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10 IaQ series
alternate electrical & Control Connections
SNSR
HUM
WIRE
JUMPER
AC N
AC L
24 V. TRANSFORMER
24V. SOLENOID VALVE
OUTDOOR TEMP. SENSOR
SNSR
HUM
WIRE
JUMPER
AC N
AC L
HUMIDISTAT
24 V. TRANSFORMER
Manual Humidistat
1. To furnace control board 24 volts
2. To constant power using 24V transformer and pressure switch
3. To furnace control board 115 volts with 24V transformer
4. To constant power using 24V relay and current sensing relay
6 720 220 343
alternate electrical & Control Connections
OUTDOOR TEMP. SENSOR
C
AIR PRESSURE SWITCH
ON-OFF SWITCH
24 V. TRANSFORMER
NO
C
PRESSURE SWITCH
24 V. TRANSFORMER
24V. SOLENOID VALVE
HUMIDISTAT
ON-OFF SWITCH
Subject to change without prior notice
NO
L2
115v.
60CY.
(HOT)
ON-OFF SWITCH
L1
FURNACE
COMMON LEAD
CURRENT
SENSING
RELAY
(HOT)
L2
115v.
60CY.
(HOT)
ON-OFF SWITCH
L1
FURNACE
COMMON LEAD
CURRENT
SENSING
RELAY
(HOT)
115v.
60CY.
24V. SOLENOID VALVE
1
C
MULTI
SPEED
HI
BLOWER
LO
MOTOR
C
115v.
60CY.
2
24V. SOLENOID VALVE
3
C
MULTI
SPEED
HI
BLOWER
LO
MOTOR
C
4
Revised 07-12
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