Friedrich FSHSW18A3A User Manual

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54 PB

INSTALLATION

Installation of Indoor Unit

Connect the Pipe of the Indoor Unit

1. Aim the pipe joint at the corresponding bellmouth.(As show in Fig.5)

2. Pretightening the union nut with hand.

3. Adjust the torque force by referring to Figure 22a. Place the open‑end wrench on the pipe joint and place the

torque wrench on the union nut. Tighten the union nut with torque wrench.(As show in Fig.6)

4. Wrap the indoor pipe and joint of connection pipe with insulating pipe, and then wrap it with tape.(As show in Fig.7)

Insulating pipe

Torque wrench

Open-end

wrench

Indoor pipe

Pipe

Union nut

Pipe joint Union nut

Pipe

Refer to the following table for wrench moment of force

Fig.5 Fig.6

Fig.7

Hex nut diameter(inch) Tightening torque(ft∙Ibf)

Φ1/4 11~14.7

Φ3/8 22.8~29.5

Φ1/2 33.2~40.6

Φ5/8 44.3~47.9

Φ3/4 51.6~55.3

Install Drain Hose

1. Connect the drain hose to the outlet pipe of indoor unit.(As show in Fig.8)

2. Bind the joint with tape.(As show in Fig.9)

Note:

1. Add insulating pipe in the indoor drain hose in order to prevent condensation. (As show in Fig.10)

2. The plastic expansion particles are not provided.

Drain hose

Insulating pipe

Fig.10

Outlet

pipe

Drain hose

Tape

Outlet pipe

Fig.8

Fig.9

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Friedrich FSHSW18A3A Single Zone WallMounted Indoor Unit wit