Dunkirk Q90-200 Installation, Operation & Maintenance Manual page 23

Open the zone service valve on the supply pipe for the
2.
fi rst zone. Open the purge valve on the fi rst zone. Feed
water will fi ll the zone, pushing air out the purge valve.
Close the purge valve when the water runs air free.
Close the zone service valve.
Repeat step 2 for all remaining zones.
3.
Open the expansion tank service valve and the tank
4.
vent. Fill the tank to the proper level and close the
tank vent. Remove the handle from the expansion tank
service valve so the homeowner doesn't accidentally
close it.
Open all service valves. Any air remaining trapped in
5.
the return lines between the service valves and the
boiler will be pushed towards the expansion tank when
the boiler is placed in operation.
Inspect piping system. Repair any leaks immediately.
6.
Do not use stop leak compounds. Leaks in
threaded connections in aluminum boiler
sections must be repaired immediately.
Aluminum threads will not seal themselves.
Placing Boiler In Operation
Read before operating appliance
This appliance does not have a pilot. It is equipped
1.
with an ignition device which automatically lights
the burner. Do NOT try to light this burner by
hand.
Before operating smell all around the appliance
2.
area for gas. Be sure to smell next to the fl oor
because some gas is heavier than air and will
settle to the fl oor.
What to do if you smell gas
• Do not try to light any appliance.
• Do not touch any electric switch or use any
phone in the building.
!
• Immediately call your gas supplier from
a neighbor's phone. Follow gas supplier's
instructions.
• If you can not contact your gas supplier, call
the fi re department.
NOTICE
NOTICE
WARNING
STARTUP
Use only your hand to turn the gas shut off valve.
3.
Never use tools. If the valve will not turn by hand, do
not try to repair it, call a qualifi ed service technician.
Force or attempted repair may cause fi re or explosion.
Do not use this appliance if any part has been under
4.
water. Immediately call a qualifi ed service technician
to inspect the appliance and to replace any part of the
control system and any gas control which has been
under water.
Operating Instructions
STOP! Read the safety information above before
1.
operating this appliance.
Set the thermostat to the lowest setting.
2.
Turn off all electrical power to the appliance.
3.
This appliance does not have a pilot. It is equipped with
4.
an ignition device which automatically lights the burner.
Do NOT try to light this burner by hand.
Remove the front jacket panel.
5.
Turn off the gas shut off valve. Valve handle should be
6.
perpendicular to the gas pipe.
Wait fi ve minutes for any gas to clear. Then smell for
7.
gas, including near the fl oor. If you smell gas, STOP!
Follow instructions at left under "What To Do If You
Smell Gas." If you do not smell gas, go to the next
step.
Turn the gas shut off valve to the "On" position. The
8.
handle on the valve should be parallel to the gas pipe.
Replace the front jacket panel.
9.
Turn on all electrical power to the appliance.
10.
Set thermostat to desired setting.
11.
If the appliance will not operate, follow the instructions
12.
in "To Turn Off Gas To Appliance" (below) and call
your service technician or gas supplier.
To Turn Off Gas To Appliance
Set the thermostat to the lowest setting.
1.
Turn off all electric power to the appliance if service is
2.
to be performed.
Remove the front jacket panel.
3.
Turn gas shut off valve off. Handle should be
4.
perpendicular to the gas pipe.
Replace the front jacket panel.
5.
Safe lighting and other performance criteria were met with
the gas manifold and control assembly provided on the
boiler when the boiler underwent tests specifi ed in ANSI
Z21.13-latest revision.
23