Service manual


GB
CONNECT THE INDOOR TO THE OUTDOOR UNIT
The indoor unit contains a small quantity of nitrogen.Do not unscre� the nuts from the unit
until you are ready to
connect the tubing.The outdoor unit is supplied �ith suffcient refrigerant charge(R410A). Refer
to outdoor unit nameplate.
To prevent crushing,bend tubes using a bending tool.
NOTE:Use refrigeration R410Atype copper tubing only.
1. Open the valve cover.
2. Use tubing diameter that corresponds to the tubing diameter of the indoor and outdoor
units. Note that the liquid and suction tubes have different diameters.(See tube size,torque
tightening table.)
3. Place flares nuts on tube ends before preparing them �ith a flaring tool.Use the flare nuts
that are mounted on the supplied outdoor and indoor units.
4. Connect the all ends of the tubing to the indoor and outdoor units.Notice the sign . All
ends should correspond one by one.
5. Insulate each tube separately,and their unions,�ith at least 6mm thick of insulation .Wrap
the refrigerant tubing,drain hose and electric cables together �ith a vinyl tape (UV
protected)
NOTE:
1.For unit use connectionsA,B and D
2.For large indoor unit of 5.0KW Use the lo�er
connection(unit D) and use the 3/8”-1/2”transition(
supplied)
3.The electric control channel must match the tube
channel.
 ReFRIgeRAnttUBIng
Fig 11
1. INDOOR UNIT
2. Liquid tube(small dia.)
3. Suction tube(large dia.)
4. Plugs
5. Flare nuts
6. Tubing bet�een units
7. Suction tube
8. Liquid tube
9. OUTDOOR UNIT
10. FIare nuts
11. Suction valve(larger)
12. Liquid valve(smal)
Caution!
When unscrewing the valve
caps, do not stand in front of
them or the spindles at any
time,as the system is under
pressure.