Trane WSHP PRC003 EN Thermostat User Manual

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Accessories  
Thermostats/Sensors  
• Near radiant heat (appliances,  
windows, etc.)  
Thermostat/Sensor Location  
Location of the thermostat or zone sen-  
sor is an important element of effective  
room control and comfort.  
• Near concealed pips or chimneys  
• On outside walls or other  
non-conditioned surfaces.  
The best location is typically on a wall,  
remote from the HVAC unit. Readings at  
this location assure that the desired set-  
point is achieved across the space, not  
just near the unit itself. It may be neces-  
sary to subdivide the zone to ensure  
adequate control and comfort.  
• In air flows from adjacent zones or  
other units.  
See Figure 36 for detailed areas where  
the thermostat or zone sensor should  
and should not be mounted.These  
include:  
• Near drafts or “dead spots”  
(Behind doors or corners)  
• Near hot or cold air ducts  
Figure 36: Proper thermostat and sensor location.  
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Accessories  
Thermostats/Sensors  
Thermostat/Sensor  
Part Number  
Description  
MercuryThermostat  
X13510309010 - thermostat  
X13530069010 - subbase  
• 0-stage heat/1-stage cool manual  
changeover with COOL-OFF  
• Non Programmable  
(006 - 060 models only)  
• Fan switching includes  
• FAN ON-AUTO  
Manual Changeover Digital Stat  
• 2-stage heat/1-stage cool  
• System switching includes HEAT-OFF-  
COOL  
X13511039010  
(006 - 060 models only)  
• Fan switching includes AUTO-ON  
• Non programmable  
• Auto compatible with F or C  
O
O
temperature readings  
Auto/Manual Changeover Digital Stat  
• 1-stage heat/1-stage cool  
• System switching includes HEAT-OFF-  
COOL-AUTO  
X13511041010  
X13511042010  
X13511043010  
• Fan switching includes ON-AUTO  
• Non programmable  
O
O
• Auto compatible with F or C  
temperature readings  
Auto/Manual Changeover Digital Stat  
• 3-stage heat/2-stage cool  
• System switching includes HEAT-OFF-  
COOL-AUTO  
• Fan switching includes ON-AUTO  
• 7-day programmable  
• Adjustable 1 to 15-degree night setback  
O
O
• Auto compatible with F or C  
temperature readings  
Manual Changeover Digital Stat  
• 2-stage heat/1-stage cool  
• System switching includes HEAT-OFF-  
COOL  
• Fan switching includes ON-AUTO  
• 5-day programmable  
• Adjustable 1 to 15-degree night setback  
O
O
• Auto compatible with F or C  
temperature readings  
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Accessories  
Thermostats/Sensors  
Thermostat/Sensor  
Part Number  
Description  
DigitalThermsostat  
• 3-stage heat/2-stage cool with AUTO-  
EM HEAT-HEAT-OFF-COOL  
• Non Programmable  
X13511091010 - thermostat  
X13511092010 - subbase  
• Fan switching includes FAN ON-AUTO  
• 2 LEDs  
• Auto compatible with F or C  
(072 - 150/240 models only)  
O
O
temperature readings  
Zone Sensor  
X13510628010  
Tracer ZN510 and ZN524 compatible  
• Internal setpoint adjustment wheel  
• Communication Jack  
Zone Sensor  
X13510606010  
X13510606020  
X13510635010  
Tracer ZN510 and ZN524 compatible  
• External setpoint adjustment wheel  
• Communication Jack  
Zone Sensor  
Tracer ZN510 and ZN524 compatible  
• External setpoint adjustment wheel  
• Communication Jack  
• ON and CANCEL buttons  
Zone Sensor  
Tracer ZN510 and ZN524 compatible  
• External setpoint adjustment wheel  
• Communication Jack  
• ON and CANCEL buttons  
• Fan switch AUTO-OFF  
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Accessories  
Pump Module  
The pump module and hose kit make a  
complete self-contained pumping pack-  
age for distributed pumping systems.  
These kits contain all the necessary  
components for the installation, opera-  
tion and maintenance of the water cir-  
cuit of a closed loop geothermal appli-  
cation. Standard pump module features  
include insulated Grundfos pumps,  
insulated cabinet, bronze or cast iron  
pump, and 3-way brass valves.The  
module is factory piped, wired and  
mounted. See Figure 40 for pump mod-  
ule assembly. Literature number  
WSHPC-IN-5 (72-9006-03) will provide  
electrical and dimensional require-  
ments for the PMCA and PMBA prod-  
ucts.  
