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Verfügbare Sprachen
Verfügbare Sprachen
Installation Procedures
Connecting Procedures of Refrigerant Tubing
Proceed the flare tube connecting operation to connect all the refrigerant tubes.
Dual wrenches must be used in the connection of indoor unit tubing.
Mounting torque refers to the right table
wrench
Cutting and Enlarging
Cutting or enlarging pipes should be
proceeded by installation personnel
according to the operating criteria if the
tube is too long or flare opening is broken.
Vacuuming
Vacuum from the stop valve of the outdoor
units with a vacuum pump. The refrigerant
sealed in indoor machines should not be
used for vacuuming.
Open All Valves
Open all the valves of outdoor units. [NB:
oil balancing stop valve must be shut
completely when connected to one main
unit.]
Check for Air Leakage
Check if there is any leakage at the
connecting part and bonnet with hydrophone
or soapsuds.
Model
40VD048A-7S-QEE
40VD072A-7S-QEE
40VD096A-7S-QEE
The noise level of the machine is below 70db.
Outer Diameter of Tubing (mm)
1. Connecting circular terminals:
2. Connecting straight terminals:
3. Pressing connecting line
correct
pressing
Sound power Level (dB)
Super
High
61
59
61
59
62
60
14
Mounting Torque
6.35
9.52
12.7
15.88
19.05
Connecting
circular terminals
The connecting method of circular
terminal is shown in the Fig. Take off
the screw, connect it to the terminal tier
after heading it through the ring at the
end of the lead and then tighten it.
The connection methods for the circular
terminals are shown as follows: loosen
the screw before putting the line terminal
into the terminal tier, tighten the screw and
confirm it has been clamped by pulling the
line gently.
After connecting the line is completed,
press the connecting line with clips which
should press on the protective sleeve of
the connecting line.
terminal tier
pressing clip
Middle
Low
57
55
57
55
58
55
11.8~13.7N.m
32.7~39.9N.m
49.0~53.9N.m
78.4~98.0N.m
97.2~118.6N.m
Connecting
wrong
pressing
Net weight (kg)
45.4
88
88
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