Installation manual

SECTION 2: SPECIFICATIONS
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SECTION 2: SPECIFICATIONS
2.1 ROBERTS GORDON
®
ULTRAVAC™ Controller
2.1.1 Enclosure
Construction: 16 gauge painted steel, hinged
door, removable knockouts
provided.
Dimensions: 14.7" w x 17.7" h x 3.5" d
2.1.2 Electrical - Control Board
Power Supply: 24 V 60 Hz
(from relay board)
Analog Inputs: Sensor (thermistor), BMS enable
(dry contact)
Relay Outputs: 24 Vac
Analog Outputs: 0-10 Vdc
Digital Inputs: Timed, dry contact
Network Ports: RS-485, RS-232
UL Standard: UL 916 / C22.2 No. 205-M1983
2.1.3 Electrical - Relay Board
Power Supply: 120 V (+/- 10%) 1 Ø, 60 Hz
Inputs: 24V AC
Relay Outputs: Single Pole 3 A 120 Vac
UL Standard: UL 916 / C22.2 No. 205-M1983
2.2 Temperature Sensors
Indoor Sensor
Dimensions: 2.75" w x 4.5" h x 1.15" d
Power: 16 V
Features: LCD temperature display, setpoint
adjustment, override button
Wiring: Shielded Cable, four twisted pairs,
24 AWG min.
Outdoor Sensor
Dimensions: 5.3" x 1.4" x 2"
Enclosure: NEMA 4 gasketed aluminum LB
housing, ½" threaded connection
Wiring: Shielded Cable, one twisted pair,
22 AWG min.