Brochure
Table Of Contents
- Refrigeration Products Catalog, PUBL-5510
- Product Catagories
- Table of Contents
- Code Number Index
- Single-Stage Electromechanical Temperature Controls
- A11 Series Low Temperature Cutout Controls
- A19 Series Remote Bulb Control
- A19 Series High Range Temperature Control
- A19 Series Thermostat for Crop Drying
- A19 Series Hot Water Temperature Control (Well Immersion)
- A19 Temperature Control Less Enclosure (SPDT, Close Differential
- A19 Series Thermostat for Hazardous Locations
- A19 Series Coiled Bulb Space Thermostat
- A19 Thermostat for Portable Heaters (Chain Mount and Drop Cord Electrical Connection)
- A19 Thermostat for Portable Cooling Applications (Chain Mount and Drop Cord Electrical Connection)
- A19 Series Automatic Changeover with Strap-On Mounting
- A19D Series Surface Mounted Temperature Control
- A19 Flange Mounted Duct Thermostat
- A19 Series Fan or Cutout Control (Liquid Expansion Bulb)
- A19ANC-1 Temperature Control with Rainproof Enclosure
- A19 Agricultural/Industrial Thermostat with NEMA 4X Enclosure
- A19 Industrial Thermostat (Watertight and Dusttight)
- A19 Temperature Control with NEMA 4X Enclosure (Remote Bulb)
- A19 Water Chiller Control with Locked Cut-Out/Adjustable Cut-In
- A19 Defrost Duration and Fan Delay Control
- A25 Series Warm Air Limit Control with Manual Reset
- A70 Series Four-Wire, Two-Circuit Temperature Control
- A72 Series Two-Pole Heavy Duty Temperature Controls (Adjustable Differential)
- A72 Series Cooling Tower or Evaporative Condenser Controls (Single-Stage Temperature Control with Outdoor Enclosure)
- A72AA Coiled Bulb Space Thermostat (Cooling)
- Single-Stage Electronic Temperature Controls
- A421 Series Electronic Temperature Controls
- A421 Series Electronic Temperature Controls with Integral Power Cord
- A421 Series Electronic Temperature Controls with Off-Cycle Defrost
- A421 Series Electronic Temperature Controls with Integral Cycle Timer
- MR Series Defrost Control Modules
- MR4PMUHV Electronic Temperature/Defrost Control with Relay Pack
- Multi-Stage Electromechanical Temperature Controls
- A28 Series Two-Stage Temperature Control
- A28 Series Two-Stage Flange Mounted Duct Thermostat
- A28 Two-Stage Industrial Thermostat (Watertight and Dusttight)
- A28 Two-Stage Temperature Control with Weatherproof Enclosure
- A28 Two-Stage Agricultural Thermostat with NEMA 4X Enclosure
- A36 Series Four-Stage Remote Bulb Thermostats
- S26 Series Switching Subbase
- T22/T25/T26 Series Line Voltage Wall Thermostat (Heating, Cooling, or Heating and Cooling)
- Typical Wiring Diagrams and Electrical Ratings for Line Voltage Thermostats
- T23 Series Fan Coil Thermostat (with Fan and System Selectors)
- T28 Series Fan Coil Thermostat (with or without Fan Selector Switches)
- T46 Series Fan Coil Thermostat
- Multi-Stage Electronic Temperature Controls
- Temperature Control Sensors and Accessories
- Standard Electromechanical Pressure Controls
- P10 Series Low Pressure Control
- P20 Series Air Conditioning/Pressure Cutout Control
- P29 Series Low Pressure Control with Time Delay
- P47 Series Steam Pressure Limit Control
- P67 Series Low Pressure Control
- P70, P72 Approximate Low Pressure Settings for Typical Applications
- P70, P72, and P170 Series Controls for Low Pressure Applications
- P70, P72, and P170 Series Controls for High Pressure Applications
- P70, P72, and P170 Series Controls for Dual Pressure Applications
- Single-Stage Electronic Pressure Controls
- Electromechanical Lube Oil and Differential Pressure Controls
- Electronic Lube Oil and Differential Pressure Controls
- Pressure Sensors and Accessories
- Refrigerant Sensors/Monitors
- Liquid Level and Flow Controls
- Motor Speed Controls
- Valves and Valve Accessories
- V43/V243 Series Pressure-Actuated Water-Regulating Valves
- V46 Series Pressure Actuated Water Regulating Valve
- V46N Series Reverse Acting Valve
- V46 Series Valve Sizing Information-90% Open Method
