Delta DCI SeriesIndoor Units Outdoor UnitsDelta 25 DCR 25 ZDelta 35 DCR 35 ZREFRIGERANTNOVEMBER – 2008REFRIGERANTREFRIGERANTR410AHEAT PUMPSM DELTAZ 1-
4-1OUTLINE DIMENSIONSSM DELTAZ 1-E.0 GB4. OUTLINE DIMENSIONS4.1 Indoor Unit: Delta 25 DCI4.2 Indoor Unit: Delta 35 DCICONTENTS
4-2OUTLINE DIMENSIONS SM DELTAZ 1-E.0 GB4.3 Outdoor Unit: DCR 25 Z, DCR 35 Z DCIAIR OUTLETAIR INTAKECONTENTS
5-1PERFORMANCE DATA & PRESSURE CURVESSM DELTAZ 1-E.0 GB5. PERFORMANCE DATA5.1 Delta 25 / DCR 25 Z R410A5.1.1 Cooling Capacity (kW) – Run Mode 2
5-2PERFORMANCE DATA & PRESSURE CURVES SM DELTAZ 1-E.0 GB5.1.3 Heating Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID CO
5-3PERFORMANCE DATA & PRESSURE CURVESSM DELTAZ 1-E.0 GB5.2 Delta 35 / DCR 35 Z R410A5.2.1 Cooling Capacity (kW) – Run Mode 230[V] : Indoor Fan
5-4PERFORMANCE DATA & PRESSURE CURVES SM DELTAZ 1-E.0 GB5.2.3 Heating Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID CO
5-5PERFORMANCE DATA & PRESSURE CURVESSM DELTAZ 1-E.0 GB5.3 Capacity Correction Factor Due to Tubing Length5.3.1 Delta 25 DCI : Cooling5.3.2 Heat
5-6PERFORMANCE DATA & PRESSURE CURVES SM DELTAZ 1-E.0 GB5.3.3 Delta 35 DCI : Cooling5.3.4 Heating0.800.840.880.900.920.940.960.981.001.025
5-7PERFORMANCE DATA & PRESSURE CURVESSM DELTAZ 1-E.0 GB5.4 PRESSURE CURVES5.4.1 DELTA 25 / DCR 25 Z R410A5.4.1.1 Cooling => Test ModeSuction
5-8PERFORMANCE DATA & PRESSURE CURVES SM DELTAZ 1-E.0 GB5.4.1.2 Heating => Test ModeSuction Pressure VS. Outdoor Temp.20030040050060070
ALIST OF EFFECTIVE PAGESSM DELTAZ 1-E.0 GBLIST OF EFFECTIVE PAGESNote: Changes in the pages are indicated by a “Revision#” in the footer of each effe
5-9PERFORMANCE DATA & PRESSURE CURVESSM DELTAZ 1-E.0 GB5.4.2 DELTA 35 / DCR 35 Z R410A5.4.2.1 Cooling => Test Mode Suction Pressure VS. Outdo
5-10PERFORMANCE DATA & PRESSURE CURVES SM DELTAZ 1-E.0 GB5.4.2.2 Heating =>Test ModeSuction Pressure VS. Outdoor Temp.20030040050060070
6-1SOUND LEVEL CHARACTERISTICSSM DELTAZ 1-E.0 GB6. SOUND LEVEL CHARACTERISTICS6.1 Sound Pressure Level Figure 1. Wall Mounted Figure 2. Floor
6-2SOUND LEVEL CHARACTERISTICS SM DELTAZ 1-E.0 GB6.3 Outdoor units6.4 Sound Pressure Level Spectrum (Measured as Figure 5)DCR 25 Z Cooling DCR
7-1ELECTRICAL DATASM DELTAZ 1-E.0 GB7. ELECTRICAL DATA7.1 Single Phase UnitsMODEL Delta 25 Delta 35Power SupplyTo indoor To indoor1PH,220-240V,50Hz 1
8-1WIRING DIAGRAMSSM DELTAZ 1-E.0 GB8. WIRING DIAGRAMS8.1 Delta 25 / DCR 25 Z, Delta 35 / DCR 35 ZP19To metal sheetINDOOR UNIT CIRCUIT DIAGRAM34 3NHL
9-1REFRIGERATION DIAGRAMSSM DELTAZ 1-E.0 GB9. REFRIGERATION DIAGRAMS9.1 Heat Pump Models9.1.1 Delta 25 / DCR 25 Z DCI CONTENTS
9-2REFRIGERATION DIAGRAMSSM DELTAZ 1-E.0 GB9.1.2 Delta 35 / DCR 35 Z DCI CONTENTS
10-1TUBING CONNECTIONSSM DELTAZ 1-E.0 GB10. TUBING CONNECTIONS TUBE (Inch)TORQUE (Nm)¼” ⅜”½”⅝”¾”Flare Nuts 11-13 40-45 60-65 70-75 80-85Valve Cap
11-1CONTROL SYSTEMSM DELTAZ 1-E.0 GB11. CONTROL SYSTEM11.1 Electronic Control11.1.1 General Functions and Operating Rules The DCI software is fully p
iTABLE OF CONTENTSSM DELTAZ 1-E.0 GBTable of Contents1. INTRODUCTION ...
