CONTROLLO ZONE FZ4B
79
cod. FZ4B - 06/2011 (Rev. 00)
EN
Three direct zones and one hot water tank circuit
Schematic diagram
CALDAIA
318a
a
318b
b
318c
c
318d
155
d
72a/139a
72b/139b 72c/139c
• Management of priority/contemporaneity with parameter FZ4B P25
• Management of Economy/Comfort only with Remote Timer Control
fi
g. 28
Electrical connections
After installation, carry out the necessary electrical connections as shown in the wiring diagram.
Then con
fi
gure the controller as described in the speci
fi
c section.
RY1
RY2
RY3
RY4
RY5
RY6
RY7
RT1
RT2
RT3
T1
T2
T3
T4
7 (L)
8 (N)
9 (L)
10 (N)
11 (L)
12 (L)
13 (L)
14 (N)
15 (L)
16 (L)
19 - 20
21 - 22
23 - 24
25 - 26
27 - 28
29 - 30
30 - 31
318a 318a/318d
318b
318b
318c
318c
318d
72a/139a 72b/139b 72c/139c
155
318a 318a/318d
318b
318b
318c
318c
318d
72a/139a 72b/139b 72c/139c
155
138
318a
139a
72a
138
230Vac
50Hz
L
N
IMPIANTO
318b
139b
72b
139c
72c
318c
318d
155
FZ4B
X15
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24 2526 27 28 29 3031 32 33
L_N L_N L_N L
L_N
L
L L
X01
X02
X03
X09
X10
X11
X12
X13
X14
BUSRT1 RT2 RT3 T1
T2
T3T4 BLR
fi
g. 29
Key
72a
1st zone (direct) room thermostat
155
Hot water tank probe
a
1st zone (direct)
72b
2nd zone (direct) room thermostat
318a
1st zone (direct) circulating pump
b
2nd zone (direct)
72c
3rd zone (direct) room thermostat
318b
2nd zone (direct) circulating pump
c
3rd zone (direct)
138
External probe
318c
3rd zone (direct) circulating pump
d
Hot water tank circuit
139a
1st zone (direct) Remote Timer Control
318d
Hot water tank circulating pump
____ Necessary wiring
139b
2nd zone (direct) Remote Timer Control
- - - - Optional wiring
139c
3rd zone (direct) Remote Timer Control
To manage the sliding temperature it is necessary to purchase the external probe accessory code 013018X0
If a hot water tank thermostat (not supplied) is used, it is necessary to purchase the accessory kit code 013017X0 (to be connected in place of the Hot water tank Probe)
Содержание FZ4B
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