASSY 452989200 Base welding plate assy. 4516786 PAINTED RIGHT CABINET ASSY 4516985 Partition Plate 455000507 Compressor Capacitor With Screw 50uF (CBB65) 455000104 Double patch Capacitor for fan motor 4uF (CBB61S) 204107...
  • Page 89 EXPLODED VIEWS AND SPARE PARTS LISTS 14.11 Outdoor Unit GCN 12 RC SM DELTA 1-E.0 GB 14-11 CONTENTS...
  • Page 90 EXPLODED VIEWS AND SPARE PARTS LISTS 14.12 Outdoor Unit: GC 24 ST Part Description 4517144 FAN COVER PP+UV 452795700 PAINTED LEFT CABINET ASSY 452881901 Base plate paint assy. 4516786 PAINTED RIGHT CABINET ASSY 4516985 Partition Plate 455000301 Compressor Capacitor 55uF (CBB65) 455000104 Double patch Capacitor for fan 204107...
  • Page 91 EXPLODED VIEWS AND SPARE PARTS LISTS 14.13 Outdoor Unit GC 24 RC SM DELTA 1-E.0 GB 14-13 CONTENTS...
  • Page 92 EXPLODED VIEWS AND SPARE PARTS LISTS 14.14 Outdoor Unit: GC 24 RC Part Description 4517144 FAN COVER PP+UV 452795700 PAINTED LEFT CABINET ASSY 452881901 Base plate paint assy. 4516786 PAINTED RIGHT CABINET ASSY 4516985 Partition Plate 455000301 Compressor Capacitor 55uF (CBB65) 455000104 Double patch Capacitor for fan 204107...
  • Page 93 EXPLODED VIEWS AND SPARE PARTS LISTS 14.15 Outdoor Unit: OU7-24 RC 1PH SM DELTA 1-E.0 GB 14-15 CONTENTS...
  • Page 94 EXPLODED VIEWS AND SPARE PARTS LISTS 14.16 Outdoor Unit: OU7-24 RC 1PH Part No Description 437045 UPPER COVER EL13 OU LARGE 433280 SIDE PANEL OU7-24 R410A 436357 SMALL ELECTRICAL COVER OU 439329 FRONT COVER/CO' OU7-35/90 E 437091 OU SQUARE FAN GUARD 433705 NEW BASE ASSY OU 2005 LOCAL 433285...
  • Page 95 EXPLODED VIEWS AND SPARE PARTS LISTS 14.17 Outdoor Unit: OU7-24 ST 1PH SM DELTA 1-E.0 GB 14-17 CONTENTS...
  • Page 96 EXPLODED VIEWS AND SPARE PARTS LISTS 14.18 Outdoor Unit: OU7-24 ST 1PH Part Description 437045 UPPER COVER EL13 OU LARGE 433280 SIDE PANEL OU7-24 R410A 436357 SMALL ELECTRICAL COVER OU 439329 FRONT COVER/CO' OU7-35/90 EL13 437091 OU SQUARE FAN GUARD 433705 NEW BASE ASSY OU 2005 LOCAL R4 433846...
  • Page 97 EXPLODED VIEWS AND SPARE PARTS LISTS 14.19 Outdoor Unit: OU7-24Z RC/ST 1PH SM DELTA 1-E.0 GB 14-19 CONTENTS...
  • Page 98 EXPLODED VIEWS AND SPARE PARTS LISTS 14.20 Outdoor Unit: OU7-24Z RC/ST 1PH Part Description 437045 LARGE UPPER COVER CUE 433280 SIDE PANEL OU7-24 R410A 436357 SMALL ELECTRICAL COVER CUE 439329 COVERAIR COLLECTOR 437091 OU SQUARE FAN GUARD 433722 BASE ASSY OU7-24C EXPORT R410A 433285 COIL OU7-24 HDR 4529604...
  • Page 99 EXPLODED VIEWS AND SPARE PARTS LISTS 14.21 Outdoor Unit: OU7-24 RC 3PH SM DELTA 1-E.0 GB 14-21 CONTENTS...
  • Page 100 EXPLODED VIEWS AND SPARE PARTS LISTS 14.22 Outdoor Unit: OU7-24 RC 3PH Part Description 437045 UPPER COVER EL13 OU LARGE 433280 SIDE PANEL OU7-24 R410A 436357 SMALL ELECTRICAL COVER OU 439329 FRONT COVER/CO' OU7-35/90 EL13 437091 OU SQUARE FAN GUARD 433294 NEW BASE ASSY OU 2005 EXPORT R 433285...
  • Page 101 EXPLODED VIEWS AND SPARE PARTS LISTS 14.23 Outdoor Unit: OU7-24 ST 3PH SM DELTA 1-E.0 GB 14-23 CONTENTS...
  • Page 102 EXPLODED VIEWS AND SPARE PARTS LISTS 14.24 Outdoor Unit: OU7-24 ST 3PH Part Description 437045 UPPER COVER EL13 OU LARGE 433280 SIDE PANEL OU7-24 R410A 436357 SMALL ELECTRICAL COVER OU 439329 FRONT COVER/CO' OU7-35/90 EL13 437091 OU SQUARE FAN GUARD 433705 NEW BASE ASSY OU 2005 LOCAL R4 433846...

  • Page 103: Optional Accessories

    OPTIONAL ACCESSORIES OPTIONAL ACCESSORIES 15.1 RCW Wall Mounted Remote Control 15.1.1 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), The max wiring length between the controller to the last indoor unit is 300m.
  • Page 104 OPTIONAL ACCESSORIES 15.2 RCW2 Wall Mounted Remote Cntrol 15.2.1 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.
  • Page 105 OPTIONAL ACCESSORIES 15.3 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 106 OPTIONAL ACCESSORIES 15-4 SM DELTA 1-E.0 GB CONTENTS...
  • Page 107 OPTIONAL ACCESSORIES SM DELTA 1-E.0 GB 15-5 CONTENTS...
  • Page 108 OPTIONAL ACCESSORIES 15-6 SM DELTA 1-E.0 GB CONTENTS...
  • Page 109 OPTIONAL ACCESSORIES SM DELTA 1-E.0 GB 15-7 CONTENTS...

  • Page 110: Appendix A

    APPENDIX A APPENDIX A INSTALLATION AND OPERATION MANUAL INSTALLATION AND OPERATION MANUAL DELTA 18, 21, 24 16-1 SM DELTA 1-E.0 GB CONTENTS...

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