Operating Instructions - Mr. Heater MHI170QFAVT Operating Instructions And Owner's Manual

OPERATING INSTRUCTIONS

PREPARING FOR OPERATION
1.­ Check­the­heater­for­possible­shipping­damage.­If­any­is­
found,­immediately­notify­the­factory.
2.­ Follow­all­of­the­"Precautions".­
3.­ Connect­the­POL­fitting­of­hose­and­regulator­assembly­
to­the­propane­cylinder­by­rotating­the­POL­nut­
counterclockwise­into­the­propane­cylinder's­valve­outlet­and­
securely­tighten­with­a­wrench.
4.­ Connect­the­hose­to­the­heater­by­rotating­the­hose­fitting­
clockwise.
5.­ Securely­tighten­all­gas­connections.
6.­ Open­the­cylinder's­gas­valve­and­check­all­gas­connections­
with­a­soap­and­water­solution.­DO­NOT­USE­A­FLAME.
7.­ Connect­power­cord­to­well-grounded­115V,­60­Hz,­1Ø­source­
of­power.
8.­ When­using­an­extension­cord,­make­certain­that­it­is­a­
3-wire­(grounded)­cord­of­proper­wire­size.
170QFAVT (WITH THERMOSTAT)
START
1.­ Slowly­open­the­main­valve­at­propane­cylinder­to­
prevent­excess­flow­check­valve­from­closing.
2.­ Set­thermostat­to­full­on.­­Heater­will­ignite­
automatically.
3.­ Adjust­ball­valve­on­control­panel­to­desired­burn­rate.
4.­ Set­thermostat­to­desired­temperature.­Heater­will­turn­
off­and­­on­automatically­as­the­temperature­varies­in­
the­heater­area.
STOP
1.­ Securely­close­valve­on­the­propane­cylinder.
2.­ Continue­to­operate­heater­until­all­fuel­in­the­hose­has­
burned.
3.­ Unplug the heater from electrical supply.
CAUTION:
°Failure to unplug the unit may result in unexpected
operation
RESTART AFTER SAFETY SHUTDOWN
1.­ Securely­close­valve­at­propane­cylinder.­Unplug­heater.
2.­ Wait­5­minutes.
3.­ Restart­following­"Start"­procedure.
MAINTENANCE AND STORAGE
1.­ The­heater­should­be­inspected­before­each­use,­and­at­least­
annually­by­a­qualified­person.
2.­ Before­each­use,­check­the­soft­"O"­ring­seat­at­the­bullnose­
of­the­POL­fitting.­If­the­"O"­ring­is­cut,­scuffed,­or­
otherwise­damaged,­replace­it­with­part­number­F273786.
3.­ Turn­off­the­gas­at­the­LP-gas­supply­cylinder(s)­when­the­
heater­is­not­in­use.
4.­ When­the­heater­is­to­be­stored­indoors,­the­connection­
between­the­LP-gas­supply­cylinder(s)­and­the­heater­must­
be­disconnected­and­the­cylinder(s)­removed­from­the­heater­
and­stored­out­of­doors­and­in­accordance­with­Chapter­5­of­
the­standard­for­Storage­and­Handling­of­Liquefied­Petroleum­
Gases­ANSI/NFPA­58­and­CSA­B149.1,­Natural­Gas­and­
Propane­Installation­Code.
SERVICING
A­hazardous­condition­may­result­if­a­heater­is­used­that­has­
been­modified­or­is­not­functioning­properly.­
When­the­heater­is­working­properly:
­ •­ The­flame­is­contained­within­the­heater.
Force-Air Propane Construction Heater
­ •­ The­flame­is­essentially­blue­with­perhaps­some­
­ yellow­tipping.
­ •­ There­is­no­strong­disagreeable­odor,­eye­burning­or­­
­ other­physical­discomfort.
­ •­ There­is­no­smoke­or­soot­internal­or­external­to­the­­
­ heater.
­ •­ There­are­no­unplanned­or­unexplained­shut­downs­
­ of­the­heater.
The­parts­lists­and­wiring­diagram­show­the­heater­as­it­was­
constructed.­Do­not­use­a­heater­which­is­different­from­
that­shown.­In­this­regard,­use­only­the­hose,­regulator­and­
cylinder­connection­fitting­(called­a­POL­fitting)­supplied­
with­the­heater.­IMPORTANT­Match­the­color­stripe­on­the­
hangtag­attached­to­the­hose­assembly­with­the­color­on­the­
label­located­near­the­propane­inlet­fitting­on­the­heater.­Do­
not­use­alternates.­For­this­heater,­the­regulator­must­be­set­
as­shown­in­"specifications".­If­there­is­any­uncertainty­about­
the­regulator­setting,­have­it­checked.
A­heater­which­is­not working­right­must­be­repaired,­but­
only­by­a­trained,­experienced­service­person.
In-warranty­products­will­be­repaired­with­no­charge­for­
either­parts­or­labor.­Please­include­a­brief­statement­
indicating­date,­place­of­purchase,­the­nature­of­the­problem­
and­proof­of­purchase.
Out-of-warrranty­products­will­be­repaired­with­a­charge­for­
parts­and­labor.
­
­
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Operating Instructions and Owner's Manual