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Table Of Contents
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-97
P70, P72, and P170 Series Controls for High Pressure Applications
(Continued)
Standard Electromechanical Pressure Controls
Models for High Pressure Non-Corrosive Refrigerants
2
P70AA-2C SPST Open Low 0 to 150 (0 to 1,034) Minimum 10 (69); Maximum 70 (483) 36 in. Cap. with 1/4 in. Flare Nut 325 psig
(2,241 kPa)
P170AA-2C 1/4 in. External Flare Connector
P70AA-400C 100 to 470
(689 to 3,241)
Minimum 35 (241); Maximum 200 (1,379) 36 in. Cap. with 1/4 in. Flare Nut 690 psig
(4,757 kPa)
P170AA-400C 1/4 in. External Flare Connector
P70CA-400C
1
SPST Open High 200 to 610
(1,379 to 4,206)
Minimum 60 (414); Maximum 150 (1,034) 36 in. Cap. with 1/4 in. Flare Nut
P170CA-400C
1
1/4 in. External Flare Connector
P70DA-400C
1
Manual Reset Lockout 36 in. Cap. with 1/4 in. Flare Nut
P170DA-400C
1
1/4 in. External Flare Connector
Ammonia Compatible Models
P70AA-119C SPST Open Low 50 to 300 (345 to 2,068) Minimum 20 (138); Maximum 120 (827)
1/4 in. SS Internal NPT
400 psig
(2,758 kPa)
P70CA-5C
1
SPST Open-High
50 to 500
(345 to 3,448)
Minimum 60 (414); Maximum 150 (1,034)
525 psig
(3,620 kPa)
P70DA-2C
1
Manual Reset Lockout
P70KA-7C Four-wire, Two-circuit
Line-M1 Close-high
Line-M2 Open High
1. UL Listed as refrigeration pressure limiting controls
2. Compatible with R410A refrigerant.
Selection Chart (Part 2 of 2)
Product Code
Number
Switch
Action
Range
psi (kPa)
Differential
psi (kPa)
Pressure
Connection
Max. Working
Pressure
Note: To order models not listed in the selection chart, please contact
Johnson Controls/PENN Refrigeration Application Engineering at 1-800-275-5676.
Technical Specifications
Single Pressure Controls Switch Action, Low Event, High Event, and Models
Switch and Action Low Event High Event Models
SPST Open Low Cut-Out (Opens Line to M1) Cut-In (Closes Line to M1) P70A, P70B, P170A
SPST Open High Cut-In (Closes Line to M1) Cut-Out (Opens Line to M1) P70C, P70D, P170C,
P170D
SPDT Opens 1 to 2 and closes 1 to 3 Closes 1 to 2 and Opens 1 to 3 P70E, P70F
Four-wire, Two-circuits,
1 N.O., 1 N.C. Open Low
Cut-Out
(Opens M2 to Line and Closes M1 to Line)
Cut-In
(Closes M2 to Line and Opens M1 to Line)
P70G, P70H
Four-wire, Two-circuits,
1 N.O., 1 N.C. Open High
Cut-In
(Closes M2 to Line and Opens M1 to Line)
Cut-Out
(Opens M2 to Line and Closes M1 to Line)
P70J, P70K, P170K
DPST Open Low Cut-Out (Opens M1 to Line and M2 to Line) Cut-In (Closes M1 to Line and M2 to Line) P72A, P72B
DPST Open High Cut-In (Closes M1 to Line and M2 to Line) Cut-Out (Opens M1 to Line and M2 to Line) P72C, P72D