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106346-06 - 8/19
FORCE
Installation, Operating & Service Manual
e. Open purge valve.
f. Open shut-off valve in cold water supply
piping located between the air scoop and
expansion tank.
g. Allow water to overflow from bucket until
discharge from hose is bubble free for 30
seconds.
h. When zone valve is completely purged of
air, close zone valve or shut-off valve. Open
zone valve to the next zone to be purged.
Repeat this step until all zones have been
purged. At completion, open all zone
valves.
i. Close purge valve, continue filling the
system until the pressure gauge reads
12 psi. Close shut-off valve in cold water
supply piping.
WARNING
The maximum operating pressure of this boiler
is posted on the ASME Data Label located
on the top of the boiler. Never exceed this
pressure. Do not plug relief valve.
NOTICE:
If make-up water line is equipped with
pressure reducing valve, system will automatically
fill to 12 psi. Follow fill valve manufacturer's
instructions.
j. Open full port ball valve in boiler system
piping.
k. Remove hose from purge valve.
l. Confirm that the boiler and system have no
water leaks.
m. It may be necessary to clean the air vent
assembly after a few days of operation.
C .
CHECK CONTROLS, WIRING AND
BURNER
to be sure that all connections are tight
and burner is rigid, that all electrical connections
have been completed and fuses installed, and
that oil tank is filled and oil lines have been tested.
A .
ALWAYS INSPECT INSTALLATION
BEFORE STARTING BURNER .
1. Verify that the venting, water piping, oil piping,
and electrical system are installed properly.
Refer to Installation Instructions contained in
this manual.
2. Confirm all electrical, water and oil supplies
are turned off at the source and that the vent is
clear from obstructions.
WARNING
Completely read, understand and follow all
instructions in this manual before attempting
start up.
B .
FILL HEATING SYSTEM WITH WATER .
NOTICE:
It is important to properly remove the
oil and dirt from the system. Failure to clean the
system can result in clogged air vents, circulator
damage and seized zone valves.
CLEAN HEATING SYSTEM if boiler water is
dirty.
Refer to Maintenance and Service Instructions
Section of this manual for proper cleaning
instructions for water boilers.
1. HOT WATER BOILERS. Fill entire heating
system with water and vent air from system.
Use the following procedure on a series loop
or multi-zoned system installed as per Figures
10A and 10B, to remove air from system when
filling:
a. Close full port ball valve in boiler system
piping.
b. Isolate all zones by closing zone valves or
shut-off valves in supply and return of each
zone(s).
c. Attach a hose to vertical purge valve in
boiler system supply piping up stream from
the full port ball valve.
(
NOTE
-
Terminate hose in five gallon
bucket at a suitable floor drain or outdoor
area).
d. Starting with one zone at a time, open zone
valve or shut-off valve in boiler supply and
return piping.
10
System Start-Up
WARNING
All boilers equipped with burner swing doors have a potential hazard which can cause severe property
damage, personal injury or loss of life if ignored. Before opening swing door, turn off service switch to boiler
to prevent accidental firing of burner outside the combustion chamber. Be sure to tighten swing door fastener
completely when service is completed. In addition, the burner power cord will have to be disconnected from
the receptacle in the front jacket.
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