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Sunpak® Infrared Heaters
9
Ventilation
1. It is required that areas above the heater be
properly vented to allow for necessary
combustion air and removal of combustion
gases.
2. Heaters shall be provided with natural or
mechanical means to supply and exhaust at
least 4 cfm per 1,000 BTU per hour of heater
input. Exhaust opening for removing the flue
products shall be above the level of the heaters.
3. Heater ventilation must comply with state and
local codes.
Gas Piping
1. A minimum pipe size of ½” is required for inlet
piping. A ½” leaver handled shut-off gas cock
should be installed within 6 feet of the appliance
for servicing the unit.
2. Check with local and state plumbing and heating
codes regarding sizing of gas lines.
3. All gas pipe connections to the heater(s) must be
sealed with a gas pipe compound resistant to
liquefied petroleum gases.
4. Installation of a drip leg in the gas supply line
going to each heater is required to minimize the
possibility of any loose scale or dirt within the gas
supply line from entering the heater’s control
system.
5. When checking for gas leaks, do not use an
open flame. Use a soap and water solution.
6. For gas supply line pressures in excess of ½
psig, consult the factory or your local
representative.
7. Installation of 1/8” N.P.T. plugged tapping
accessible for test gage connections is required
upstream of the gas supply connections to the
heater.
Initial Start-Up Procedure
1. Before turning on the manual gas valve to the heater
verify that the control system is working properly.
a. Apply 24 VAC to the heater.
b. There should be an audible click and the spark
initiates at the pilot
c. With the gas turned off the heater should turn “OFF”
or lockout in within 10 seconds (Synetek controls
will cycle “ON” and “OFF” 3 times before lockout
d. Turn electrical switch “OFF”
2. Turn “ON” the manual gas valve to the heater.
a. Check for leaks using soapy water at all gas
connections and joints. NEVER use a flame to
check for leaks.
b. Apply 24 VAC to heater
c. Check for pilot ignition. A smooth flame front should
roll down the length of the infrared burner. Flame
should stabilize on the ceramic surface.
d. The ceramics portion of the infrared burner should
turn RED within 5 minutes (this may be difficult to
see in bright sunlight).
NOTE: Some white smoke may appear
during or just after the initial start-up of
the heater. White smoke will dissipate
with proceeding use.
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