Section Iv. Operation; Basic System Operation; Hsi (Hot-Surface Ignition) Lighting/Operation - Pentair Pool Products MiniMax NT Series Operation & Installation Manual

Section IV. Operation

Operation Instruction

BASIC SYSTEM OPERATION

1. Start pump, make sure the pump is running and is primed, to close the water pressure switch and supply power to
heater. Be sure the pool and/or spa is properly filled with water. Follow the Lighting/Operating instructions below.
MINIMAX NT 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 property damage, personal
injury or loss of life.
Do not attempt to light the heater if you suspect a gas leak. Lighting the heater can result in a fire or explosion
which can cause personal injury, death, and property damage.
A. This appliance does not have a pilot. It is equipped with
an ignition device which automatically lights the burners.
Do not try to light the burners 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.
1. STOP! Read the safety information above, (A through D).
2. Open the access doors. Set power switch to "OFF", (see
Figure 25).
3. Set the thermostat to "OFF", (see
4. This appliance is equipped with an ignition device which
automatically lights the burners. Do not try to light the burn-
ers by hand.
5. Push in gas control knob slightly and turn clockwise
to "OFF".
NOTE: Knob cannot be turned to "OFF" unless knob is
pushed in slightly. Do not force.
6. 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.
7. Turn gas control knob counterclockwise
See Figure 20.
8. Close the access doors and set the thermostat to desired
Mode: "POOL, SPA or REMOTE".
1. Turn off all electric power to the appliance if service is to
be performed.
2. Set the thermostat to "OFF".
Rev. D 12-22-04
WARNING
OPERATING INSTRUCTIONS
page 27).
to "ON".
TO TURN OFF GAS TO APPLIANCE
- If you cannot reach your gas supplier, call the Fire
Department.
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 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.
9. Set the thermostat to the desired temperature setting.
a. Ignition module is energized and the pre-purge cycle is
started, approximately 15 seconds.
b. Fan motor starts, which closes Vacuum Air Pressure (fan)
switch.
c. Check for powering-up the (glow coil) hot-surface ignitor
by viewing through the glass window or opening on the
burner face plate.
10. If the appliance will not operate, follow the instructions
"To Turn Off Gas To Appliance" and call your service tech-
nician or gas supplier.
Gas
Inlet
Figure 20.
Gas control knob shown in "ON" position.
3. Open access doors.
4. Push in gas control knob slightly and turn clockwise
to "OFF". Do not force.
5. Close access doors.
21
ON
OFF
P/N 472235