5
AVFL Vent Free Fireplace
Monessen • AVFL42 Installation Instructions • 20305467 Rev. B • 02/17
PRODUCT FEATURES
GAS PRESSURES
NOTE:
For LP models an external regulator is required
to reduce supply pressure to a maximum of 13" w.c.
GAS SPECIFICATIONS & ORIFICE SIZE
AVFL42 CONTROLS
MODEL
FUEL
MAX. INPUT
(BTU/h)
MIN. INPUT
(BTU/h)
ORIFICE
SIZE
AVFL42NTSC
NAT.
37,000
24,500
2.20 mm
AVFL42PTSC
LP.
36,000
28,500
#55
NATURAL
PROPANE (LP)
Inlet Minimum
5.0" w.c.
11.0" w.c.
Inlet Maximum
10.5" w.c.
13.0" w.c.
Regulator Pressure
Setting
3.5" w.c.
10" w.c.
Pilot Regulator
3.5" w.c.
—
FP3020
AVFL controls
Control Board
FP3020
Thermocouple
Module
Command Center
AC Module
Figure 1 –
AVFL42 Controls (Control Access Door Shown Open)
