ComfortZone RX35/RX50/RX65
Service
&
Maintenance
18
Connection terminals and fuses
F1 = 3-way valve (4.0AT, 5x20 mm)
F2 = Circulation pump (4.0T, 5x20 mm)
F3 = Fan (4.0T, 5x20 mm)
F4 = T12 supply (4.0AT, 5x20 mm)
F5 = Transformer primary (160mAT, 5x20 mm)
F6 = Transformer secondary (1.25AmpTT
superslow, 5x20 mm)
M1 = HP box control signals
M2 = Circulation pump control
M3 = 3-way valve 230V
M4 = Circulation pump supply 230V
M5 = Fan supply 230V
M6 = Inverter supply 230 V
RJ1 = Display
RJ2 = Not used
X1 = Not used
X2 = Not used
X3 = External fan control
X4 = External sensors
X5 = Temp. sensors in heat pump
X6 = Relay
X7 = Alarm relay
X8 = LED light
X9 = Supplementary heater
X10 = Incoming power connection
X11= T12 supply
18.1
Connection to auxiliary heater X9
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