Electra Trio Delta 5.2 Service Manual
  1. Manuals
  2. Brands
  3. Electra Manuals
  4. Air Conditioner
  5. Trio Delta 5.2
  6. Service manual

Electra Trio Delta 5.2 Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

TRIO DELTA 5.2
Indoor Units
Outdoor Units
DELTA 22
DELTA 25
TRIO Delta 5.2 DCI
DELTA 35
REFRIGERANT
R410A
HEAT PUMP
OCTOBER – 2008
SM TRIO52 1-E.1 GB
CONTENTS

Advertisement

Table of Contents
loading

Related Manuals for Electra Trio Delta 5.2

Summary of Contents for Electra Trio Delta 5.2

  • Page 1 TRIO DELTA 5.2 Indoor Units Outdoor Units DELTA 22 DELTA 25 TRIO Delta 5.2 DCI DELTA 35 REFRIGERANT R410A HEAT PUMP OCTOBER – 2008 SM TRIO52 1-E.1 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 ..................5-1 PRESSURE CURVES ...................6-1 ELECTRICAL DATA ....................7-1 WIRING DIAGRAMS .....................8-1 REFRIGERATION DIAGRAMS ................9-1 10. TUBING CONNECTIONS ..................10-1 11. CONTROL SYSTEM .....................11-1 12.

  • Page 4: Main Features

    INTRODUCTION INTRODUCTION General The new Trio 5.2 Delta DCI Outdoor Unit is a high efficiency multi split inverter unit, supporting Indoor Units capacity range of - 2.2, 2.5 and 3.5 Kw. Main Features • DC Inverter • R410A • High COP (A class energy rating) •...

  • Page 5: Product Data Sheet

    PRODUCT DATA SHEET PRODUCT DATA SHEET Outdoor Unit TRIO 5.2 Delta Specifications. Model TRIO Delta 5.2kw DCI R410A Operation Mode Cooling Heating Btu/hr 17747(2389~22184) 22525(3413~29914) Capacity 5200 (1000~6500) 6600(1000~7300 Total Input 1550(450~2150) 1800(450~1900) E.E.R (Cooling) / C.O.P (Heating) 3.35 3.67 Energy efficienty class Running Current Starting Current...
  • Page 6 PRODUCT DATA SHEET Indoor Units Data 2.2.1 DELTA 22 DCI Specifications Model Indoor Unit / Type DELTA 22 DCI / Wall Mounted Installation Method FLARE Power Supply V/Ph/Hz 220-240 / 1/ 50 Fan Type & Quantity Crossflow *1 Airflow H/M/L Cooling / Heating Sound Power Level L - H...
  • Page 7 PRODUCT DATA SHEET 2.2.3 DELTA 35 DCI Specifications Model Indoor Unit / Type DELTA 35 DCI / Wall Mounted Installation Method FLARE Power Supply V/Ph/Hz 220-240 / 1/ 50 Fan Type & Quantity Crossflow *1 Airflow H/M/L Cooling / Heating Sound Power Level L - H dB (A)
  • Page 8 PRODUCT DATA SHEET Indoor Units Combinations 2.3.1 Cooling Cooling Capacity [W] Model Total Power[W] Total Capacity 2200 2200(1050-2600) 645(450-750) 2500 2500(1100-3500) 740(510-1040) 3500 3500(1200-4200) 1020(510-1250) 22+22 2000 2000 4000(1400-5100) 1170(520-1500) 22+25 2000 2150 4150(1450-5200) 1220(530-1530) 22+35 2000 3000 5000(1720-6200) 1450(610-1910) 25+25 2150 2150...

  • Page 9: 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 Indoor Outdoor...
  • Page 10 OUTLINE DIMENSIONS OUTLINE DIMENSIONS Indoor Unit: DELTA 22 / 25 DCI Indoor Unit: DELTA 35 DCI SM TRIO52 1- E.1 GB CONTENTS...

  • Page 11: Outline Dimensions

    OUTLINE DIMENSIONS Outdoor Unit: Trio Delta 5.2 DCI SM TRIO52 1- E.1 GB CONTENTS...

