Mitsubishi Electric PAC-IF012B Technical Manual page 75

<Temperature OFFSET setting>
This setting is to adjust the difference between the actual fl ow water temperature at the refrigerant-water heat exchanger outlet
and the temperature sensed by TH1 which tends to be lower due to heat leakage from water piping.
HEATING mode
T(a)=Actual Flow water
temp.(outlet side)
Outdoor unit
*1
Water piping
COOLING mode
T(a)=Actual Flow water
temp.(outlet side)
Outdoor unit
*1
Water piping
TEMP OFFSET
Set OFFSET temperature
HEATING
TEMP OFFSET
Set OFFSET temperature
COOLING
♦ In order to let the PCB memorize the changed parameters
Make sure to press the
If you press the
ON/OFF
you can exit from this mode without any change.
T(h)
FTC
=T(a)-T(s)
TH1
T(s)=sensed flow water
temp.
T(c)
FTC
=T(s)-T(a)
TH1
T(s)=sensed flow water
temp.
T(h) in HEATING mode with [TEMP] buttons (
T(c) in COOLING mode with [TEMP] buttons (
button before quitting the INITIAL SETTING mode.
CIR.WATER
button in INITIAL SETTING mode before pressing the
*1 Refrigerant-water HEX
75
and ) .
and ) .
button ,
CIR.WATER