Johnson Controls A19B, A19D, A19A manual Description, Feature and Benefits

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PSC9705

European Refrigeration Controls Catalogue

1

 

Catalog Section

 

Product Bulletin

A19A

 

Issue

03/03/2003

Series A19A/A19B/A19D

Thermostats for Refrigeration, Cooling, Heating, Ventilation

and Air-conditioning

Introduction

These thermostats are designed for refrigeration, cooling, heating, ventilation and air-conditioning applications. Standard models are provided for remote sensing or room sensing. Models with manual reset are available for low or high limit functions.

Description

These thermostats are available with fixed or adjustable differential. The various control ranges cover a broad range of temperature applications with a minimum number of models. On request a built-in high or low limit stop is possible and can be adjusted quickly and easily in the field. All models have a universal way of adjustment. For this purpose a knob and sealing cap are enclosed.

All A19 style 1 wholesaler code models have a bulb clamp plus screw also enclosed.

A19A capillary thermostat

A19B space thermostat

Feature and Benefits

‰Liquid filled sensing element No cross ambient temperature problems Contact differential over the whole range

 

‰ Dust tight Penn switch

Prevents pollution of the contacts by

 

 

electrostatic influences.

 

‰ Trip free manual reset

Override is not possible in the control function

 

‰ Front adjustment

Less mounting space required.

 

 

 

 

 

 

 

 

 

© 2003 Johnson Controls Inc.

Catalogue Section 1

Order No. PD-A19A-E

 

 

 

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Contents Description Feature and BenefitsRepair and replacement AdjustmentType number matrix Contact functions Bulb size and finish, bulb wells Sensor stylesType number selection table A19BAC-9251 A19BAC-9250A19BAC-9001 A19BBC-9275Accessories optional 46.5 Dimensions mmSpecifications Instruction sheet Português

A19A, A19B, A19D specifications

Johnson Controls is a leading global diversified technology and multi-industrial company that emphasizes the importance of creating intelligent buildings and fostering sustainable environments. Among the many products that the company offers in its portfolio are the A19A, A19B, and A19D series, which are a set of advanced HVAC controls designed to optimize the efficiency and performance of building systems.

The A19A, A19B, and A19D represent different versions of Johnson Controls' space temperature sensors, each tailored to specific applications and environments. One of the main features of these models is their precise temperature sensing capabilities, which ensure that occupants remain comfortable while optimizing energy use.

A key characteristic of these sensors is their versatile mounting options. Designed for easy installation, the A19 series can be mounted on walls, in ductwork, or integrated into different control systems. This adaptability allows them to serve a variety of settings, from commercial buildings to industrial facilities, providing users with the flexibility to implement their HVAC systems effectively.

One of the standout technologies utilized in the A19 series is the advanced digital sensor technology, which helps enhance accuracy and response time. This technology significantly reduces the impact of temperature fluctuations, allowing for consistent performance and comfort. Additionally, they feature a robust design capable of withstanding diverse environmental conditions, ensuring reliability in both indoor and outdoor applications.

The A19D model, specifically, is geared toward those needing higher precision in temperature control. It is equipped with advanced calibration options, which allow for enhanced accuracy in specialized environments where temperature control is critical. Both the A19A and A19B models, while simpler, offer a balance between functionality and cost, making them ideal for a broader range of applications.

Another critical aspect of the A19 series is their compatibility with various building management systems. This integration capability allows for enhanced monitoring and control, facilitating smarter energy management practices.

In conclusion, Johnson Controls' A19A, A19B, and A19D temperature sensors are designed to provide high-performance HVAC solutions suitable for various applications. With their accurate sensing, robust design, and compatibility with modern building systems, these products play a crucial role in creating intelligent and energy-efficient buildings. As building technologies continue to evolve, the A19 series remains a staple in the commitment to sustainability and occupant comfort.
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