Hoffman Condenser Fan Speed Control

Hoffman variable fan speed control.

Hoffman condenser fan speed control.

Push to reset thermal circuit breaker inside control housing. Using a dimmer. Identify the speed wires the remaining wires generally capped off with wire nuts are speed wires. Manufactured by hoffman controls company.

Johnson controls single phase 208 240v condenser fan speed control with maximum output amperes of 8 and high vac triacs of 3. 814 816 head pressure control 865d three phase head pressure control 870 10d head pressure control for fixed speed psc and ec motors 880 ecm head pressure control 851 ms multiple sensor selector 861 asq condenser fan sequencer 890 universal sequencer and modulator. Compact polycarbonate control housing can be mounted in any position. Electric defrost kit with mechanical time clock and contactors as required.

On the other end one wire will go to the terminal block labeled neutral or line 2 and a wire going to the fan relay will control fan speed. Nema 3r enclosure with integral metal heat sink and stand off. Approved for single phase psc motors commonly used in many refrigeration and air conditioning condenser fan applications. The control monitors the head pressure by sensing the sub cooled liquid line temperature.

Variable speed ec motors as head pressure control see bulletin t40 hpc ag for details smartspeed fan motor technology on models using chassis 3 see our product data and specifications for full details pdf pump down toggle switch. Variable speed controls must be specially designed for use with ceiling fans. Made in united states. Nema 5 15r outlet provides power to fan.

Wiring the fan to a variable speed control switch lets you make fine adjustments to the fan s speed. Wide adjustable pressure throttling range. For condenser motor electronic head 120 240 volts hoffman controls 814 10eh microprocessor electronic head pressure control for condenser motor 120 240 volts. There are two temperature inputs and three outputs pwm 0 10 vdc and 10 0 vdc to control the ecm or vfd variable speed fan motor.

Select a thumbnail to stop the advertisement from sliding. Idle speed and temperature slope are field adjustable. Main advertisement the advertisement will automatically cycle once the first time. The johnson controls condenser fan speed control is a cost effective weather resistant durable motor speed control.

Locate the identification tag for the fan motor which will be somewhere on the fan or motor block.