Hsi (Hot-Surface Ignition) Lighting/Operation - Natural Gas; Operating Instructions; To Turn Off Gas To Appliance - Pentair Pool Products MiniMax 250 Operating & Installation Manual

Operation (Lighting)
MINIMAX NT LOW NOx HSI ELECTRONIC IGNITION LIGHTING/OPERATION -
FOR YOUR SAFETY: READ BEFORE LIGHTING
If you do not follow these instructions exactly, a fire or explosion may result causing personal injury, loss of life
and property damage.
Do not attempt to light the heater if you suspect a natural gas leak. Lighting the heater can result in a fire or
explosion which can cause personal injury, death, and property damage.
A. This heater is equipped with an ignition device
which automatically lights the main burners.
Do not try to light the burners by hand.
B. BEFORE OPERATING, smell all around
the heater 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 heater.
- 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.
1 .
STOP! Read the safety information above.
2. Set the thermostat to the lowest setting.
3. Turn off electric power to the heater.
4. This heater is equipped with an ignition device
which automatically lights main burners. Do
not try to light the burners by hand.
5. Remove the control access door.
6. Push in gas control knob slightly and turn clock-
wise to "OFF". (If not on "OFF" position.)
7. Wait five (5) minutes to clear out any gas. If you
then smell gas, STOP! Follow "B" in the safety
information above. If you don't smell gas, go to the
next step.
8. Turn knob on gas control counterclockwise
to "ON"; see Figure 1.
1. Set the thermostat to lowest setting.
2. Turn off all electric power to the heater if
service is to be performed.
3. Remove control access door.
Rev. C 11-1-01
WARNING

OPERATING INSTRUCTIONS

TO TURN OFF GAS TO APPLIANCE

C. Use only your hand to push in or turn the gas
control knob. Never use tools. If the knob will
not push in or turn by hand, don't try to repair it.
Call a qualified service technician. Forced or
attempted repair may result in a fire or explosion.
D. Do not use this heater if any part has been under
water. Immediately call a qualified service
technician to inspect the heater and to replace
any part of the control system and any gas
control which has been under water.
E. The MiniMax NT Low NOx incorporates the
Pentair temperature controller 7800 to aid you
in the operation of the heater, and to assist in
diagnosing a failure in the heater's function.
9. Replace the control access door.
10. Turn on the electrical power to the heater.
11. Set the thermostat to the desired setting.
12. If the heater will not operate, follow the instruc-
tions "To Turn Off Gas To Heater" and call your
service technician or gas supplier.
Gas
Inlet
Figure 1. Gas control knob shown in "ON" position.
4. Push in gas control knob slightly and turn
clockwise to "OFF". Do not force.
5. Replace control access door.
5
NATURAL GAS
ON
OFF
P/N 471593