MrHeater HS40LP, Инструкция по эксплуатации и руководство пользователя

Страница: 6 / 24

6
Installation Instructions and Owner’s Manual
Gas Fired Infrared Space Heater
c.­­ Always­replace­cover­screw­after­adjustment­and­tighten­firmly­
to­ensure­proper­operation.
Manual­gas­
control­knob
Wrench­
boss
Gas­
inlet
Pilotstat­
power­unit
Pressure­regulator­
adjustment­(beneath­
cover­screw) Install­long­
screw­in­
outside­corner
Standard­
pressure­
regulator­
(“A”­model)
Step­
opening­
regulator­
(“C”­model)
Pilot­gas­
outlet­
(pressure­
tapping­
directly­
beneath)
Pilot­flow­adjusting­screw­
(beneath­cover­screw)
Figure 8. Top view of standard capacity gas control.
TABLE 4. TROUBLESHOOTING CHART
Below­in­chart­form­are­various­symptoms­of­a­malfunctioning­system,­possible­defects­that­will­cause­there­
symptoms­and­suggested­corrective­measure.­The­chart­assumes­that­the­proper­gas­pressure­is­available­to­the­
heater­and­that­the­lighting­procedure­is­as­stated­on­the­plate­attached­to­the­heater.
SYMPTOMS CAUSES SOLUTIONS
Burner­light­off­very­slow­ Partially­blocked­pilot­orifice­ Re-adjust­pilot
­ Pilot­out­of­adjustment­ Replace
Burner­light­off­very­slowly­ Partially­blocked­burner­orifice­ Replace
Color­stays­dull­ ­
Burner­flashback­ Low­gas­pressure­ Correct­line­pressure­or­call­your­gas
(roaring­noise­during­operation­­ ­ supplier
and­ceramic­grid­surface­will­be­dark)­ Damaged­burner­ Replace
Ceramic­grid­or­burner­sooting­up­
(when­new­or­after­cleaning)­ First­check­for­damaged­­ Replace­if­damaged
­ burner­orifice­
­ If­burner­orifice­is­not­damaged­
­ then­check­for­damaged­manifold.­ Replace
Pilot­cannot­be­ignited­ Blocked­pilot­orifice­ Replace
­ Gas­cock­not­in­position­
­ Pilot­gas­flow­adjustment­screw­may­be­closed­ ­Gas­control­knob­must­be­turned­to­pilot
­ ­ and­held­depressed
­ ­ Open­and­adjust­(see­Figure­8)
Pilot­lights­but­goes­out­ Defective­thermocouple­ Replace
­ Defective­control­ Replace
Pilot­stays­lit­but­main­burner­will­not­light­ Loose­wire­or­improperly­wired­ Tighten­connections,­check­wiring
­ Defective­control­ diagram
­ Blocked­burner­orifice­ Replace­
­ ­ Clean­orifice­or­replace
Failure­to­ignite­ Main­gas­off­ Open­manual­valves
­ Air­in­gas­line­ Bleed­gas­line
­ Loose­wire­connections­ Tighten­wire­connections
­ Dirty­wire­connections­ Clean­terminals­and­secure­terminals
13. REPLACING THE GAS VALVE UNIT
a.­­ Remove­the­two­gas­valve­unit­wires­at­the­gas­control­valve­
labeled­“PP.”
b.­­ Unscrew­gas­valve­from­gas­piping.
c.­­ Reconnect­gas­valve­and­unit­wires­to­terminals­“PP.”­Be­sure­
to­leave­thermostat­wire­on­one­terminal.
14. FREQUENCY OF OPERATOR CHECKS
Intermittent Use
Appliances­that­are­used­seasonally­should­be­checked­before­
shutdown­and­again­before­the­next­use.
Dusty,­wet­or­corrosive­environment.­Since­these­environments­
can­cause­the­gas­control­to­deteriorate­more­rapidly,­the­system­
should­be­checked­more­often.
The gas control should be replaced if:
a.­­ It­does­not­perform­properly­on­checkout­or­troubleshooting.
b.­­ The­gas­control­knob­is­hard­to­turn­or­push­down,­or­it­fails­
to­pop­back­up­when­released.
SYMPTONS CAUSES SOLUTIONS
Burner­light­off­very­slow Partially­blocke­pilot­orifice
Pilot­out­of­adjustment
Clean­or­Replace
Re-adjust­pilot
Burner­light­off­very­slow­&­color­
stays­dull Partially­blocked­burner­orifice Clean­or­replace
Burner­flashback­(roaring­noise­
during­operation­and­ceramic­grid­
surface­will­be­dark) Low­gas­pressure
Damaged­Burner
Correct­line­pressure­or­call­your­gas­supplier
Replace
Ceramic­grid­or­burner­sooting­up­
(when­new­or­after­cleaning) First­check­for­damage­burner­orifice,­if­
burner­orifice­is­not­damaged­then­check­for­
damaged­manifold. Replace­if­damaged
Pilot­cannot­be­ignited Blocked­pilot­orifice
Gas­valve­knob­not­in­correct­position
Pilot­gas­flow­adjustment­screw­may­be­closed
Clean­or­replace
Gas­valve­knob­must­be­at­pilot­and­held­
depressed
Open­and­adjust­(see­Figure­8)
Pilot­lights­but­goes­out Defective­thermocouple
Defective­control
Replace­
Replace
Pilot­stays­lit­but­main­burner­will­
not­light Loose­wire­or­improperly­wired
Defective­control
Blocked­burner­orifice
Tighten­connections,­check­wiring­diagram
Replace
Clean­or­replace
Failure­to­ignite Main­gas­off
Air­in­gas­line
Loose­wire­connections
Dirty­wire­connections Open­manual­valves­on­gas­line
Bleed­gas­line
Tighten­wire­connections
Clean­and­secure­connection­terminals
15. HIGH-ALTITUDE OPERATION
Installation­of­this­appliance­at­altitudes­above­2,000­ft­(610­m)­
shall­be­in­accordance­with­local­codes,­­or­in­the­absence­of­
local­codes,­the­National­Fuel­Gas­Code,­ANSI­Z223.1/NFPA­54­or­
National­Standard­of­Canada,­Natural­Gas­and­Propane­Installation­
Code,­CSA­B149.1.