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3.
Be sure the location chosen for unit installation provides
ambient temperatures maintained above freezing. Well water
applications are especially susceptible to freezing.
4.
Be sure the installation location is isolated from sleeping
areas, private offices and other acoustically sensitive spaces.
NOTE: A sound control accessory package may be used to help
eliminate sound in sensitive spaces.
5.
Provide sufficient access to allow maintenance and servicing
of the compressor and coils.
6.
Wait to remove the packaging until the unit is ready for
installation.
7.
Verify that the refrigerant tubing is free of kinks or dents, and
that it does not touch other unit components.
8.
Inspect all electrical connections. Be sure connections are
clean and tight at the terminals.
9.
Loosen bolts and remove shipping clamps on compressors
equipped with external spring vibration isolators. Compres-
sors are internally spring-mounted.
10. Locate and verify any accessory kit located in compressor
section.
11. Remove any access panel screws that may be difficult to
remove once unit is installed.
PROTECTION
Once the units are properly positioned on the jobsite, they must be
covered with either a shipping carton, vinyl film, or an equivalent
protective covering. Open ends of pipes stored on the jobsite must
50PSW UNIT SIZE
Compressor Type
Quantity
Maximum Water Working Pressure
(psig/kPa)
Water Connection Size (in.)
FPT
Refrigeration Charge (oz/ckt)
Coaxial Coil Volume (gal)
Operating Weight (lb)
Shipping Weight (lb)
50PSW UNIT SIZE
Compressor Type
Quantity
Maximum Water Working Pressure
(psig/kPa)
Water Connection Size (in.)
FPT
Coaxial Coil Volume (gal)
Refrigeration Charge (oz/ckt)
Operating Weight (lb)
Shipping Weight (lb)
Table 1 — 50PSW025-071 Unit Physical Data
025
035
Scroll
Scroll
1
1
450/3100
450/3100
3/4
3/4
48
59
0.49
0.49
240
250
260
270
Table 2 — 50PSW0122-420 Unit Physical Data
122
180
Scroll
Scroll
2
1
450/3100
450/3100
1-1/4
1-1/2
1.00
3.31
85
210
720
850
740
870
3
be capped. This precaution is especially important in areas where
painting, plastering, or spraying of fireproof material, etc., is not
yet complete. Foreign material that is allowed to accumulate
within the units can prevent proper start-up and necessitate costly
clean-up operations.
Before installing any of the system components, be sure to
examine each pipe, fitting, and valve, and remove any dirt or
foreign material found in or on these components.
CAUTION
DO NOT store or install units in corrosive environments or in
locations subject to temperature or humidity extremes (e.g.,
attics, garages, rooftops, etc.). Corrosive conditions and high
temperature or humidity can significantly reduce performance,
reliability, and service life. Always move units in an upright
position. Tilting units on their sides may cause equipment
damage.
Step 3 — Locate Unit
The following guidelines should be considered when choosing a
location for the WSHP:
•
Units are for indoor use only.
•
Provide sufficient space for water and electrical connections.
•
Locate unit in an area that allows for easy access and
removal of access panels.
•
Allow enough space for service personnel to perform
maintenance.
049
Scroll
1
450/3100
1
62
0.64
280
300
210
240
Scroll
Scroll
1
2
450/3100
450/3100
1-1/2
2
3.31
1.00
220
140
890
1230
910
1260
061
071
Scroll
Scroll
1
1
450/3100
450/3100
1
1
72
90
0.77
1.05
310
430
330
450
360
420
Scroll
Scroll
2
2
450/3100
450/3100
2
2
3.31
3.31
210
220
1550
1700
1580
1730
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