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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.

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Code Number Index

A421ABC-03C . . . . . . . . . . . . . . . . . . . . . R-45

A421ABC-04C . . . . . . . . . . . . . . . . . . . . . R-45

A421ABC-06C . . . . . . . . . . . . . . . . . . . . . R-45

A421ABD-02C . . . . . . . . . . . . . . . . . . . . . R-51

A421ABG-02C . . . . . . . . . . . . . . . . . . . . . R-48

A421ABJ-02C . . . . . . . . . . . . . . . . . . . . . . R-48

A421ABT-02C . . . . . . . . . . . . . . . . . . . . . . R-54

A421AEC-01C . . . . . . . . . . . . . . . . . . . . . R-45

A421AEC-02C . . . . . . . . . . . . . . . . . . . . . R-45

A421AED-01C . . . . . . . . . . . . . . . . . . . . . R-51

A421AED-02C . . . . . . . . . . . . . . . . . . . . . R-51

A421AEJ-01C . . . . . . . . . . . . . . . . . . . . . . R-48

A421AET-01C . . . . . . . . . . . . . . . . . . . . . . R-54

A421GBF-02C . . . . . . . . . . . . . . . . . . . . . R-45

A421GEF-01C . . . . . . . . . . . . . . . . . . . . . R-45

A421GEF-02C . . . . . . . . . . . . . . . . . . . . . R-45

A70GA-1C . . . . . . . . . . . . . . . . . . . . . . . . . R-40

A70GA-2C . . . . . . . . . . . . . . . . . . . . . . . . . R-40

A70HA-14C . . . . . . . . . . . . . . . . . . . . . . . . R-40

A70HA-1C . . . . . . . . . . . . . . . . . . . . . . . . . R-40

A70HA-2C . . . . . . . . . . . . . . . . . . . . . . . . . R-40

A70KA-1C . . . . . . . . . . . . . . . . . . . . . . . . . R-40

A72AA-1C . . . . . . . . . . . . . . . . . . . . . . . . . R-41

A72AA-2C . . . . . . . . . . . . . . . . . . . . . . . . . R-41

A72AA-3C . . . . . . . . . . . . . . . . . . . . . . . . . R-41

A72AA-4C . . . . . . . . . . . . . . . . . . . . . . . . . R-43

A72AE-1C . . . . . . . . . . . . . . . . . . . . . . . . . R-42

A72AP-1C . . . . . . . . . . . . . . . . . . . . . . . . . R-41

A72CE-1C . . . . . . . . . . . . . . . . . . . . . . . . . R-42

A99BA-200C . . . . . . R-74, R-79, R-195, R-220

A99BB-200C . . . . . . . . . . . . . R-58, R-74, R-78,

. . . . . . . . . . . . . . . . . . . . R-79, R-195, R-220

A99BB-25C . . . . . . . . . . . . R-79, R-195, R-220

A99BB-300C . . . . . . R-74, R-79, R-195, R-220

A99BB-500C . . . . . . R-74, R-79, R-195, R-220

A99BB-600C . . . . . . R-74, R-79, R-195, R-220

A99BC-1500C . . . . . . . . . . R-79, R-195, R-220

A99BC-25C . . . . . . . . . . . . R-79, R-195, R-220

A99BC-300C . . . . . . . . . . . R-79, R-195, R-220

A99BC-500C . . . . . . . . . . . . . . . . . . . . . . . R-79

A99-CLP-1 . . . . . . . . . . . . R-79, R-196, R-220

ADP11A-600R . . . . . . . . . R-79, R-196, R-220

BKT16A-600R . . . . . . . . . . . . . . . . . . . . . . R-85

BKT182-1R . . . . . . . . . . . . . . . . . . . . . . . R-106

BKT229-1R . . . . . . . . . . . . . . . . . . . . . . . R-106

BKT287-1R . . . . . . . . . . . R-195, R-204, R-207,

. . . . . . . . . . . . . . . . . . . R-208, R-210, R-213,

. . . . . . . . . . . . . . . . . . . .R-214, R-216, R-218

BKT287-2R . . . . . . . . . . . R-195, R-204, R-207,

. . . . . . . . . . . . . . . . . . . R-208, R-210, R-213,

. . . . . . . . . . . . . . . . . . . .R-214, R-216, R-218

BKT287-3R . . . . . . . . . . . R-195, R-204, R-207,

. . . . . . . . . . . . . . . . . . . R-208, R-210, R-213,

. . . . . . . . . . . . . . . . . . . .R-214, R-216, R-218

BKT287-4R . . . . . . . . . . . R-195, R-204, R-207,

. . . . . . . . . . . . . . . . . . . R-208, R-210, R-213,

. . . . . . . . . . . . . . . . . . . .R-214, R-216, R-218

BKT38A-600R . . . . . . . . .R-107, R-109, R-123

BKT38A-601R . . . . . . . . . . . . . . . . . . . . R-109

BKT48A-600R . . . . . . . . . . . . . . . . . . . . . R-72

BOX10A-600R . . . . . . . . . .R-79, R-195, R-220

C450CBN-3C . . . . . . . . . . . . . . . .R-195, R-210

C450CCN-3C . . . . . . . . . . . . . . . .R-195, R-210

C450CEN-1C . . . . . . . . . . . . . . . .R-195, R-204

C450CPN-3C . . . . . . . . . . . . . . . .R-195, R-208

C450CPW-100C . . . . . . . . . . . . . .R-195, R-213

C450CQN-3C . . . . . . . . . . . . . . . .R-195, R-208

C450CRN-1C . . . . . . . . . . . . . . . .R-195, R-204

C450RBN-3C . . . . . . . . . . . . . . . .R-195, R-207

C450RCN-3C . . . . . . . . . . . . . . . .R-195, R-207

C450SBN-3C . . . . . . . . . . . . . . . .R-195, R-216

C450SCN-3C . . . . . . . . . . . . . . . .R-195, R-216

C450SPN-1C . . . . . . . . . . . . . . . .R-195, R-214

C450SQN-1C . . . . . . . . . . . . . . . .R-195, R-214

C450YNN-1C . . . . . . . . . . . . . . . .R-195, R-218

CSE57A-600 . . . . . . . . . . . . . . . . . . . . . . R-65

CST29A-600C . . . . . . . . . . . . . . . . . . . . R-113

CVR17A-620R . . . . . . . . . . . .R-40, R-41, R-43

CVR17A-621R . . . . . . . . . . . . . . . . .R-40, R-41

CVR28A-617R . . . . . . R-20, R-21, R-23, R-24,

. . . . . . . . . . . . . . . . . . . . . . .R-26, R-29, R-60

CVR28A-618R . . . . . . R-20, R-21, R-23, R-24,

. . . . . . . . . . . . . . . . . . R-26, R-31, R-32, R-60

CVR61A-600R . . . . . . . . . . . . . . . . . . . . . R-37

CVR88A-600R . . . . . . . . . . . . . . . . . . . . . R-72