Monessen Hearth MJ27NR User Manual
6
86D0024
PRODuCT FEATuRES and SPECIFICATIONS
NATURAL GAS
NOTE: An external regulator is required to reduce supply pressure to a maxi-
mum of 10
1
/
2
" W.C. on natural gas systems operating at higher pressure.
MILLIVOLT
Regulator Pressure Setting: 3.5" w.c.
Pilot Regulator:
Regulator Pressure Setting: 3.5" w.c.
Pilot Regulator:
3.5" w.c.
Gas Inlet Pressure:
Max 10
1
/
2
" w.c.
Min. 5" w.c.
PROPANE/LPG
Note: An external regulator is required to reduce supply pressure to a
maximum of 13" w.c.
MILLIVOLT
Regulator Pressure Setting: 10" w.c
Gas Inlet Pressure:
MILLIVOLT
Regulator Pressure Setting: 10" w.c
Gas Inlet Pressure:
Max. 13" w.c.
Min. 11" w.c.
IGNITION CONTROLS
Piezo ignitor allows ignition of the pilot without the use of matches or batteries.
Millivolt control has three (3) positions:
Millivolt control has three (3) positions:
OFF
- All gas to the gas logs is shut off at the valve.
IGN
- Valve position to light/maintain a standing pilot.
ON
- Valve position to turn ON/OFF log set with remote switch/thermostat.
PILOT/ODS
The gas log heater is fitted with a specially designed safety pilot (ODS assembly) which
senses the amount of oxygen available in the room and shuts the gas log heater off if the
oxygen level begins to drop below a satisfactory level. The pilot can only be relit when
adequate fresh air is available.
THERMAL GENERATOR
The millivolt gas log pilot is fitted with a Millivolt (thermopile) generator to provide power
for remote activation.
Gas Rate
Model Number Control Max. BTu/hr Min. BTu/hr
MJ27NR
Millivolt
38,000
25,500
Gas Rate
Model Number Control Max. BTu/hr Min. BTu/hr
MJ27PR
Millivolt
37,000
29,500