THERMOSTAT
12. START-UP PROCEDURE
OPENTHEGASSUPPLYVALVEORVALVES.
SetthethermostattotheOFFposition.See
Figure5.Ifthemanualgascontrolknob
onthegasvalveisnotintheOFFposition,
partiallydepresstheknobandrotatetothe
OFFposition.SeeFigure6.
Wait5minutestoallowgasthatmayhave
accumulated in the main burner to escape
(especiallyimportantafterinstallation).
TurnthemanualgascontrolknobtothePILOTposition.
Depressthemanualgascontrolknob.Usingamatch,lightthe
pilotlight.SeeFigure6.Holdtheknobdownforapproximately
30secondstoallowanyairingaslinestopassthroughpilotand,
once the pilot is lit, allow the thermocouple to heat up enough to
activatethesafetyvalveinanopenposition.
MANUALGAS
PRESSUREREGULATOR
CONTROLKNOB
ADJUSTMENT
WRENCH
BOSS
GASINLET
PILOTSTATPOWER
PILOTFLOW
UNIT
ADJUSTING
SCREW
Figure 6. Gas Valve
(BENEATH
COVERSCREW)
Components
ReleasemanualgascontrolknobandturntoON.Reset
thermostat to desired temperature.
NOTE:
DuringtheinitialstartupofMR.HEATERanodorand,perhaps,
somevaporwillcomefromtheheater.Thisisthegasketbinding
materialemittingthisodorand/orvapor.Afterapproximately20
minutes this odor will disappear and not occur again.
13. SHUTDOWN
1. TurnthermostattoOFF.
2. TurnmanualgascontrolknobongasvalvetoPILOT
position.
3. PartiallydepressknobandrotatetotheOFFposition.
4. Closegassupplyvalves.
Enerco Group, Inc. |Gas-Fired Infra-Red Space Heaters
Figure 5.
Thermostat
controls
STANDARD
PRESSURE
REGULATOR
(Incoming pressure
not exceed 13" W.C.)
PILOTGAS
OUTLET
(PRESSURE
TAPPING
DIRECTLY
BENEATH)
14. OPERATOR MAINTENANCE
INSTRUCTIONS
1. TROUBLESHOOTING
a.Table4listssystemissueswhichmayoccurduringthe
operation or maintenance of your heater.
b.ForadditionalinformationrefertoHoneywellField
Bulletinenclosedintheheatercarton.
c.Intheevent,resultscannotbeobtainedafterperform-
ingalllistedsolutions,callyourMr.Heaterdealer,orthe
factorycustomerservicedepartmentat1-866-447-2194.
2. ADJUSTING THE PILOT FLAME
Thepilotflameshouldenvelope
3/8to½in.(10to13mm)ofthe
tip of the thermocouple or
generator.Toadjustthepilot
flame:
a.Removepilotadjustment
coverscrew.RefertoFigure8.
b.Turninneradjustmentscrewclockwise
todecreaseorcounterclockwiseto
increase pilot flame.
c.Alwaysreplacecoverscrewafteradjustmentandtighten
firmly to ensure proper operation.
Pressure regulator
adjustment(beneath
Manual gas
coverscrew)
controlknob
Wrench
boss
Gas
inlet
Pilotstat
Pilot flow adjusting screw
power unit
(beneathcoverscrew)
13. REPLACING THE GAS VALVE UNIT
a.Removethetwogasvalveunitwiresatthegascontrol
valvelabeled"PP."
b.Unscrewgasvalvefromgaspiping.
c.Reconnectgasvalveandunitwirestoterminals"PP."Be
suretoleavethermostatwireononeterminal.
15. FREQUENCY OF OPERATOR CHECKS
Intermittent Use
Appliancesthatareusedseasonallyshouldbecheckedbefore
shutdownandagainbeforethenextuse.
Dusty,wetorcorrosiveenvironment.Sincetheseenvironmentscan
cause the gas control to deteriorate more rapidly, the system should
becheckedmoreoften.
The gas control should be replaced if:
a.Itdoesnotperformproperlyoncheckoutor
troubleshooting.
b.Thegascontrolknobishardtoturnorpushdown,orit
failstopopbackupwhenreleased.
E6
Operating Instructions and Owner's Manual
Installlong
screw in
outside corner
Figure 8.
Top view
Standard
of standard
pressure
capacity gas
regulator
("A"model)
control.
Step
opening
Pilot gas
regulator
outlet
("C"model)
(pressure
tapping
directly
beneath)