Control Connections
43
Power/Pump Module Installation
(continued)
Power supply connection
1.
Install power supply receptacle in
range of module power cord. Ensure
the installation is in compliance with
the regulations of the national and/or
local authorities having jurisdiction.
2.
Connect 120 VAC power supply to
receptacle through low water cut-off
safety device, if so required by
authorities having jurisdiction.
Viessmann recommends the installation
of a disconnect switch to the 120 VAC
power supply outside the boiler room.
3.
Plug power/pump module cord into
installed receptacle.
See boiler wiring diagram on
the inside of the boiler
enclosure panel.
Technical data
Power supply
H
Rated voltage:
120 VAC, 1 PH
. . . . . . . . . . .
H
Rated frequency:
60 Hz
. . . . . . . . . . . . . . . . . . . . . . . . . .
H
Rated current:
12 A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pump outputs
H
Rated voltage:
120 VAC, 1 PH
. . . . . . . . . . .
H
Rated frequency:
60 Hz
. . . . . . . . . . . . . . . . . . . . . . . . .
H
Rated current:
10 A total
. . . . . . . . . . . . . . . . . . . . . . .
Pump connections
1.
Remove required number of
breakouts from power/pump module.
Install box connectors designed as
strain relief for pump connecting
cable.
2.
Run cables through box connectors
and secure by tightening connector
screw.
3.
Make connections to plugs
,
20A
,
in the power/pump module.
DHW recirculation
. . . . . . . . . . . . . . . . . . . . . . . . . .
boiler pump
with
. . . . . . . . . . . . . . . . . . . . . . . . . .
(low-loss header
only
)
20A
Heating circuit
. . . . . . . . . . . . . . . . . . . . . . . . .
pump
DHW pump
. . . . . . . . . . . . . . . . . . . . . . . . . .
H
L
Line
. . . . . . . . . . . . . . . . . . . . . . . . . . .
H
Ground
. . . . . . . . . . . . . . . . . . . . . . . .
H
N
Neutral
. . . . . . . . . . . . . . . . . . . . . . . . . .
See boiler wiring diagram
on the inside of the
boiler enclosure panel.
5285
960
v1
.2
IMPORTANT
Summary of Contents for Vitodens 200 WB2 11-44
Page 51: ...51 5285 960 v1 2...
