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5 | Standard TW Package
STANDARD TW PACKAGE
Fig. 2 TW Series Water-to-Water Heat Pump
[1] TW Series Water-to-Water
[2] Installation and Operation Manual
General Description
The Greensource CDi Series TW Model 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 TW Water-to-Water Heat Pumps are
designed to operate with entering fluid
temperature between 30°F to 90°F in the heating
mode and between 50°F to 110°F in the cooling
mode.
A heat pump operating under extreme
conditions will have limitations on air/fluid
flow rates and/or temperatures.
NOTICE: 50° F Minimum Entering Water
Temperature (EWT) is recommended for
water applications with sufficient water
flow to prevent freezing. Antifreeze solution
is required for all closed-loop applications
and EWT below 50°F.
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.
8733954853 (2020/04)
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
1
and 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.
WARNING: For Storage if unit stacking is
2
required, stack unit as follows:
Do not stack units larger than 6 tons. For
units less than 6 tons, no more than three
high.
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.
Subject to change without prior notice
Greensource CDi Series TW Model
Greensource CDi Series TW Model
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