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PRODUCT DATA
68-0064-02
H4600A,B; H6600B
HUMIDITY CONTROLLERS
APPLICATION
These humidity controllers provide automatic switching
control of humidification or dehumidification equipment.
They are typically used in appliance units such as portable
humidifiers and dehumidifiers, furnace powered
humidifiers, fan ventilation units, etc.
FEATURE
• Long nylon ribbon sensing element provides high
driving force to assure reliable operation, even under
changing ambient temperature conditions.
• Sturdy steel case has corrosion resistant plating.
• Phenolic housing encloses the snapacting switch
with 1/4 in. quick-connect terminals. Switch rated
for line voltage and pilot operation.
• Shaft for adjusting the control point located on either
the end or face of device.
• Positive ON and OFF setting positions permit manual
operation of the controlled equipment.
SPECIFICATIONS
IMPORTANT
The specifications given in this publication do not
include normal manufacturing tolerances. There-
fore, this unit may not match the listed specifica-
tions exactly. Also, this product is tested and
calibrated under closely controlled conditions, and
some minor differences in performance can be
expected if those conditions are changed.
Models:
Electrical Ratings (A at 50/60 Hz):
Set Point Adjustment:
External flat shaft on end or face of control.
H4600A End Shaft
H4600B Face Shaft
Model
System Control
Scale Range (RH)
H4600A
Dehumidifier
20-80%
H4600B
Humidifier
10-60%
H6600B
Humidifier
10-60%
H4600A
H4600B
120 Vac 240 Vac 120 Vac 240 Vac
Full Load
10.0
5.0
4.4
2.2
Locked Rotor
45.0
22.5
26.4
13.2
Resistive
12.0
6.0
12.0
6.0
Pilot Duty
50 VA at 24 Vac to 240 Vac
H6600B
120 Vac
240 Vac
Full Load N.O. to C
4.4
2.2
Full Load N.C. to C
3.0
1.5
Locked Rotor N.O. to C
26.4
13.2
Locked Rotor N.C. to C
18.0
9.0
Resistive N.O. to C
12.0
6.0
Resistive N.C. to C
3.0
1.5
Pilot Duty
50 VA at 24 Vac to 240 Vac