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OMEGA-VSHPe.F-IOM-2205
8
6. CHASSIS INSTALLATION
Do not apply plumbers putty, pipe dope or
sealing tape to NPSM fittings.
Always use a back
-
up wrench when tightening
hoses or fittings. Damage to copper pipes and
solder joints could result in serious equipment
and property damage.
Check hoses and fittings for any visible dam-
age or debris.
Remove the chassis top cover panel and inspect the
inside of the chassis unit. Ensure that the water and
refrigerant tubing is free from obvious physical damage
and kinks.
Check that piping does not touch other unit
components and other piping. Internal
copper pipes can shift during transport,
storage or installation.
INSTALLATION OF FITTINGS AND HOSES
Upon removal of service cover panel check cabinet inte-
rior for construction debris and dust. Clean out all dust
and debris.
Units with NPSM Riser and Chassis Fittings
Connect the supplied hoses to the Male
-
NPSM riser
shut
-
off valves. Do not apply pipe dope or pipe sealant
to NPSM fittings.
Always use a back
-
up wrench
.
Fin-
ger tighten hose and tighten with back
-
up wrench
approximately 1/6 turn. DO NOT OVERTIGHTEN
.
Units with NPT Riser and Chassis Fittings
Connect the supplied male
-
male (NPT/ NPSM) cou-
plings to the Female
-
NPT supply and return riser shut
-
off valves.
Do not apply pipe dope to the NPSM fit-
tings, as these are JIC style fittings.
Connect the supplied hoses to the riser shut
-
off valves.
Always use a back
-
up wrench
.
DO NOT OVERTIGHT-
EN.
Step by step instructions when connecting hoses to iso-
lation valves:
1)
Do not use pipe dope or Teflon tape!
Hand
tighten hose to the isolation valve.
2)
Use back
-
up wrench located at the front of the
valve or secure to the middle of the valve
body. Tighten a further 1/6 turn. Approx. 20FT/
LBS of torque.
3)
Do not use back
-
up wrench on the back
-
side
of the valve as this may place undue stress on
valve body construction.
4)
Correct and incorrect areas where to place
back
-
up wrench are shown with two common
valve types.
INCORRECT AREA
X
CORRECT AREA
X