Johnson controls a419 controller manual

 · A front panel Light-Emitting A99 temperature sensor. The sensor may be removed Diode (LED) indicates the output relay status. The and replaced with any compatible Johnson Controls control has a setpoint range of to °F Page 2 /4 /16 Wiring /4 WARNING: Risk of Electrical Shock. To avoid the risk of electrical shock, disconnect all A . 22 rows ·  · The A control may be in four operating modes: Cooling/Cut-in, Cooling/Cutout, Heating/Cut-in, Issue Date: Aug. The A controls have heating and cooling modes, adjustable setpoint and differential, an adjustable anti-short cycle delay, and a temperature offset function. The setpoint range is to °F ( to °C). The controls feature remote sensing capability and interchangeable sensors. The A controls are available in either NEMA 1.

A Control with Cycle Timer also provides sensor offset capability and restricted user adjustment. The temperature control range is °F to °F or °C to °C. The A Controls are available either in Type 1 (NEMA), IP20 (CE), high-impact plastic enclosures. The A Series Temperature Controls are intended to control equipment under normal operating conditions. Where failure or malfunction of an A Series Control could lead to an abnormal operating condition that could cause personal injury or damage to the equipment or other property, other devices (limit or safety controls) or. A Digital Aquastat A Johnson Controls A Digital Aquastat Control Front Panel with Display How to Change Temperature Units The A control is set at the factory to display in Fahrenheit temerpature units. To convert to Celsius units, press the UP Down buttons simultaneously. Press them again to return to Fahrenheit units.

illustrations when installing an A control. Parts Included Each A control includes a Johnson Controls/PENN A99 temperature sensor. The sensor may be removed and replaced with any compatible Johnson Controls A99 temperature sensor, or the wire leads on the sensor may be extended. See the Mounting and Wiring sections for additional. The A control’s front-panel, LCD, LED, and the A control functions are described below. See the Adjustments section for instructions on setting up and adjusting the A control. A Control Front-Panel The front panel of the A control has a three-button touchpad and LCD for adjusting control function. johnson controls aabc 1c electronic temp controller johnson controls manualzz com. A set of wiring diagrams may be required by the electrical inspection authority to approve relationship of the residence to the public electrical supply system. I've been using the Johnson Controls A Electronic Temperature Control for my chest freezer.