Danfoss SET 3E User Manual download pdf (Page 11)

Danfoss Heating

3.6 Typical Fully Pumped System with Spring

Return Zone Valve in each Service

Other Danfoss Randall products suitable for use with above circuit:-

AT cylinder thermostat

2 x HP22 or HP28 motorised zone valve with spring return actuator

and SPST auxiliary switch

N L 1 2 3 4 5 6

3 amp fuse

D.H.W. HTG

OFF

Mains

Supply

Programmer

Terminals

S.R.Z.V.

in HTG

Room

Stat

OFF

Boiler

Cyl.

Stat

Links

S.R.Z.V.

in DHW

1 2 ... 6 7 8 9 10 11 12 13 14 15 16

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Danfoss SET 3E User Manual Page 11