24 RTAD-SVX01F-E4
Installation - Mechanical
Installation Responsibilities
Generally, the contractor must do
the following when installing an
RTAD unit:
❏ Install unit on a flat foundation,
level (within 1/4" [6 mm] across
the length of the unit), and strong
enough to support unit loading.
❏ Install unit per the instructions
contained in this manual.
❏ Install any optional sensors and
make electrical connections at the
UCM-CLD.
❏ Where specified, provide and
install valves in water piping
upstream and downstream of
evaporator water connections to
isolate the evaporator for
maintenance, and to balance/trim
system.
❏ Furnish and install flow switch
and/or auxiliary contacts to prove
chilled water flow.
❏ Furnish and install pressure
gauges in inlet and outlet piping
of the evaporator.
❏ Furnish and install a drain valve to
the bottom of the evaporator shell.
❏ Supply and install a vent cock to
the top of the evaporator shell.
❏ Furnish and install strainers ahead
of all pumps and automatic
modulating valves.
❏ Provide and install field wiring.
❏ Install heat tape and insulate the
chilled water lines and any other
portions of the system, as
required, to prevent sweating
under normal operating conditions
or freezing during low ambient
temperature conditions.
❏ Start unit under supervision of a
qualified service technician.
Nameplates
The RTAD outdoor unit nameplates
(Figure 1) are applied to the exterior
of the control panel. A compressor
nameplate is located on each
compressor.
Outdoor Unit Nameplate
The outdoor unit nameplate
provides the following information:
• Unit model and size description
• Unit serial number
• Identifies unit electrical
requirements
• Lists correct operating charges of
R-134a and refrigerant oil (Trane
OIL00048)
• Lists unit test pressures
Compressor Nameplate
The compressor nameplate provides
following information:
• Compressor model number.
• Compressor serial number.
• Compressor electrical
characteristics.
• Utilization range
• Recommended refrigerant
To Next Page
Loading...
Need help?
General