11-2CONTROL SYSTEMSM DELTAZ 1-E.0 GB11.1.3.3 Frequency Changes ControlFrequency change rate is 1 Hz/sec.11.1.3.4 Compressor Starting Control11.1.3.5
11-3CONTROL SYSTEMSM DELTAZ 1-E.0 GBSpeed Controlled byHigh RelayLow Triac (40% to 95% effective voltage)11.1.6.2 OFAN Operation in Cooling ModeWith
11-4CONTROL SYSTEMSM DELTAZ 1-E.0 GB11.1.8 Reversing Valve (RV) ControlReversing valve is on in heat mode.Switching of RV state is done only after co
11-5CONTROL SYSTEMSM DELTAZ 1-E.0 GB11.6 Dry ModeAs long as room temperature is higher then the set point, indoor fan will work in low speed and compr
11-6CONTROL SYSTEMSM DELTAZ 1-E.0 GB11.7.3 Compressor over Heating ProtectionCompressor temperature can be in one of 5 control zones (4 in protection
11-7CONTROL SYSTEMSM DELTAZ 1-E.0 GB11.7.5 Heat Sink Over Heating ProtectionA new control status will be set according to the following graph every o
11-8CONTROL SYSTEMSM DELTAZ 1-E.0 GB11.7.6.2 Deicing Protection ProcedureT1 = DEICT1, T2 = DEICT2, T3 = DEICT311.7.7 Condensate Water Over Flow Prot
11-9CONTROL SYSTEMSM DELTAZ 1-E.0 GB11.7.7.2 1 Level Logic (used in all models except for floor/ceiling models)P2 P3 LevelDon’t care 1 NormalDon’t ca
11-10CONTROL SYSTEMSM DELTAZ 1-E.0 GB11.8 Indoor Unit Dry ContactIndoor unit Dry contact has two alternative functions that are selected by J8.Functi
11-11CONTROL SYSTEMSM DELTAZ 1-E.0 GBSTAND BYINDICATOR1. Lights up when the Air Conditioner is connected to power and the mode is STBY. 2. Blinks f
1-1INTRODUCTIONSM DELTAZ 1-E.0 GB1. INTRODUCTION1.1 GeneralThe new Delta DC Inverter split wall mounted series comprise RC (heat pump) models, as foll
11-12CONTROL SYSTEMSM DELTAZ 1-E.0 GB11.10.2 Outdoor Unit Controller IndicatorsUnit has three LED’s. SB LED, STATUS LED, FAULT LED.SB LED is ON when
11-13CONTROL SYSTEMSM DELTAZ 1-E.0 GB11.11.2 Outdoor Unit Controller11.11.2.1 Hardware JumpersJP9 JUMPER LAYOUTEEPROM Data (PIN 9) ODU3 (PIN 7) ODU
11-14CONTROL SYSTEMSM DELTAZ 1-E.0 GB11.12 Test Mode11.12.1 Entering Test ModeSystem can enter Test mode in two ways: Automatically when the follow
11-15CONTROL SYSTEMSM DELTAZ 1-E.0 GB11.13.1.2 Model Depended Parameters:Parameter nameModels25 35NLOAD limits as a function of selected indoor fan s
12-1TROUBLESHOOTINGSM DELTAZ 1-E.0 GB12 TROUBLESHOOTING12.1 ELECTRICAL & CONTROL TROUBLESHOOTINGWARNING!!!When Power Up – the whole outdoor unit
