Daikin ERQ Manuals

Manuals and User Guides for Daikin ERQ. We have 2 Daikin ERQ manuals available for free PDF download: Service Manual, Installation Manual

Daikin ERQ Service Manual

Daikin ERQ Service Manual (260 pages)

ERQ 100/125/140 A7V1B (outdoor unit) EKEQD/F/MCBV3 (control box) EKEXV 50/63/80/100/125/140 (expansion valve kit)  
Brand: Daikin | Category: Heat Pump | Size: 13.3 MB
Table of contents
Service Manual1................................................................................................................................................................
Table Of Contents3................................................................................................................................................................
Safety Cautions7................................................................................................................................................................
Part 1 General Information11................................................................................................................................................................
Model Names Of Outdoor Units, Control Box And Expansion Valve Kit12................................................................................................................................................................
Control Box13................................................................................................................................................................
Expansion Valve Kit14................................................................................................................................................................
Esie0915................................................................................................................................................................
Part 2 Specifications17................................................................................................................................................................
Specifications18................................................................................................................................................................
Air Handling Units21................................................................................................................................................................
Part 3 List Of Electrical And Functional Parts23................................................................................................................................................................
List Of Electrical And Functional Parts24................................................................................................................................................................
Part 4 Refrigerant Circuit25................................................................................................................................................................
Refrigerant Circuit26................................................................................................................................................................
Functional Parts Layout28................................................................................................................................................................
Back View29................................................................................................................................................................
Part 5 Function31................................................................................................................................................................
Operation Mode32................................................................................................................................................................
Basic Control33................................................................................................................................................................
Compressor Pi Control34................................................................................................................................................................
Cooling Operation Fan Control35................................................................................................................................................................
Special Control36................................................................................................................................................................
Oil Return Operation37................................................................................................................................................................
Defrosting Operation39................................................................................................................................................................
Pump-down Residual Operation40................................................................................................................................................................
Restart Standby41................................................................................................................................................................
Stopping Operation42................................................................................................................................................................
Protection Control43................................................................................................................................................................
Low Pressure Protection Control44................................................................................................................................................................
Discharge Pipe Protection Control45................................................................................................................................................................
Inverter Protection Control46................................................................................................................................................................
Other Control47................................................................................................................................................................
Outline Of Control48................................................................................................................................................................
Freeze Prevention50................................................................................................................................................................
Hot Start Control (in Heating Operation Only)51................................................................................................................................................................
Part 6 Control Box Ekeq - Cbv353................................................................................................................................................................
Different Systems With Their Control Boxes54................................................................................................................................................................
System B: Multi56................................................................................................................................................................
X-control59................................................................................................................................................................
Y-control60................................................................................................................................................................
Z-control61................................................................................................................................................................
Wiring Diagram Of Control Box62................................................................................................................................................................
F-box63................................................................................................................................................................
Attention Points64................................................................................................................................................................
System A: Ekeqf & Ekeqd-box: Installation And Operation Manual65................................................................................................................................................................
System B: Ekeqm-box: Installation And Operation Manual80................................................................................................................................................................
Part 7 Test Operation93................................................................................................................................................................
Test Operation94................................................................................................................................................................
Air Tight Test And Vacuum Drying95................................................................................................................................................................
Additional Refrigerant Charge95................................................................................................................................................................
Operation When Power Is Turned On100................................................................................................................................................................
Outdoor Unit Pc Board Layout101................................................................................................................................................................
Field Setting102................................................................................................................................................................
Field Setting From Outdoor Unit110................................................................................................................................................................
Part 8 Installation And Operation Manual127................................................................................................................................................................
Installation Manual128................................................................................................................................................................
Part 9 Troubleshooting159................................................................................................................................................................
Symptom-based Troubleshooting161................................................................................................................................................................
Troubleshooting By Remote Controller164................................................................................................................................................................
Self-diagnosis By Wired Remote Controller165................................................................................................................................................................
Remote Controller Service Mode166................................................................................................................................................................
Remote Controller Self-diagnosis Function168................................................................................................................................................................
Troubleshooting By Indication On The Remote Controller175................................................................................................................................................................
Abnormal Power Supply Voltage178................................................................................................................................................................
Valve (y1e, Y3e)198................................................................................................................................................................
Pipe206................................................................................................................................................................
Temperature Rise211................................................................................................................................................................
Inverter And Control Pc Board215................................................................................................................................................................
Expansion Valve Failure217................................................................................................................................................................
Outdoor Units222................................................................................................................................................................
Troubleshooting By Indication On The Unified On/off Controller228................................................................................................................................................................
Display "under Host Computer Integrate Control" Blinks (repeats Single Blink)230................................................................................................................................................................
Display "under Host Computer Integrate Control" Blinks (repeats Double Blink)233................................................................................................................................................................
Part 10 Appendix237................................................................................................................................................................
Piping Diagrams238................................................................................................................................................................
Wiring Diagrams239................................................................................................................................................................
Field Wiring240................................................................................................................................................................
Option List241................................................................................................................................................................
Thermistor Resistance / Temperature Characteristics242................................................................................................................................................................
Pressure Sensor244................................................................................................................................................................
Method Of Replacing The Inverter's Power Transistors Modules245................................................................................................................................................................
Part 11 Precautions For New Refrigerant (r-410a)247................................................................................................................................................................
Precautions For New Refrigerant (r-410a)248................................................................................................................................................................
Refrigerant Cylinders250................................................................................................................................................................
Service Tools251................................................................................................................................................................

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Daikin ERQ Installation Manual

Daikin ERQ Installation Manual (42 pages)

Brand: Daikin | Category: Heat Pump | Size: 9.48 MB
Table of contents
Table Of Contents3................................................................................................................................................................
Data Plate - Specific Information4................................................................................................................................................................
Data Plate Location5................................................................................................................................................................
Receiving & Handling5................................................................................................................................................................
Visible Loss Or Damage5................................................................................................................................................................
Concealed Loss Or Damage5................................................................................................................................................................
Safety6................................................................................................................................................................
Typical Floor Unit Installation7................................................................................................................................................................
Meeting Ibc Seismic Requirements8................................................................................................................................................................
Unit Depth10................................................................................................................................................................
Installing Louvers12................................................................................................................................................................
Installing The Ventimatic Shutter Assembly14................................................................................................................................................................
Preparing To Move The Unit16................................................................................................................................................................
Unit Ventilator Installation16................................................................................................................................................................
Before Sliding The Unit Into Place16................................................................................................................................................................
Installing Casters16................................................................................................................................................................
Reversing Condensate Drain End17................................................................................................................................................................
Mounting Hole Locations & Dimensions17................................................................................................................................................................
Operating Limits19................................................................................................................................................................
Piping Considerations20................................................................................................................................................................
Water System Cleaning21................................................................................................................................................................
Make Piping Connections22................................................................................................................................................................
Water Coil Connections22................................................................................................................................................................
System Balancing23................................................................................................................................................................
Making Control Connections24................................................................................................................................................................
Typical Wiring Diagram27................................................................................................................................................................
Size 02428................................................................................................................................................................
Size 04829................................................................................................................................................................
Microtech Ii Remote Wall-mounted Sensor32................................................................................................................................................................
Installing (optional) End Panel37................................................................................................................................................................
Prepare Unit Ventilator For Start-up39................................................................................................................................................................
Prepare For Start-up40................................................................................................................................................................
Complete Check, Test And Start Procedure40................................................................................................................................................................
Troubleshooting41................................................................................................................................................................
General Maintenance41................................................................................................................................................................
The In And Outs Of R-410a41................................................................................................................................................................

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