Mitsubishi Heavy Industries FDT28KXE6A Service Manual page 133

Notes (1) Preset point of protective deviees
63H1-1 : Open 4.15MPa, Close 3.15MPa
(For protection)
(2) Function of thermistor
PSH : For compressor control
Cooling: 3.70 ON (MPa)
Heating: 3.00 ON (MPa)
PSL : ON 0.18MPa, OFF 0.20MPa
(For compressor control)
ON 0.134MPa, OFF 0.18MPa
(For protection)
ThI-R1, R2 : Heating operation : Indoor fan control.
Cooling operation : Frost prevention control.
Super heat control.
ThI-R3 : For super heat control of cooling operation.
Tho-D : For control of discharge pipe temperature.
Tho-C : For control of temperarure under the dome.
Tho-S : For control of suction pipe temperature.
Tho-R1, R2 : For control of defrosting.
Tho-A : For control of defrosting.
Tho-R3, R4 : Electronic expansion valve (EEVH1, 2) control of heating operation
Tho-SC : Electronic expansion valve (EEVSC) control of cooling operation.
Tho-H : For super heat control of sub-cooling coil.