Danfoss FP735Si Installation Guide

Danfoss Heating
19
GB
16 1
32 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. 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

Danfoss FP735Si Specifications

General

Brand	Danfoss
Model	FP735Si
Category	Temperature Controller
Language	English