Carrier 40VC009F-7G-QEE Betriebs- Und Installationshandbuch Seite 22

Installation Procedures
Tubing Permissible Length & Height Difference
Please refer to the attached manual of the outdoor units.
Tubing Materials & Specifications
Model
Tubing Size Gas pipe
(mm)
Liquid pipe
Tubing Material
Refrigerant Filling Amount
Add the refrigerant according to the installation instruction of the outdoor unit. The addition of R410A refrigerant must be
performed with a measure gauge to ensure the specified amount while compressor failure can be caused by filling too much
or little refrigerant.
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
If the tube is too long or flare opening is broken, cutting
or enlarging pipes should be proceeded by installation
personnel according to the operating criterion..
Vacuumizing
Vacuumize from the stop valve of outdoor units with
vacuum pump. Refrigerant sealed in indoor machine
is not allowed to use for vacuumization.
Open All Valves
Open all the valves of outdoor units. [NB: oil balancing
stop valve must be shut up completely when connected
to one main unit.]
Checkup for Air Leakage
Check if there is any leakage at the connecting part
and bonnet with hydrophone or soapsuds.
40VC009F-7G-QEE 40VC012~018F-7G-QEE
Ø9.52
Ø6.35
Phosphor deoxy bronze seamless pipe (TP2) for air conditioner
Ø12.7
Ø6.35
Outer Mounting Torque
Diameter of
Tubing (mm)
Ø6.35 11.8 (1.2kgf-m)
Ø9.52 24.5 (2.5kgf-m)
Ø12.7 49.0 (5.0kgf-m)
Ø15.88 78.4 (8.0kgf-m)
Connecting
Connecting circular terminals:
1.
The connecting method of the circular terminal is shown
in 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.
Connecting straight terminals:
2.
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.
Pressing connecting line
3.
After connecting line is completed, press the connecting
line with clips which should press on the protective
sleeve of the connecting line.
correct
pressing
15
40VC024F-7G-QEE
Ø15.88
Ø9.52
Increase mounting
(N-m) Torque (N-m)
13.7 (1.4kgf-m)
29.4 (3.0kgf-m)
53.9 (5.5kgf-m)
98.0 (10.0kgf-m)
Connecting circular
terminals:
terminal tier
pressing clip
wrong
pressing