FMI PFS US VSHRP26M - Manual (Page 7)

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ventilation Air From Outdoors
Provide extra fresh air by using ventilation grills
or ducts. You must provide two permanent
openings: one within 12" (30.5 cm) of the ceil-
AIR FOR COMBUSTION AND VENTILATION
Continued
Figure 2 - Ventilation Air from Inside
Building
Figure 3 - Ventilation Air from Outdoors
ing and one within 12" (30.5 cm) of the floor.
Connect these items directly to the outdoors
or spaces open to the outdoors. These spaces
include attics and crawl spaces. Follow the Na-
tional Fuel Gas Code, ANSI Z223.1/NFPA 54,
Air for Combustion and Ventilation for required
size of ventilation grills or ducts.
IMPORTANT: Do not provide openings for inlet
or outlet air into attic if attic has a thermostat-
controlled power vent. Heated air entering the
attic will activate the power vent.
INSTALLATION
NOTICE: This heater is intended
for use as supplemental heat.
Use this heater along with your
primary heating system. Do not
install this heater as your pri-
mary heat source. If you have a
central heating system, you may
run system’s circulating blower
while using heater. This will help
circulate the heat throughout the
house. In the event of a power
outage, you can use this heater
as your primary heat source.
WARNING: A qualified ser-
vice person must install heater.
Follow all local codes.
WARNING: This appliance is
equipped for either natural gas or
propane/LP gas but not both. Gas
type is indicated on the rating plate.
Field conversion is not permitted.
CHECK GAS TYPE
Use only the correct gas type (natural
or propane/LP) for your unit. If your gas
supply is not correct, do not install heater.
Call dealer where you bought heater for
proper type heater.
INSTALLATION ITEMS
Before installing heater, make sure you have
the items listed below.
• for propane/LP gas, external regulator
(supplied by installer)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• ground joint union
• sediment trap
• tee joint
• pipe wrench
• for natural gas, test gauge connection*
• hardware packet (included)
- wall anchor (4) 095112-02
- red key (1) 095116-01
- pan head screw, black (4) 097403-02
- nylon spacer (2) 099064-02
- clip (1) 099123-01
- Phillips head screw, silver (4) 100159-02
* An equipment shutoff valve with 1/8" NPT tap
is an acceptable alternative to test gauge con-
nection. The optional equipment shutoff valve
can be purchased from your dealer.
Or
Remove
Door into
Adjoining
Room,
Option 3
Ventilation Grills
Into Adjoining Room,
Option 2
12"
12"
Ventilation
Grills into
Adjoining
Room,
Option 1
Outlet
Air
Ventilated
Attic
Outlet
Air
Inlet
Air
Inlet Air
Ventilated
Crawl Space
To
Crawl
Space
To Attic