User Manuals: STIEBEL ELTRON 202620 Heat Pump

Manuals and User Guides for STIEBEL ELTRON 202620 Heat Pump. We have 1 STIEBEL ELTRON 202620 Heat Pump manual available for free PDF download: Repair Instructions

STIEBEL ELTRON 202620 Repair Instructions

STIEBEL ELTRON 202620 Repair Instructions (48 pages)

Brand: STIEBEL ELTRON | Category: Heat Pump | Size: 2 MB

Table of Contents

Table of Contents
2
General Note
5
Applicable Information / Substitute Notes
5
Affected Devices
6
Variants
6
Functional Description
6
Heating and Hot Water Operation
6
Compressor Control
8
Compressor Locked
8
Passive Cooling Mode (Variant B and D)
8
Device Description
9
Housing
9
Circuit Diagram
9
Variant a and B (up to 9555)
10
Variant a and B (up to 9555)
11
Variant a and B (from 9556)
12
Variant a and B (from 9556)
13
Variant C and D (up to 9555)
14
Variant C and D (up to 9555)
15
Variant C and D (from 9556)
16
Legend Circuit Diagram
18
Hydraulic Plan
19
Position of the Components
19
Variant a / C
20
Variant B / D
21
Refrigeration Circuit Diagram
22
Refrigerant Circuit / Hydraulics Variant D (Heating / Cooling / Hot Water)
24
Specifications and Safety Devices
27
Default Room Size
27
Safety Chain
27
Safety Temperature Limiter Compressor (BT51)
27
Safety Temperature Limiter Emergency/Auxiliary Heater (BT55)
27
Safety Concept
28
Scope of Delivery
28
Status Displays
28
Operation
28
Malfunction
29
Further Notes on Troubleshooting and Fault Rectification
37
Reset Control Unit (FES)
37
Reset Heat Pump Manager (WPM)
37
Multifunctional Assembly (MFG)
38
Overview of the Components of the Multifunctional Assembly (MFG)
38
Incorrect Circulation During DHW Charging or Heating Operation
38
Frequent WW Charging in Cooling Mode
38
Noise When Bypassing the Change-Over Valve
39
Water Leakage at the Motor of the Changeover Valve (MA12)
39
Blocking the DHC Stages if the Volume Flow Is too Low
39
Internal Brine Pressure Switch (BP18)
39
Source Min
40
Diaphragm Expansion Vessel (MAG) Heat Source Leaking
40
Pressure Monitoring Unit Housing
40
Testing Components
40
Internal Circulation Pump
40
Internal Heat Source Pump
41
Temperature Sensor
41
Pressure Sensors
41
Pressure Socket Connection Pressure Monitoring
41
Special Repair Specifications
42
Check Housing Tightness
42
Software Versions
43
Minimum Software Levels
43
Software History
43
Maintenance
44
Technical Data
44
Performance Data
44
Refrigerant Circuit Special Features
45
Evaporation Temperature
46
Condensing Temperature
46
Definition
46
Application Limits
47
Application Limit Heating
47
Application Limit Passive Cooling
47
Change History
48

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