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ManualsBrandsJohnson Controls ManualsA421 Series Temperature ControlsSingle Stage Digital Temperature Control w/ Off Cycle Defrost (120/240VAC)

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
- MS Series Temperature Stage Control Modules
- MS Series Single-Stage Control Modules with Voltage Input
- MS4PMUHVT Multi-Stage Electronic Temperature Control with Relay Pack
Temperature Control Sensors and Accessories
- A99B Series Temperature Sensor
- Bulb Wells
- G Series Thermostat and Humidistat Guards
- T22, T25, T26, T28, T46, and T91 Accessories
- T91 Series Room Temperature Sensor
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
- P470 Electronic Pressure Control with Display
Electromechanical Lube Oil and Differential Pressure Controls
- P28 Series Lube Oil Pressure Cutout Control with Time Delay
- P32 Series Sensitive Pressure Switch
- P45 Series Lube Oil Pressure Cutout Control with Time Delay
- P74 Series Differential Pressure Control
- P128 and P145 Series Lube Oil Pressure Controls
- P12 Series Differential Pressure Controls
Electronic Lube Oil and Differential Pressure Controls
- P545 Series Electronic Lube Oil Control
- CST29A Adaptor Block for Carlyle® Compressors
Pressure Sensors and Accessories
- Replacement Timing Relays for P28 and P29 Lube Oil Controls
- P100 Series Encapsulated Pressure Switches
- P499 Series Electronic Pressure Transducer
- R310A Series Current Sensing Switch
- Universal Mounting Bracket
- SEC99A UltraCap Armored Capillary
Refrigerant Sensors/Monitors
- RLD-H10PRO Refrigerant Leak Detector
- RLD Refrigerant Leak Detector Accessories and Replacement Parts
Liquid Level and Flow Controls
- F59 Series Sump Pump Switch
- F261 Series Fluid Flow Switches
- F262 Airflow Switch
- F263 Series Liquid Level Float Switches
- F61 and F62 Series Replacement Paddles
- F92 Series Air Volume Controls for Shallow Wells
- F93 Series Air Volume Controls for Deep Wells
Motor Speed Controls
- P266 Series Single-Phase Condenser Fan Speed Control
- P66/S66 Series Controls to P266 Series Controls Replacement Guide
- VFD68 Variable Frequency Drives
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
- Y63, Y64, Y65, Y66, and Y69 Series 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
- Ranco® Refrigeration Cross-Reference
- ALCO® Cross Reference
HVACR Product Offerings
Sales Contact Information

Note: Page numbers in italics denote pages where the product code number appears, but not as the main part.

