TM 9-2540-205-24&P
TEST PROCEDURES - STEWART-WARNER AND HUPP HEATERS-Continued
ACTION
RESULTS
REMARKS
THINGS TO CHECK
10. Note how long it takes for heater to start.
Model 10560C24, 10560M-75 seconds maximum
All Hupp Models-2 to 4 minutes
For timing purposes, when the outlet air temperature starts going up, the heater has started.
All models-Fuel supply, Ignition system, Flame detector switch
11. Note how long it takes for the flame detector switch to shift the blower motor to full speed.
ModeI 10560C24, 10560M-105 seconds maximum
Models MF510B, MF510C,- 30 to 60 seconds after blower starts at slow speed
MF60A24V, MF60B-24V
All models-Flame detector switch adjustment
12. Note supply current during run cycle.
Model 10560C24-9 to 16 amps
Model 10560M-13 to 19 amps
MF60A-24V, MF60B-24V-15 to 20 amps
Models MF510B, MF510C-10 to 18 amps
All models-Electrical connectors
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