Toyotomi GAN-A28IVL User Manual page 27

Installation of Indoor Unit
Installation of Indoor Unit
The piping can be output from right, right rear, left
or left rear.
1. When routing the piping and wiring from the
left or right side of indoor unit, cut off the tail-
ings from the chassis when necessary (As shown
in Fig.7)
1. Cut off the tailing 1 when routing the wir-
ing only;
2. Cut off the tailing 1 and tailing 2 when
routing both the wiring and piping.
2. Take out the piping from body case; wrap the
piping, power cords, drain hose with the tape
and then make them pass through the piping
hole. (As shown in Fig.8)
3. Hang the mounting slots of the indoor unit on
the upper hooks of the mounting plate and
check if it is fi rm enough. (As shown in Fig.9)
4. The installation site should be 250cm or more
above the fl oor.
Installation of Connection Pipe
1. Align the center of the piping fl are with the re-
lated valve.
2. Screw in the fl are nut by hand and then tighten
the nut with spanner and torque wrench by re-
ferring to the following:
Hex nut diameter
Ф 6
Ф 9.52
Ф 12
Ф 16
Ф 19
NOTE: Connect the connection pipe to indoor unit at fi rst and then to outdoor unit. Handle
piping bending with care. Do not damage the connection pipe. Ensure that the joint nut is tight-
ened fi rmly, otherwise, it may cause leakage.
Tightening torque (N•m)
15~20
30~40
45~55
60~65
70~75
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Gas side pipe
Tailing 2
Gas side piping
Tailing 1
insulation
Finally wrap it
Fig. 7 with tape
右后
Right
Right rear
Fixing hook
Mounting
plate
Fig. 9
Indoor unit piping
Taper nut Piping
Spanner
External connection
electric wire
Liquid side piping
Liquid side
Piping insulation
Water drainage pipe
Left
Left rear
Fig. 8
Mounting
plate
Torque
wrench
GB