Danfoss AMV 410 Manual de instalación - Página 5

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Installation Guide

ENGLISH

Safety Notes

Prior to assembly and commissioning

to avoid injury of persons and damages

of the devices, it is absolutely necessary

to carefully read and observe these

instructions.

Necessary assembly, start-up, and

maintenance work must be performed

only by qualified, trained and authorized

personnel.

Prior to assembly and maintenance work

on the controller, the system must be:

- depressurized,

- cooled down,

- emptied and

- cleaned.

Please comply with the instructions of the

system manufacturer or system operator.

Definition of Application

The electrical actuator is used in

connection with the following valves:

VFG 2(21), VFG 25, VFU 2, VFGS 2, AFQM

and AFQM 6.

Fields of application are the temperature

control of water, water-glycol mixtures

and steam for heating, district heating and

cooling systems.

Safety Return Function and

Effective Direction

Safety function and effective direction of

stem: valid only for AMV 413.

Mounting

Permissible Installation Positions

Valve Installation

1. Install strainer in front of valve.

2. Rinse system before installing valve.



3. Observe flow direction

body.



Flanges

in the pipeline system must be

in parallel direction, the sealing surfaces

must be clean and undamaged.

4. Install valve.

Actuator and Valve Installation

Danfoss Heating

AMV 410, AMV 413

The actuator must only be mounted with

the stem retracted

Stroke indicator

On delivery the stem is retracted with a

screwed-in mounting screw

If this is not the case, then:

1. Carry out the electrical connection, see

next section.

2. Press push-button

retract the stem

3. Screw in mounting screw

stop.

4. Place actuator on the valve and align.

5. Tighten union nut

It is absolutely necessary to unscrew

the mounting screw

actuator is out of function.

7. If the actuator is installed in a downward

hanging position

Insulation

Dimensions

Flanges: connection dimensions acc. to

EN 1092-2, seal form C.

Electrical Connection

HIGH VOLTAGE !

Danger of injury and life in case of

improper handling.

Switch off power supply prior to

connecting lines.

The electrical connection must only be

performed by an expert electrician.

on the valve

Procedure

1. Unscrew cap nut

2. Connect lines in accordance with

connection diagram.

3. Prior to remounting the cover, carry out

settings at the actuator, see part

Electrical Connection Diagram

Connection for:

STB - Safety Temperature Limiter

STW - Safety Temperature Monitor

SDB - Safety Pressure Limiter





must be in position





and completely





up to its



torque 100 Nm.



, otherwise, the





, remove label





and remove cover

VI.AA.U4.7S

Prior to connection, it is absolutely necessary

to remove the jumper (terminals 4-7).

Only types AMV 413 with safety return

function.

Mechanical Stroke Setting

The stroke of the electrical actuator must

be adjusted to the valve stroke.

1. Unscrew the mounting screw



2. Press push-button

until the valve



is completely closed (VFU 2

completely open) and the direction



indicator

stops.

Observe stroke indicator, it must move to



position



3. Turn the screw

until the cam

with line of the selected stroke

aligned with the actuator of the end

switch.

Note:

Select the valve stroke from the table below.

Type

DN 15 20 25 32 40 50 65 80

VFG 2

VFG 21

VFG 25

AFQM

AFQM 6

VFU 2

Note:

Only special actuator types are equipped

with end switches, see rating plate.

The adjustment of the end switches must

be done after the stroke has been set.

a. Unscrew the »Allen key« screw

b. Adjust the stroke of the electrical

actuator regarding to chapter:

"Mechanical stroke setting"

Adjusting the Additional

End Switch



1. Press push-button