Trane Voyager Commercial, Installation, Operation And Maintenance Manual

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22 RT-SVX34R-EN
Pre-Installation
The checklist listed below is a summary of the steps
required to successfully install a Voyager Commercial
rooftop unit. This checklist is intended to acquaint the
installing personnel with what is required in the
installation process. It does not replace the detailed
instructions called out in the applicable sections of this
manual.
General Unit Requirements
Downflow/Upflow Models
• An optional roof curb, specifically designed for the
Voyager commercial rooftop units is available from
Trane. The roof curb kit must be field assembled
and installed according to the latest edition of the
curb installation guide.
• Assemble and install the roof curb, including
necessary gaskets. Make sure the curb is level.
• Install and secure the ductwork to the curb.
All Units
• Check unit for shipping damage and material
shortage. (Refer to
“General Information,” p. 12 ).
• Rigging the unit. Refer to Figure 13, p. 19 .
• Placing the unit on curb; check for levelness.
• Ensure that the unit-to-curb seal is tight and without
buckles or cracks.
• Install an appropriate drain line to the evaporator
condensate drain connections, as required. Refer to
, p. 23 .
• Service Valve Option; See “Starting the
Compressor,” p. 89 .
• Return/Fresh-air damper adjustment. Refer to
“Economizer (O/A) Dampers,” p. 84 .
• Exhaust Fan Damper Stop Adjustment. Refer to
Exhaust Damper Adjustment figures, beginning
with
, p. 83 .
Electrical Requirements
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• Verify that the electrical power supply
characteristics comply with the unit nameplate
specifications.
• Inspect all control panel components; tighten any
loose connections.
• Connect properly sized and protected power supply
wiring to a field supplied/installed disconnect and
unit power terminal block HTB1, or to the optional
unit-mounted disconnect switch.
• Properly ground the unit.
Field Installed Control Wiring
Refer to , p. 33 and Figure 22, p. 35 .
Complete the field wiring connections for the constant
volume and variable air volume controls as applicable.
Refer to
“Low Voltage Wiring,” p. 32 .
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NEC and applicable local codes.
Gas Heat Requirements
Refer to “Installation Piping,” p. 40 .
• Gas supply line properly sized and connected to the
unit gas train.
• All gas piping joints properly sealed.
• Drip leg Installed in the gas piping near the unit.
• Gas piping leak checked with a soap solution. If
piping connections to the unit are complete, do not
pressurize piping in excess of 0.50 psig or 14 inches
w.c. to prevent component failure.
• Main supply gas pressure adequate.
• Flue Tubes clear of any obstructions.