Power Supply Connection - Viessmann Vitodens 200 WB2 11-44 Installation Instructions Manual

Power/Pump Module Installation

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.
Technical data
Pump connections
(continued)
2. Connect 120 VAC power supply to
receptacle through low water cut-off
safety device, if so required by
authorities having jurisdiction.
IMPORTANT
Viessmann recommends the installation
of a disconnect switch to the 120 VAC
power supply outside the boiler room.
Power supply
Rated voltage: 120 VAC, 1 PH
H
. . . . . . . . . . .
Rated frequency:
H
. . . . . . . . . . . . . . . . . . . . . . . . . .
Rated current:
H
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Connections
3. Plug power/pump module cord into
installed receptacle.
See boiler wiring diagram on
the inside of the boiler
enclosure panel.
Pump outputs
Rated voltage:
H
60 Hz
Rated frequency:
H
12 A Rated current:
H
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
in the power/pump module.
. . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . .
20A
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . .
L
H
. . . . . . . . . . . . . . . . . . . . . . . . . . .
H
. . . . . . . . . . . . . . . . . . . . . . . .
N
H
. . . . . . . . . . . . . . . . . . . . . . . . . .
See boiler wiring diagram
on the inside of the
boiler enclosure panel.
120 VAC, 1 PH
. . . . . . . . . . .
60 Hz
. . . . . . . . . . . . . . . . . . . . . . . . .
10 A total
. . . . . . . . . . . . . . . . . . . . . . .
, ,
20A
DHW recirculation
boiler pump with
(low-loss header
only)
Heating circuit
pump
DHW pump
Line
Ground
Neutral
43