WPWD 024 Performance Data - English - Trane

Performance
Data - English
WPWD 024
Ent.
Load
Temp
Load &
Source
GPM
Ent.
Source
Temp
Cooling
Capacity
MBH
EER
Ent.
Load
Temp
Load &
Source
GPM
Ent.
Source
Temp
Heating
Capacity
MBH
COP
P D
Ft of
H2O
7.00
11.60 12.7
7.00
20.59 3.90 4.3
55
25
4.00 11.13 12.4 4.00 19.55 3.90 1.4
25.00
7.00
13.34 11.4 7.00
26.40 4.92 4.3
80
75
45
4.00 12.82 10.9 4.00 25.42 4.73 1.4
7.00
12.33 7.9 7.00
31.92 5.97 4.3
95
65
4.00 11.56 7.6 4.00 30.97 5.57 1.4
7.00
20.28 21.8
7.00
22.53 3.40 4.3
55
25
4.00 19.64 20.7 4.00 22.25 3.30 1.4
45.00
7.00
18.65 15.7 7.00
26.05 3.74 4.3
100
75
45
4.00 18.24 15.0 4.00 25.38 3.64 1.4
7.00
17.78 11.6 7.00
29.47 4.11 4.3
95
65
4.00 17.24 11.0 4.00 28.45 4.01 1.4
7.00
25.00 26.2
7.00
19.78 2.40 4.3
55
25
4.00 23.95 24.5 4.00 19.17 2.40 1.4
65.00
7.00
23.83 19.6 7.00
24.88 2.86 4.3
120
75
45
4.00 22.61 18.1 4.00 24.57 2.76 1.4
7.00
22.99 14.6 7.00
29.73 3.32 4.3
95
65
4.00 22.15 13.7 4.00 28.40 3.13 1.4
EER = Energy Efficiency Ratio (cooling)
COP = Coefficent of Performance (heating)
GPM = Gallons per Minute
19

Performance
Data - English
WPWD 036
Ent.
Load
Temp.
Load &
Source
GPM
Ent.
Source
Temp
Cooling
Capacity
MBH
EER
Ent.
Load
Temp
Load &
Source
GPM
Ent.
Source
Temp
Heating
Capacity
MBH
COP
P D
Ft of
H2O
8.50
17.00 13.3
8.50
25.58 3.81 6.3
55
25
6.00 16.32 13.0 6.00 24.28 3.81 3.2
25.00
8.50
19.56 12.0 8.50
34.69 4.89 6.3
80
75
45
6.00 18.80 11.4 6.00 33.40 4.69 3.2
8.50
17.60 8.1 8.50
43.81 5.96 6.3
95
65
6.00 16.49 7.8 6.00 42.51 5.57 3.2
8.50
29.73 22.8
8.50
27.99 3.32 6.3
55
25
6.00 28.79 21.7 6.00 27.64 3.23 3.2
45.00
8.50
27.34 16.5 8.50
34.22 3.72 6.3
100
75
45
6.00 26.74 15.7 6.00 33.34 3.62 3.2
8.50
25.37 11.8 8.50
40.45 4.11 6.3
95
65
6.00 24.60 11.2 6.00 39.04 4.01 3.2
8.50
36.65 27.5
8.50
24.58 2.35 6.3
55
25
6.00 35.11 25.7 6.00 23.81 2.35 3.2
65.00
8.50
34.94 20.5 8.50
32.69 2.84 6.3
120
75
45
6.00 33.15 19.0 6.00 32.28 2.74 3.2
8.50
32.81 14.9 8.50
40.81 3.32 6.3
95
65
6.00 31.61 14.0 6.00 38.98 3.13 3.2
EER = Energy Efficiency Ratio (cooling)
COP = Coefficent of Performance (heating)
GPM = Gallons per Minute
20

