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. © 2011 Johnson Controls, Inc.
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C-2040
Averaging Cumulator
Description
The C-2040 Averaging Cumulator is a low
volume output device designed to operate a
controlled device or receiver-controller by
averaging the output signals of two, three, or
four controllers or transmitters. The Cumulator
produces an output signal equal to the
average of the input signals.
Refer to C-2040 Averaging Cumulator Product
Bulletin (LIT-7171410) for important product
information.
Features
• operates with up to four receiver-
controllers
• averages the output pressure of four
controllers or transmitters
Repair Information
If the C-2040 Averaging Cumulator fails to
operate within its specifications, replace the
unit. For a replacement cumulator, contact the
nearest Johnson Controls® representative.
Selection Charts
C-2040 Averaging Cumulator
Code Number Description
C-2040-1 Averaging Cumulator
Accessories for C-2040
Code Number Description
R-3710 Series .007 in. Restrictor
F-300-30 1/4 x 5/32 in. Coupler (100 pk)
F-300-34 1/4 x 5/32 in. Coupler (10 pk)
Technical Specifications
C-2040 Averaging Cumulator
Supply Pressure Maximum of 25 psig (175 kPa)
Input Pressure 0 to 20 psig (0 to 140 kPa) from Two, Three, or Four Controllers or Transmitters
Accuracy ± 0.6 psi (4.2 kPa) @ 10 psi (70 kPa) Pilot Differential
Air Connections Barbed Fittings for 5/32 in. O.D. Polytubing
Code No. LIT-1921205
Issued January 15, 2008
.
C-2040 Averaging Cumulator