6
Alpha CombiMax Secondary Circulation
4.5
CONNECT THE MAINS SUPPLY - Fig. 4
Connect the electrical mains supply to the CombiMax and boiler as described in the CombiMax Installation instructions. Also
refer to Fig. 4.
Ensure that all cables are secured with the clamping bushes supplied.
5
COMMISSIONING
Commission the boiler and CombiMax as described in the instructions supplied with both appliances.
Ensure that all the air has been cleared from the domestic hot water pipework by opening all the hot water taps after the
CombiMax store has been fully recharged to its maximum temperature.
The time to reheat the complete system, i.e. the CombiMax store plus the secondary circulation loop, will depend on the length
of the secondary circulation loop.
Fig. 3b - CombiMax 600
Note: Disconnect the filling loop after filling
the central heating system.
A - Heating flow (22 mm)
B - Secondary circulation loop (15 mm)
C - Gas inlet (22 mm)
D - Cold water mains inlet (15 mm)
E - Heating return (22 mm)
F - Heating pressure relief valve (15 mm)
G - Temperature/pressure expansion relief
discharge pipe
H - Drain point for DHW storage
Note: Both Heating return and Cold water
mains inlet valves contain serviceable filters.
Fig. 4 - CombiMax terminal block