Performance
Data - English
WPWD 042
Ent.
Load
Temp
Load &
Source
GPM
Ent.
Source
Temp
Cooling
Capacity
MBH
EER
Ent.
Load
Temp
Load &
Source
GPM
Ent.
Source
Temp
Heating
Capacity
MBH
COP
P D
Ft of
H2O
9.50
19.90 13.3
9.50
30.45 3.90 8.3
55
25
7.00 19.10 13.0 7.00 28.91 3.90 4.4
25.00
9.50
22.90 12.0 9.50
41.30 5.00 8.3
80
75
45
7.00 22.00 11.4 7.00 39.76 4.80 4.4
9.50
20.60 8.1 9.50
52.15 6.10 8.3
95
65
7.00 19.30 7.8 7.00 50.61 5.70 4.4
9.50
34.80 22.8
9.50
33.32 3.40 8.3
55
25
7.00 33.70 21.7 7.00 32.90 3.30 4.4
45.00
9.50
32.00 16.5 9.50
40.74 3.80 8.3
100
75
45
7.00 31.30 15.7 7.00 39.69 3.70 4.4
9.50
29.70 11.8 9.50
48.16 4.20 8.3
95
65
7.00 28.80 11.2 7.00 46.48 4.10 4.4
9.50
42.90 27.5
9.50
29.26 2.40 8.3
55
25
7.00 41.10 25.7 7.00 28.35 2.40 4.4
65.00
9.50
40.90 20.5 9.50
38.92 2.90 8.3
120
75
45
7.00 38.80 19.0 7.00 38.43 2.80 4.4
9.50
38.40 14.9 9.50
48.58 3.40 8.3
95
65
7.00 37.00 14.0 7.00 46.41 3.20 4.4
EER = Energy Efficiency Ratio (cooling)
COP = Coefficent of Performance (heating)
GPM = Gallons per Minute
PSI = Pound per Square Inch
21

Performance
Data - English
WPWD 048
Ent.
Load
Temp
Load &
Source
GPM
Ent.
Source
Temp
Cooling
Capacity
MBH
EER
Ent.
Load
Temp
Load &
Source
GPM
Ent.
Source
Temp
Heating
Capacity
MBH
COP
P D
Ft of
H2O
11.00
22.60 13.0
11.00
32.89 3.64 11.2
55
25
7.50 21.69 12.7 7.50 31.22 3.64 5.0
25.00
11.00
26.01 11.7 11.00
44.60 4.67 11.2
80
75
45
7.50 24.99 11.2 7.50 42.94 4.48 5.0
11.00
23.40 7.9 11.00
56.32 5.69 11.2
95
65
7.50 21.92 7.6 7.50 54.66 5.32 5.0
11.00
39.53 22.3
11.00
35.99 3.17 11.2
55
25
7.50 38.28 21.2 7.50 35.53 3.08 5.0
45.00
11.00
36.35 16.1 11.00
44.00 3.55 11.2
100
75
45
7.50 35.55 15.4 7.50 42.87 3.45 5.0
11.00
33.73 11.5 11.00
52.01 3.92 11.2
95
65
7.50 32.71 11.0 7.50 50.20 3.83 5.0
11.00
48.73 26.9
11.00
31.60 2.24 11.2
55
25
7.50 46.68 25.1 7.50 30.62 2.24 5.0
65.00
11.00
46.45 20.1 11.00
42.03 2.71 11.2
120
75
45
7.50 44.07 18.6 7.50 41.50 2.61 5.0
11.00
43.61 14.6 11.00
52.47 3.17 11.2
95
65
7.50 42.02 13.7 7.50 50.12 2.99 5.0
EER = Energy Efficiency Ratio (cooling)
COP = Coefficent of Performance (heating)
GPM = Gallons per Minute
PSI = Pound per Square Inch
22

