Viessmann Vitocal 300-G Installation And Service Instructions Manual page 74

Installation sequence
Positioning of all terminals
Instantaneous heating water
heater (accessory) installation
instructions.
Control module for the instanta-
neous heating water heater
74
(cont.)
1. Fit control module D above aper-
ture for the instantaneous heating
water heater B with 2 screws on
mounting plate A.
2. On the back of mounting plate A
push cable with plug aCH of the
control module D into plug aCH in
the cable harness.
3. Connect cable C of 7-PIN plug
aCJ of instantaneous heating
water heater B to control
module D.
4. Connect power supply E 3/N/
PE 400V/50Hz to control module
(see page 96).
Note
Match the cable cross-section and
fuse to the max. output of 9 kW.
Recommendation: 5 x 2.5 mm
fuse 3 x 16 A
2
with