CONTROLLO ZONE FZ4B
81
cod. FZ4B - 06/2011 (Rev. 00)
EN
One mixed zone, one direct zone and one hot water tank circuit
Schematic diagram
Use 3-wire mixing valves:
- OPENING PHASE 230V
- CLOSING PHASE 230V
- NEUTRAL.
with switching times (from all closed to all open) of not more than
180 seconds.
• Management of priority/contemporaneity with parameter FZ4B P25
• Management of Economy/Comfort only with Remote Timer Control
CALDAIA
M
318a
317a
319a
315a
a
318b
b
318c
155
c
72a/139a
72b/139b
fi
g. 32
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
315a - A 315a - B 315a - C
318b
318b/318c
318c
72a/139a
72b/139b
319a
155
318a
318a
315a - A 315a - B 315a - C
318b
318b/318c
318c
72a/139a
72b/139b
319a
155
138
318a
317a
318b
315a
139a
72a
139b
72b
319a
138
230Vac
50Hz
L
N
IMPIANTO
A B C
155
318c
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. 33
72a
1st zone (mixed) room thermostat
72b
2nd zone (direct) room thermostat
138
External probe
139a
1st zone (mixed) Remote Timer Control
139b
2nd zone (direct) Remote Timer Control
315a
1st zone (mixed) mixing valve
A
= OPENING PHASE
B
= NEUTRAL
C
= CLOSING PHASE
155
Hot water tank probe
317a
1st zone (mixed) safety thermostat
318a
1st zone (mixed) circulating pump
318b
2nd zone (direct) circulating pump
318c
Hot water tank circulating pump
319a
1st zone (mixed) delivery sensor
a
1st zone (mixed)
b
2nd zone (direct)
c
Hot water tank circuit
____ Necessary wiring
- - - - Optional wiring
In case of Stand Alone 2 con
fi
guration it is necessary to purchase the NTC probe accessory code 1KWMA11W (2 mt.) or code 043005X0 (5 mt.)
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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