Mitsubishi Electric e Series Service Handbook page 103

[ VII Control ]
(7) Setting the supplementary heater signal output conditions
A temperature at which the signal output to operate supplementary heaters can be selected.
Supplementary heater signal output conditions
The operation command signal is ON and at least one of the following two conditions is met.
The supplementary heater signal is output from K51-K52.
Supplementary heater signal output stop conditions
The operation command signal is OFF or at least one of the following two conditions is met.
Set the dip switches on the circuit board as follows to make the settings for the items described in this section.
Press the push switch SWP3 to enable the configuration changes.
Press the push switches SWP1 (↑) or SWP2 (↓) to increase or decrease the value.
When the desired value is displayed, press SWP3 to save the setting value.
Settings table
Dip switch setting (SW1)
No.
■:ON □:OFF
1 1 0 1 0 0 0
2 1 1 1 0 0 0
HWE1417B
1 Water-temperature control option (SW2-5) is set to OFF, the inlet water temperature
drops below a set water temperature, and the outdoor temperature drops below a set
outdoor temperature.
2 Water-temperature control option (SW2-5) is set to ON, the external water
temperature sensor reading (TH15) drops below a set water temperature, and the
outdoor temperature drops below a set outdoor temperature.
1 The inlet water temperature is at or above a set water temperature +2°C or the
outdoor temperature is at or above a set outdoor temperature +2°C.
2 External water temperature sensor reading (TH15) is at or above a set water
temperature +2°C.
Setting Item
1 1 0 1 Supplementary heater operation water temp
1 1 0 1 Supplementary heater operation outdoor temp
Initial
Unit
value
40
ºC
-10
- 94 -
Setting Setting change from
an optional remote
Lower Upper
Increments
(PAR-W21MAA
limit limit
or PAR-W31MAA)
0.1ºC 0 55
0.1ºC -30 50
controller
Not possible
Not possible
GB