Honeywell HE440A - Wiring Diagram

HE440A, HE480A STEAM POWER HUMIDIFIER
68-0265EF-1 10
WIRING DIAGRAM
CAUTION
Line Voltage and High Temperature Hazard.
Can cause personal injury.
Only a qualified contractor should troubleshoot and
repair steam power humidifiers.
The internal wiring diagram is provided to assist service
technician troubleshooting and repair. See Fig. 14.
Fig. 14. Internal wiring diagram for empty-state reservoir.
LOW WATER
CUT OFF
LOW LEVEL
FILL TANK
HI LEVEL
TANK FULL
K4 K3 K2 K1
BLUEBLUE
RED
N
O
NO
NC
NC NC NO
WHITE
HUMIDISTAT
THERMAL
SAFETY
SWITCH
OVER
110 C
CUT OFF
BLUE BLUE
BLUE
YELLOW
YELLOW
BROWN
YELLOW
BLACK
BLACK
WHITE
WHITE
GREEN
K2-1
K1-1
K3-1
K4-1
BLACK
BLACK
VARISTOR
150V (HE440
)
275V (HE480
)
BLACK
REED
SWITCH
REED
SWITCH
BLACK
BLACK
REED
SWITCH
BLACK
BLACK
120 VAC
NEMA 5-15P
(HE440)
OR
240 VAC
NEMA 6-15P
(HE480)
LIGHT
HEATING
ELEMENT
1500W (HE440)
OR
2000W (HE480)
TRANSFORMER
120V/24V (HE440)
OR
240V/24V (HE480)
THERMAL FAN CONTROL
76 C ±5 C ON
55 C ±8 C OFF
SOLENOID WIRING
FAN WIRING
M20338C
STP-1 AWG 18-2C
105 C 300V 5 FT.
STP-1 AWG 18-2C
105 C 300V 20 FT.