Electrical connections
10
Vitotronic Connections
5
3
0
3
2
6
9
v
1
.3
Vitotronic boiler control (view from rear)
Power Pump Module (wall-mounted)
Connections for plug-in equipment
Connections for “hard-wired” equipment
1.
Ensure that main power supply to the
Power Pump Module contains overcurrent
protection with a maximum rating of 15 A.
“L” and “N”
L: LINE
N: Neutral
G: Ground
This equipment must be grounded.
Ensure that the following wires are not
interchanged:
WARNING
120 VAC, 60 Hz, 1 Ph
Power supply
Provide 15 A overcurrent
protection and disconnect
means
Circulating
pump
for
domestic hot water tank
120 VAC, 1 Ph, 3 A max.
Circulating
pump
for
domestic
hot
water
recirculation
120 VAC, 1 Ph, 3 A max.
Alarm indicator
5
Circulating pump
Heating circuit without
mixing valve
120 VAC, 1 Ph, 3 A max.
5
50
156
50
Pump
Space Htg.
Alarm
Output
120 VAC
Summary of Contents for Vitotronic 300 KW3
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