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Operating Instructions and Owner’s ManualMr. Heater | Gas-Fired Infra-Red Tank Top Heater
3
ASSEMBLY AND HOOK-UP INFORMATION
1. HeatermodelMH15TandMH30Tarepackagedcom-
plete.Propanecylinders(tanks)arenotincludedwith
heatermodel.
2. Removeheaterfromcarton.
3. UseonlyvaporwithdrawalLPgascylindersconstructed
forusewithpropaneonly(HD-5)andmarkedin
accordancewiththespecificationsforLPgascylindersof
theU.S.DepartmentofTransportation(DOTSPEC.39).
4. Thisheatermustbeusedonlywithavaporwithdrawal
LPgasbulktankequippedwithastandardPOLvalve
–donotusethisheateronbulktanksgreaterthan20
poundsLPGcapacity(50poundswatercapacity).
5a. MH30T Dual Burner Model (see Figure 1.)
• Thetankcollarbracketmustbeassembledbefore
theheatercanbeattachedtothepropanetank.
• Removescrewsfrommanifoldcenterplateand
retainforlateruse.
• Alignboltholesintankcollarbracketwithbolt
holesincenterplateonmanifoldsuchthatthe
heaterisfacingoutwardonceattachedtocylinder
collar.
• Attachedwithscrewsremovedabove,tomanifold
centerplate.
• Placeheaterontotankwithtankcollarbracket
overtankcollar.Mountingboltknobshouldbe
positionedtotheoutsideoftankcollar.
• Firmlysecuretotankbyhand-tighteningmounting
boltknob.Donotovertighten.
• Makesureheaterregulatorisinthe“OFF”position.
• Insertregulator’sconnectorintotank’svalveand
turnleft(counter- clockwise)withhandasmuch
aspossible.Donotovertighten.
5b. MH15T Single Burner Model (See Figure 2.)
• Besureheaterisfacingawayfromtank.
• Insertregulatorconnectorintotankvalveoutlet
fittingandturnleft(counter- clockwise)untilfully
tightened.Donotovertighten.(SeeFigure2a)
• Placeheatersupportaroundventuriandslideclip
endsontopropanecylindercollar.Use1/4”-20
x35mmscrewandwingnuttosecureheater
supportontoventuritube.(SeeFigure2b)
Figure2a.
6. Operateonlyonastable,levelsurface.
7. Openpropanetankvalveslowly.
8. Checkallfittingsforleaks.Applya50/50mixtureof
liquidsoapandwatertoalljoints.Bubblesforming
indicatealeakingconnection.Correctallleaksbefore
proceeding.
WARNING
Nevertouchheaterwhileinoperationtoavoidinjury.
Moveheaterbygraspingthepropanecylindercarefully.
9. Theheatershouldbeinspectedbeforeeachuseandat
leastannuallybyaqualifiedserviceperson.
10.Thehoseassemblyshallbevisuallyinspectedpriorto
useofheater.Ifitisevidentthereisexcessiveabrasion
orwear,orthehoseiscut,itmustbereplacedpriorto
theheaterbeingputintooperation.Replacementhose
assemblyshallbeMr.Heaterhoseassemblyaslistedin
thepartslist.
11. Minimuminletgaspressureis20psi.
12. Maximuminletgaspressureis120psi(equivalentto
anambienttemperatureof75°F(24°C)).
Figure2b.
Figure1.
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