Installation
31
wire). External 3 A fuse or fused plug with same
current rating is recommended.
Do not connect live wires to terminals to
which the room thermostat must be con-
nected.
7
Connect the earth wire (yellow/green).
Connection of a room thermostat
The room thermostat must be connected to the
terminal block situated next to the control panel.
When connecting any type of external control,
the link M in Fig. 6.16 must be removed.
1
2
L
N
3
To fused spur
isolation switch
Power supply
terminal block
External controls
terminal block
M
Fig. 6.16
8 Connect the room thermostat between ter-
minals 1 and 3 as shown in Fig. 6.17.
Do not connect live wires to terminals to
which the room thermostat must be con-
nected.
Power supply
terminal block
External controls
terminal block
T
Room thermostat
1
2
L
N
3
Fig. 6.17
9 Route the electrical supply flexible cord and
the external control flexible cord as illustrated
in Fig. 6.18.
Lock the flexible cords in place with the flexible
cord clamps
To the fused spur
To the external
control device
isolation switch
Fig. 6.18
6.10
External frost protection
10 Connect the frost thermostat between ter-
minals 1 and 2 as shown in Fig. 6.19.
Do not connect live wires to terminals to
which the room thermostat must be con-
nected.
Power supply
terminal block
External controls
terminal block
T
Room thermostat
T
Frost thermostat
1
2
L
N
3
Fig. 6.19
IN
S
TA
LLA
TI
O
N
