De Dietrich Oertli ML 52 Notice De Montage Et D'utilisation page 16

3 Product description
The module is a preassembled fitting groups for hydronic heating closed-loop systems.
The pump can be isolated by means of the ball valves and can thus be maintained without draining
of the system.
3.1 Equipment
1 Bypass (to the boiler flow)
2 Return tank
3 Return boiler
A Ball valve, flow
B Ball valve, return
C Thermal control valve with automatic bypass
D Heating pump
E Ball valve, return
B-6 99961255DeD01-mub-ml – V01
3 Product description
2014/08