Trane Round In/Round Out Manual de Instalação descarregar pdf (Página 11)

Installation

VAV-SVN09B-EN 11

New Facility VRRF Installation

(Non-Retrofit)

Note: When installing VRRF, make sure the controller is

level so the transducer can read airflow accurately.

Important: Make sure inlet and outlet ductwork are

adequately supported before installing

VRRF.

1. Before hanging VRRF, ensure that the VRRF will have a

minimum of 1.5 duct diameters of strait duct prior to

the inlet of the VRRF.

2. Hang theVRRF with straps (See Figure 1, p. 6 for Install

and Figure 2, p. 7 for weights)

3. Connect inlet ductwork to VRRF and screw in self

tapping screws.

4. Seal around flange of ductwork and VRRF with duct

sealant.

5. Connect outlet ductwork to VRRF and screw in self

tapping screws.

6. Seal around flange of ductwork and VRRF with duct

sealant.

7. After all connections are made , check to insure the

entire ductwork is air tight. Apply duct sealer as

necessary.

8. Cut to specifications on your unit, as shown in Figure 8

and Table 3. Cut “slits” in the insulation for the flow

tubes and brackets. Secure with duct tape. Encase

VRRF with insulation. See

Figure 7.

9. Use care not to damage the flow tubes when making

ductwork connections or insulating.

Specifications

UCM 4.2

Power Requirements

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

Operating EnvironmentTemperature:

32 to 140 F (0-60 C)

Relative Humidity

10 to 90% non-condensing

Storage EnvironmentTemperature:

-40 to 150 F

Relative Humidity

10 to 90% 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)

WARNING

Heavy Objects!

Ensure that all the lifting equipment used is properly

rated for the weight of the unit being lifted. Each of the

cables (chains or slings), hooks, and shackles used to

lift the unit must be capable of supporting the entire

weight of the unit. Lifting cables (chains or slings) may

not be of the same length. Adjust as necessary for even

unit lift. Other lifting arrangements could cause

equipment or property damage. Failure to follow

instructions above or properly lift unit could result in

unit dropping and possibly crushing operator/

technician which could result in death or serious injury.

Table 3. Insulation for RIRO

ABCD

Length

w/o

adapter

Length

adapter

4" 21.5 16.75 10.75 5.25 17 19.5

5" 21.5 16.75 10.75 5.25 17 19.5

6" 21.5 16.75 10.75 5.25 17 19.5

8" 29.5 21.5 12.75 6.5 17 19.5

10" 36 25 15.75 7.5 17 19.5

12" 41.5 28 16.5 8 17 19.5

14" 47.5 32.75 18.25 9.5 17 19.5

16" 56 35.5 18.75 9.25 17 19.5

Figure 8. Insulation cut measurements

Table 3. Insulation for RIRO

ABCD

Length

w/o

adapter

Length

adapter

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 55 56

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