AbsolutAire A11B-1 User Manual

Controls Group 507 E. Michigan Street

P.O. Box 423, Milwaukee, WI 53202 Code No. LIT-1927005

a11s_ltc Less-M/a11-a19 1927005 9thcc:7-5A Refrigeration Temperature Controls Rev:

A11 Series

Low Temperature Cutout Control

a11b1c.tif

A11B-1

a11coil.eps

Mount Coils Horizontally ONLY

a11wire.eps

A11 Ser ies

07/18/97 logo: JCI/Penn left ft: frig right ft: standard Sect# = 0

seQ# = 1

Action on Increase of Temperature

Description

The A11 Series low temperature cutout controls incorporate a 20 foot long, vapor charged, sensing element. The A11 reacts to the coldest 18 inch section of the controls sensing element. The A11 is suitable for

Accessories

• replacement cover: CVR30A-601R

Applications

• low temperature cut-out for coils and/or pipe liquid sensing

To Order

Specify the code number from the following selection chart.

monitoring the face temperature of hot water coils for freeze protection.

Features

• snap-acting switch

• external temperature scale

• easy setpoint adjustment with top or bottom access

Specifications

• ambient temperature of control: 0-140°F (-17.8 - 60°C)

• maximum element temperature: 250°F (121°C)

Electrical Ratings

Motor Ratings VAC 120 208 240

AC Full Load Amp 16.0 9.2 8.0 AC Locked Rotor Amp 96.0 55.2 48.0 Non-Inductive or

Resistance Load Amp (Not Lamp Loads)

Pilot Duty – 125 VA, 24 to 277 VAC

16.0 9.2 8.0

Selection Chart

Code

Number

A11A-1C

A11B-1C

Switch Action

SPST

Open Low

SPST

Open Low

Range

°F (°C)

35 to 45

(2 to 7)

35 to 45

(2 to 7)

Diff F°

(C°)

Manual

Reset

8 (4.4)

(Fixed)

Bulb and Capillary

20 ft of 1/8 in.

O.D. Tubing, 4 ft Cap.

20 ft of 1/8 in.

O.D. Tubing, 4 ft. Cap.

Range

Adjuster

Screwdriver

Slot

Screwdriver

Slot

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.

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