  • Page 12: Performance Data

    PERFORMANCE DATA PERFORMANCE DATA TRIO DELTA 25+25+25 5.1.1 Cooling Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB/WB TEMPERATURE [C OD COIL ENTERING AIR DATA 22/15 24/17 27/19 29/21 32/23 DB TEMPERATURE [C 80 - 110 % of nominal -10 - 20 80 - 105 % of nominal...
  • Page 13 PERFORMANCE DATA 5.1.3 Heating Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB TEMPERATURE [C OD COIL ENTERING AIR DB/WB DATA TEMPERATURE [C 3.52 3.30 3.08 -15/-16 1.15 1.32 1.48 4.21 3.99 3.78 -10/-12 1.33...
  • Page 14 PERFORMANCE DATA Delta Trio 25+25+35 5.2.1 Cooling Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB/WB TEMPERATURE [C OD COIL ENTERING AIR DB DATA 22/15 24/17 27/19 29/21 32/23 TEMPERATURE [C 80 - 110 % of nominal -10 - 20 80 - 105 % of nominal (protection range)
  • Page 15 PERFORMANCE DATA 5.2.3 Heating Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB TEMPERATURE [C OD COIL ENTERING AIR DB/WB DATA TEMPERATURE [C 3.95 3.71 3.46 -15/-16 1.22 1.40 1.57 4.74 4.49 4.25 -10/-12 1.41...
  • Page 16 PERFORMANCE DATA Delta Trio 35+35 5.3.1 Cooling Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB/WB TEMPERATURE [C OD COIL ENTERING AIR DB DATA 22/15 24/17 27/19 29/21 32/23 TEMPERATURE [C 80 - 110 % of nominal -10 - 20 80 - 105 % of nominal (protection range)
  • Page 17 PERFORMANCE DATA 5.3.3 Heating Capacity (kW) - Run Mode) 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB TEMPERATURE [C OD COIL ENTERING AIR DB/WB DATA TEMPERATURE [C 3.57 3.35 3.13 -15/-16 1.09 1.24 1.40 4.28 4.05 3.83 -10/-12 1.25...
  • Page 18 PERFORMANCE DATA Capacity Correction Factor Due to Tubing Length (OneWay) 5.4.1 Delta 22 / 25 / 35 DCI 5.4.2 Cooling Capacity Ratio Vs.Tubing Length - Cooling 1.01 1.00 0.99 0.98 0.97 0.96 0.95 0.94 0.93 0.92 Tubing Lenght [m] 5.4.3 Heating Capacity Ratio Vs.Tubing Length - Cooling 1.01...

  • Page 19: Pressure Curves

    PRESSURE CURVES PRESSURE CURVES Model: Trio Delta 25+25+25 6.1.1 Cooling – Test Mode Suction Pressure VS.Outdoor Temp'. 1400 1300 Indoor DB/WB Temp'. 1200 22/15 1100 24/17 1000 27/19 29/21 32/23 Outdoor DB Temperature [ºC] Discharge Pressure VS. Outdoor Temp'. 3750 3500 Indoor DB/WB Temp'.
  • Page 20 PRESSURE CURVES 6.1.2 Heating – Test Mode Suction Pressure VS.Outdoor Temp'. 1100 Indoor DB 1000 Temp'. Outdoor WB Temperature[ºC] Discharge Pressure VS. Outdoor Temp'. 3250 Indoor DB 3000 Temp'. 2750 2500 2250 2000 1750 1500 Outdoor WB Temperature [ºC] SM TRIO52 1- E.1 GB CONTENTS...
  • Page 21 PRESSURE CURVES Model: Trio Delta 25+25+35 6.2.1 Cooling - Test Mode Suction Pressure VS.Outdoor Temp'. 1300 Indoor DB/WB Temp'. 1200 1100 22/15 24/17 1000 27/19 29/21 32/23 Outdoor DB Temperature [ºC] Discharge Pressure VS. Outdoor Temp'. Indoor DB/WB 4000 Temp'. 3750 3500 22/15...
  • Page 22 PRESSURE CURVES 6.2.2 Heating – Test Mode Suction Pressure VS.Outdoor Temp'. 1100 Indoor DB 1000 Temp'. Outdoor W B Temperature[ºC] Discharge Pressure VS. Outdoor Temp'. 3150 Indoor DB 2900 Temp'. 2650 2400 2150 1900 1650 1400 Outdoor W B Temperature [ºC] SM TRIO52 1- E.1 GB CONTENTS...
  • Page 23 PRESSURE CURVES Model: Trio Delta 35+35 6.3.1 Cooling - Test Mode Suction Pressure VS.Outdoor Temp'. 1200 Indoor DB/WB 1100 Temp'. 22/15 1000 24/17 27/19 29/21 32/23 Outdoor DB Temperature[ºC] Suction Pressure VS.Outdoor Temp'. 4000 3750 Indoor DB/WB 3500 Temp'. 3250 22/15 3000 24/17...
  • Page 24 PRESSURE CURVES 6.3.2 Heating – Test Mode Suction Pressure VS.Outdoor Temp'. 1100 Indoor DB 1000 Temp'. Note: all temperatures are in C Outdoor WB Temperature[ºC] Discharge Pressure VS. Outdoor Temp'. 3750 Indoor DB 3500 Temp'. 3250 3000 2750 2500 2250 2000 1750 1500...

