(
06/06
)
STE
SERIES
Installation, Operation & Maintenance Manual
18
HC-101 and HC-201 Wall and Duct Humidistats
Mounting the HC-101 room humidistat:
Mount the HC-101
humidistat to an inside wall or post in the area to be humidified.
Position it so that no drafts from registers or outlets are blowing
on it. Be sure that it is not placed over a device that could gener-
ate heat or vapor ie: stove, machinery, cleaning vat. The unit has
three wire leads, Orange, Brown and Red. Use the Orange and
Brown leads for control operation. Use the Orange and Red leads
for hi-limit operation.
Mounting the HC-201 duct humidistat:
Cut a
hole in the side of the duct and mount the HC-201 humidistat to the duct, using the screws provided, at least 6 feet
down stream of any live steam or mist. The unit has three wire leads, Orange, Brown and Red. Use the Orange and
Brown leads for hi-limit operation.
Wiring Diagram
TABLE 1. SPECIFICATIONS
TABLE 2. MAXIMUM ELECTRICAL RATINGS
Part
No.
Type Scale
Range
%RH
Diff.
%RH
Operating
Limits
°F (°C)
Shipping
& Storage
°F (°C)
Connection Cover
Dimensions
In. (mm)
HC-101
Wall
10 to 90
5
40 to 125
(4 to 2)
-40 to 140
(-40 to 60)
6" (150 mm)
color coded
leads
Beige
plastic
4-3/8 x 2-7/8 x 1-5/8
(111 x 73 x 41)
HC-201
Duct
15 to 95
5
40 to 125
(4 to 2)
-40 to 140
(-40 to 60)
Coded
screw
terminals
Metal
4-3/4 x 6-1/2 x 2-1/4
(121 x 165 x 57)
Part No.
AC Volt
50/60 Hz
FLA LRA
Resistive
Amps
Pilot Duty
VA
24 - - 8 60
120 7.2 43.2 8 345
HC-101
HC-201
240 3.6 21.6 8 345
Brown (N.O.)
Red (N.C.)
Brown makes on
Drop in R.H.
drop in humidity
Orange
Common