Motorized Water Valve  
The motorized water valve is installed  
on the return line of the water loop sys-  
tem between the loop and the loops  
pump module.This isolation device is  
less expensive and a very effective  
alternative to the water regulating  
valve.  
When the compressor begins running,  
the valve will open, allowing water to  
flow through the unit. As the compres-  
sor shuts down, the valve slowly closes  
off.The main purpose of the motorized  
valve is to shut-off the flow of water  
through the unit when the unit is off,  
thus reducing water consumption.The  
motorized valve is fast opening to pre-  
vent compressor trip-out, and slow  
closing to prevent water hammer.  
Figure 38: Pump module hose kit  
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 of the unit.The valve  
connection sizes shall range from 1/2"  
to 1 1/2" FPT.The direct acting valve  
opens in response to an increase in dis-  
charge pressure during the cooling  
cycle.The reverse acting valve opens in  
response to a decrease in suction pres-  
sure during the heating cycle. Water  
regulating valves should be used where  
low flow and low or high fluid tempera-  
ture conditions could occur. See page  
29 of this manual for application infor-  
mation.This option is beneficial with  
open loop systems, but not necessary.  
Figure 37: Pump module  
Figure 40: Motorized water valve  
Pump Module Hose Kit  
The pump module hose kit consists of  
two brass, 3/4 or 1-inch male pipe  
thread (MPT) -by-barb fittings; two  
brass 90 degree 1-inch, MPT-by-barb  
elbows with pressure/temperature  
ports; and 10 feet of rubber hose with 4  
hose clamps.The pump module hose  
kit is available separately from the  
pump module.  
Figure 39: Water regulating valve  
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Accessories  
Ducted Panel  
Hose Kits  
The return-air arrangement may be  
easily converted from a free return-air  
system, to a ducted return-air system  
with the addition of a return-air side  
panel. By replacing the filter racks with  
the return-air panel, a complete seal  
from the duct to the unit is possible.  
The 1-1/2"(38mm) duct flange facili-  
tates ease of field connection to the  
mechanical system.This accessory is  
typically used when the return-air filter  
is placed in a built-in ceiling grille, or  
Trane provides three hose kit selections for equipment balancing.  
• Ball valve flow control (manual)  
• Circuit setter flow control (manual)  
• Automatic flow control (automatic)  
Each selection provides some accuracy in equipment balancing. Range of accuracy  
consist of 25% for the ball valve method, 20% for the circuit setter method, and  
10% for the automatic flow control method.  
Utilizing the ball valve method, the pressure/temperature measurement on the  
leaving and entering side of the heat pump is measured within the water piping.  
The ball valve is then throttled to change the amount of flow to the unit to reach  
placed within a field provided filter rack the desired temperature or pressure differential.  
assembly.  
The circuit setter method combines both the readout and the adjustment feature in  
one device. In order to determine flow rate, the user must record both handle posi-  
tion, and differential pressure drop.Then, the user must consult a chart containing  
both pieces of information to make the necessary adjustments to the circuit setter.  
For automatic system balancing of a water-source heat pump, the Mesurflo® self  
balancing kit provides a constant flow rate over the pressure differential rage of 2  
to 80 psid. As system pressure changes (through further addition of heat pumps,  
for example) each individual flow control valve will automatically adjust to the new  
system conditions. In variable water volume applications, a self balancing hose kit  
can provide continuous balancing because of its ability to automatically adjust to  
the varying system conditions. For more information pertaining to the automatic  
balancing hose kits, see literature  
documentation WSHP-SLB005-EN.  
Figure 41: Return-air duct panel  
Unit  
Size  
A
B
Model  
Number  
(in/mm) (in/mm)  
006-  
015  
17-1/2  
(445)  
13  
(330)  
4474 1133 0100  
4474 1134 0100  
4474 1135 0100  
4474 1136 0100  
4475 2119 0100  
4475 2121 0100  
018-  
030  
20-1/2  
(521)  
15  
(381)  
036-  
042  
22-1/2  
(572)  
17  
(432)  
048-  
060  
26-1/2  
(673)  
19  
(483)  
150,  
180  
*
*
*
*
240  
Figure 42: System balancing hose kits.  
