Product Overview
Table Of Contents
- Features and Benefits
- Application Overview
- Installation
- Wiring
- Models A25CN and A25CP
- SPDT (Single Pole Double Throw) Units
- Models A25AN and A25AP
- SPST (Single Pole Single Throw) Units
- Checkout Procedure peration
- Models A25AN and A25CN
- Return Air Applications
- Supply Air Applications
- Models A25AP and A25CP
- Dimensions
- Repairs and Replacement
- Table 1: Ordering Information
- Troubleshooting
- Table 2: Troubleshooting Chart
- Specifications
8 A25 Series Warm Air Control with Manual Reset Product/Technical Bulletin
S
pecifications
Product
A25AN-1 SPST, opens on temperature rise, setpoint knob adjustment.
A25AP-1 SPST, opens on temperature rise, concealed screwdriver adjustment,
Factory Mutual approved.
A25CN-1 SPDT, setpoint knob adjustment.
A25CP-1 SPDT, concealed screwdriver adjustment, Factory Mutual approved.
Range
25 to 215°F (-4 to 102°C)
Electrical Ratings Volts, AC 120 VAC 208 VAC 240 VAC 277 VAC
Motor FLA*
16 9.2 8 -
Motor LRA*
96 55.2 48 -
Noninductive A
16 16 16 16
Pilot Duty: 125 VA at 24/600 VAC
Ambient Temperature
(Maximum)
Case 104°F (40°C)
Element 300°F (149°C)
Conduit Opening
7/8 in. (22 mm) diameter hole for 1/2 in. conduit
Switch
Snap-acting contacts in dust protected enclosure
Cover Finish
Gray baked enamel
High Limit Dial Stop
125°F
Material
Case 0.063 in. (1.6 mm) galvanized steel
Cover 0.025 in. (0.64 mm) cold rolled steel
Mounting
Flange for flat surface
Reset
Positive, trip-free reset mechanism (manual reset 2 operation). Control can be reset when
the temperature drops 20F° (11C°) below the dial setting.
Sensing Element
Bi-metal rod and tube construction
Shipping Weight
Individual pack 1.8 lb. (0.8 kg)
Overpack of 12 units 23 lb. (10.4 kg)
Wiring Connections
Screw-type terminals
Agency Listing
UL Recognized: File MP640, Guide MBPR
CSA Certified: File LR948, Class 4813 02
Factory Mutual Approved (Models A25AP and A25CP only): Class 3545
* FLA = Full Load Amps; LRA = Locked Rotor Amps. Values are equivalent to a 1 HP motor rating in accordance with UL353.
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