Mitsubishi Electric EHST20C-YM9EB.UK Manuals

Manuals and User Guides for Mitsubishi Electric EHST20C-YM9EB.UK. We have 1 Mitsubishi Electric EHST20C-YM9EB.UK manual available for free PDF download: Service Manual

Mitsubishi Electric EHST20C-YM9EB.UK Service Manual

Mitsubishi Electric EHST20C-YM9EB.UK Service Manual (91 pages)

CYLINDER UNIT

Brand: Mitsubishi Electric | Category: Heat Pump | Size: 11.94 MB

Table of Contents

Table of Contents
1
Service Manual
1
Reference Manual
2
Safety Precaution
3
Specifications
6
Part Names and Functions
7
Outlines and Dimensions
10
Service Access Diagrams
10
Wiring Diagram
11
- Automatic Switch to Backup Heat Source Operation
  23
- Dip Switch Setting
  23
Field Wiring
24
Water System Diagram
28
Controls
33
- Main Controller Menu Tree
  34
- Manual Operation
  36
- Service Menu
  36
- Auxiliary Settings
  37
- Function Settings
  37
- Thermistor Adjustment
  37
- Electric Heater (DHW)
  38
- Electric Heater (Heating)
  38
- Mixing Valve Control
  38
- Pump Speed
  38
- Freeze Stat Function
  39
- Heat Source Setting
  39
- Operation Settings
  39
- Simultaneous Operation
  39
- Cold Weather Function
  40
- Room Temp Control (Heating)
  40
- Demand Control (IN4)
  41
- External Input Settings
  41
- Floor Dry up Function
  41
- Outdoor Thermostat (IN5)
  41
- Error History
  42
- Running Information
  42
- Summary of Settings
  42
- Thermistor Reading
  42
- Manual Reset
  43
- Password Protection
  43
- Resetting the Password
  43
- SD Card
  44
- Indoor Unit Switch Setting Display
  46
- Output Signal Display
  48
- Mixing Valve State
  50
- Input Signal Display
  51
- Emergency Operation (Boiler)
  52
- Emergency Operation (Heater)
  52
- Malfunction Diagnosis Method by Main Controller
  53
- Test Run
  53
Troubleshooting
53
Disassembly Procedure
69
Supplementary Information
85
Engineers Forms
86
Service and Maintenance
86
Annual Maintenance Log Book
88

Advertisement

Advertisement

Related Products

Mitsubishi Electric Categories

Air Conditioner

Air Conditioner Controller

Projector

Projector Inverter Heat Pump

More Mitsubishi Electric Manuals