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Mechanical  
Specifications  
than 25 and a smoke developed classi-  
fication of less than 50 per ASTM E-84  
and UL 723.  
General  
RefrigerantTubing  
Equipment shall be completely assem-  
bled, piped, internally wired, fully  
charged with HCFC-22 and test operat-  
ed at the factory. Filters, thermostat  
field interface terminal strip, and all  
safety controls are furnished and facto-  
ry installed.  
The refrigerant tubing shall be of 99%  
pure copper.This system shall be free  
from contaminants and conditions such  
as drilling fragments, dirt and oil. All  
refrigerant and water lines shall be  
insulated with an elastomeric insulation  
that has a 3/8-inch thick wall in the air-  
side section of the unit.  
Access for inspection and cleaning of  
the unit drain pan, coils and fan section  
shall be provided.The unit shall be  
installed for proper access.  
Filters  
The system water inlet and outlet con-  
nections shall be female NPT com-  
posed of either a copper or a bronze  
option.  
One inch or two inch, throwaway  
filters shall be standard and factory  
installed.The filters shall have an aver-  
age resistance of 76-percent and dust  
holding capacity of 26-grams per  
square foot.  
Refrigerant Circuits  
The refrigerant circuit shall contained a  
thermal expansion device. Service pres-  
sure ports shall be factory supplied on  
the high and low pressure sides for  
easy refrigerant pressure or tempera-  
ture testing.  
The 5-ton and below equipment shall  
contain ETL, CETL and ISO-ARI 13256-1  
listings and labels prior to leaving the  
factory. Larger units shall be rated in  
accordance with ISO-ARI 13256-1.  
Service and caution area labels shall  
also be placed on the unit in their  
appropriate locations.  
Sound Attenuation  
Sound attenuation shall be applied as a  
standard feature in the product design.  
The sound reduction package shall  
include a compressor discharge muffler,  
vibration isolation to the compressor  
and water-to-refrigerant coil, unit base  
stiffeners, insulated metal compressor  
enclosure, and a second stage of vibra-  
tion isolation to the compressor and  
water-to-refrigerant base pan.  
Air-to-Refrigerant Coil  
Internally finned, 3/8-inch copper tubes  
mechanically bonded to a configured  
aluminum plate fin shall be standard.  
Coils shall be leak tested at the factory  
to ensure the pressure integrity.The  
coil shall be leak tested to 200 psig and  
pressure tested to 450 psig.  
The 6 through 10-ton equipment shall  
contain ETL, CETL and ISO-ARI 13256-1  
listings and labels prior to leaving the  
factory. Larger units shall be rated in  
accordance with ISO-ARI 13256-1.  
Service and caution area labels shall  
also be placed on the unit in their  
appropriate locations.  
The tubes are to be completely evacu-  
ated of air and correctly charged with  
proper volume of refrigerant prior to  
shipment.The refrigerant coil distributor  
assembly shall be of orifice style with  
round copper distributor tubes.The  
tubes shall be sized consistently with  
the capacity of the coil. Suction header  
shall be fabricated from rounded cop-  
per pipe.  
All units shall be tested and rated in  
accordance with ARI 260.  
Cabinet  
Compressors  
Unit casing shall be constructed of zinc  
coated, heavy gauge, galvanized steel.  
Service to the refrigerant and controls  
shall be provided through a single  
access panel at the front of the equip-  
ment. Access to the refrigerant and  
controls for the larger units shall be  
provided through the front and side  
access panels.  
The unit shall contain a high efficiency  
rotary, reciprocating, or scroll compres-  
sor. External vibration isolation shall be  
provided by rubber mounting devices  
located underneath the mounting base  
of the compressor. A second isolation  
of the refrigeration assembly shall be  
supported under the compressor  
mounting base.  
A thermostatic expansion valve shall be  
factory selected and installed for a wide  
range of control.  
Drain Pan  
All panels shall be insulated with  
Internal thermal overload protection  
shall be provided. Protection against  
excessive discharge pressure shall be  
provided by means of a high pressure  
switch. A loss of charge shall be provid-  
ed by a low pressure safety.  
