- 49 -
INST
ALLA
TION
INSTALLATION
Fig. 6.24
9
10
11
12 13
14
15
16
17
For the connection of the zone valve use the
terminals from the auxiliary card
N
(common
neutral),
L (NO)
line 230V ~ (valve opens
heating system),
L (NC)
line 230V ~ (valve
closes heating system) Fig. 6.25.
Fig. 6.25
V
L (NC)
N
L (NO)
Auxiliary card
terminal board
Zone
valve
To remotely connect utilise the terminals in-
dicated in Fig. 6.30.
6.11 External frost protection
• Connect the frost thermostat between ter-
minals 1 and 2 as shown in Fig. 6.26 or
Fig. 6.27.
Do not connect live wires to terminals to
which the frost thermostat must be con-
nected.
Fig. 6.26
Room thermostat
N
L
3
2
1
(230V rating)
Frost Thermostat
(230V rating)
T
T
Fig. 6.27
1
2
3
L
N
Frost thermostat
(230V rating)
Room
thermostat
with anticipating
resistor
(230V rating)
T
T
Содержание Activ A 25S
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