Connecting Power Supply - York EKKC-18 DS Installation Instructions Manual

6. Stop pressing as soon as the refrigerant
becomes visible, and reinstall the service
port nut.
7. Open both the gas as well as the liquid
valves completely. (Fig. 16)
8. Tighten valve nuts.
9. Check for possible leaks throughout the
circuit, using liquid soap or a leak detec-
tor.
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Fig. 16
Pumping out the circuit
It is quite advisable to pump out the circuit for
correct operation. This eliminates possible
gas and humidity residues from the circuit.
See Fig. 17.
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Fig. 17
Electrical connection
(1) Read the identification plate carefully.
Carry out connection in accordance with
wiring diagram inside the unit.
(2) Some sort of switch that is capable of
disconnecting the entire unit should be
installed.
(3) Connect the grounding connection.
(4) All wiring should be carried out by
qualified personnel and in accordance
with the wiring diagram. Incorrect wir-
ing could cause a fire hazard or electric
discharges.

Connecting power supply

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(1) Connect the outdoor unit in compliance
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with the wiring diagram.
(2) Fasten the cables with the clips and
straps.
Attention:
(1) Ground firmly.
EKKC-18, 24, 36, 42 DS
ENJC-18, 24, 36, 42 DT
EKKC-48 DS
ENJC-48 DT
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GB
(2) Connect cables firmly.
(3) Do not force connectors.
(4) Power supply connection:
* Cool/heat units - Connect hose to
terminals and ground.
(5) Connect remaining cables accordingly.
- Do not pull cable when fastening with
the clips and straps.
- Do not leave cable too loose in the
outdoor unit.
Cable section EKKC
Power supply 18, 24 DS 36 DS
Outdoor unit mm 2 3 x 2.5
Indoor unit mm
2
Fuse A 16
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Fig. 18
42 DS 48 DS
3 x 4 3 x 6 5 x 2.5
3 x 2.5
25 32 16
19