Trane TCD - Wiring

To Next Page

To Previous Page

Installation

10 PART-SVN227B-EN

Note: For multispeed conversion the second relay (VSR)

would be installed to the right of the VRR pictured.

Wiring

The tables below contain the connection information for

the control panel wires that ship with the upgrade package

based on the type of upgrade being performed. Directions

and diagrams in the sections to follow will detail the

connections to be made.

Figure 9. Terminal block install

ation

Figure 10. Field installed terminal strip and relay

(SZVAV)

GTB

VRR

Table 4. Multispeed upgrade wires

Terminal Wire Number Terminal Usage

VRR-3 36CC GTB All

VSR-3 36CD GTB

All

RTRMP1-2 36CF GTB All

PPF7-3 36CG GTB

Electric Heat

GV PPF10-2 36CK GTB Gas Heat

PPF27-1 600B VRR-2 All

PPF27-2 601B VRR-4 All

PPF27-3 603B VSR-5 All

PPF27-4 604B VSR-6 All

PPF27-4 604E RESISTOR All

PPF27-6 607C RESISTOR All

RTRM P2-5 608A VSR-1 All

RTRM P9-1 609A RTRM P9-2

All

PHM Y-OUT W38 RTRM P1-12 All

COMM PPF5-5 W63 RTOM PPF8-1 All

COMM PPF5-4 W64 RTOM PPF8-2 All

COMM PPF5-2 W65 RTOM PPF8-3 All

COMM PPF5-1 W66 RTOM PPF8-4 All

Note: -GTB = New terminal strip installed next to communications module

-VRR = New relay

-VSR = New relay (Multispeed Only)

Table 5. New wiring for SZVAV upgrade