
H46C-F HUMIDITY CONTROLLERS
60-2097—03 2
Electrical Rating (A at 50 or 60 Hz):
aH46F model available with 8 or 12 A resistive rating at
120 Vac.
Set Point Adjustment: Control knob on face of controller.
Switching: Enclosed, dust-proof, snap-acting, spst switch.
Sensing Element: Nylon ribbon.
Differential: Nonadjustable, 5 ±1 percent RH.
Maximum Ambient Temperature: 125 ° F (52 ° C).
Mounting Means:
H46C,D—Mounts on vertical switch box with adapter plate.
H46E,F—Mounts directly on wall with two screws through
keyhole slots in back of case.
Cover Dimensions: See Fig. 1 and 2.
Cover Finish: Silver bronze.
Cover Material: Molded plastic.
Underwriters Laboratories, Inc., Listed: File No. E4436;
Guide No. XAPX.
Canadian Standards Association Listed: File
Fig. 1. Dimensions in in. [mm in brackets] for H46C,D.
Fig. 2. Installation Dimensions in in. [mm in brackets] for
H46E,F.
INSTALLATION
When Installing This Product…
1. Read these instructions carefully. Failure to follow the
instructions can damage the product or cause a haz-
ardous condition.
2. Check the ratings given in the instructions and on the
product to make sure the product is suitable for your
application.
3. Installer must be a trained, experienced service tech-
nician.
4. After installation is complete, check out product
operation as provided in these instructions.
Disconnect power supply before beginning
installation to prevent electrical shock or
equipment damage.
MOUNTING
Follow manufacturer’s instructions, if available. Otherwise
proceed as follows. The H46C,D,E,F mount on a wall at a
location that will best sense the relative humidity of the
room. The H46C and D models must be mounted with the
adapter plate on a vertical switch box. H46E and F models
mount with two screws in keyhole slots in back of case.
WIRING
All wiring must comply with local codes and ordinances.
For Mildew Control and
Dehumidification
Vacation homes that are unoccupied during the hot, humid
Florida summer are an invitation to mildew. The common
cure is to simply select a moderate thermostat setting and
Table 1. HC46C,E
H46C,E
120 Vac
H46C (only)
240 Vac
Full Load 7.5 3.8
Locked Rotor 30.0 15.0
Table 2. HC46D,F
H46D,Fa
120 Vac
H46D
240 Vac
Full Load 4.4 2.2
Locked Rotor 26.4 13.2
Resistive 12.0 6.0
Pilot Duty 50 VA at 24 Vac
M38697
17/32 (14)
4-21/32
(118)
3-1/4
(83)
2-15/16
(75)
1-3/8
(35)
1/2
(13)
1-15/32
(37)
1/4
(6)
M38698
7/8
(22)
4-21/32
(118)
1-7/8
(48)
2-15/16
(75)
1-3/8
(35)
1/2
(13)
1/4
(6)
1-15/32
(32)
3/16 (5)