The condensate pan shall be construct-  
ed of corrosion resistant material and  
insulated to prevent sweating.The bot-  
tom of the drain pan shall be sloped on  
two planes which pitches the conden-  
sate to the drain connection.The drain  
pan shall be flame rated per UL945V-B.  
1/2-inch (13mm) thick dual density  
bonded glass fiber.The exposed side is  
a high density erosion proof material  
suitable for use in air streams up to  
3600 feet per minute (FPM).The insula-  
tion meets the erosion requirements of  
UL 181. It has a flame spread of less  
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Mechanical  
Specifications  
When the unit is installed and trapped  
per the manufacturers installation man-  
ual, and local city specifications, the  
drain pan shall be designed to leave  
puddles no more than 2-inch in diame-  
ter, no more than 1/8-inch deep, no  
longer than 3-minutes following Step 3  
of the following test:  
through configuration.They shall be  
constructed of corrosion resistant gal-  
vanized material.  
delay fuses or HACR circuit breakers for  
branch circuit protection from the pri-  
mary source of power.  
Electrical  
Basic Controls (option)  
The unit control box shall contain all  
necessary devices to allow heating and  
cooling operation to occur from a  
remote wall thermostat.These devices  
shall be as follows:  
The basic control package shall contain  
a low and high pressure switch along  
with a compressor lockout relay for  
control assistance. High voltage power  
connections shall be made at the equip-  
ments contactor. An optional conden-  
sate overflow detection device shall be  
made available with this control pack-  
age. Each device shall be factory  
mounted, wired, and tested in the  
equipment.  
1. Temporarily plug the drain pan.  
2. Fill the drain pan with 1/2-inch of  
water or the maximum allowed by  
the drain pan depth, whichever is  
smaller.  
• 24 VAC energy limiting class II  
50 VA (minimum) transformer  
• 24 VAC blower motor relay  
24 VAC compressor contactor for  
compressor control  
3. Remove the temporary plug.  
Water-to-Refrigerant Heat  
Exchanger  
Deluxe Controls (option)  
• Field thermostat connections shall  
be provided for ease of hook-up to  
a terminal strip located in the units  
control box  
The deluxe control package shall pro-  
vide a 75 VA transformer with circuit  
breaker.The controller shall include a  
lockout relay, anti-short cycle compres-  
sor protection, random start delay,  
brown-out protection, low pressure  
time delay, compressor delay on start  
and an open relay for night setback or  
pump request.  
The water-to-refrigerant heat exchanger  
shall be of a high quality co-axial coil  
for maximum heat transfer.The copper  
or optional cupro-nickel coil shall be  
deeply fluted to enhance heat transfer  
and minimize fouling and scaling.The  
coil shall have a working pressure of  
400 psig on both the refrigerant and  
water sides.The factory shall provide  
rubber isolation to the heat exchanging  
device to enhance sound attenuation.  
• Lockout relay which controls  
cycling of the compressor shall be  
provided to protect the compressor  
during adverse operating condi-  
tions.The device may be reset by  
interrupting power to the 24 VAC  
control circuit. Reset may be done  
either at a remote thermostat or  
through a momentary main power  
interruption  
Optional wiring from the factory for  
night setback, condensate overflow, hot  
gas reheat, electric heat, and compres-  
sor enable shall also be provided.Three  
LEDs (light emitting diodes) shall also  
be included for diagnostics of the  
equipment.  
Indoor Fan  
The blower shall be a forward-curved  
style wheel with four speed combina-  
tions, or nine blower motor/sheave  
combinations available.  
• A high pressure switch shall protect  
the compressor against operation  
at refrigerant system pressures  
exceeding 395 psig.  
Tracer ZN510 or ZN524  
Controller (option)  
All direct drive motors shall have  
sealed bearings that do not require  
field lubrication.  
This system shall utilize factory fur-  
nished and mounted DDC controls for  
operation of up to 120 units on a Comm  
5 (LonMark) link.TheTracer ZN510 con-  
trol package shall include a 75 VA trans-  
former.The controller shall provide ran-  
dom start delay, heating/cooling status,  
occupied/unoccupied mode, fan status  
and filter maintenance options.  
• The low-water temperature switch  
or sensor shall prevent the  
compressor operation with leaving  
water temperatures below  
20 F/-6 C.  
Options of the blower motor/fan pack-  
ages shall be selected and wired from  
the factory to match performance crite-  
ria suggested in the performance sec-  
tion.The motor shall contain a quick  
disconnect plug for service, convertibili-  
ty and safety precautions.  
