Aerovent IM-500 User Manual
Page 24
15. Gas supply to unit: Natural Propane
Gas supply pressure to unit:
"
w.c. psig
16. Mount UV sensor on sighting tube (shipped loose to prevent damage).
17. Check gas supply pressure at manifold and compare to gauge marking (max pressure 5 psi).
18. Check all piping including internal to burner for gas leaks with soapy water test.
19. Pressure regulators and vent valves are vented to outside area (installing contractor responsibility on inside
units).
20. Check to be sure manual resets on gas pressure switches have been manually reset and set point are correct.
21. Electric supply to unit: Volts Hz Phase. Verify that motor name plate and control panel agree
with supply voltage, phase, and hertz.
22. Make sure all hand gas shut-off cocks are
in closed position.
23. Energize main control panel by engaging main disconnect.
24. Set selector switch to summer and turn start switch to on position. When starter kicks in after damper
opens, turn off immediately and check to see if blower wheel is rotating in correct direction.
25. Inlet and/or discharge dampers operating correctly with no binding?
26. Blower speed: Hi Speed RPM, Lo Speed RPM
27. Motor speed: Hi Speed RPM, Lo Speed RPM
28. Is unit excessively noisy? Dba
29. Motor voltage: L1 V, L2 V, L3 V
30. Motor amps: High Speed L1 Amp, L2 Amp, L3 Amp
Low Speed L1 Amp, L2 Amp, L3 Amp
31. Is there excessive vibration? Yes No
CONTACT FACTORY IF “YES”
32. Switch selector to winter position and open manual shut-off cocks to main gas and pilot lines.
33. Pilot sensor volts: UV (Volts D.C. 1.25 to 5 Volts D.C.). Measure at RM7895 relay terminals.
34. Burner observation and adjustments. Reference Maxitrol operating description on page 9.
Adj. Hi Fire: Burner pressure reading
"
w.c.
Adj. Lo Fire: Does entire burner exhibit flame?
Yes No
Is flame clean and stable? Yes No
Review Maxitrol bulletin for adj. high and low fire
35. Flame safeguard functioning correctly.
Time required to go into lockout: Seconds