Operating Instructions / Basic System Operation; Operating Instructions; To Turn Off Gas To Appliance - Pentair MASTERTEMP 200 HD Installation And User Manual

4 | Section 1. Operations

OPERATING INSTRUCTIONS

1. STOP! Read the safety information on
2. Set both pool and spa thermostats to the lowest
settings.
3. Turn off all electric power to the appliance.
4. This appliance does not have a pilot. It is equipped
with an ignition device which automatically lights
the burner. Do not try to light the burner by hand.
5. Turn off the outside external manual shut-off gas
valve, see Figure 1.
6. Wait five (5) minutes to clear out any gas. If you
then smell gas, STOP! Follow "B" in the "Before
Start-up" instructions
gas, go to the next step.
7. Turn on the outside external manual shut-off gas
valve, see Figure 1.
8. Set 3-way valves on inlet and outlet to pool or
spa, as appropriate.
9. Turn on all electric power to the appliance.
10. Press either the POOL ON or SPA ON button switch on the operating control.
11. Set the thermostat to desired setting (NOTICE: Set point must be above actual water temperature or burner will not
fire). See page 2 "OPERATING THE CONTROL PANEL".
12. The blower should come on immediately, and after about 20 seconds, the burner should fire. When operating for the
first time, the burner may not fire on the first try because of air in the gas line. If it does not fire at first, push the OFF
switch, wait five minutes, and again push the POOL or SPA ON switch. The burner should fire after about 20
seconds. You may have to repeat this until all of the air has cleared the gas line.
13. The burner should fire until the pool/spa temperature reaches the desired temperature set on the thermostat. The
blower will continue to run for about 45 seconds after the burner shuts off. If any of the safety interlocks should open
during burner operation, the burner shuts off immediately, but the blower continues to run for about 45 seconds.
Should overheating occur or the gas supply fail to shut off, turn off the manual gas control valve to the appliance.
14. If the appliance will not operate, follow the instructions below "TO TURN OFF GAS TO THE APPLIANCE", and
call your service technician or gas supplier.
15. If the electrical power is lost while the heater is running, the heater will retain all program settings and the unit will
come back to it's original mode and settings once the power is restored.

TO TURN OFF GAS TO APPLIANCE

1. Press the OFF button on operating control.
2. Switch off all electric power to the unit.
3. Turn off the outside external manual shut-off gas valve, see Figure 1.
™
MASTERTEMP Pool and Spa Heater Installation and User's Guide
(page v -
(page 3). If you don't smell
vii).
External Manual
Shut-off Valve
Figure 1.
P/N 475106 Rev. A 2/2014