Connecting Of The Cable - Hitachi RAK-AJ10PCASM Installation & Operation Manual

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Pipe Joints Thermal Insulation:
Wrap the pipes joints with thermal insulation
materials and then wrap with a vinyl tape.
Thermal insulation
Pipes Thermal Insulation:
a. Place the drain hose under the pipes.
b. Insulation material uses polythene
foam over 6mm in thickness.
Note: Drain hose is prepared by user.
Drain pipe should point downward
for easy drain flow. Do not arrange
the drain pipe twisted, sticking out
or wave around, do not immerse
the end of it in water.
If an extension drain hose is connected to the drain
pipe, make sure to thermal insulated when passing
along the indoor unit.
When the pipes is directed to the right, pipes, power
Cord and drain pipe should be thermal insulated and
fixed onto the back of the unit with a pipe fixer.
Base
Base
Pipe fixer
A. Insert the pipe fixer to the slot. B. Press to hook the pipe fixer
Piping Connection:
a.Before unscrewing the big and the
small sealing caps, press the small
sealing cap with the finger until the
exhaust noise stops, and then
loosen the finger.
b.Connect indoor unit pipes with
two wrenches. Pay special attention
to the allowed torque as shown
below to prevent the pipes,
connectorsand flare nuts from being
deformed and damaged.
c. Pre-tighten them with fingers at
first, then use the wrenches.
If you don't hear the exhaust noise,
please contact with the merchant.
For Inverter appliance
Pipe size
Model
φ6mm or
5k~12K,13k~18K,21
~24
K
Liquid Side (
φ9.53mm or
#
18K , 21K~36K
Liquid Side (
φ9.53mm or
Gas Side (
5K~13K
φ12mm or 1/2
#
Gas Side (
12K , 13K~18K
φ16mm or
#
18K , 21K~36K
Gas Side (
#
36K
φ19mm or
Gas Side (
#
#
Note: The unit of 12K ,18K and 36K is bigger than the unit of 12K,
.
18K and 36K
Note: Piping connection should be conducted on outdoor
side !
wrapped with vinyl type
Thermal insulation tube
Large pipe
Power cord
(just a schematic)
Drain hose
(prepared by user)
Insert here
large
pipe
drain
drain
small
hose
pipe
hose
Pipe fixer
Base
onto the base.
Torque Nut width Min.thickness
1/4 inch)
17mm
15~20N·m
3/8 inch)
22mm
30~35N·m
3/8 inch)
30~35N·m
22mm
inch)
50~55N·m
24mm
5/8 inch)
27mm
60~65N·m
3/4 inch)
32mm
70~75N·m
#
For ON-OFF appliance
Model
5 12K,13 18K,21 24K
~
~
#
#
18K ,22,24K ,28,30,36K
5 ~ 10K,12K
#
12 ,14,15,18K
K
#
18K ,22,24,28,30,36K
#
36K
Note: The unit of 12K ,18K ,24K ,36K is bigger than the unit of
12K,18K,24K,36K.

4. Connecting of the Cable

Indoor Unit
Connect the power cord to the indoor unit by
connecting the wires to the terminals on the control
board individuallyin accordance with the outdoor
unit connection.
Note: For some models, it is necessary to remove the
cabinet to connect to the indoor unit terminal.
Outdoor Unit
Small
pipe
1) Remove the access door from the unit by
loosening the screw. Connect the wires to the
terminals on the control board individually as
follows.
2) Secure the power cord onto the control
.
with cable clamp.
3) Reinstall the access door to the original position
with the screw.
4) Use a recognized circuit breaker for 24K model
large
between the power source and the unit. A
pipe
disconnecting device to adequately disconnect all
small
pipe
supply lines must be fitted.
Hook here
Indoor unit
Outdoor unit
The figures in this manual are based on the external
view of a standard model. Consequently, the shape
may differ from that of the air conditioner you have
selected.
0.5mm
0.6mm
Caution:
0.6mm
1. Never fail to have an individual power circuit specifically
0.6mm
for the air conditioner. As for the method of wiring, refer to
0.6mm
the circuit diagram posted on the inside of the access door.
1.0mm
2. Comfirm that the cable thickness is as specified in the
power source specification.
3. Check the wires and make sure that they are all tightly
fastened after cable connection.
4. Be sure to install an earth leakage circuit breaker in wet or
moist areas.
15
Pipe size
φ6mm or
~
Liquid Side (
1/4 inch)
φ9.53mm or
Liquid Side (
3/8 inch)
φ9.53mm or
Gas Side (
3/8 inch)
φ12mm or 1/2
Gas Side (
inch)
φ16mm or
Gas Side (
5/8 inch)
φ19mm or
Gas Side (
3/4 inch)
#
#
#
#
Front panel
Terminal (inside)
Chassis
Torque Nut width Min.thickness
17mm
0.5mm
15~20N·m
0.6mm
22mm
30~35N·m
0.6mm
22mm
30~35N·m
0.6mm
50~55N·m
24mm
27mm
0.6mm
60~65N·m
70~75N·m
32mm
1.0mm
board
Cabinet
Access door
Terminal(inside)

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