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Model GFX3 Humidistat Installation Manual
GFX3 Locations
Outdoor Sensor Location
YES!
•
North Wall
•
East Wall
•
Over Snow Wall
•
Inlet of Air Intake
•
Less Than 200 Feet From
Humidistat
NO!
•
South Wall
•
West Wall
•
Below Snow
•
Deep in Intake
•
More than 200 Feet From
Humidistat
Wiring
Wiring The
Outdoor
Sensor
Wiring To
Fan Power
Humidifier
Wiring To
Elite Steam
Humidifiers
Wiring To
24V
Humidifier
Specifications
•
Voltage:
20-30VAC, 60 Hz
•
Switching Load:
1 AMP Max. 30 Volt
•
Outdoor Sensor:
Max 200 Feet / 61 Meters
Resolution, Temp or RH 1° or 1%.
•
Relay Close:
Setting - 1%RH
•
Relay Open:
S1%RH
Automatic Mode
•
Control Range:
10% - 60% RH
•
Outdoor Temperature:
-10°F / - 23°C Min.
Manual Mode
•
Control Range:
10% - 75% RH
•
Accuracy -RH:
(77°F / 25°C - 20% - 80% ± 4% RH)
•
Accuracy Drift Per Year:
±0.5%RH
•
Accuracy Indoor Temp.:
± 2°F, ±1°C
•
Accuracy Outdoor Temperature:
±2°F, ±1°C
YES!
YES!
YES!
YES!
YES!
1" Hole
If wires are run inside wall,
drill hole for wire.
Wall base has vents.
Secure the base with the two
plastic anchors and screws.
1" Hole
Duct base: no vents.
If wires are run inside duct,
drill hole for wire.
Secure the base with the
two sheet metal screws.
Duct
Installation
Wall
Installation
SPLICES: NO MORE
THAN ONE PER LEAD.
200 FEET MAX.
NOTE: Separate sensor leads from
line voltage wires by at least 4 inches.
FIELD
SUPPLIED
SNSR
1
SNSR
2
HUM
1
HUM
2
AC
N
AC
L
SNSR
1
SNSR
2
HUM
1
HUM
2
AC
N
AC
L
CONSTANT
24 VOLTS
YELLOW
YELLOW
120 VOLTS
SWITCHED
W/ FURNACE
OPERATION
SNSR
1
SNSR
2
HUM
1
HUM
2
AC
N
AC
L
CONSTANT
24 VOLTS
24 VOLTS
SWITCHED
W/ FURNACE
OPERATION
24 VOLT HUMIDIFIER
SOLENOID VALVE O
SNSR
1
SNSR
2
HUM
1
HUM
2
AC
N
AC
L
N2
GND
N1
AB
AB
GND
IN
NO
C
NC
C
NO
GND
24V
EX
T
FA
N
ALARM
Max Operating Temperature: 99°F
