Internal Unit: Luster Terminals (Signal And Safety Connections) - Viessmann VITOCAL 200-S Installation And Service Instructions Manual

Installation sequence
Electrical connection
Immersion heater (230 V~, on site)
224.7
B
X2.N
A
Fig. 22
Immersion heater, power supply
A
1/N/PE 230 V/50 Hz
Terminals of the heat pump control unit
B

Internal unit: Luster terminals (signal and safety connections)

Set the required parameters during commissioning:
See from page 47.
Terminals Function
X3.1 Switched phase
X3.3 Flow switch
X3.4
X3.6 Power-OFF (jumper fitted at the fac-
X3.7 tory)
G
26
(cont.)
L1 L1 L1 N N N
?
Explanation
Via control unit ON/OFF switch
Note
Observe the total load 1000 W of all connected compo-
nents.
Requires zero volt N/O contact:
Closed: Heat pump in operation
■
Open: Heat pump shut down
■
Breaking capacity 230 V~, 0.15 A
■
Remove jumper when connecting.
Requires zero volt N/C contact:
Closed: Heat pump in operation
■
Open: Heat pump shut down
■
Breaking capacity 230 V~, 0.15 A
■
Remove jumper when connecting.