HOW MUCH HEAT DO I REQUIRE?
Foreconomy,itisimportanttomatchinputheattothat
required.Butheatrequirementsoftenvary.Forexample,
itusuallytakesalotmoreheattogetthingswarmthan
itdoestokeepthemthatway.Likewise,outsideair
temperatureusuallychangesduringthedaysoyoumay
needmoreheatatnightthanyoudointhedaytime.An
approximationoftheheatrequiredcanbefoundbyusing
thechartbelow.
BTU'S PER HOUR REQUIRED
Cubic feet
Temperature Rise Required (
of space to
be heated
20
o
5,000
14,000
7,000
19,000
10,000
27,000
15,000
40,000
20,000
54,000
30.000
80,000120,000160,000200,000
50,000133,000200,000266,000333,000
WARNING: Whenusingathermostatcontroledheater,its
exitareashouldbeprotectedfrompersonnelandwarnings
postedofsuddenstartup.
Model #400FAVT
WIRING DIAGRAM
COLORCODE/LEGEND
B
BLACK
L
BLUE
G GREEN
O ORANGE
R
RED
W WHITE
T_ TERMINALCONNECTION
Ifanyoriginalwiringas
suppliedbytheheatermustbe
replaced,itmustbereplaced
withtypeAWG105°Cwire
oritsequivalentexceptas
indicated(*typeSF2-200,
**SGI250°C).
o
F)*
30
o
40
o
50
o
20,000
27,999
34,000
28,000
38,000
47,000
40,000
54,000
67,000
60,00080,000100,00
80,000107,000133,000
CHASSIS GROUND
MOTOR
T
THERMOSTAT
LINE CORD
Force-Air Propane Construction Heater
Recommended Minimum Gauge
for Cord Extensions
Wire Gauge Chart A.W.G.
Name
Plate 120V
Amps.
5-6
6-8
8-12
10-12
12-14
400FAVT - WIRING CHART
PART
NO.
COLOR
1 100
White
1040
Black
1226
Red-(Hi-Temp)
1226
Red-(Hi-Temp)
1070
Orange
1959
Green
1959
Red
1959
White
1959
Black
CONNECTION DIAGRAM
VALVE
HI-LIMIT
SWITCH
W
T2
W
T3
T4
W
CHASSIS
GROUND
6
Operating Instructions and Owner's Manual
Cord Length in Feet
25
50
100
18
16
14
18
16
12
18
14
12
16
14
10
16
12
10
LENGTH
FROM
7"
Valve
Terminal
connection
6"
On/OffSwitch
Terminal
connection
161/2"
HighLimitSwitch Valve
161/2"
HighLimitSwitch Terminal
connection
1 1"
FlameControl
SparkPlug
(Ignition)
7"
FlameControl
Ground
(Harness)
7"
FlameControl
Terminal
(Harness)
connection
6"
FlameControl
Terminal
(Harness)
connection
6"
FlameControl
Terminal
(Harness)
connection
ELECTRODE
O**
IGNTION
VALVE
LINE
W
NEUTRAL
GROUND
150
12
10
10
8
8
TO