79
4
Connecting cable between outdoor unit and DRED (Demand response enabling devices) shall be double
insulation layer, polychloroprene sheathed (>50V) with size 4 x (0.5 mm
2
to 2.0 mm
2
) cable or flexible cord,
where the maximum allowable length is 30m.
5
Connect the power supply cord and connecting cable between indoor unit and outdoor unit according to the
diagram below.
6
Secure the power supply cord and connecting cable onto the control board with the holder.
7
Select required direction and apply protective bushing provided in accessories to protect cables from sharp
edges.
8
Once all wiring work has been completed, tie the wires and cords together with the binding strap so that they
do not touch other parts such as the compressor and pipes.
9
Attach the control board cover back to the original position with screw.
10 For wire stripping and connection requirement, refer to instruction 12.2.4 of indoor unit.
WARNING
This equipment must be properly earthed.
Note: Isolating Devices (Disconnecting means) should have minimum 3.0 mm contact gap.
Earth wire shall be Yellow/Green (Y/G) in colour and longer than other AC wires for safety reason.
Always ensure all above connections compliant with national wire rules.
12.3.5 Piping
Insulation
1
Please carry out insulation at pipe connection portion as mentioned in Indoor/Outdoor Unit Installation
Diagram. Please wrap the insulated piping end to prevent water from going inside the piping.
2
If drain hose or connecting piping is in the room (where dew may form), please increase the insulation by
using POLY-E FOAM with thickness 6 mm or above.
Summary of Contents for CS-E12NKR
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 E7NKR CS E9NKR CS E12NKR CS E15NKR ...
Page 32: ...32 5 1 2 CS E18NKR CS E21NKR CS E24NKR CS E28NKR ...
Page 34: ...34 5 2 3 CU E28NKR ...
Page 35: ...35 6 Refrigeration Cycle Diagram 6 1 CU E7NKR ...
Page 36: ...36 6 2 CU E9NKR CU E12NKR ...
Page 37: ...37 6 3 CU E15NKR CU E18NKR ...
Page 38: ...38 6 4 CU E21NKR ...
Page 39: ...39 6 5 CU E24NKR CU E28NKR ...
Page 40: ...40 7 Block Diagram 7 1 CU E7NKR CU E9NKR CU E12NKR ...
Page 41: ...41 7 2 CU E15NKR CU E18NKR CU E21NKR ...
Page 42: ...42 7 3 CU E24NKR ...
Page 43: ...43 7 4 CU E28NKR ...
Page 44: ...44 8 Wiring Connection Diagram 8 1 Indoor Unit ...
Page 45: ...45 8 2 Outdoor Unit 8 2 1 CU E7NKR CU E9NKR CU E12NKR ...
Page 46: ...46 8 2 2 CU E15NKR CU E18NKR ...
Page 47: ...47 8 2 3 CU E21NKR ...
Page 48: ...48 8 2 4 CU E24NKR ...
Page 49: ...49 8 2 5 CU E28NKR ...
Page 50: ...50 9 Electronic Circuit Diagram 9 1 Indoor Unit ...
Page 51: ...51 9 2 Outdoor Unit 9 2 1 CU E7NKR CU E9NKR CU E12NKR ...
Page 52: ...52 9 2 2 CU E15NKR CU E18NKR ...
Page 53: ...53 9 2 3 CU E21NKR ...
Page 54: ...54 9 2 4 CU E24NKR ...
Page 55: ...55 9 2 5 CU E28NKR ...
Page 58: ...58 10 1 6 Human Activity Sensor Printed Circuit Board ...
Page 59: ...59 10 2 Outdoor Unit 10 2 1 CU E7NKR CU E9NKR CU E12NKR ...
Page 60: ...60 10 2 2 CU E15NKR CU E18NKR ...
Page 61: ...61 10 2 3 CU E21NKR CU E24NKR ...
Page 62: ...62 10 2 4 CU E28NKR ...
Page 63: ...63 10 2 5 Noise Filter Printed Board CU E21NKR ...
Page 108: ...108 16 3 Error Code Table ...
Page 109: ...109 ...
Page 140: ...140 17 1 1 3 To remove discharge grille ...
Page 141: ...141 17 1 1 4 To remove control board 17 1 1 5 To remove cross flow fan and indoor fan motor ...
Page 142: ...142 ...
Page 144: ...144 17 2 1 3 To remove power electronic controller ...
Page 146: ...146 ...
Page 201: ...201 19 2 5 CU E28NKR ...
Page 202: ...202 ...