Performance
Data - English
WPWD 060
Ent.
Load
Temp
Load &
Source
GPM
Ent.
Source
Temp
Cooling
Capacity
MBH
EER
Ent.
Load
Temp
Load &
Source
GPM
Ent.
Source
Temp
Heating
Capacity
MBH
COP
P D
Ft of
H2O
14.0
29.23 13.1
14.0
43.84 3.81 18.5
55
25
10.0 28.06 12.8 10.0 41.63 3.81 9.2
25.00
14.0
33.64 11.8 14.0
59.47 4.89 18.5
80
75
45
10.0 32.32 11.2 10.0 57.25 4.69 9.2
14.0
30.26 8.0 14.0
75.09 5.96 18.5
95
65
10.0 28.35 7.7 10.0 72.87 5.57 9.2
14.0
51.12 22.5
14.0
47.98 3.32 18.5
55
25
10.0 49.51 21.4 10.0 47.37 3.23 9.2
45.00
14.0
47.01 16.3 14.0
58.66 3.72 18.5
100
75
45
10.0 45.98 15.5 10.0 57.15 3.62 9.2
14.0
43.63 11.6 14.0
69.34 4.11 18.5
95
65
10.0 42.31 11.0 10.0 66.93 4.01 9.2
14.0
63.02 27.1
14.0
42.13 2.35 18.5
55
25
10.0 60.38 25.3 10.0 40.82 2.35 9.2
65.00
14.0
60.09 20.2 14.0
56.04 2.84 18.5
120
75
45
10.0 57.00 18.7 10.0 55.33 2.74 9.2
14.0
56.41 14.7 14.0
69.95 3.32 18.5
95
65
10.0 54.36 13.8 10.0 66.82 3.13 9.2
EER = Energy Efficiency Ratio (cooling)
COP = Coefficent of Performance (heating)
GPM = Gallons per Minute
PSI = Pound per Square Inch
23

Performance
Data - English
WPWD 072
Ent.
Load
Temp
Load &
Source
GPM
Ent.
Source
Temp
Cooling
Capacity
MBH
EER
Ent.
Load
Temp
Load &
Source
GPM
Ent.
Source
Temp
Heating
Capacity
MBH
COP
P D
Ft of
H2O
16.0
32.43 12.6
16.0
51.76 3.81 24.4
55
25
10.0 31.13 12.3 10.0 49.14 3.81 9.2
25.00
16.0
37.32 11.4 16.0
70.21 4.89 24.4
80
75
45
10.0 35.85 10.8 10.0 67.59 4.69 9.2
16.0
33.57 7.7 16.0
88.65 5.96 24.4
95
65
10.0 31.45 7.4 10.0 86.03 5.57 9.2
16.0
56.71 21.7
16.0
56.64 3.32 24.4
55
25
10.0 54.92 20.6 10.0 55.93 3.23 9.2
45.00
16.0
52.15 15.7 16.0
69.25 3.72 24.4
100
75
45
10.0 51.01 14.9 10.0 67.47 3.62 9.2
16.0
48.40 11.2 16.0
81.87 4.11 24.4
95
65
10.0 46.93 10.6 10.0 79.01 4.01 9.2
16.0
69.91 26.1
16.0
49.74 2.35 24.4
55
25
10.0 66.98 24.4 10.0 48.19 2.35 9.2
65.00
16.0
66.65 19.5 16.0
66.16 2.84 24.4
120
75
45
10.0 63.23 18.0 10.0 65.33 2.74 9.2
16.0
62.58 14.1 16.0
82.58 3.32 24.4
95
65
10.0 60.29 13.3 10.0 78.89 3.13 9.2
EER = Energy Efficiency Ratio (cooling)
COP = Coefficent of Performance (heating)
GPM = Gallons per Minute
PSI = Pound per Square Inch
24

Dimensional
Data - English
WPWD 024-036
Unit Size 024-036
Unit Size
Unit Weight
(lbs.)
024 163
036 183
TOP
23 5/16”
FRONT
RIGHT
SIDE
23”
24 13/16”
23”
TOP
HI VOLTAGE
PUMP WIRING-OUT
LOW VOLTAGE
WATER REGULATING
VALVE
LOAD-OUT
1” NPTI
24 5/16”
DESUPER-OUT
1/2” NPT
HIGH-PRESS CONN
DESUPER-IN
1/2” NPT
LOW-PRESS CONN
SOURCE-OUT
1” NPTI
LOAD-IN
1” NPTI
6 1/8”
9 3/8”
11 3/4”
FRONT
8 7/16”
11 1/2”
17 9/16”
SOURCE-IN
1” NPTI
3/4”
21 7/8”
RIGHT SIDE
25

