Viessmann Vitocal 222-A, Инструкция по установке и обслуживанию

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40
Indoor unit: Luster terminals (signal and safety connections)
Set the required parameters during commissioning:
See page 68 onwards.
Terminals Function Explanation
X3.1 Switched phase Via control unit ON/OFF switch
Note
Observe the total load 1000 W of all connected compo-
nents.
X3.6
X3.7
G
Power-OFF (jumper fitted at the fac-
tory) Requires floating contact:
■
Closed: Heat pump operational
■
Open: Heat pump shut down
■
Breaking capacity 230 V~, 0.15 A
Remove jumper when connecting.
Note
■
No parameters need to be set
■
The compressor is "forced" off as soon as the contact
opens.
■
The power-OFF signal switches off the power supply
to the relevant component, subject to the power sup-
ply utility.
■
For the instantaneous heating water heater, the
stages to be switched off can be selected (parameter
"Output for instant. heating water heater at pow-
er-OFF 790A"
).
■
The power supply for the heat pump control unit
(3 x 1.5 mm
2 ) and the cable for the power-OFF signal
can be combined in a single 5-core cable.
For further information regarding power-OFF: See
chapter "Power supply".
In connection with Smart Grid:
Do not connect the power-OFF signal.
Do not remove jumper.
X3.8
X3.9 Type AWOT(-M)-E-AC:
■
Frost stat
and/or
Contact humidistat 230 V~
■
Or jumper
Type AWOT(-M)-E:
■
Jumper
Requires floating contact:
■
Closed: Safety chain has continuity
■
Open: Safety chain interrupted; heat pump shut down
■
Breaking capacity 230 V~, 0.15 A
Connection:
■
Connected in series if both safety components are in-
stalled
■
Insert jumper if no safety components are instal-
led.
X40.L1 Heat pump control unit power supply:
Phase L1
X40.
?
Earth conductor terminal
X40.N Neutral conductor terminal
Power supply 230 V~: See page 46 onwards.
Installation sequence
Electrical connection
(cont.)
5831412
Installation