1Installation Instructions

Outdoor Unit Installation

1.Install Drain Port and Drain Hose (for heat-pump model only)

The condensate drains from the outdoor unit when the unit operates

 

in heating mode. In order to protect the environment, install a drain

 

port and a drain hose to direct the condensate water. Just install the

 

drain port and rubber washer to the chassis of the outdoor unit, then

 

connect a drain hose to the port as the right figure shown.

Washer

Drain port

Drain hose

 

(prepare by user)

2.Install and Fix Outdoor Unit

Fix with bolts and nuts tightly on a flat and strong floor.

If installed on the wall or roof, make sure to fix the supporter well to prevent it from shaking due to serious vibration or strong wind.

3.Outdoor Unit Piping Connection

Remove the valve caps from the 2-way and 3-way valve.

Connect the pipes to the 2-way and 3-way valves separately according to the required torque.

4. Outdoor Unit Cable Connection (see previous page)

Air Purging

The air which contains moisture remaining in the refrigeration cycle may cause a malfunction on the compressor. After connecting the indoor and outdoor units, evacuate air and moisture from refrigerant cycle using a vacuum pump, as shown below.

Vacuum pump

Service port

Indoor unit

Refrigerant flow direction

3-way valve

(7) Turn to fully open the valve

(1) Turn

2-way valve

(6) Open 1/4 turn

(7) Turn to fully open the valve valve cap

(1) Turn

(8) Tighten

3-way valve diagram

connect to indoor unit

open position spindle

(2)Turn

(8)Tighten

Valve cap

(8) Tighten

needle

 

Connect to outdoor unit

service port cap

 

Valve core

Note: To protect the environment, be sure not to discharge the refrigerant to the air directly.

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Soleus Air KFTHP-24-ID, KFTHP-18-OD, KFTHP-12-OD, KFTHP-12-ID, KFTHP-18-ID, KFTHP-24-OD, 3119233 manual Vacuum pump

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