Dimensional
Data - English
WPWD 042-072
Unit Size 042-072
Unit Size
Unit Weight
(lbs.)
042 203
048 214
060 244
072 277
TOP
23 5/16”
FRONT
RIGHT
SIDE
23”
24 13/16”
23”
TOP
HI VOLTAGE
PUMP WIRING-OUT
LOAD-OUT
1” NPTI
LOW VOLTAGE
WATER REGULATING
VALVE
24 5/16”
DESUPER-OUT
1/2” NPT
HIGH-PRESS CONN
DESUPER-IN
1/2” NPT
LOW-PRESS CONN
SOURCE-OUT
1” NPTI
LOAD-IN
1” NPTI
6 1/8”
9 3/8”
16 1/8”
17 3/4”
FRONT
8 7/16”
11 1/2”
17 9/16”
18 15/16”
21 7/8”
SOURCE-IN
1” NPTI
RIGHT SIDE
3/4”
26

Wiring
Diagram
208V or 230V
1-Phase
TO FIELD
DISCONNECT
L1
L2
CONTACTOR
L1
L2
FUSE
DISCHARGE WATER
T’STAT
FIELD
FUSING
HI
PRESS
T1
T2
COMPR
230V 2.5A
MAX TO WATER LOOP PUMP MODULE
(PMBA AND PMCA)
LO
PRESS
FREEZESTAT’S
1 2
C
R
CAPACITOR
ENTERING WATER
T’STAT
S
LOCKOUT
RELAY
6 C1
5 C2
DESUPERHEATER
PUMP
(BLACK)
TRANSFORMER
230V (ORANGE)
24V POWER
208v (RED)
GROUND
CONTACTOR COIL
REVERSING VA COIL
1 2 3 4 5 6 7 8 9 10
FIELD WIRING
LINE VOLTAGE
LOW VOLTAGE
COMMON
24V POWER
COMPRESSOR
REVERSING VA
(ENERGIZED IN COOLING)
27

Wiring
Diagram
208V-230V
3-Phase
TO FIELD
DISCONNECT
L1
L2
L3
CONTACTOR
L1 L2
T1
L3
T2 T3
FUSE
DISCHARGE WATER
T’STAT
ENTERING WATER
T’STAT
FIELD
FUSING
COMPR
C
S
R
LOCKOUT
RELAY
DESUPERHEATER
PUMP
(BLACK)
TRANSFORMER
230V (ORANGE)
208v (RED)
230V 2.5A
MAX TO WATER LOOP PUMP MODULE
(PMBA AND PMCA)
6 C1
5 C2
24V POWER
GROUND
HI
PRESS
LO
PRESS
FREEZESTAT’S
1 2
CONTACTOR COIL
REVERSING VA COIL
1 2 3 4 5 6 7 8 9 10
FIELD WIRING
LINE VOLTAGE
LOW VOLTAGE
COMMON
24V POWER
COMPRESSOR
REVERSING VA
(ENERGIZED IN COOLING)
28

