Connection Of The Pumps (Cm2 Only) - Viessmann VITOTRONIC 100 GC1 Installation And Service Instructions Manual

Connection of the Pumps (CM2 only)

Available pump connections
sÖ
A1/M1Heating circuit high
temperature (without mixing valve)
Terminals 7 - L, - G , - N
sA
Circulation pump for heating
up the domestic hot water tank -
Terminals 6 - L, - G , - N
sL
Shunt pump, boiler circuit pump
Terminals 8 - L, - G, - N.
Install pumps: see
manufacturer's
instructions.
120 VAC pumps
Note:
The maximum power consumption
of all pumps is 4A .
Rated current: max. 2 FLA
Recommended connection
cable: AWG 14
Use contactor for pumps with higher
current rating
Connect the 3-wire cable from the
pump to the corresponding terminals.
Installation
240 VAC or 3 PH pumps
Please note:
Use contactor and/or motor starter
to power pump.
For activating the contactor:
Rated current: max. 2 FLA
Recommended connection
wire size: AWG 14
Please ensure that all connections
and wire sizes comply with local and
national codes.
1.Select the contactor and the
connecting wire in accordance
with the rating of the pump that
is to be connected.
2.Connect pump and power supply
to the contactor.
3.Connect contactor coil to the
corresponding terminals.
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