Product Overview
Table Of Contents
- Features and Benefits
- Introduction Table 1: Humidity Settings
- Installation
- Supplies Needed
- Location Considerations umidity Settings
- Dimensions
- Mounting and Wiring
- Optional Horizontal Faceplate Installation
- Wiring Diagrams
- Range Stops
- High Range Stop
- Low Range Stop
- Dial Lock
- Checkout Procedure
- Repairs and Replacement
- Ordering Information
- Table 2: Ordering Information
- Accessories
- Brand Name Faceplates
- Humidistat Guards
- Concealed Adjustment Faceplates
- Table 3: Optional Accessories
- Replacement Parts
- Table 4: Replacement Parts
- Specifications
8 W43A Humidistat Product/Technical Bulletin
S
pecifications
Product
W43A-14C Humidistat
Contact Ratings 120 VAC 208 VAC 240 VAC
Full Load Ampere 6.0 3.5 3.0
Locked Rotor Ampere 36.0 21.0 18.0
Pilot Duty 125 VA at 24/277 VAC
Measurement Range
0 to 70% RH
Differential
Fixed at approximately 6% RH
Contact Action
SPDT
Switch
Snap-acting Contacts in a Dust-protected Enclosure
Sensing Element
Selected Human Hair
Material
Base: 0.050 in (1.27 mm) Cold Rolled Steel
Cover: Beige Thermoplastic
Finish
Base: Zinc Plate Dichromate Dipped
Cover: Brown Markings on Gold Anodized Aluminum
Mounting
Vertical or Horizontal 2 x 4 in. (51 x 102 mm) Wall Box
Wiring Terminals
Large 8-32 x 1/4 in. Binder Head Screws
Minimum Ambient
Temperature
40
°
(4.4
°
C)
Maximum Ambient
Temperature
100
°
F (38
°
C)
Agency Listings
UL Guide No. XAPX; File E6688
CSA Class No. 4813 02: File LR948
Dimensions (H x W x D)
4.71 x 2.96 x 2.94 in. (120 x 75 x 75 mm)
Shipping Weight
0.9 lb (0.4 kg)
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these specifications,
consult the local Johnson Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products.
Controls Group
507 E. Michigan Street
P.O. Box 423
Milwaukee, WI 53201 Printed in U.S.A.