Btu's Per Gauge Pressure (Psi) Propane Models (Approximate); Btu's Per Gauge Pressure (Psi) Natural Gas Models (Approximate) - Airstream 18 Owner's Manual

1. Check to see if high limit con-
trol is in the down position.
2. Open fuel valves between tank
and heater.
3. Turn the heater power switch to
ON by toggling the ON/OFF
switch to ON position.

BTU'S PER GAUGE PRESSURE (PSI) PROPANE MODELS (APPROXIMATE)

2
Diameter
102900 145970
18"

BTU'S PER GAUGE PRESSURE (PSI) NATURAL GAS MODELS (APPROXIMATE)

Diameter 1
18" 144100
16
LTD HEATER OPERATION
4. For prolonged shutdown close the
tank or supply valve and allow
flame to burn until all the gas is
out of the line (the flame dies out).
5. If any problems occur refer to
the service section of this
manual and follow the proce-
dure described. Some common
LOW TEMPERATURE
Operating Pressure (PSI)
4 6 8
181870 208190
LOW TEMPERATURE
2 3
205200 250800
10 12
234510 253660 275200
Operating Pressure (PSI)
4
289100 322850
problems are:
a. Humidistat and /or ther-
mostat is not set high
enough.
b. Pressure regulator is not
open.
c. Supply valve is not open.
d. High limit button is not
pushed in.
14 16 18
294340 311090
5 6
353860
20
335020
7
383040