  • Page 25: Electrical Data

    ELECTRICAL DATA ELECTRICAL DATA Single Phase Units MODEL TRIO 5.2 kW DELTA Power Supply 1 PH, 220-240 VAC, 50Hz Connected to Delta 22, 25 and 35 Maximum Current 9.4 A Inrush Current* 35 A Starting Current** 10.5 A Circuit breaker 20 A Power supply wiring - No.

  • Page 26: Sm Trio52 1- E.1 Gb Contents

    WIRING DIAGRAMS WIRING DIAGRAMS TRIO 5.2 DELTA DCI SM TRIO52 1- E.1 GB CONTENTS...

  • Page 27: Cooling

    REFRIGERATION DIAGRAMS REFRIGERATION DIAGRAMS Heat Pump Models 9.1.1 TRIO 5.2 DELTA => Cooling & Heating Mode SM TRIO52 1- E.1 GB CONTENTS...

  • Page 28: 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 29: Control System

    CONTROL SYSTEM CONTROL SYSTEM CONTROL SYSTEM 11.1 General Functions and Operating Rules The DCI software is fully parametric. All the model dependent parameters are shown in Blue color and with Italic style [parameter]. The parameters values are given in the last section of this control logic chapter of the service manual.
  • Page 30 CONTROL SYSTEM 11.3.2 Target Frequency Setting The compressor target frequency is a function of the NLOAD number sent from MSMP and the outdoor air temperature. Basic Target Frequency Setting NLOAD Target Frequency Maximum frequency 10 < NLOAD < 127 Interpolated value between minimum and maximum frequency Minimum frequency Compressor is stopped Target frequency limits as a function of outdoor air temperature (OAT):...

  • Page 31: Indoor Fan Control

    CONTROL SYSTEM 11.4 Indoor Fan Control 10 Indoor fan speeds are determined for each model. 5 speeds for cooling/dry/fan modes and 5 speeds for heating mode. When user sets the indoor fan speed to a fixed speed (Low/ Medium/ High), unit will operate constantly at set speed.

  • Page 32: Fan Mode

    CONTROL SYSTEM 11.7 EEV (electronic Expansion valve) Control EEVi opening of the ‘i’ indoor unit is defined as EEVi = EEV i + EEV i is the initial EEV opening as a function of the compressor frequency, operation mode, unit model and capacity. i is a correction value for the EEV opening that is based on the compressor temperature.

  • Page 33: Heat Mode

    CONTROL SYSTEM 11.14 Heat Mode NLOADi is calculated according to the difference between actual room temperature and user set point temperature by PI control. In high/ medium/ low indoor fan user setting, unit will operate fan in selected speed. In Auto Fan user setting, fan speed will be adjusted automatically according to the calculated NLOADi.
  • Page 34 CONTROL SYSTEM 11.17 Protections There are 5 protection codes. Normal (Norm) – unit operate normally. Stop Rise (SR) – compressor frequency can not be raised but does not have to be decreased. HzDown1 (D1) – Compressor frequency is reduced by 2 to 5 Hz per minute. HzDown2 (D2) –...
  • Page 35 CONTROL SYSTEM 11.17.2 Indoor Coil over Heating Protection ICT Trend Fast Fast Decreasing No Change Increasing Decreasing Increasing ICT > 55 53 < ICT ” 55 49 < ICT ” 53 47 < ICT ” 49 45 < ICT ” 47 Norm Norm 43 <...
  • Page 36 CONTROL SYSTEM 11.17.4 Compressor over Current Protection Stop-Compresor CCROC4 HzDown2 CCROC3 HzDown1 CCROC2 Stop-Rise CCROC1 Normal 11.17.5 Outdoor Coil Deicing Protection 11.17.5.1 Deicing Starting Conditions Deicing operation will start when either one of the following conditions exist: ƒ Case 1: OCT < OAT – 8 AND TLD > DI ƒ...
  • Page 37 CONTROL SYSTEM 11.17.5.2 Deicing Protection Procedure Threshold COMP max. 12 minutes HEAT COOL OFAN EEVDeicerOpen T1 = T2 = 36 seconds, T3 = 6 seconds 11.18 Indoor Unit Dry Contact (excluding Delta range) Indoor unit Dry contact has two alternative functions that are selected by J8. Function Contact = Open Contact = Short...
  • Page 38 CONTROL SYSTEM 11.20 On Unit Controls and Indicators 11.20.1 Indoor Unit Controls and Indicators for Led Display Timer STBY/OPER STBY/OPER Filter Filter Mode Button Infra Red Receiver Infra Red Receiver 1. Lights up when the Air Conditioner is connected to power and the mode is STBY.

