Printed Circuit For Unit With Electric Heaters - Carrier 42WHC016 Installation Manual

42 WHC/WHE
Electrical connections
10
90
60
CN1
CN2
FAN MOTOR
M4
Table V: Printed circuit for unit with electric heater
Connection Reference
sequence figure
1 M1
2
M5
3 M3
4 GND
5 CN2
6
M2
(accessory)
7 CN1
8 M4
===
RL1
===
SW1
CN1
GND
L
FAN MOTOR
M4
Mod. 42WHE connections
L N TH HTR
GND
PUMP M3 M2
F1
L N 1 2 3 4 5
Connection
Water valve
Wall control with
room thermostat
Condensate drain pump
Ground
Electric heater
High water temperature
protection thermostat
Fan motor
Power supply
Electric heater auxiliary relay
Electric heater only /
heater + hot water switch
L N HT C CL V1 V2
M3 PUMP M2 C/OVER M1 VALVE
F1
N 1 2 3 4 5 6 7
M5
³
·
V1 V2
RL1
ONLY HTR
M1 VALVE
H 0 + HTR
2
6 7 8
M5
Connection
device
Screw terminal block
Screw terminal block
Screw terminal block
Ground
Polarised connector
Screw terminal block
Polarised connector
Screw terminal block
Connections only
on printed circuit
Connections only
on printed circuit
E N G L I S H
RL1
CN2
CDP
³ To control
· Power supply
To unit motor
To the electric heaters
Ground
Condensate drain pump
Max. water temperature
thermostat
Valve
Operation mode selector
Fuse
To control
Number of
poles
2
8
3
2 male faston connectors
3
2
6
3
===
===
Installer
connection
X
X
X
X
X
X
X
X
GB - 9