Rapid 4044, Installation, Operation & Service Manual

Page: 153 / 162

SECTION 25: RAPID ® 4000-S
ERIES
S
TART
-U
P
P
ROCEDURES
145 of 154
G. Operational Checks- Fan Operation
__ Fan rotation is correct. (See rotation sticker in the u nit.)
__ Check and record the follo w ing:
Volts (Fan Off) Phase 1-2 ___ Phase 2-3 ___ Phase 1-3 ___
Volts (Fan On) Phase 1-2 ___ Phase 2-3 ___ Phase 1-3 ___
R u nning Amps Phase 1 ___ Phase 2 ___ Phase 3 ___
Differential press u re drop across b u rner. (Meas u red at AFS t u bing test ports.) 20% OA ___ 100% OA ___
H. Operational Checks- Burner Operation
Inlet Standing Gas Press u re (in. w .c.) _____________________________________________________
___ Pilot is approximately the size of a baseball.
Pilot Line Press u re (in. w .c.) _____________________________________________________________
Flame Signal Relay (VDC) ______________________________________________________________
___ Lo w re gas press u re prod u ces a minim u m contin u o u s ribbon of flame.
B u rner High Fire Gas Press u re (in. w .c.) ___________________________________________________
Forced High Fire Inlet Gas Press u re (in. w .c.) _______________________________________________
Forced High Fire Mod. Gas Val v e Volts (VDC) _______________________________________________
High Fire B u rner Flame Length (in.) _______________________________________________________
Flame Color _________________________________________________________________________
___ Lo w airflo w s w itch opens on press u re drop. (Setpoint at .2" w .c.)
___ High airflo w s w itch opens on press u re rise. (Setpoint at 1.35" w .c.)
___ High temperat u re limit s w itch opens on temperat u re rise.
___ Lo w gas press u re limit s w itch opens on press u re fall.
___ High gas press u re limit s w itch opens on press u re rise.
___ Manifold gas leak test.
___ B u rner responds properly to room temperat u re setpoint changes.