R-7

Code Number Index

Numerics

210-604R . . . . . . . . . . . . . . . . . . . . . . . . . R-87

246-423 . . . . . . . . . . . . . . R-153, R-158, R-189

246-424 . . . . . . . . . . . . . . . . . . . . . . . . . . R-189

246-425 . . . . . . . . . . . . . . R-153, R-158, R-189

271-51 . . . . .R-88, R-107, R-109, R-112, R-123

426-424 . . . . . . . . . . . . . . . . . . . . R-153, R-158

A19AAB-10C . . . . . . . . . . . . . . . . . . . . . . . R-21

A19AAB-4C . . . . . . . . . . . . . . . . . . . . . . . . R-21

A19AAB-7C . . . . . . . . . . . . . . . . . . . . . . . . R-21

A19AAC-4C . . . . . . . . . . . . . . . . . . . . . . . R-19

A19AAC-9C . . . . . . . . . . . . . . . . . . . . . . . R-21

A19AAD-12C . . . . . . . . . . . . . . . . . . . . . . R-19

A19AAD-5C . . . . . . . . . . . . . . . . . . . . . . . R-19

A19AAE-3C . . . . . . . . . . . . . . . . . . . . . . . . R-22

A19AAF-12C . . . . . . . . . . . . . . . . . . . . . . . R-19

A19AAF-20C . . . . . . . . . . . . . . . . . . . . . . . R-19

A19AAF-21C . . . . . . . . . . . . . . . . . . . . . . . R-19

A19AAT-2C . . . . . . . . . . . . . . . . . . . . . . . . R-28

A19ABA-40C . . . . . . . . . . . . . . . . . . . . . . . R-19

A19ABB-2C . . . . . . . . . . . . . . . . . . . R-21, R-22

A19ABB-7C . . . . . . . . . . . . . . . . . . . . . . . . R-21

A19ABC-11C . . . . . . . . . . . . . . . . . . . . . . R-23

A19ABC-12C . . . . . . . . . . . . . . . . . . . . . . R-23

A19ABC-24C . . . . . . . . . . . . . . . . . . . . . . R-19

A19ABC-36C . . . . . . . . . . . . . . . . . . . . . . R-19

A19ABC-37C . . . . . . . . . . . . . . . . . . . . . . R-19

A19ABC-4C . . . . . . . . . . . . . . . . . . . . . . . R-19

A19ABC-74C . . . . . . . . . . . . . . . . . . . . . . R-19

A19ACA-14C . . . . . . . . . . . . . . . . . . . . . . R-19

A19ACA-15C . . . . . . . . . . . . . . . . . . . . . . R-19

A19ADB-1C . . . . . . . . . . . . . . . . . . . . . . . R-19

A19ADB-2C . . . . . . . . . . . . . . . . . . . . . . . R-23

A19ADN-1C . . . . . . . . . . . . . . . . . . . . . . . R-19

A19AGF-31C . . . . . . . . . . . . . . . . . . . . . . R-24

A19ANC-1C . . . . . . . . . . . . . . . . . . . . . . . R-33

A19AUC-1C . . . . . . . . . . . . . . . . . . . . . . . R-25

A19AUC-2C . . . . . . . . . . . . . . . . . . . . . . . R-25

A19AUC-3C . . . . . . . . . . . . . . . . . . . . . . . R-25

A19AUC-4C . . . . . . . . . . . . . . . . . . . . . . . R-25

A19BAB-3C . . . . . . . . . . . . . . . . . . . . . . . . R-26

A19BAC-1C . . . . . . . . . . . . . . . . . . . . . . . R-26

A19BAF-1C . . . . . . . . . . . . . . . . . . . . . . . . R-26

A19BAG-1C . . . . . . . . . . . . . . . . . . . . . . . R-27

A19BBC-2C . . . . . . . . . . . . . . . . . . . . . . . R-26

A19BUC-2C . . . . . . . . . . . . . . . . . . . . . . . R-25

A19CAC-1C . . . . . . . . . . . . . . . . . . . . . . . R-29

A19CAC-2C . . . . . . . . . . . . . . . . . . . . . . . R-29

A19DAC-10C . . . . . . . . . . . . . . . . . . . . . . R-30

A19DAC-12C . . . . . . . . . . . . . . . . . . . . . . R-30

A19DAC-1C . . . . . . . . . . . . . . . . . . . . . . . R-30

A19DAC-9C . . . . . . . . . . . . . . . . . . . . . . . R-30

A19DAF-2C . . . . . . . . . . . . . . . . . . . . . . . R-30

A19EAF-1C . . . . . . . . . . . . . . . . . . . . . . . R-31

A19EAF-2C . . . . . . . . . . . . . . . . . . . . . . . R-31

A19EBA-1C . . . . . . . . . . . . . . . . . . . . . . . R-32

A19EBB-1C . . . . . . . . . . . . . . . . . . . . . . . R-32

A19EBC-1C . . . . . . . . . . . . . . . . . . . . . . . R-32

A19EDB-1C . . . . . . . . . . . . . . . . . . . . . . . R-32

A19KNC-1C . . . . . . . . . . . . . . . . . . . . . . . R-35

A19PRC-1C . . . . . . . . . . . . . . . . . . . . . . . R-34

A19QSC-1C . . . . . . . . . . . . . . . . . . . . . . . R-36

A19QSC-2C . . . . . . . . . . . . . . . . . . . . . . . R-36

A19QSC-3C . . . . . . . . . . . . . . . . . . . . . . . R-36

A19QSC-4C . . . . . . . . . . . . . . . . . . . . . . . R-36

A19ZBA-1C . . . . . . . . . . . . . . . . . . . . . . . R-37

A19ZBC-2C . . . . . . . . . . . . . . . . . . . . . . . R-38

A25AN-1C . . . . . . . . . . . . . . . . . . . . . . . . R-39

A25AP-1C . . . . . . . . . . . . . . . . . . . . . . . . R-39

A25CN-1C . . . . . . . . . . . . . . . . . . . . . . . . R-39

A25CP-1C . . . . . . . . . . . . . . . . . . . . . . . . R-39

A28AA-28C . . . . . . . . . . . . . . . . . . . . . . . R-59

A28AA-29C . . . . . . . . . . . . . . . . . . . . . . . R-59

A28AA-36C . . . . . . . . . . . . . . . . . . . . . . . R-59

A28AA-37C . . . . . . . . . . . . . . . . . . . . . . . R-59

A28AA-4C . . . . . . . . . . . . . . . . . . . . . . . . R-59

A28AA-9C . . . . . . . . . . . . . . . . . . . . . . . . R-59

A28AB-1C . . . . . . . . . . . . . . . . . . . . . . . . R-59

A28AJ-4C . . . . . . . . . . . . . . . . . . . . . . . . . R-59

A28AK-1C . . . . . . . . . . . . . . . . . . . . . . . . R-61

A28AK-2C . . . . . . . . . . . . . . . . . . . . . . . . R-61

A28KA-1C . . . . . . . . . . . . . . . . . . . . . . . . R-62

A28MA-1C . . . . . . . . . . . . . . . . . . . . . . . . R-63

A28MA-2C . . . . . . . . . . . . . . . . . . . . . . . . R-63

A28PA-2C . . . . . . . . . . . . . . . . . . . . . . . . R-64

A28PJ-1C . . . . . . . . . . . . . . . . . . . . . . . . . R-64

A36AHA-50C . . . . . . . . . . . . . . . . . . . . . . R-65

A36AHA-52C . . . . . . . . . . . . . . . . . . . . . . R-65

A36AHA-58C . . . . . . . . . . . . . . . . . . . . . . R-65

A36AHB-33C . . . . . . . . . . . . . . . . . . . . . . R-65

A421ABC-02C . . . . . . . . . . . . . . . . . . . . . R-45