Standard TW Package | 5TW Series Water to Water
6720220047 (2016/02)Revised 02-16
STANDARD TW PACKAGE
Figure # 1
[1] TW Series Water-to-Water
[2] Installation and Operation Manual
General Description
TW Series Water-to-Water Heat Pumps provide the best
combination of performance and efficiency available. All
units are performance certified to American Heating and
Refrigeration Institute (AHRI) ISO Standard 13256-2. All
TW Water-to-Water Heat Pumps conform to UL1995
standard and are certified to CAN/CSA C22.2 No 236 by
Intertek-ETL. The Water-to-Water Heat Pumps are
designed to operate with entering fluid temperature
source between 30°F to 90°F in the heating mode and
between 50°F to 110°F in the cooling mode on the
source side
MOVING AND STORAGE
If the equipment is not needed for immediate
installation upon its arrival at the job site, it should be
left in its shipping carton and stored in a clean, dry area.
Units must only be stored or moved in the normal
upright position as indicated by the “UP” arrows on each
carton at all times.
Initial Inspection
Be certain to inspect all cartons or crates on each unit as
received at the job site before signing the freight bill.
Verify that all items have been received and that there
are no visible damages; note any shortages or damages
on all copies of the freight bill. In the event of damage or
shortage, remember that the purchaser is responsible
for filing the necessary claims with the carrier.
Concealed damages not discovered until after removing
the units from the packaging must be reported to the
carrier within 24 hours of receipt.
Location
Locate the unit in an indoor area that allows easy access
to the panels, and has enough room for service
personnel to perform maintenance or repair. Provide
sufficient room to make fluid and electrical
connection(s).
INSTALLATION
The TW series unit should be mounted level on a
vibration absorbing pad slightly larger than the base to
minimize vibration transmission to the building
structure, It is not necessary to anchor the unit to the
floor.(Figure #2).
Figure # 2
Heat Pump operating under extreme conditions will
have limitation on fluid flow rates and/or
temperatures.
50°F Minimum Entering Water Temperature (EWT)
is recommended for well water applications with
sufficient water flow to prevent freezing. Antifreeze
solution is required for all closed loop applications.
Cooling Tower/Boiler and Geothermal applications
should have sufficient antifreeze solution to protect
against extreme conditions and equipment failure.
Frozen water coils are not covered under warranty.
Other equivalent methods of temperature control are
acceptable.
WARNING: For Storage if unit stacking is
required, stack unit as follows:
Do not stack units larger than 6 tons. For
units less than 6 tons, no more than three
high
NOTICE: These units are not approved for
outdoor installation; therefore, they must
be installed within a conditioned space
inside the structure. Do not locate in areas
that are subject to freezing.
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