  • Page 39: Test Mode

    CONTROL SYSTEM Notes 1. Pressing time is defined as the time between press and release. 2. If pressing time is one second or less – press is considered as short pressing. 3. If pressing time is three seconds or longer – pressing is considered as long pressing. In between, pressing is undetermined and system will not respond to pressing.
  • Page 40 CONTROL SYSTEM 11.22 Unit Operation in Test Mode In test mode, the unit will operate in fixed settings according to the indoor fan speed setting: Indoor Fan Speed Setting Unit Setting Minimum Capacity Setting High Nominal Capacity Setting Auto Maximum Capacity Setting During test mode, protections are disabled, except for stop compressor status.
  • Page 41 CONTROL SYSTEM Model Depended Parameters: Wall Mounted Models Parameter name Delta 22 Delta 25 Delta 35 NLOAD limits as a function of selected indoor fan speed MaxNLOADIF1C MaxNLOADIF2C MaxNLOADIF3C MaxNLOADIF4C MaxNLOADIF5C Indoor Fan speeds IFVLOWC IFLOWC IFMEDC 1050 1000 IFHIGHC 1050 1200 1200...

  • Page 42: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING 1 ELECTRICAL & CONTROL TROUBLESHOOTING WARNING!!! When Power Up – the whole outdoor unit controller, including the wiring, is under HIGH VOLTAGE!!! Never open the Outdoor unit before turning off the Power!!! When turned off, the system is still charged (400V)!!! It takes about 3 Min.
  • Page 43 TROUBLESHOOTING 1.2 Checking the Refrigeration System Checking system pressures and other thermodynamic measures should be done when system is in Test Mode (in Test mode, system operates in fixed settings). The performance curves given in this manual are given for unit performance in test mode when high indoor fan speed is selected.
  • Page 44 TROUBLESHOOTING Bad MSMP EEPROM Similar as item 11. Similar as item 11. Turn OFF the system and wait for 30 minutes. Turn ON the system again. If the fault still Heat sink Over Heating Normal AC protection exists, return the controller to factory and report the fault code.
  • Page 45 TROUBLESHOOTING 1.3.2 MSMP Fault Code for Indoor Unit: Problem Possible Reason Corrective Action In case1, reinstall RT-1 and make sure it’s connected well; If fault still exists, move to 1. RT-1 is not connected to check case2, use a multimeter to check RT- controller terminal;...
  • Page 46 TROUBLESHOOTING 1.4 judgment by Mega Tool Mega Tool is a special tool to monitor the system states. Using Mega Tool requires: A computer with RS232C port. A connection wire for MegaTool. Special MegaTool software. Use MegaTool according to following procedure: Setup MegaTool software: copy the software to the computer.
  • Page 47 TROUBLESHOOTING 1.6 Precaution, Advise and Notice Items 1.6.1 High voltage in Outdoor unit controller. Whole controller, including the wires, connected to the Outdoor unit controller may have the potential hazard voltage when power is on. Touching the Outdoor unit controller may cause an electrical shock. Advise: Don’t touch the naked lead wire and don’t insert finger, conductor or anything else into the controller when power is on.

  • Page 48: Exploded Views And Spare Parts Lists

    EXPLODED VIEWS AND SPARE PARTS LISTS EXPLODED VIEWS AND SPARE PARTS LISTS 13.1 Outdoor Unit: TRIO DELTA 5.2 kw DCI SM TRIO52 1- E.1 GB 13-1 CONTENTS...
  • Page 49 EXPLODED VIEWS AND SPARE PARTS LISTS 13.2 Outdoor Unit: TRIO DELTA 5.2kw DCI R410A Item Description Qty. 4517144 Outlet grid 452795700 PAINTED LEFT CABINET ASSY 4526510 OUTDOOR FAN 453026500R DC Motor SIC-71FW-F170-2 453036400 Motor Support 464600019 Base Plate Painting Assy. 464160004 Partition Plate 453238900...

  • Page 50: Appendix A

    APPENDIX A APPENDIX A INSTALLATION AND OPERATION MANUAL ► INSTALLATION MANUAL TRIO DELTA 5.2kw DCI SM TRIO52 1- E.1 GB 14-1 CONTENTS...

Table of Contents