4223002S MODEL 42230 PRIMARY CONTROL MODEL 42230 PRIMARY CONTROL

MODEL 42230 PRIMARY CONTROL

MODEL 42230 PRIMARY CONTROL

MODEL 42230 PRIMARY CONTROL This manual covers primary operator functions, such as the installation and wiring of the unit.

Model 42230 Primary Control

The Model 42230 primary control is a single-phase building controller that combines three independent thermostats in one compact unit. The two primary ganged thermostat/power contactor channels have an integral disconnect and comprehensive diagnostics. Each thermostat serves a heating load of up to 10 kW, while the third channel controls a humidifier. This circuit requires a separate 24-VAC supply for cooling and humidifying functions. Features include: Auto defrost, Fixed set points, Day/

42230 Primary Control The 42230 Primary Control is an externally mounted control unit that replaces the factory-installed control module. It withstands a shock of up to 50 G's and includes two logic inputs (one normally open) for activating alarm systems such as airbags, or starting additional circuits.

The 42230 is an integrated pressure switch with primary control for use with Fireye Fyrite II Series Wall Mount Systems.

The 42230 Two-Day Programmable Thermostat **Easy to Install** The 42230 is compatible with electric baseboard heat and hydronic 2-wire heat, variable speed/reverse blower motor systems, outdoor reset option, Clear, easy-to-read LCD display with program status icons and indoor temperature readout. Universal applications for many HVACR applications and outdoor reset option. This thermostat will remember settings at your convenience while providing two-day programming and down time protection