Smart Boiler Expansion, Four tN4, Expands Four Boilers up to 16 Boilers, 3-wire Communication - 294EXP

Smart Boiler Expansion, Four tN4, Expands Four Boilers up to 16 Boilers, 3-wire Communication - 294EXP

The Smart Boiler Expansion 294EXP expands the Smart Boiler Control 294 in groups of four boilers up to a maximum of sixteen boilers. The 294EXP connects to the Smart Boiler Control 294 through a three-wire communication cable.

Features

LED status indicators for power, communication, each boiler and pump/valve
Expansion for 4 boilers
3-wire communication
Boiler configuration selected by DIP switches

Specifikation

Specifications
Agency Approvals	CSA C US, FCC Part 15B, ICES-003 Class A
Ambient Conditions	Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), less than 90 percent RH Non-condensing, Altitude < 6560 feet (2000 m), Installation Category II, Pollution Degree 2
Dimensions	9" H x 8" W x 2-11/32" D (229 x 203 x 60 mm)
Enclosure Material	Blue ABS plastic
Enclosure NEMA Rating	NEMA 1
Modulating Output	0-10 V (dc) 500 ohms minimum load impedance / 4-20 mA 1 k ohms max load impedance
Power Supply	115 V (ac) plus / minus 10 percent, 60 Hz, 6W
Pump Relay	230 V (ac), 5A, 1/3 hp