Purge and leak test
1. Join the gas and liquid lines with their
corresponding valve.
2. Tighten nuts correctly.
3. Remove the protection nuts in the
outdoor unit from the liquid and gas lines
and the service valve.
4. Release the liquid valve with a hexagonal
wrench.
5. Push the pressure check valve by
pressing in the centre.
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
detector.
GAS
LIQUID
VALVE
VALVE
PRESSURE
THREAD
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.
PRESSURE GAUGE
NUT
LIQUID
GAS
PIPE
PIPE
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 wiring
could cause a fire hazard or electric
discharges.
Connecting power supply
(1) Remove the front cover. (Fig. 18)
(2) Enable cable intake and protect it with a
rubber protection.
(3) Insert all cables through this protection.
(4) Connect the outdoor unit in compliance
with the wiring diagram.
(5) Fasten the cables with the clips and
SERVICE
VALVE
straps.
VACUUM
PUMP
FRONT
COVER
Fig. 18
GB
by johnson controls
Attention:
(1) Ground firmly.
(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
Sizes
12
18
24
Power supply mm
3 x 2,5
3 x 4
2
Interconnection
2 x 0,25
(ind./out.)
Fuse
A
13
20
25
(D Curve)
ELECTRICAL
CONNECTION
SIDE
COVER
STRAPS
CABLE
INTAKE
CABLES
36, 42 (1ph) /
30
36, 42 (3ph)
3 x 6 (1ph) /
3 x 6
5 x 6 (3ph)
16
20
20
19