Accessory
Options
Accessory Items
q Water Regulating Valve
Assembly: The water
regulating valve assembly
consists of a direct acting valve
and a reverse acting valve
installed on the water-out side.
The direct acting valve opens
in response to an increase in
discharge pressure during the
cooling cycle. The reverse
acting valve opens in response
to a decrease in suction
pressure during the heating
cycle. Water regulating valves
should be used where low flow,
and low or high fluid
temperature conditions could
occur.This option is beneficial
with open loop systems, but not
necessary. See Figure 13 for
water regulating valve
assembly.
Figure 13: Water Regulating Valve
Assembly
q Motorized Water Valve for open
loop systems: The motorized
water valve is installed on the
return line of the system
between the loop and the loop
pump module. This isolation
device is a much less
expensive and very effective
alternative. When the
compressor begins running,
the valve will open, allowing
water to flow through the unit.
As the compressor shuts down,
the valve slowly closes off. The
main purpose of the automatic
device is to prevent water
hammer, by keeping the
pressure raised in the loop
system during off cycles.
q Pump Module: The pump
module and the hose kit make
a complete self-contained
pumping package for the earthcoupled
heat pump system.
These kits contain all the
necessary components for the
installation, operation and
maintenance of the water
circuit of a closed loop
geothermal application.
Standard pump module
features include insulated
Grundfos pumps, insulated
cabinet, optional cast iron or
bronze pumps, 3-way brass
valves and the choice of a one
or two pump module. See
literature number WSHPC-IN-5
(72-9006-03) for the PMCA and
PMBA catalog.
q Hose Kits: The basic hose kit
consists of a stainless steel
outer braid with an inner core
or tube made of a non-toxic
synthetic polymar. The
couplings are designed with
solid male pipe thread at one
end, and a ground-joint cone
seat swivel female with a male
adapter at the opposite end.
The hoses are suitable for
water temperatures ranging
between 33° F and 211°F
without the use of glycol. See
Figure 14 for hoses.
Figure 14: Braided steel hose kit
Additional options can be provided
to accompany the hose kit design.
These kits consist of a manual shut
off/balancing device on the supply
and return, or a self balancing device.
The specialized hose kits can
be ordered with or without a strainer.
See Figure 15 and 16 for manual
and automatic balancing kit.
Figure 15: Manual balancing kit
with strainer
Figure 16: Automatic balancing kit
with strainer
q Sand Filter/Separator: A sand
filter/separator helps ensure
clean water for the water-torefrigerant
heat exchanger. The
recommended strainer is 60
mesh or greater. The strainer
keeps particles and debris from
entering the system.
29

Accessory
Options
Thermostats
Auto Changeover
w/ Adjustable Dead Spot
X1351 0598 010
q Electric Ratings: 24 to 30
VAC
q Temperature Scale:
42 F to 88 F
q Thermometer Range:
42 F to 88 F
q Stages: 1 cool / 1 heat /
1 changeover
q Switching contacts:
2.5 A at 30 VAC
FALL
RISE
H1
ANTICIPATOR
2
H1
3
4
6
8
CO
9
C1 ANTICIPATOR
10
C1
OFF
AUTO
FAN SWITCH
AUTO
ON
SYSTEM SWITCH
Y1
Y2
G
R
L
X1
C
X2
REVERSING
VALVE
COMPRESSOR
FR
24V POWER
RISE
Manual Changeover
w/ Adjustable Dead Spot
X1351 0589 010
FALL
H1
H1 ANTICIPATOR
2
AUTO
ON
FAN SWITCH
W1
W2
24V POWER
q Electric Ratings: 24 to 30
VAC
q Temperature Scale:
42 F to 88 F
q Thermometer Range:
42 F to 88 F
q Stages: 1 cool / 1 heat
q Switching contacts:
2.5 A at 30 VAC
FALL
RISE
H2 ANTICIPATOR
H2
C1
C1 ANTICIPATOR
C2 ANTICIPATOR
3
4
6
8
9
10
HEAT
OFF
COOL
SYSTEM SWITCH
B
R
O
G
Y1
FR
REVERSING
VALVE
C2
RISE
Y2
COMPRESSOR
Manual Changeover
w/ no Dead Spot
X1351 0575 010
HEATING
ANTICIPATOR
HEAT
OFF
q Electric Ratings: 24 to 30
VAC
q Temperature Scale:
48 F to 85 F
q Thermometer Range:
44 F to 96 F
q Stages: 1 cool / 1 heat
q Switching contacts:
1.5 A at 30 VAC
COOLING
ANTICIPATOR
COOL
AUTO
ON
A
Y
G
R
A
Y
G
R
REVERSING
VALVE
COMPRESSOR
FR
24V POWER
Manual Changeover
w/ no Dead Spot
X1351 0309 010
q Electric Ratings: 24 to 30
VAC
q Temperature Scale:
50 F to 100 F
q Thermometer Range:
52 F to 98 F
q Stages: 1 cool / 1 heat
q Switching contacts:
1.5 A at 30 VAC
X
HEAT
B
OFF
R1
TEMP
FALL
FIXED COOL
ANTICIPATOR
ADJUSTABLE
HEAT
ANTICIPATOR
W1
Y1
AUTO ON
COOL HEAT OFF COOL
O
W
Y G R
30

