Johnson Controls A25 Series Data Sheet

A25 Series

Action on Increase

of Temperature

Y

B

R

a25.eps

A25 Series Action Diagram

A25AP-1 Warm Air

Limit Control

A25AN-1 Warm Air

Limit Control

Single-Stage Electromechanical Temperature Controls

A25 Series Warm Air Limit Control with Manual Reset

Description

The A25 Warm Air Control Locks
out on a temperature increase to
the control setpoint. Manual reset
is required before the electrical
contacts can be reclosed.

The A25 Control is normally
located in a return air duct and is
wired to shut down air
conditioning or ventilating fans
when the temperature of the air
becomes excessively hot.

Refer to the A25 Series Warm Air

Control with Manual Reset

Product Bulletin (LIT-125118) for

important product application
information.

Applications

Use for high temperature cut-out.

Features

• trip-free reset lever does not permit restarting until the reset lever is
manually released

• the rod and tube type sensing element provides positive control
action

Repair Information

If the A25 Series Warm Air Limit Control with Manual Reset fails to
operate within its specifications, replace the unit. For a replacement
control, contact the nearest Johnson

Controls®

representative.

Code No. LIT-1927105

Technical Specifications

The maximum element temperature is 300°F (149°C).

Electrical Ratings

Motor Ratings VAC 120 208 240 277

AC Full Load A 16.0 9.2 8.0 –
AC Locked Rotor A 96.0 55.2 48.0 –
Non-Inductive A 16.0 A at 120/277 VAC
Pilot Duty 125 VA, 24 to 600 VAC

Selection Chart

Product Code
Number

A25AN-1C Single-Pole,

A25CN-1C Single-Pole,

A25AP-1C SPST

A25CP-1C SPDT 25 to 215

The performance specifications are nomina l and con form to accep table ind ustry stand ards. For applicati ons at con ditions be yond these specification s, consult th
Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2015 Johnson Controls, Inc.

Switch
Action

Single-Throw
(SPST),
Open high

Double-Throw
(SPDT)

Range
°F (°C)

25 to 215
(-4 to 102)

25 to 215
(-4 to 102)

Range
Adjuster

Knob High limit

Knob High limit

Factory Mutual Approved Models

Open high

25 to 215
(-4 to 102)

(-4 to 102)

Concealed
screwdriver slot

Concealed
screwdriver slot

Dial Stop
°F (°C)

set at 125 (52)

set at 125 (52)

High limit
set at 125 (52)

High limit
set at 125 (52)

R-39