Fault Codes Diagram - Honeywell HM750 Installation Instructions Manual

ELECTRODES
TO CARTRIDGE
GND
J10
FUSE
T2A 250V
VOLTAGE SELECTION
120VAC
240VAC
TRANSFORMER
FAULT CODES
NUMBER OF FLASHES INDICATES FAULTS
TO CLEAR FAULTS, PRESS AND HOLD POWER BUTTON FOR FIVE SECONDS
1. EXCESSIVE CURRENT
2. FILL/DRAIN ERROR
3. INSUFFICIENT CURRENT
4. PCB ERROR
3. WRONG VOLTAGE SELECTION
FLASHING IDLE LED - AIR PROVING ERROR (MAKE SURE AP IS MET OR CLOSED)
Fig. 34. Wiring diagram.
MAIN SUPPLY
L1 L2/N GND
AIR PROVING
J14 AIR PROVING SW
HUMIDISTAT
24VAC
COM
HUMIDISTAT
EXTERNAL
GT
RF
GF
IDLE LED
FILLING LED
HUMIDIFYING LED
DRAINING LED
CYLINDER
LED
FAULT LED
ON/OFF/DRAIN/FAULT RESET BUTTON
27
HM750A1000
ORANGE
BLACK
BLACK
STEAM CARTRIDGE
BLACK
BLUE
FILL VALVE
RED
YELLOW
DRAIN VALVE
M37217
33-00289—01