External Frost Protection - Biasi RIVA PLUS HE 24C ERP User Manual And Installation Instructions

N
Fig. 6.16
• Connect the room thermostat between ter-
minals 1 and 3 as shown in Fig. 6.17.
Do not connect live wires to ter-
minals to which the room ther-
mostat must be connected.
Room
thermostat
L
T
3 1
External controls
terminal block
Fig. 6.17
• Route the electrical supply flexible cord
and the external control flexible cord
as illustrated in Fig. 6.18. Lock the flex-
ible cords in place with the flexible cord
clamps.
- 50 -
INSTALLATION
N
Power supply
terminal block
To the external
control device
Fig. 6.18

6.10 External frost protection

• Connect the frost thermostat between
terminals 1 and 2 as shown in Fig. 6.19.
Do not connect live wires to terminals
to which the room thermostat must be
connected.
Frost thermostat Room thermostat
T
3
Fig. 6.19
To the fused
spur isolation
switch
L N
T
Power supply
terminal block
2 1
External controls
terminal block