Specifications

35
SECTION VIII: SYSTEM START-UP
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 overfl ow 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 fi lling the system
until the pressure gauge reads 12 psi. Close shut-
off valve in cold water supply piping.
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j. Open full port ball valve in boiler system piping.
k. Remove hose from purge valve.
l. Confi rm 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 fi lled
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. Confi rm all electrical, water and oil supplies are
turned off at the source and that the vent is clear
from obstructions.
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B. FILL HEATING SYSTEM WITH WATER.
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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 13A and 13B,
to remove air from system when fi lling:
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 fi ve gallon bucket at a
suitable fl oor 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.
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