Mitsubishi Electric PAC-IF013B-E Installation Manual page 22

7. Requirement on local design
7.3. Thermistor position
< Target temp. thermistor (Locally supplied) >
Put thermistor where average supply or return air temperature for heat exchanger can be detected.
Put thermistor where it does NOT pick up the temperature of heat exchanger.
< Liquid refrigerant pipe thermistor (TH2) >
Put thermistor where liquid refrigerant pipe temperature can be detected.
Protect the thermistor with heat insulating materials not to be affected by the ambient temperature, etc.
In case that the refrigerant is distributed by distributor, put thermistor before the distributor.
< 2-Phase temp. thermistor (TH5) >
Put thermistor where 2-Phase temperature can be detected on the indoor HEX pipe.
It should be located in the middle of inlet and outlet ports.
If there are some paths, locate it on the top of them.
Protect the thermistor with heat insulating materials not to be affected
by the ambient temperature, etc.
< Target temp. thermistor (TH1) >
Put thermistor where average supply or return air temperature for heat exchanger can be detected.
Put thermistor where it does NOT pick up the temperature of heat exchanger.
< HEX inlet temp. thermistor (TH11) >
Put thermistor where average air temperature of heat exchanger inlet can be detected.
Put thermistor where it does NOT pick up the temperature of heat exchanger.
7.4. Restriction on input signals to the interface unit
Follow the "Note" in section 3.1 and 3.2.
7.5. Indoor operation range
Follow the operation range shown in section 3.3.
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Distributor
TH2
TH5