E5
Operating Instructions and Owner’s Manual
Enerco Group, Inc. | Gas-Fired Infra-Red Space Heaters
7. ELECTRICAL
Allexternalwiringmustbeinaccordancewiththe
existingelectricalcode.Usewiringdiagramfurnished
withheater.Besureelectricsupplycharacteristics
matchthosecalledforonthenameplate.Theunit
must be electrically grounded in accordance with the
NationalElectricalCode,ANSI/NFPA70,latestrevision.
InCanadarefertoCanadianelectricalcodeCSAC22.1
8. THERMOSTAT & LOCATION
Make sure that the electrical characteristics of the
thermostatmatchthoseoftheheatercontrols.Forbest
resultsthermostatshouldbepositioned5ft.above
floorwhereaircancirculatefreelyaroundit.DONOT
MOUNTdirectlytocold-sidewall,indirectdraftsor
directlybeneaththeinfra-redheater.
9. VENTILATION
a.Theminimumintakeandexhaustairopeningsshall
providefornotlessthan400CFMforevery100,000
BTUinputexceptthattheinfiltrationareamaybe
includedintheintakearea.Theexhaustfanmustbe
interlockedwiththeheaterthermostat.Ifapower
exhaustfanisused,itshouldbecontrolledbythe
thermostat or humidistat
b.Wherenaturalventilation(gravity)isprovidedfor
exhaust,theopeningsmustbedistributedabovethe
heaters(preferablyatthepeakoftheroof)andthe
areasofopeningsshallnotbelessthan300square
inchesforevery100,000BTUinput.
10. OPERATIONS
Uponcompletionofelectricalwiring,gaspipingand
purging of gas lines to heaters, refer to the lighting
instruction plate attached to heater for proper lighting
procedure.
11. CLEANING INFORMATION
BlowoutVenturiandburnerfacewithcompressedair
(25psimax.pressure);alsocleanorifices(seeFigure
2forcorrectsizedrill).Fordetailedmaintenanceand
cleaninginstructionscontactyourlocalrepresentative
or factory.
WARNING:
GASKETBINDERMATERIALUSED
INTHISHEATERASSEMBLYWILLTEMPORARILY
EMITANODORAND/ORVAPOR.USEVENTILATION
(aORb)ANDTHISCONDITIONWILLCLEARUP
INAPPROXIMATELY20MINUTESANDWILLNOT
REOCCUR.
WARNING:
DONOTATTEMPTTOIGNITE
THEPILOTBYHANDONHEATERSEQUIPPEDWITH
AUTOMATICSPARKIGNITION
.
NOTE:
USELATESTEDITIONFORALLANSI
STANDARDANDCANADIANSTANDARDS.
TABLE
2
MODEL
NO.
BTU/HR.RATING
GASSUPPLYPRESSURE(W.C.)
ORIFICESIZE
GAS
MIN.
MAX.
MANIFOLD
NATURAL
PROPANE
NAT.
L.P.
NAT.
L.P.
NAT.
L.P.
NAT.
L.P.
4030
30,000
30,000
6.6”
11”
14”
14”
5.6”
10”
43
52
4040
40,000
40,000
6.8”
11”
14”
14”
5.8”
10”
37
49
8050
50,000
50,000
7.0”
11”
14”
14”
4.3”
10”
30
45
8060
60,000
60,000
7.0”
11”
14”
14”
5.8”
10”
30
43
8070
70,000
–
7.0”
–
14”
–
6.0”
–
29
–
9080
80,000
80,000
7.0”
11”
14”
14”
5.8”
10”
37
49
9090
90,000
90,000
7.0”
11”
14”
14”
5.0”
10”
32
47
9100S
100,000
100,000
7.0”
11”
14”
14”
5.0”
10”
31
46
9100
100,000
100,000
7.0”
11”
14”
14”
4.3”
10”
30
45
9120
120,000
120,000
7.0”
11”
14”
14”
5.8”
10”
30
43
9140
140,000
–
7.0”
–
14”
–
5.5”
–
29
–
