Danfoss DHP-AQ Midi Manuals

Manuals and User Guides for Danfoss DHP-AQ Midi. We have 2 Danfoss DHP-AQ Midi manuals available for free PDF download: Service Instructions Manual

Danfoss DHP-AQ Midi Service Instructions Manual

Danfoss DHP-AQ Midi Service Instructions Manual (38 pages)

DHP-AQ series

Brand: Danfoss | Category: Heat Pump | Size: 3.27 MB

Table of Contents

Contents
3
About Documents and Decals
5
Introduction
5
Symbols in Documents
5
Symbols on Decals
5
Electrical Components
6
Pipe Connections
7
Terminology
7
Important Information
8
General Safety Precautions
8
Refrigerant
8
Work on the Refrigerant Circuit
8
Electrical Connection
9
Scrapping
9
Commissioning
10
Troubleshooting
11
Alarm
11
Components
12
Outdoor Unit
12
Indoor Unit
13
Measurement Points
13
DHP-AQ Mini
13
DHP-AQ MIDI
13
Measurement Checking Sensors During Fault Tracing
14
Outdoor / Defrost Sensor
14
PT1000 Sensor
14
Other Sensors
14
Positioning Sensors
15
Heat Pump
15
DHP-AQ Maxi
15
Check Points
16
Temperatures
16
Break Pressure Switch/Pressure Transmitter
16
Operational Problems
16
Problem – Alarm LP (Lower Pressure Transmitter)
17
Problem – Alarm HP (High Pressure Switch)
17
Problem – Alarm MS (Motor Protection)
19
Problem – Alarm Sensor (All)
20
Problem – Err Phase Seq.
20
Problem – Alarm Electric Heater Error
21
Problem – Alarm Circulation Pump
21
Leakage
22
Problem – Leak Fluid Side
22
Noise
23
Problem – Noise Problem in the Radiator System
23
Problem – Loud Compressor Noise
24
Problem – Shrieking, Whistling Noise
24
Problem – Noise – Miscellaneous
24
Hot-Water
25
Problem – Temperature And/Or Quantity
25
Heating Comfort
26
Problem – too Cold
26
Problem – too Hot
28
Problem – Irregular Indoor Temperature
29
Problem – the Heat Pump Runs and Runs but Never Stops
30
Problem – Runs on Electric Heating Element
30
The Auxiliary Heater Is in Operation but Not the Compressor
31
Problem – the Heat Pump Consumes too Much Energy
33
Problem – Auxiliary Heater Cuts in too Soon
35
Problem – Short Operating Times Despite Heating Demand
35
Problem – Connection of External AH
35
Problem – Noise/Loud Noise
36
Problem – Defrosting Problems
36
Problem – Build-Up of Ice under and Around the Outdoor Unit
36

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Danfoss DHP-AQ Midi Service Instructions Manual

Danfoss DHP-AQ Midi Service Instructions Manual (36 pages)

Brand: Danfoss | Category: Heat Pump | Size: 1.38 MB

Table of Contents

Table of Contents
3
1 About Documents and Decals

4
- Introduction
  4
- Symbols in Documents
  4
- Symbols on Decals
  4
2 Important Information/Safety Regulation

6
- General Safety Precautions
  6
- Refrigerant
  7
- Electrical Connection
  8
- Water Quality
  8
- Commissioning
  9
3 Troubleshooting

10
- Alarm
  10
- Components
  11
- Measurement Points
  12
- Check Points
  14
- Operational Problems
  15

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