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The cardboard must be removed before installation of piping work.
12.3.3 Evacuation of the Equipment
WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND
PIPES in the following procedure.
1 Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-way
valve.
o
Be sure to connect the end of the charging hose with the push pin to the service port.
2 Connect the center hose of the charging set to a vacuum pump.
3 Turn on the power switch of the vacuum pump and make sure that the needle in the gauge moves from
0 cmHg (0 MPa) to -76 cmHg (-0.1 MPa). Then evacuate the air approximately ten minutes.
4 Close the Low side valve of the charging set and turn off the vacuum pump. Make sure that the needle in the
gauge does not move after approximately five minutes.
Note: BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERENT GAS LEAKAGE.
5 Disconnect the charging hose from the vacuum pump and from the service port of the 3-way valve.
6 Tighten the service port caps of the 3-way valve at a torque of 18 N•m with a torque wrench.
7 Remove the valve caps of both of the 2-way valve and 3-way valve. Position both of the valves to “OPEN”
using a hexagonal wrench (4 mm).
8 Mount valve caps onto the 2-way valve and the 3-way valve.
o
Be sure to check for gas leakage.
If gauge needle does not move from 0 cmHg (0 MPa) to -76 cmHg (-0.1 MPa), in the step
above take the following measure:
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If the leak stops when the piping connections are tightened further, continue working from step
.
-
If the leak does not stop when the connections are retightened, repair location of leak.
-
Do not release refrigerant during piping work for installation and reinstallation.
-
Take care of the liquid refrigerant, it may cause frostbite.
12.3.4 Connect the cable to the Outdoor Unit
1 Remove the control board cover from the unit by loosening the screw.
2 Cable connection to the power supply through Isolating Devices (Disconnecting means).
o
Connect approved type polychloroprene sheathed
power supply cord
3 x 4.0 mm
2
(3.0HP) type
designation 245 IEC 57 or heavier cord to the terminal board, and connect the others end of the cord to
Isolating Devices (Disconnecting means).
Summary of Contents for CS-E12PKR
Page 30: ...30 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...
Page 31: ...31 5 Dimensions 5 1 Indoor Unit 5 1 1 CS E7PKR CS E9PKR CS E12PKR CS E15PKR ...
Page 32: ...32 5 1 2 CS E18PKR CS E21PKR CS E24PKR CS E28PKR ...
Page 34: ...34 5 2 3 CU E28PKR ...
Page 35: ...35 6 Refrigeration Cycle Diagram 6 1 CU E7PKR ...
Page 36: ...36 6 2 CU E9PKR CU E12PKR ...
Page 37: ...37 6 3 CU E15PKR CU E18PKR ...
Page 38: ...38 6 4 CU E21PKR CU E24PKR ...
Page 39: ...39 6 5 CU E28PKR ...
Page 40: ...40 7 Block Diagram 7 1 CU E7PKR CU E9PKR CU E12PKR INDOOR UNIT OUTDOOR UNIT ...
Page 41: ...41 7 2 CU E15PKR CU E18PKR INDOOR UNIT OUTDOOR UNIT ...
Page 42: ...42 7 3 CU E21PKR INDOOR UNIT OUTDOOR UNIT ...
Page 43: ...43 7 4 CU E24PKR INDOOR UNIT OUTDOOR UNIT ...
Page 44: ...44 7 5 CU E28PKR ...
Page 53: ...53 9 1 2 CS E28PKR ...
Page 58: ...58 9 2 5 CU E28PKR ...
Page 61: ...61 10 1 5 Human Activity Sensor Printed Circuit Board ...
Page 62: ...62 10 2 Outdoor Unit 10 2 1 CU E7PKR CU E9PKR CU E12PKR ...
Page 63: ...63 10 2 2 CU E15PKR CU E18PKR CU E21PKR CU E24PKR ...
Page 64: ...64 10 2 3 CU E28PKR ...
Page 65: ...65 10 2 4 Noise Filter Printed Board CU E28PKR 10 2 5 Demand Control Printed Circuit Board ...
Page 111: ...111 16 3 Error Code Table ...
Page 112: ...112 ...
Page 143: ...143 17 1 1 3 To remove discharge grille ...
Page 144: ...144 17 1 1 4 To remove control board 17 1 1 5 To remove cross flow fan and indoor fan motor ...
Page 145: ...145 ...
Page 147: ...147 17 2 1 3 To remove power electronic controller ...
Page 149: ...149 ...
Page 201: ...201 19 2 5 CU E28PKR ...
Page 202: ...202 ...