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

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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

The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson Controls office.

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Ranco® Refrigeration Cross-Reference (Continued)

Cross-Reference

Ranco MPH-7102 270 200 None SPST 18" Leads 1/4" Internal Flare