Heat Controller SMH 12 - Air Purge

SMA/SMH 09/12 INSTALLATION INSTRUCTIONS Heat Controller, Inc.
11
AIR PURGE AND TEST OPERATION
1. Air Purge
where L=Length
• Open the valve stem until it hits against the stop.
Do not try to open it further.
• Securely tighten the valve stem cap with a
spanner or wrench.
• Torque the valve properly:
Gas pipe side (0.38"): 23.5 N-cm (300 kgf-cm)
Liquid pipe side (0.25"): 12.56 N-cm (160 kgf-cm)
-
Hi Handle
Lo Handle
-29.92 inHg.
is entering.
Connect the charge hose to the vacuum
pump.
Completely tighten the are nuts A, B, C, D.
Connect the manifold valve charge hose to the
charge port of the packed valve on the gas pipe
side.
A.
B.
C.
D.
E.
F.
G.
H.