Monessen Hearth DIRECT VENT MLDV500 - Manual (Page 5)

75D0004 5
MLDV Series Gas Fireplace PRODUCT FEATURES
• This appliance has been certified for use with
either natural or propane gas. See appropriate
data plates.
• This appliance is not for use with solid fuels.
• The appliance is approved for bedroom or bed-
sitting room installations.
• The appliance must be installed in accordance
with local codes if any. If none exist use the cur-
rent installation code. ANSI Z3.1/NFPA 54 in
the USA, CSA B149 in Canada.
• This appliance is mobile home appr-oved.
• The appliance must be properly connected to a
venting system.
• The appliance is not approved for closet or
recessed installations.
PRODUCT SPECIFICATIONS
Figure 1 -
MLDV Series Fireplace
(Millivolt Control shown)
FP1984
MLDV components
Off/Pilot/On Knob
Hi/Lo Knob
On/Off/RS
Switch
Ignitor
5/8" Nailing
Flange
1/" Nailing
Flange
Insulation Board
FP1984
HIGH ELEVATIONS
Input ratings are shown in BTU per hour and are certi-
fied without deration for elevations up to 4,500 feet
(1,370 m) above sea level.
For elevations above 4,500 feet (1,370 m) in USA,
installation must be in accordance with the current
ANSI Z3.1/NFPA 54 and/or local codes having
jurisdiction.
In Canada, please consult provincial and/or local
authorities having jurisdiction for installation at eleva-
tions above 4,500 feet (1,370 m).
GAS PRESSURES
Natural Propane (LP)
Inlet Minimum 4.5” w.c. 11.0” w.c.
Inlet Maximum 10.5” w.c. 13.0” w.c.
Manifold Pressure 3.5” w.c. 10.0” w.c.
Max.Input Min. Input Orifice
Model Fuel BTU/h BTU/h Size
MLDV500NV Nat. 34,000 ,000 #33
MLDV500PV LP 34,000 7,000 1.8 mm
MLDV500NSC Nat. 34,000 ,000 #33
MLDV500PSC LP 34,000 7,000 1.8 mm
GAS SPECIFICATIONS & ORIFICE SIZE