- V46 Series Valve Dimensions
- V47 Series Temperature Actuated Modulating Valve
- V47N Series Reverse Acting Valve
- V48 Series Three-Way Water Regulating Valve
- V146 Series Two-Way Pressure-Actuated Water-Regulating Valves
- V148 Series Three-Way Pressure-Actuated Water-Regulating Valves
- V246 Series Two-Way Pressure-Actuated Water-Regulating Valves for High-Pressure Refrigerants
- V248 Series Three-Way Pressure-Actuated Water-Regulating Valves for High-Pressure Refrigerants
- STT Water Valve Renewal Kit for V46, V47, and V48 Series Valves
- Companion Flanges and Gaskets for V43, V46, and V47 Series Valves
- Relays and Transformers
- System 450 Control Series
- System 450™ Series Modular Controls
- System 450™ Series Control Module with Network Communications
- System 450™ Reset Control Modules with Real-Time Clock and Relay Output
- System 450™ Control Modules with Analog Output
- System 450™ Control Modules with Relay Output
- System 450™ Control Module with Hybrid Analog Output
- System 450™ Expansion Modules with Analog Output
- System 450™ Expansion Modules with Relay Output
- System 450™ Power Module
- System 450™ Compatible Sensors, Transducers, and Accessories
- Cross-Reference
- HVACR Product Offerings
- Sales Contact Information
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-86
P20 Series Air Conditioning/Pressure Cutout Control
Description
The P20 Series are field replacement high and
low pressure controls for non-corrosive
refrigerants. They include a dust-tight contact
unit with quick connect connectors, and a
36 in. or 42 in. capillary with 1/4 in. sweat
section. The setpoint is screwdriver
adjustable.
Refer to the P20, P21 Series Air Conditioning
Limit Controls Product Bulletin (LIT-125415)
for important product application information.
Control action is identified by
colored sealing compound or terminal markings on switch.
p20spst.eps
SPST
Construction
SPDT
Construction
Seal
White: Open Low Control
Red: Open High Control
Red
Red
Blue
(Open High)
Blue
(Open High)
Yel l ow
(Open Low)
Yel l ow
(Open Low)
Low Range
High Ranges
Features
• accurate repeatability
• compact size
• trip-free manual reset
Applications
• air conditioning high/low pressure control
• refrigeration high/low pressure control
• head pressure control
Repair Information
If the P20 Series Air Conditioning/Pressure
Cutout Control fails to operate within its
specifications, replace the unit. For a
replacement control, contact the nearest
Johnson
Controls®
representative.
Selection Chart
Product
Code
Number
1
1. Mounting bracket supplied on all models.
Pressure
Connections
Switch
Action
Range
psi (kPa)
Differential
psi (kPa)
Factory Setting, psig (kPa) Max. Bellows
Pressure
psig (kPa)
Max.
Temp.
Opens Closes
P20BB-1C
2
2. Replaces Ranco® G20-4412; Robertshaw® 3126-216, 3160-212
36 in. capillary
1/4 in. sweat tube
Open on fall 7 to 150 (48 to 1,034) Manual reset 40 (276) Lockout 250 (1,724) 140°F
P20DB-1C
3
3. Replaces Ranco G23-5253; Robertshaw 3127-220, 3161-205; Honeywell® P430X-1250, 1268, 1292, 1300
Open on rise 100 to 425 (690 to 2,930) Manual reset 400 (2,758) Lockout 450 (3,103)
P20GB-1C 42 in. capillary
1/4 in. sweat tube
Single-Pole,
Double-Throw
(SPDT)
Open on rise
100 to 425 (690 to 2,930) Manual reset 360 (2,482) Lockout 450 (3,103)
P20EB-1C
4
4. Replaces Ranco G20-4050; Robertshaw 3126-116, 3160-012, 3160-014; Honeywell P431X-1092, 1100
36 in. capillary
1/4 in. sweat tube
SPDT 7 to 150 (48 to 1,034) 30 (172) fixed 40 (276) 70 (448) 250 (1,724)
P20EB-18C 42 in. capillary
1/4 in. sweat tube
SPDT 7 to 150 (48 to 1,034) 22 (152) fixed 15 (103) 37 (255) 250 (1,724)
P20EB-2C
5
5. Replaces Ranco G23-5052; Robertshaw 3127-140, 3127-414, 3161-009; Honeywell P430X, 1235, 1243, 1276, 1284
36 in. capillary
1/4 in. sweat tube
SPDT 100 to 425 (690 to 2,930) 75 (483) fixed 400 (2,758) 324 (2,275) 450 (3,103)
P20DB-1 Air Conditioning/
Pressure Cutout Control
Standard Electromechanical Pressure Controls
Code No. LIT-1927180