Install The Indoor Unit - Friedrich MR09C1H Installation And Operation Manual

Install indoor unit
NOTE:
When connecting the electric wire if the wire length is not enough, please contact with
the authorized service shop to buy a exclusive electric wire that is long enough and the
joint on the wire are not allowed.
The electric wiring must be correctly connected, wrong connection may cause spare parts
●
malfunction.
Tighten the terminal screw in order to prevent loose.
●
After tighten the screw, slight pull the wire and confirm whether is it firm or not.
●
If the earth wire is wrong connection, that may cause electric shock.
●
The cover plate must be fixed, and tighten the connection wire, if it is poor installed, that
●
the dust, moisture may enter in or the connection terminal will be affected by outside force,
and will cause fire or electric shock.
The piping can be lead out from right, right rear, left
●
left rear.
1. When routing the piping and wiring from the left
or right side of indoor unit, cut off the tailings
from the chassis in necessary(Show in Fig.7)
Cut off the tailings 1 when routing the wiring only;
⑴
Cut off the tailings 1 and tailings 2 when routing
⑵
both the wiring and piping.
2.
Take out the piping from body case, wrap the piping
electric wire, water pipe with tape and pull them
through the piping hole (As show in Fig.8)
3.
Hange the mounting slots of the indoor unit on the
upper tabs of the rear panel and check if it is firm
enough.(As show in Fig.9)
4.
The height of the installed location should be
or more from the floor.
5.
The water drainage pipe can also be installed on the left of
the indoor-uint.
1. Align the center of the piping flare with the relevant valve.
Screw in the flare nut by hand and then tighten the
2.
nut with spanner and torque wrench refer to the
following:
Hex nut diameter
Ф6
Ф 9.52
Ф 12
Ф 16
Ф 19
Note: First connect pipe to indoor unit, then to outdoor unit. Pay attention not to bending
piping as this may cause damage. Do not overtighten joint nut as this may cause
leakage.

Install the indoor unit

Install the connection pipe
(lb . ft)
Tightening torque
11~14.7
22.8~25.8
36.9~40.6
44.3~47.9
51.6~55.3
20
Tailing 2
Tailing 1
Fig.7
右后
Right
Right rear
Fixing hook
8 ft
Indoor unit piping
Spanner
External connection
Gas side pipe
electric wire
Liquid side piping
Gas side piping
Liquid side
insulation
Piping insulation
Finally wrap it
Water drainage pipe
with tape
Left
Left rear
Fig.8
Mounting
baord
Mounting
plate
Fig.9
Taper nut
Piping
Torque
wrench