Delta F-25 User Manual download pdf (Page 46)

41

Start-Up Procedures

A combustion test must be performed

after any burner adjustments are made.

Allow the unit to operate for approxi-

mately 10 minutes after adjustment

before measuring any combustion levels.

Failure to comply with these procedures

could result in severe personal injury,

death or substantial property damage.

 Check overfire draft

The overfire draft should measure typi-

cally (-) 0.01” w.c to(-) 0.02” w.c in the

combustion chamber. Refer to Triangle

Tube’s Burner Specification for actual

measurements.

 Measure Input - Natural Gas Only

1. Operate the unit for approximately 10

minutes.

2. Turn off all gas appliances within the

building.

3. At the gas meter, record the time

required to use one cubic foot of gas.

4. Calculate gas input using the following

equation:

3600 x 1000 / number of second record-

ed for one cubic of gas = BTU/H.

5. The BTU/H calculated should approxi-

mate the input rating listed on the unit.

WARNING

Natural Gas Propane Oil

O2 Min. 3.00% 3.00% 4.60%

O2 Max. 5.00% 5.00% 6.00%

CO2 Min 9.00% 10.50% 11.00%

CO2 Max 10.00% 12.00% 12.00%

Table 2: Recommended Combustion Levels

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 56 57

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