Trane R Series, Installation Operation & Maintenance

Page: 81 / 188

RLC-SVX07A-EN 81
Installation - Electrical
Installation Checklist
Complete this checklist as the unit is installed, to verify that all recommended
procedures are accomplished before the unit is started. This checklist does
not replace the detailed instructions given in the Sections 2 and 3 of this
manual. Read both sections completely, to become familiar with the instal-
lation procedures, prior to beginning the work.
Receiving
• Verify that the unit nameplate data corresponds to the ordering informa-
tion.
• Inspect the unit for shipping damage and any shortages of materials.
Report any damage or shortage to the carrier.
Unit Location and Mounting
• Inspect the location desired for installation and verify adequate service
access clearances.
• Provide drainage for evaporator and condenser water, if applicable.
• Remove and discard all shipping materials (cartons, etc.)
• Install optional neoprene or spring isolators, if required.
• Level the unit and secure it to the mounting surface.
Unit Water Piping
• Flush all unit water piping before making final connections to the unit.
• Connect the water piping to the evaporator and condenser, if applicable.
• Install pressure gauges and shutoff valves on the water inlet and outlet to
the evaporator, if applicable.
• Install a water strainer in the entering chilled water line.
• Install a balancing valve and flow switch (discretionary) in the leaving
chilled water line, if applicable.
• Install a drain with shutoff valve or a drain plug on the evaporator, if appli-
cable.
• Vent the chilled water and condenser water system at high points in the
system piping, ifapplicable.
Unit Refrigerant Piping (RTUA and RTCA)
NOTE: Do not release refrigerant to the atmosphere!
• Perform initial leak test.
• Braze properly sized and constructed liquid line to liquid line connections
on the unit.
• Braze properly sized and constructed hot gas (discharge) lines at hot gas
line connections on the unit.
• Leak test the unit and all refrigerant piping connections.
• Connect the unit power supply wiring with fused disconnect to the termi-
nal block (or unit-mounted disconnect) in the power section of the control
panel.
• Connect the control power supply wiring with fused-disconnect to the