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The performance specifications are nominal and conform to acceptable industry standards. For applications 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. © 2015 Johnson Controls, Inc. www.johnsoncontrols.com
R-37
A19ZBA Water Chiller Control
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
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.
Accessories
includes Code No. FTG13A-600R Packing
Nut as standard
replacement cover: CVR61A-600R
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)
16.0 9.2 8.0
Pilot Duty 125 VA, 24 to 277 VAC
Selection Chart
Product Code
Number
Switch
Action
Range
°F (°C)
Differential
F° (C°)
Bulb and
Capillary
Bulb Well No.
(Order Separately)
Range
Adjuster
A19ZBA-1C Single-Pole, Single-Throw
(SPST)
Close high, open low
38 to 80 (3 to 27) 8 to 40 (4 to 22)
Adjustable
3/8 in. x 3-7/16 in.
6 ft. capillary
WEL14A-602R Knob
Single-Stage Electromechanical Temperature Controls
Code No. LIT-1927090