Product Overview

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. © 2006 Johnson Controls, Inc.
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A19DAC-1
A19
Hot Water Temperature Control with Strap-On Mount
Code No. LIT-1927065
Issued July 1, 2006
Description
A SPDT, strap-on, surface type hot water
control for direct or reverse action. Can be
used as either an open high control or an open
low control.
Features
• terminals are color-coded to simplify
installation
• can be mounted on either a horizontal or a
vertical rise pipe
• the insulated back portion of the case
minimizes the effects of ambient
temperature
• the SPDT switch action for high or low
temperature detection
• supplied with convertible range adjuster,
which provides either knob or screwdriver
adjustment
Applications
Use for automatic changeover control for fan
coil systems.
Selection Chart
Note: Replaces White-Rodgers 1127-2. The A19DAC-1 is not for use as a limit control.
Code
Number
Switch
Action
Range °F (°C) Diff F° Fixed (C°) Mounting
A19DAC-1C SPDT 100 to 240 (38 to 116) 10 (5.6) Clamp-on Strap Supplied
Technical Specifications
• maximum case-ambient temperature:
131°F (55°C)
• maximum sensing element temperature:
250°F (121°C )
Electrical Ratings
Motor Ratings VAC 120 240
AC Full Load Amp 10.0 6.0
AC Locked Rotor Amp 60.0 36.0
AC Non-Inductive Amp 10.0 6.0
Pilot Duty–125 VA, 24 to 240 VAC