LTD HEATER OPERATION

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.

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

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.

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

LOW TEMPERATURE

 

 

 

 

Operating Pressure (PSI)

 

 

 

Diameter

2

4

6

8

10

12

14

16

18

20

 

 

 

 

 

 

 

 

 

 

 

18"

102900

145970

181870

208190

234510

253660

275200

294340

311090

335020

 

 

 

 

 

 

 

 

 

 

 

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

LOW TEMPERATURE

 

 

 

Operating Pressure (PSI)

 

 

 

 

 

 

 

 

 

 

Diameter

1

2

3

4

5

6

7

 

 

 

 

 

 

 

 

18"

144100

205200

250800

289100

322850

353860

383040

 

 

 

 

 

 

 

 

16

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Image 16
Airstream 18 owner manual Btus PER Gauge Pressure PSI Propane Models Approximate