Mechanical
Specification
General
Equipment shall be completely assembled,
piped, internally wired,
and test operated at the factory.
National Pipe threaded (NPT) female
domestic water inlet and outlet
connections, NPT female
condensate connection, thermostat
field interface terminal strip,
and all safety controls shall be furnished
and factory installed. The
system water inlet and outlet connections
shall be a female NPT
swivel quick connector with stainless
steel stop ring that allows simplified
field installation.
Equipment shall be ETL and CSA
listed.
All equipment shall have decals
and labels to aid in the service and
indicate caution areas.
WPWD Casing
The cabinet shall be constructed of
galvanized heavy-gauge steel with
an electrostatic powder paint finish
for an appliance grade finish.
The top, front half of the diagonal
cabinet shall be removable for access
to all of the internal components.
All panels shall be insulated
with 1/2-inch thick, 1-1/2 lb. density,
neoprene backed, acoustical fiberglass
insulation.
Refrigeration System
Compressor
The unit shall include a high efficiency,
scroll compressor with internal
vibration isolation that
absorbs starting and stopping energy.
External vibration isolation
shall be provided by rubber mounting
devices located underneath the
mounting base of the compressor.
Internal thermal overload protection
shall be provided. Protection
shall be provided against excessive
discharge pressure operation
by means of a high pressure
switch. Loss of charge protection
shall be provided by a low pressure
switch.
Water-to-Refrigerant Heat
Exchanger
The water-to-refrigerant heat exchanger
is a high quality stainless
steel brazed plate heat exchanger
The stainless steel offers corrosion
resistance comparable to the
cupro-nickel design. The coil shall
have a working pressure rating of
450 psig on both the refrigerant
and water sides. The coil shall
have a bi-directional liquid line filter
drier to remove any contaminants
from entering the circuit.
Freezestat and Lock Out Relay
A freezestat shall be included to
protect the unit from unusually cold
fluid flow or no fluid flow conditions.
A 20 F freezestat is for use on
closed loop systems with antifreeze
solution. All other types of
systems typically use a 35 F
freezestat.
A lockout relay circuit consisting of
three safety devices—low pressure,
high pressure, and freezestat,
shall trigger the lockout relay
to shut off the compressor, the loop
pumps, and the desuperheater
pump if a problem is detected. A
lockout relay may be reset by cycling
the power to the unit.
Reversing Valve
The reversing valve shall be a pilot
operating sliding piston type with
replaceable encapsulated magnetic
coil. The reversing valve is energized
in the cooling cycle.
Refrigerant Tubing
Refrigerant tubing shall be copper.
All low temperature refrigerant
lines shall be insulated with an
elastomeric insulation that has a
3/8-inch thick wall with a flame
spread rating of less than 25 and
smoke density rating of less than
50, as tested in accordance with
ASTM-85. The elastomeric insulation
shall have a UL 94V-5 rating.
Refrigerant Metering
The equipment shall be provided
with a (TXV) thermal expansion
valve to allow operation from 25 F
to 120 F entering fluid temperatures.
31
Servicing
The equipment shall be provided
with both high and low pressure
schrader ports for servicing.
Electrical
A factory tested and installed control
box shall contain all necessary
devices to allow heating and cooling
operation of the equipment to
occur from a remote wall thermostat.
These devices shall be as follows:
• 24 VAC, Energy Limiting Class
II, 50VA breaker type transformer
• Compressor controller shall be
a 24 VAC contactor
• Thermostat connections shall
be to a terminal strip having a
minimum of four terminals
located on the unit. This
interface shall provide the
means of connection between
the thermostat and operating
controls contained within the
unit.
• An electrically operated safety
lockout relay shall be provided
to prevent cycling of the compressor
during adverse conditions
of operation. This
device may be reset either at a
remote thermostat or by
cycling power to the unit.
• A high pressure switch shall be
provided to help protect the
compressor against operation
at refrigerant system
pressures in excess of 395
psig.
• The low water temperature
switch shall be provided to
help protect the water-torefrigerant
heat exchangers
from freezing. This device
shall help prevent compressor
operation at leaving water temperatures
below 35 F.
An optional 20 F temperature
switch may be applied for low
temperature or geothermal
applications, where an appropriate
antifreeze solution is
used. This device shall help
prevent compressor operation
at leaving fluid temperatures
below 20 F.

