installation manual

I

NSTALLATION OF THE INDOOR UNIT

Selecting an installation location

The unit is to be wall mounted in an indoor location that meets the following requirements:

■

The installation location is frost-free.

■

The space around the unit is adequate for servicing.

(See figure 2)

.

■

The space around the unit allows for sufficient air circulation.

■

There is a provision for condensate drain (only for EKHBX models with drain pan kit EKHBDP) and pressure relief valve blow-off.

■

The installation surface is a flat and vertical non-combustible wall, capable of supporting the operation weight of the unit (see

"Technical specifications" on page 26

).

■

There is no danger of fire due to leakage of inflammable gas.

■

All piping lengths and distances have been taken into consideration.

Requirement

Maximum allowable refrigerant piping length between outdoor unit and indoor unit

Minimum required refrigerant piping length between outdoor unit and indoor unit

Maximum allowable height difference between outdoor unit and indoor unit

Maximum allowable distance between the 3-way valve and the indoor unit (only for installations with domestic hot water tank).

Maximum allowable distance between the domestic hot water tank and the indoor unit (only for installations with domestic hot water tank). The thermistor cable supplied with the domestic hot water tank is 12 m in length.

Value

30 m

3 m

20 m

3 m

10 m

■

The equipment is not intended for use in a potentially explosive atmosphere.

NOTE

If the installation is equipped with a domestic hot water tank (optional), please refer to the domestic hot water tank installation manual.

Dimensions and service space

Unit of measurement: mm

Dimensions of the wall bracket

10

163

10

163

10

Inspecting, handling and unpacking the unit

■

The indoor unit is packed in a cardboard box, fixed by straps on a wooden pallet.

■

At delivery, the unit must be checked and any damage must be reported immediately to the carrier claims agent.

■

Check if all indoor unit accessories (see

"Accessories" on page 3

) are enclosed.

■

Bring the unit as close as possible to its final installation position in its original package in order to prevent damage during transport.

■

The indoor unit weighs approximately 50 kg and should be lifted by two persons using the two lifting bars provided.

Do not grasp the switch box or piping to lift the unit! Two lifting bars are provided to lift the unit.

Dimensions of the unit, see

figure 3

3

4

5

1

2

Flexible drain hose

Water outlet connection

Water inlet connection

Refrigerant liquid connection

Refrigerant gas connection

Required service space, see

figure 2

.

Installation manual

8

EKHBH/XE008AA3V3

Indoor unit for air to water heat pump system

4PW48441-1B