Johnson Controls A19ZBA-1C Data Sheet

A19ZBA Water Chiller Control

Single-Stage Electromechanical Temperature Controls

A19 Water Chiller Control with Locked Cut-Out/Adjustable Cut-In

Description

The A19 Water Chiller Control is a remote bulb
temperature control with limited setpoint
range, adjustable differential, and adjustable
cut-out.

Refer to the A19ZBA Type Temperature
Control Product Bulletin (LIT-121065) for
important product application information.

Features

• adjustable cut-out (38 to 47°F)

• wide differential adjustment range

Accessories

• includes Code No. FTG13A-600R Packing
Nut as standard

• replacement cover: CVR61A-600R

Selection Chart

Product Code
Number

A19ZBA-1C Single-Pole, Single-Throw

Switch
Action

(SPST)
Close high, open low

Range
°F (°C)

38 to 80 (3 to 27) 8 to 40 (4 to 22)

Applications

Use for water chillers.

Repair Information

If the A19 Water Chiller Control with Locked
Cut-Out/Adjustable Cut-In fails to operate
within its specifications, replace the unit. For a
replacement control, contact the nearest
Johnson

Controls®

representative.

Technical Specifications

Maximum bulb temperature is 140°F (60°C).

Electrical Ratings

Motor Ratings VAC 120 208 240

AC Full Load A 16.0 9.2 8.0
AC Locked Rotor A 96.0 55.2 48.0

Non-Inductive or
Resistance Load A
(Not Lamp Loads)

Pilot Duty 125 VA, 24 to 277 VAC

Differential
F° (C°)

Adjustable

16.0 9.2 8.0

Bulb and
Capillary

3/8 in. x 3-7/16 in.
6 ft. capillary

Code No. LIT-1927090

Bulb Well No.
(Order Separately)

WEL14A-602R Knob

Range
Adjuster

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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