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SECTION 2: SPECIFICATIONS
7
SECTION 2: SPECIFICATIONS
2.1 ROBERTS GORDON
®
ULTRAVAC™ Controller
2.1.1 Enclosure
Standard Enclosure
Construction: 16 gauge painted steel, hinged
door, removable knockouts
provided.
Dimensions: 14.7" w x 17.7" h x 3.5" d
NEMA 4 Enclosure (P/N 10080302)
Description: NEMA 4 enclosure is sold separately
as an option. ULTRAVAC™ Controller
in standard enclosure is field mounted
inside the NEMA 4 enclosure.
Construction: 14 gauge painted steel, hinged door
with 19" x 16" window.
Dimensions: 24" w x 24" h x 9" d
Protection
Rating: NEMA 4/12
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: 32 V DC
Features: LCD temperature display, setpoint
adjustment, override button
Wiring: Shielded Cable, four twisted pairs,
24 AWG min.
Outdoor Sensor (P/N 10081501)
Dimensions: 1.4" w x 5.3" h x 2" d
Enclosure: NEMA 4 gasketed aluminum LB
housing, ½" threaded connection
Wiring: Shielded Cable, one twisted pair,
22 AWG min.
NEMA 4 Enclosure for Indoor Sensor (P/N
10081510)
Description: NEMA 4 Enclosure is sold separately
as an option. The indoor sensor is
field mounted inside the NEMA 4
enclosure. Temperature thermistor
and LCD temperature display will not
operate properly inside the
enclosure. LCD display feature should
be disabled and use of the NEMA 4
sensor enclosure will require the use
of an outdoor sensor (P/N 10081501)
in the space to monitor zone
temperature.
Dimensions: 6.3" x 3.6" x 1.8"
Construction: Polycarbonate enclosure with clear
front cover, 4 screw cover closure. 16
gauge galvanized subpanel.
Protection
Rating: NEMA 4/4x/12/13
Flammability
Rating: UL-94-5V