4.Open the expansion tank service valve and the tank 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.
5.Open all service valves. Any air remaining trapped in the return lines between the service valves and the boiler will be pushed towards the expansion tank when the boiler is placed in operation.
6.Inspect piping system. Repair any leaks immediately.
NOTE: DO NOT use stop leak compounds. Leaks in threaded connections in the aluminumboiler sections must be repaired immediately. Aluminum threads will not seal themselves.
D. PLACING BOILER IN OPERATION
FOR YOUR SAFETY READ BEFORE OPERATING 
WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life
A.This appliance is equipped with an ignition device which automatically lights the pilot. Do not try to light the pilot by hand.
B.BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
·Do not try to light any appliance.
·Do not touch any electrical switch; do not use any phone in your building.
·Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
·If you cannot reach your gas supplier, call the fire department.
C.Use only your hand to move the system control switch. Never use tools. If the switch will not move by hand, don't try to repair it, call a qualified service technician. Force or attempted repair may result in a fire or explosion.
D.Do not use this appliance if any part has been under water. Immediately call a qualified 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 
1.STOP! Read the safety information above on this label.
2.Set thermostat to lowest setting.
3.Turn off all electric power to the appliance.
4.This appliance is equipped with an ignition device which automatically lights the burner. DO NOT try to light the burner by hand.
5.Remove the front jacket panel..
6.Turn the gas control knob clockwise 
to “OFF”.
7.Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information above on this label. If you don’t smell gas go on to next step.
8.Turn the gas control knob counter clockwise 
to “ON”.
9.Replace front jacket panel.
10.Turn on all electrical power to the appliance.
11.Set the thermostat to desired setting.
12.If the appliance will not operate, follow the instructions “To Turn Off Gas To Appliance” and call your service technician or gas supplier.
TO TURN OFF GAS TO APPLIANCE 
1.Set the thermostat to lowest setting.
2.Turn off all electric power to the appliance if service is to be preformed.
3.Remove the front jacket panel.
4.Turn gas control knob clockwise 
to “OFF”.
5.Replace the front jacket panel.
Safe lighting and other performance criteria were met with the gas manifold and control assembly provided on the boiler when the boiler underwent tests specified in ANSI
36
