Danfoss FP735Si Guide d'installation télécharger pdf (Page 19)

Danfoss Heating

16 1

1 2 4

L 3N

COM CALL N

Room Thermostat - Zone 2

RET B

RMT230

RET230

5 N 67

Brown Blue Orange Grey

Out In

HP22 2 Port Valve (Heating Zone 2)

8 N 67

Brown Blue Orange Grey

Out In

HP22 2 Port Valve (Hot Water)

Aux. Sw.

Motor

L N

Motor

L N

Room Thermostat - Zone 1

13N

L N

Pump *

ATC

321

14 15

The above wiring diagram refers to a 3 Zone system using 3x2 port valves to control  ow to each heating zone

and the hot water. For systems using 3 port valves or a combination of 2 and 3 port valves please consult your

local Danfoss contact.

* Refer to boiler wiring information for boilers with pump overrun

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Danfoss FP735Si Guide d'installation Page 19