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Installation

12 VAV-SVN09B-EN

Binary input

occupancy or generic (dry contact)

Binary outputs

Air valve open

Maximum output rating forTriac: 12VA

Air valve close

Maximum output rating forTriac: 12VA

Heat stage 1:

Maximum output rating forTriac: 12VA

Heat stage 2:

Maximum output rating forTriac: 12VA

Heat stage 3 or Fan output:

Maximum output rating forTriac: 12VA

UCM VV550

Power Requirements

Supply: 18-32 VAC (24VAC nominal) at 50/60 Hz

Operating EnvironmentTemperature:

32 to 140 F (0-60 C)

Relative Humidity

5 to 95% non- condensing

Storage EnvironmentTemperature:

-40 to 185 F

Relative Humidity

5 to 95% non- condensing

Analog inputs

Space temperature

Thermistor

10 K ohms @77 F(25 C)

From 14 to 122 F (-10 to 50 C)

Space setpoint

Potentiometer

1K ohms

From 50 to 90 F (10 to 32.2 C)

Primary discharge air temperature

10 K ohms @77 F(25 C)

From -40 to 212 F (-40 to 100 C)

Primary airflow

Transducer

0-2in. water (0 to 498 Pa)

Binary input

occupancy or generic (dry contact)

Binary outputs

Air valve open

Maximum output rating forTriac: 12VA

Air valve close

Maximum output rating forTriac: 12VA

Heat stage 1:

Maximum output rating forTriac: 12VA

Heat stage 2:

Maximum output rating forTriac: 12VA

Heat stage 3 or Fan output:

Maximum output rating forTriac: 12VA

UC400

Device Inputs/Outputs

Below is a list of device inputs and outputs.

• A twisted/shielded communication link

• Zone sensor

• Occupancy sensor (optional)

• Discharge AirTemperature (DAT) and/or Supply Air

Temperature (SAT)

•CO

sensor

• 24 Vac, Class II power

In addition to the points used for the VAV application, the

spare inputs and outputs on the UC400 controller may be

used for ancillary control and programmed usingTracer

TUTracer Graphical Programming 2 (TGP2).

Note: For more information on wiring spare points, refer

to theTracer UC400 Programmable Controller

Installation, Operation, and Maintenance Manual

(BAS-SVX20).

Table 4. UC400 specifications

Storage

Temperature: –48°F to 203°F (–44°C to 95°C)

Relative Humidity: Between 5% and 95% (non-condensing)

Operating

Temperature: –40°F to 185°F (–40°C to 70°C)

Humidity: Between 5% and 95% (non-condensing)

Input Voltage:

20.4–27.6 Vac (24, ±15% nominal), 50Hz to

60Hz

Mounting weight of

controller:

Mounting surface must support 0.80 lb. (.364 kg)

Environmental

rating (enclosure):

NEMA 1

Altitude: 9,842 ft. maximum (3,000 m)

Installation: U.L. 840: Category 3

Pollution: U.L. 840: Degree2

Housing Material:

Polycarbonate/ABS Blend

UV protected

U.L. 94-5VA flammability rating

Mounting:

Mounts on EN 50 022 - 35 X 15 DIN rail that is

included in the VAV unit control box when the

UC400 is factory mounted.

Agency Listing/Compliance

• UL916 PAZX, Open Energy Management Equipment

• UL94-5V, Flammability

• CE Marked

• FCC Part 15, Subpart B, Class B Limit

• AS/NZS CISPR 22:2006

• VCCI V-3/2008.04

• ICES-003, Issue 4:2004

• Communications BACnet MS/TP, supports BACnet protocol ASHRAE

135-2004 and meets BACnet Testing Laboratory (BTL) as an

Application Specific Controller (ASC) profile device UL864/UUKL

listed when installed and programmed in accordance with the Trane

Applications Guide, BAS-APG019-EN.

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Trane Round In/Round Out Manual de instalación Pagina 12

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