12-2TROUBLESHOOTINGSM DELTAZ 1-E.0 GBNo SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION11Compressor is over heated and unit does not generate capacityEEV pro
12-3TROUBLESHOOTINGSM DELTAZ 1-E.0 GB12.1.3.1 Indoor unit DiagnosticsNo Problem 5 43211 RT-1 is disconnected 0 00012 RT-1 is shorted 0 00103 RT-2 is
12-4TROUBLESHOOTINGSM DELTAZ 1-E.0 GB13.1.3.3 Outdoor unit DiagnosticsDCR 22 / 25 / 35 diagnosticsNo Problem 543211 OCT shorted/disconnected000012 CT
12-5TROUBLESHOOTINGSM DELTAZ 1-E.0 GBUse MegaTool according to following procedure:Setup MegaTool software: copy the software to the computer.Connec
13-1EXPLODED VIEWS AND SPARE PARTS LISTSSM DELTAZ 1-E.0 GB13. EXPLODED VIEWS AND SPARE PARTS LISTS13.1 Indoor Unit: Delta 25, Delta 35 DCICONTENTS
1-2INTRODUCTIONSM DELTAZ 1-E.0 GB1.3 Indoor Unit The indoor unit is wall mounted, and can be easily fitted to many types of residential and commercial
13-2EXPLODED VIEWS AND SPARE PARTS LISTSSM DELTAZ 1-E.0 GB13.2 Indoor Unit: Delta 25 DCINo. Part No. Description Quan.1 453037000 Grill A / DELTA 22,
13-3EXPLODED VIEWS AND SPARE PARTS LISTSSM DELTAZ 1-E.0 GB13.3 Indoor Unit: Delta 35 DCINo. Part No. Description Quan.1 453036800 Grill A / DELTA 12
13-4EXPLODED VIEWS AND SPARE PARTS LISTSSM DELTAZ 1-E.0 GB13.4 Outdoor Unit: DСR 25 Z, DCR 35 Z R410A DCICONTENTS
13-5EXPLODED VIEWS AND SPARE PARTS LISTSSM DELTAZ 1-E.0 GB13.5 Outdoor Unit: DСR 25 Z DCINo. Part No. Description Quan.1 4522551 Grille A of GCN 12 4
13-6EXPLODED VIEWS AND SPARE PARTS LISTSSM DELTAZ 1-E.0 GB13.6 Outdoor Unit: DСR 35 Z DCINo. Part No. Description Quan.1 4522551 Grille A of GCN 12 4
14-1APPENDIX ASM DELTAZ 1-E.0 GBAPPENDIX AINSTALLATION AND OPERATION MANUAL► OPERATING MANUAL DELTA 25, 35 DCI / DCR 25Z, 35Z► INSTALLATION MANUAL
1-3INTRODUCTIONSM DELTAZ 1-E.0 GB1.7 Tubing ConnectionsFlare type interconnecting tubing to be produced on site.For further details please refer to th
2-1PRODUCT DATA SHEETSM DELTAZ 1-E.0 GB2. PRODUCT DATA SHEET2.1 Delta 25 / DCR 25Z R410AModel Indoor UnitDELTA 25 DCIModel Outdoor UnitDCR 25 Z R410
2-2PRODUCT DATA SHEETSM DELTAZ 1-E.0 GB2.2 Delta 35 / DCR 35 Z R410AModel Indoor UnitDELTA 35 DCIModel Outdoor UnitDCR 35 Z R410AInstallation Method
3-1RATING CONDITIONS SM DELTAZ 1-E.0 GB3. RATING CONDITIONSRating conditions in accordance with ISO 5151 and ISO 13253
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