Johnson Controls A72AA-4C Data Sheet

A72AA-4 Thermostat

Single-Stage Electromechanical Temperature Controls

A72AA Coiled Bulb Space Thermostat (Cooling)

Code No. LIT-1927150

Description

The A72 is a space sensing temperature control with heavy-duty contacts.

Refer to the A72 Series Temperature Controls

for Cooling Towers and Evaporative Condensers with Weather Resistant

Enclosure Product Bulletin (LIT-125165) for

important product application information.

Applications

Use for compressor cycling for walk-in coolers and freezers.

Features

Double-pole, single-throw (DPST) contact block contains two isolated sets of contacts that make or break simultaneously.

Repair Information

If the A72AA Coiled Bulb Space Thermostat

operate within its specifications, replace

fails to

the unit. For a replacement thermostat, contact

the nearest Johnson

Controls®

representative.

Accessories

For replacement cover, order code number

CVR17A-620R.

Selection Chart

Product Code Number

A72AA-4C DPST

Switch Action

Close high, open low

Range °F (°C)

15 to 55 (-9 to 13)

Differential F° (C°)

3 to 30 (1.7 to 17)

Bulb and Capillary

Coiled copper bulb

Range Adjuster

Screwdriver slot

Technical Specifications

Maximum bulb temperature is 200°F (93°C).

Electrical Ratings

Motor Ratings VAC 120

Horsepower 233555 AC Full Load Amperes 24.0 24.0 24.0 15.0 15.9 15.0 AC Locked Rotor Amperes 144.0 144.0 144.0 90.0 95.4 90.0 AC Non-Inductive Amperes 24.0 24.0 24.0 – – – DC Non-Inductive Amperes 3.0 – 0.5 – – – Pilot Duty 125 VA, 120 to 600 VAC; 57.5 VA, 120 to 300 VDC

1. These full load and locked rotor ampere (not horsepower) ratings apply to hermetic compre ssors only.

Single-Phase

208

240

Single-Phase

220

Two -Ph ase

208

Three-Phase

220

Three-Phase

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.

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