Daikin E2MV307A6 [3/8] Installation manual

Installation manual

3

E2MV307-10A6

Motorised ON/OFF valve kit

4PW24352-1

The 3-way valve kit, ON/OFF motorization, connected to the control panels of ECFWERA6, permits to set the room temperature by cutting off the

water fl ow by means of the heat exchanger.

The kit is available for all FWB unit models for the supplemental EAH--A6 heat exchanger.

As far as the coupling with the ECFWERA6 control is concerned, position the temperature probe into the appropriate trap.

Hydraulic kit for the installation of the valve on the heat exchanger.

The fl ow resistance of the connecting valve/hydraulic kit assembly is obtained from the following formula:

ΔP

W

= (Q

W

/ K

where

ΔP

Q

B= water inlet from circuit

C= water returning to circuit

D= heat exchanger water inlet

2. The 3-way valve kit, ON/OFF motorization, is to be installed before powering on the unit.

WARNING:

Each unit requires a switch (IL) on the feeder line with a distance of at least 3 mm between the opening contacts, and a suitable safety fuse (F).

The installer is in charge of carrying out the hatched connections.

3. Install the hydraulic unions as indicated in the diagrams of fi gures 2-5 that show the following:

Figure 2: Assembly of kit E2MV307A6 - water connections on the left

Figure 3: Assembly of kit E2MV310A6 - water connections on the left

Installation manual

Motorised ON/OFF valve kit

E2MV307A6

E2MV310A6