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OPTIONAL:
AIR FLOW PROVING SWITCH
#4592
Connect 1/4" plastic tubing from
H (High) side of proving switch
to the airflow sensing probe
located 1.5 duct diameters
downstream of blower. Leave L
(Low) side open to atmosphere.
OPTIONAL:
HIGH HUMIDITY LIMIT
SWITCH #4594
Switch breaks C to NC
connection when measured
RH is above setpoint RH.
ON
C
NO
NC
C
NO
NC
BLU / YLW
BLU / WHT
YLW (C)
R
C
W
G
Y
Y
G
W
C
R
BLU (NC)
ORG (NO)
4851
HUMIDISTAT
TERMINAL
THERMOSTAT FURNACE
REMOVE
+24V
IN
GND
1
2
6
7
8
14
15
16
ADMC
1
2
3
4
STEAM HUMIDIFIER
DIP SWITCH
POSITION FOR
ON/OFF CONTROL
FAN PACK
TERMINAL
BLOWER
ACTIVATION
RELAY
STEAM
HUMIDIFIER
FIGURE 6 – ADMC with 800/801 non-modulating (On/Off)
90-1996
NOTE: MODEL 800 HUMIDISTAT TERMINAL ONLY HAS TWO
POSITIONS, +24V AND IN. PLACE ADMC JUMPER J2 IN THE
RIGHT POSITION. SEE “JUMPER SETTINGS” ON PAGE 7.
SET UP
INTERFACE
Symbols on Display
Humidification ON
33, 66, 100% output
Dehumidification ON
33, 66, 100% output
Percentage of humidity
or
°C: Celsius scale
°F: Fahrenheit scale
Menu set-up Lock
Programming mode
(Technician setting)
Alarm status
CAUTION
Risk of Damage
Disconnect power to humidistat prior to separating humidistat from its base.
1110
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