External Frost Protection - Biasi GARDA PLUS HE M110B.24SM/E User Manual And Installation Instructions

6.11 External frost protection

• Connect the frost thermostat between ter-
minals 1 and 2 as shown in Fig. 6.19 or
Fig. 6.20. 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. 6.19
Frost
thermostat
T
(230V rating)
External controls
terminal block
Fig. 6.20
- 44 -
INSTALLATION
Room thermostat
T
(230V rating)
L N
3 2 1
Power supply
terminal bloc k
Room
thermostat
with anticipating
T
resistor
(230V rating)
L N
3 2 1
Power supply
terminal block