Heat Controller DMH24DB-1 - Manual (Page 21)

Service Manual 21
Flaring Work and Connection of Piping
1. Route the indoor tubing and the drain hose to the required
piping hole position.
2. Insert the piping, drain hose, and the connecting cable into
the piping hole.
3. Insert the connecting cable into the indoor unit.
• Don't connect the cable to the indoor unit.
• Make a small loop with the cable for easy connection
later.
4. Tape the drain hose and the connecting cables.
5. Indoor unit installation
• Hang the indoor unit from the hooks at the top of the
installation plate.
• Insert the spacer etc. between the indoor unit and the
installation plate and separate the bottom of the indoor
unit from the wall.
Connecting the piping to the indoor unit and the drain
hose to drain pipe.
1. Align the center of the pipes and sufficiently tighten the
flare nut by hand.
2. Tighten the flare nut with a wrench.
3. When extending the drain hose at the indoor unit, install
the drain pipe.
For left rear piping
Drain pipe
Connecting
cable
1 2
Installation plate
Spacer
Indoor unit
8cm
Indoor unit tubing Flare nut Pipes
Wrench
Indoor unit tubing
Connection pipe
Flare nut
Open-end wrench (fixed)
Vinyl tape
Adhesive
Drain hose
Indoor unit drain hose
(narrow)
mm inch kg.m lbf.in
Ш6.35 1/4 1.8 156.2
Ш9.52 3/8 4.2 364.5
Outside diameter Torque