Mitsubishi Electric CMB-WM108V-AA Service Handbook page 111

[ V Refrigerant Circuit ]
2. Sub-HBC
Part name Symbols
Thermistor TH31a~p
TH32, 33
Valve VB3a~p
block
*1. The names of port "a" through "p" are corresponding to port 1 through 16.
*2. For the degree of valve opening, "0" or "1600" indicates fully open and "800" indicates fully closed.
3. Indoor unit
Component
Room temperature
thermistor
Water inlet pipe
thermistor
Water outlet pipe
thermistor
HWE1708A
Notes
*1
, Water Indoor unit circulating water con-
side trol
*1
Water 1) Switches the water flow
side
path depending on the op-
eration mode
2) Temperature difference
control
Controls the water flow to
each indoor unit
Symbol
TH21
Resistance 0°C/15kΩ, 10°C/9.6kΩ, 20°C/6.3kΩ, 25°C/5.4kΩ, 30°C/4.3kΩ, 40°C/3.0kΩ
TH22
Resistance 0°C/15kΩ, 10°C/9.6kΩ, 20°C/6.3kΩ, 25°C/5.4kΩ, 30°C/4.3kΩ, 40°C/3.0kΩ
TH23
Resistance 0°C/15kΩ, 10°C/9.6kΩ, 20°C/6.3kΩ, 25°C/5.4kΩ, 30°C/4.3kΩ, 40°C/3.0kΩ
Usage
Same as the table above
DC12V
Opening of a valve driven by
a stepping motor
- 102 -
Specifications Check method
*2
GB