Trane Round In/Round Out Manual de Instalação descarregar pdf (Página 25)

Installation

VAV-SVN09B-EN 25

Analog and DDC Fan-Powered:

Fan-Powered Electric Heat

1. Remove Power and Lock and Tag out unit if it hasn't

been done already.

2. Disconnect control wiring from heat relay(s) and field

wire cable(s) from kit by connecting heat relay coil(s) to

VRRF DDC controller binary output connections using

cable. See

Figure 16, p. 28 and Control Diagrams:

a. Figure 44 and Figure 45 for the UCM 4.2

b. Figure 46 and Figure 47 for the VV550

c. Figure 48 and Figure 49 for the UC400

d. Figure 50 and Figure 51 for the UC210

Analog and DDC Fan Powered: Hot Water

1. Isolate hot water valve and remove valve from system,

if necessary.

2. Install Proportional orTwo-Position hot water valve.

Ensure that the piping is correct to the new style valve.

3. Field wire actuator 24VAC control voltage toVRRF DDC

controller. See Control Diagrams:

a. Figure 44 and Figure 45 for the UCM 4.2

b. Figure 46 and Figure 47 for the VV550

c. Figure 48 and Figure 49 for the UC400

d. Figure 50 and Figure 51 for the UC210

WARNING

Hazardous Voltage!

Disconnect all electric power, including remote

disconnects before servicing. Follow proper lockout/

tagout procedures to ensure the power can not be

inadvertently energized. Failure to disconnect power

before servicing could result in death or serious injury.

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Trane Round In/Round Out Manual de Instalação Página 25