Mechanical
Specifications
• A low pressure switch shall be
provided to help prevent compressor
operation under low
charge or catastrophic loss of
charge situations. The low
pressure switch is set to
activate at refrigerant
pressures of 35 psig when a 35
F freezestat is used; 7 psig
when a 20 F freezestat is used.
• Nameplate information shall
be provided within each unit to
help identify the unit’s model
number, operating ranges,
voltage ranges, and electrical
specifications.
Desuperheater
A double-walled, vented, copper
desuperheater shall be factory installed
complete with circulating
pump and high limit thermostat.
The desuperheater will help to heat
domestic hot water while the unit is
cooling or heating. The desuperheater
will not operate until the
compressor discharge line reaches
145 F.
Water Regulating Valve
Assembly
The water regulating valve assembly
consists of a direct acting valve
and a reverse acting valve. The direct
acting valve opens in response
to an increase in discharge
pressure during the cooling cycle.
The reverse acting valve opens in
response to a decrease in suction
pressure during the heating cycle.
Water regulating valves should be
used where low flow, or low or high
fluid temperature conditions could
occur. This option should be used
with open loop systems.
Ball Valves
Ball valves installed between the
unit and the loop pump module, on
both supply and return lines, allows
the loop to be isolated from the
heat pump for servicing.
Motorized Water Valve
When extreme fluid temperature
conditions do not exist with an
open loop system, a motorized water
valve is a much less expensive
and very effective alternative. It
also prevents water hammer by
keeping the pressure up in the loop
system during off cycles.
Pump Module and Hose
Kits
The pump module and the hose kit
make a complete self-contained
pumping package for the earthcoupled
heat pump system.
These kits contain all the necessary
components for the installation,
operation, and maintenance
of the water circuit of a closed-loop
geothermal application.
Standard pump module features
include an insulated cabinet, optional
insulated, cast-iron or bronze
pumps—available in one- or twopump
configurations, and
three-way brass valves.
The hose kit and the pump module
are no longer a single item. The
hose kits are available separately
and include two brass, 1-inch male
pipe thread (MPT)-by-barb fittings;
two brass 90-degree 1-inch, MPTby-barb
elbows with pressure/temperature
ports; and 10 feet of rubber
hose with 4 hose clamps.
Other a accessories that may be
ordered are a 1-inch brass quick
connect fitting; 1-inch MPT-bybarb
fitting; 1-inch brass MPT-bybarb,
90 degree elbow; pressure/
temperature ports, also known as
Pete’s plugs; and 10 feet of rubber
hose.
Note: A strainer device should be
used on all open loop applications.
Warranty
The unit shall be warranted by the
manufacturer against defects in
material and factory workmanship
for one year. The refrigerant circuit
including motor-compressor,
expansion device, all heat
exchangers in contact with
refrigerants, and reversing valve
(less solenoid coil) are warranted
for an additional one year (parts
only). Optional extended
warranties are available.
32

The Trane Company
North American Commercial
3600 Pammel Creek Road
La Crosse, WI 54601-7599
An American-Standard Company
Since The Trane Company has a policy of
continuous product improvement, it
reserves the right to change design and
specifications without notice.
Library
Product Literature
Product Section
Unitary
Product
Water Source Heat Pump - Water-to-Water
Model 000
Literature Type
Data Sales Catalog
Sequence 1
Date March 2000
File No.
PL-UN-WSHP-000-DS-6-0300
Supersedes WSHP-D-6 November 1994
Ordering No.
WSHP-DS-6