19
Attention item for piping connection
• To connect a pipe to or remove it from the connection kit, do use pliers for screws and torque spanner;
• When installing the connection kit, please fix the box and connecting pipes in an efficient way to avoid shaking
when changing connection kit.
• For the sizes of the flares, please refer to <Table-1>.
<Note>
• For connection at a flare, apply ester or ether oil to the flare (both inner surface and outer surface). Apply such
oil for 3 to 4 times and insert the screw in the first use
• The tightening torque for the flare is given in <Table-1>.
If no torque wrench is available, act as the follows.
Use a spanner to tighten the nut of the flare to a position where the tightening torque sharply increases.
The tightening angle for the position where the tightening torque sharply increases <Table -2>.
After the work, make sure there is no air leakage.
Tube size Tightening torque (N.m) Machined flare size A (mm)
Flare shape
Ø6.35
14.2~17.2
8.7~9.1
R0.4
A
90°
Ø9.52
32.7~39.9
12.8~13.2
Ø12.7
49.5~60.3
16.2~16.6
Ø15.88
61.8~75.4
19.3~19.7
Ø19.05
97.2~118.8
23.7—23.9
<Table-1>
Piping maintenance
During installation, provide maintenance as specified in the table in order to prevent water, foreign matter and dust
from entering the pipes.
Location
Work period
Maintenance method
Outdoors
More than 1 month
Screw
Less than 1 month
Screw or strap
Indoors
——
Note
Particularly when a pipe is to penetrate through a wall or extend to outdoors, make sure foreign matter and dust
etc cannot enter the pipe.
Summary of Contents for CA43BV-V5J1H Series
Page 1: ...VERSION A DATA Aug 12th 2016 SEVICE MANUAL AHU VALVE BOX ...
Page 8: ...6 AH1 560A 13 59 161 266 296 309 433 501 597 553 14 84 78 87 192 201 99 266 193 12 39 83 9 ...
Page 28: ...26 6 PCB photo 0151800113A SW01 SW03 SW07 LED7 LED3 LED4 LED2 LED1 LED5 ...
Page 43: ...CARRIER INTERAMERICA CORPORATION MIAMI FLORIDA USA C CIAC 2016 ...
