Installation Of Outdoor Unit - Daewoo DPA-380R Service Manual

INSTALLATION OF OUTDOOR UNIT

4
REFRIGERANT TUBE CONNECTION
5
Specification and method of copper tube
• Connection method of copper tube is to make connection with flare nut at the end of the copper tube with a flare tool.
CAUTION
• Use designated diameter and thickness of tube.
• Connect all tube as short as possible and fix firmly.
• Less than 3M of the difference of height between indoor and outdoor unit is desirable.
• Fill up more refrigerant if the connection tube is longer than 5M (130g/M).
(The refrigerant volume filled from the factory is suitable for 5M connection)
• Be careful not to let in any dust or motes into the tube when the tube passes the wall.
• When insulating the connection, use foam rubber or equivalent.
1
1) Cushion rubbers absorb vibration of
outdoor unit
2) The unit must be grounded for safety in
accordance with local electrical codes.
(Grounding resistance should be under
100 ohms
2
Flare specification
Nominal diameter
Lquid
Gas
Torque
Nominal diameter
Lquid
Gas
3
Unit: mm
A D
3/8" 12.0~12.4 9.52
5/8" 18.6~19.0 15.88
Unit: mm
Torque
3/8" 300Kg • cm
5/8"
500Kg • cm