Danfoss FHM-CN Installation guide

Installation Guide

FHM-CN Mixing Shunt

1	Installation Overview

Manifold at right side of mixing shunt		Manifold at left side of mixing shunt
2	System Overview

The FHM-CN Mixing Shunt consists of 7 components:

1.Flow parts

2.2 Thermometers

3.Diplaced connection part to manifold

4.Connection part to manifold

5.RA-C Connection nipple nut, 2 sets RA-C

6.Return parts

7.4 gaskets

		1
	7	3
		2
		7
6		4

5

Danfoss Heating Solutions	VIIKA102

Installation Guide		FHM-CN Mixing Shunt
3	Installation Procedure

The FHM-CN with components must be assembled according to the illustrations.

1.Pump

2.RA-C Valve

3.FTC Floor Heating Sensor

4.Automatic Bypass Control AVDO

1	Flow of
	secondary side
	4
	Return of
Flow of	secondary side
primary side
	2
3

Return of primary side

Fig. 1: RA-C Return of Primary Side Install

Choose installation type dependent on space conditions.

Tightening torque is 30 to 40 Nm.

Note! Identify the arrow on the pump and valve body AVDO&RA-C, with the flow direction.

1	Flow of
	secondary side

4

Return of

secondary side

Return of primary side

2

3

Flow of

primary side

Fig. 2: RA-C Flow of Primary Side Install Vertically

		VIIKA102	Danfoss Heating Solutions