External Frost Protection - Biasi RIVA ADVANCE HE M110B.24SM/C User Manual And Installation Instructions

To the external
control device
Fig. 6.16
It is not necessary to cut away the plas-
tic service panel to route the electrical
cords.

6.10 External frost protection

• Connect the frost thermostat between ter-
minals 1 and 2 as shown in Fig. 6.17 or
Fig. 6.18. Do not connect live wires to
terminals to which the room thermostat
must be connected.
Frost Thermostat
T
(230V rating)
External controls
terminal block
Fig. 6.17
- 42 -
INSTALLATION
To the fused
spur isolation
switch
Room thermostat
T
(230V rating)
L N
3 2 1
Power supply
terminal bloc k
Frost
thermostat
T
(230V rating)
External controls
terminal block
Fig. 6.18
Room
thermostat
with anticipating
T
resistor
(230V rating)
L N
3 2 1
Power supply
terminal block