Mitsubishi Electric EHST20C-MEC.UK Manuals

Manuals and User Guides for Mitsubishi Electric EHST20C-MEC.UK. We have 1 Mitsubishi Electric EHST20C-MEC.UK manual available for free PDF download: Service Manual

Mitsubishi Electric EHST20C-MEC.UK Service Manual

Mitsubishi Electric EHST20C-MEC.UK Service Manual (89 pages)

CYLINDER UNIT

Brand: Mitsubishi Electric | Category: Heat Pump | Size: 21.91 MB

Table of Contents

Table of Contents
1
Reference Manual
2
Safety Precaution
3
Specifications
6
Parts Names and Functions
7
Outlines and Dimensions
8
Service Access Diagrams
9
Wiring Diagram
10
- Automatic Switch to Backup Heat Source Operation
  16
- DIP Switch Setting
  16
Field Wiring
17
Water System Diagram
21
- Local System
  23
- Draining the Cylinder Unit
  24
- Filling the Cylinder Unit
  24
Controls
25
- Main Controller
  25
- General Operation
  26
- Main Settings Menu
  26
- Setting the Main Controller
  26
- Manual Operation
  29
- Service Menu
  29
- Economy Settings for Pump
  30
- Electric Heater (DHW)
  30
- Electric Heater (Heating)
  30
- Thermistor Adjustment
  30
- Flow Sensor
  31
- Heat Source Setting
  31
- Mixing Valve Control
  31
- Pump Speed
  31
- Freeze Stat Function
  32
- Heating Operation
  32
- Operation Settings
  32
- Simultaneous Operation
  32
- Energy Monitor Settings
  33
- General Description
  33
- Settings Using the Main Controller
  33
- External Input Settings
  34
- Running Information
  34
- Thermistor Reading
  34
- Error History
  35
- Password Protection
  35
- Summary of Settings
  35
- Manual Reset
  36
- SD Card
  36
- Indoor Unit Switch Setting Display
  38
- Output Signal Display
  40
- Input Signal Display
  43
- Emergency Operation
  44
- Indoor Unit Only Operation
  44
- Malfunction Diagnosis Method by Main Controller
  45
- Test Run
  45
Troubleshooting
45
Disassembly Procedure
61
- Notes on Replacing the Parts
  83
- Back-Up Operation of Boiler
  84
Supplementary Information
84
Engineers Forms
85
Service and Maintenance
85
Annual Maintenance Log Book
87

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