Trane Round In/Round Out Manual de instalación descargar pdf (Pagina 9)

Installation

VAV-SVN09B-EN 9

When installing the VRRF to a pre- existing unit, remove

power from pre-existing unit and lock and tag out unit.

Remove or pull back insulation and remove the amount of

inlet ductwork necessary to install the RIRO damper. (See

Figure 2, p. 7 for VRRF lengths.)

Note: Make sure existing VAV unit and inlet ductwork is

adequately supported before removing the section

of ductwork necessary to install VRRF.

Adaptor Option Installation

1. Ensure power has been removed from pre-existing

unit and it has been locked and tagged out.

2. If not already done, begin removing insulation from

the primary air inlet of pre-existing VAV unit.

3. On electric air valves, remove plug connection from J1

terminal and cut plug off of wire and feed wiring from

the control enclosure into the existing unit (See

Figure 3).

Note: Both the control enclosure and existing unit has a

grommet that may need to be removed to get wire

into existing VAV unit.

4. On pneumatic air valves, remove pneumatic tubing

from air valve.

Note: Be aware, on a limited number of units the

pneumatic air valve was too large to remove from

inlet and the hole unit would have to be taken down

to remove the air valve.

5. Remove self tapping screws from air inlet mounting

bracket. In addition, remove pneumatic tubing from

airflow ring. (See

Figure 4)

6. Remove air valve from existing VAV unit by breaking

the seal around air inlet and the VAV unit. Once it is

loose, remove air valve. (See

Figure 5)

7. Clean the surface on existing VAV unit where the air

valve connected to existing VAV unit. Place new

sealant around adapter mounting flange.

8. Mount adapter plate to the existing VAV unit by

aliening the adapter to the proper hole pattern on the

existing VAV unit and screwing in screws. Make sure

that the adaptor is also mounted with hole pattern so

that the VRRF controller is level to the ground. (See

Figure 6)

9. Seal around flange of adapter with duct sealant.

10. Install the Round In / Round Out (VRRF) VAV unit into

adapter making sure control box is level and hang

straps to support VRRF. (See

Figure 1, p. 6 for

Installation and Figure 2, p. 7 for weights)

11. Attach VRRF air valve cylinder to adapter plate using

self-tapping screws.

12. Seal around flange of adapter with duct sealant.

13. Connect inlet ductwork to VRRF and screw in self

tapping screws.

14. Seal around flange of ductwork and VRRF with duct

sealant.

Note: When retrofitting single duct units with electric

heat and series Fan powered pneumatic electric

heat units, the electric heat airflow switch has to

have its input removed from existing air valve and

connected to the new VRRF.This is done by

Figure 3. Remove plug connection

Figure 4. Remove pneumatic tubing

Figure 5. Remove air valve

Figure 6. Adapter mounting

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