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Installation Instructions
QDV 15
Oil
Stop Valve
Fig. 1
B
A
Fig. 2a
90 Nm (65 ft.lb)
No. 2516+257 Sheet: 1/2 Rev. 1
QDV15.P65
Refrigerant
QDV 15
Fig. 2b
Fig. 2c
Fig. 2d
409
409
ENGLISH
REFRIGERANTS:
R717 (Ammonia), R22, R134a,
R404A, R407A, R407B, R407C,
R744, R600, R600a, R290.
INSTALLATION
Install the QDV valve after a stop
valve with spindle upwards and
with flow direction from the side
branch (Fig. 1).
WELDING
Dismount the bonnet before wel-
ding (fig. 2a + 2b). Slacken the
lock screw (pos. A) before uns-
crewing the bonnet. Make sure
that the gasket between housing
and valve bonnet does not remain
in the housing when removing the
bonnet.
NB: Avoid damage to the cone
teflon ring.
ASSEMBLY
Remove welding slag and dirt from
tubes and housing before assem-
bly of the valve. Avoid welding
slag and dirt in the threads of the
housing and the top. Check that
the cone has been unscrewed
completely to avoid any interferen-
B
ce when the bonnet is placed in
the housing again (fig. 2c). Check
A
that the gasket between housing
and bonnet (pos. B) is placed on
the bonnet before it is placed in
the housing again.
TIGHTENING
Tighten the bonnet with a torque
wrench with 90 Nm (fig. 2d). Do
not forget to tighten the lock
screw (pos. A).
COLOURS
In the factory the QDV valves are
painted in a reddish brown primer.
Errors and omissions excepted. The
data is subject to change without
notice.
DANSK
KØLEMIDLER:
R717 (ammoniak), R22, R134a,
R404A, R407A, R407B, R407C,
15/08/00, 9:36
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