Idiomas disponibles
Idiomas disponibles
22
Guardian 2.0 LP or Natural Gas Heater
2. Do the readings at the inlet and outlet pressure
gauges agree with that specified on the dataplate?
If so, then no further checking or adjustment is
required. Proceed to section D.
3. If the inlet pressures do not agree with that specified
on the dataplate, then the regulator controlling gas
pressure to the heater requires adjustment.
4. If the inlet pressures are correct and the burner
manifold pressure does not agree with that specifed
on the dataplate, then the gas control valve's internal
pressure regulator requires adjustment. See Fig. 30
for regulator location.
D. Completion
1. Once the proper inlet and burner manifold pressures
have been confirmed and/or properly set, close the
fuel supply valve to the heater and allow the heater
to burn off any gas remaining in the gas supply line.
2. Disconnect the heater from its electrical supply.
3. Remove the gauges and connecting hoses.
4. Install pressure tap plugs and tighten securely.
Check for gas leaks.
FIG. 30
INTERNAL PRESSURE REGULATOR
LOW PRESSURE GAUGE
Owner's Manual • Guardian 2.0
Troubleshooting Guide
READ THIS ENTIRE SECTION
BEFORE BEGINNING TO
TROUBLESHOOT PROBLEMS.
Electrical Shock and Burn Hazard
■ Troubleshooting this system may require
operating the unit with line voltage present and
gas on. Use extreme caution when working on
the heater.
■ Failure to follow this warning may result in
property damage, personal injury or death.
The troubleshooting flow charts on the following pages
provide systematic procedures for isolating equipment
problems. The charts are intended for use by a QUALIFIED
GAS HEATER SERVICE PERSON. DO NOT SERVICE
THESE HEATERS UNLESS YOU HAVE BEEN
PROPERLY TRAINED.
TEST EQUIPMENT REQUIRED
The following pieces of test equipment will be required to
troubleshoot this system with minimal time and effort.
• Digital Multimeter - for measuring AC and DC voltage
and resistance.
• Low Pressure Gauge - (Part No. 00764) for checking
inlet and outlet pressures of the gas control valve against
dataplate rating.
INITIAL PREPARATION
■ Visually inspect equipment for apparent damage.
■ Check all wiring for loose connections and worn insulation.
INLET PRESSURE TAP
OUTLET PRESSURE TAP
WARNING
LOW PRESSURE GAUGE
