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4
CONNECT THE CABLE TO THE OUTDOOR UNIT
1. Remove the electrical control board cover from the outdoor unit by loosening the screw.
2. Connect the connective cables to the terminals as identified with their respective matched numbers
on the terminal block of indoor and outdoor units.
3. Secure the cable onto the control board with the cord clamp.
4. To prevent the ingress of water, form a loop of the connective cable as illustrated in the installation
diagram of indoor and outdoor units.
5. Insulate unused cords (conductors) with PVC-tape. Process them so they do not touch any electrical
or metal parts.
Cover
5
AIR PURGING AND TEST OPERATION
Connective pipe length will affect the capacity and energy efficiency of the unit. The
NOTE:
nominal efficiency is tested basing on the pipe length of 5 meters.
.
1. Air purging
.
The indoor unit and tubing between the indoor and outdoor unit must be leak tested and evacuated
to remove any noncondensables and moisture from the system.
.
Check that each tube(both liquid and gas side tubes) between the indoor and outdoor units have
been properly connected and all wiring for the test run has been completed.
Pipe length and refrigerant amount:
The unit comes preloaded for liquid pipe lengths less than 5 m.
Dimensions, pipes lenght and additional refrigerant charge:
Pipe
Model
Líquid
1/4"
09
1/4"
12
18
1/4"
.
24
3/8"
.
For the R410A refrigerant model, make sure the refrigerant added into air conditioner is liquid
form in any cases.
When relocating the unit to another place, using vacuum pump to perform evacuation.
.
CAUTION
.
Open the valve stem until it hits against
the stopper. Do not try to open it further.
Securely tighten the valve stem cap with
a spanner or the like.
OUTDOOR UNIT INSTALLATION
Te rm inal board
Indoor Unit
Grou nde d w ire
Electric bracket
Outdoor Unit
Max. Pipe
Gas
Lenght
3/8"
20 m
3/8"
20 m
1/2"
25 m
5/8"
25 m
Electric bracket
Pre s sing b oa rd
Max. Drop
Preload
Height
10 m
5 m
10 m
5 m
15 m
5 m
15 m
5 m
Refrigerant
Indoor
Outdoor
unit
unit
A
Gas side
C
Liquid side
D
B
Packed valve
Flare nut
54
Te rmin al boa rd
Pre ssing b oa rd
Additional Charge
R410a = (Total Lenght - 5 )* X
X = 20 gr/m
X = 25 gr/m
X = 30 gr/m
X = 40 gr/m
Flare nut
Stopper
Cap
Valve body
Valve stem
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