Viessmann BW 301.B06, Installation And Service Instructions Manual

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29
Plug sYA
Clamps Function Explanation
211.1
1.
■
Primary pump (heat pump stage 1
or common primary pump)
■
Control of well pump
Connection values
■
Output: 200 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
211.2
1.
Secondary pump (heat pump stage 1)
■
In systems that do not have a heating water buffer
cylinder, no other heating circuit pump is required:
See terminal 212.2.
■
Connect a temperature limiter to restrict the maximum
temperature for underfloor heating circuits (if instal-
led) in series.
Connection values
■
Output: 140 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
Note
Connected at the factory for type BWC 301.B
211.3
r
1.
Control of instantaneous heating wa-
ter heater, stage 1 Connection values
■
Output: 10 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
211.4 Connection values
■
Output: 130 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
Note
With type BWC 301.B, the circulation pump for cylinder
heating is connected at the factory.
M
r
3-way diverter valve "central
heating/DHW heating"
Circulation pump for cylinder heating
Cylinder loading pump
211.5
NC
Control of natural cooling function NC/AC-Box or on-site components for NC/AC cooling
Connection values
■
Output: 10 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
Installation sequence
Electrical connection
(cont.)
5516461
Installation