• Factory installed wire harness shall  
be available for the Basic, Deluxe,  
ZN510 and ZN524 control packages.  
Optional wiring from the factory for  
condensate overflow shall be available.  
Nameplate information shall be provid-  
ed for the application of either time-  
The fan(s) shall be placed in a draw-  
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Mechanical  
Specifications  
Three LEDs (light emitting diodes) shall  
be included for diagnostics of the  
equipment.  
the cooling cycle.The reverse acting  
valve shall open in response to a  
decrease in suction pressure during the  
heating cycle. Water regulating valves  
shall be used where low flow, or low or  
high fluid temperature conditions exist.  
occurred due to the entering water tem-  
perature falling below 55 F with an  
adjustable range between 25 F to 60 F.  
The ZN510 shall be capable of a stand-  
alone application, or as applied to a full  
building automation installation.  
All power connections to the electric  
heat shall be made in the equipments  
This accessory shall be used with open- control box.  
loop systems.  
Tracer ZN524 Controller (option)  
Hot Gas Reheat (option)  
Economizing Coil (GEH option)  
The ZN524 controller shall utilize facto-  
Dehumidification shall be provided  
through a hot gas reheat option.The  
coil shall consist of 3/8"/1/2" copper  
tubes mechanically expanded into  
ry furnished and mounted DDC controls The waterside economizing package  
for operation of up to 120 units on a  
Comm 5 (LonMark) link.TheTracer  
ZN524 control package shall include a  
75 VA (minimum) transformer.The con-  
troller shall provide random start delay,  
heating/cooling status, occupied/unoc-  
shall be an external unit accessory pre-  
piped and pre-wired ready for turn-key  
installation to the unit.The economizing evenly spaced aluminum fins. All coils  
coil shall be designed to perform with  
the WSHP at unit measured flow rate of  
80.6 F DB/66.2 F WB with 45 F EWT.  
shall be proof and leak tested.The  
proof test must be performed at 1.5  
time the maximum operating pressure  
and the leak test performed at the max-  
imum operating pressure.  
cupied mode, fan status and filter main- All hydronic coils shall be of 5/8" cop-  
tenance options. Optional wiring from  
the factory for condensate overflow  
shall be available.Three LEDs (light  
emitting diodes) shall be included for  
diagnostics of the equipment.  
per and aluminum plate fin combina-  
tion. All coils shall be proof and leak  
tested from the manufacturer.The proof  
test shall be performed at 1.5 times the  
maximum operating pressure and the  
leak test at the maximum operating  
pressure.  
Ball Valves (option)  
Ball valves shall be field installed  
between the unit and the supply and  
return lines of the loop to stop water  
flow to the unit in a maintenance or  
service situation.  
The ZN524 shall be capable of a stand-  
alone application, or as applied to a full  
building automation installation.  
With this controller, the unit shall be  
capable of a hot gas reheat (for dehu-  
A dual sloped non corrosive drain pan  
shall be easily accessible and cleanable  
for the hydronic economizing coil.  
Motorized Water Valve (option)  
When extreme fluid temperature condi-  
tions do not exist with an open loop  
system, a motorized water valve shall  
be applied to each water-source heat  
pump.The motorized valve shall stop  
flow to the unit, causing pressures to  
rise.This rise in pressure will halt pump  
operation to provide greater energy  
savings of the entire system.  
midification), boilerless control for elec- An electronic two-position, 3-way valve  
tric heat, waterside economizing, and  
support of variable speed pump control  
applications.  
shall meter water flow to the economiz-  
ing coil during the economizing mode.  
It shall be factory set to energize the  
economizing mode at 55 F, while simul-  
taneously halting mechanical operation  
of the compressor.  
Orifice Ring  
Removal of the motor and fan wheel  
for the 1/2 through 5-ton units shall be  
made with the assistance of a factory  
provided orifice ring device.This device  
shall attach the wheel and motor to the  
fan housing in one assembly providing  
single side service access.  
Hanging brackets with rubber isolation  
shall be provided for the horizontal ver-  
sion of the economizing coil option.The  
bracket design shall be the same  
throughout the equipment.  
Pump Module (option)  
The pump module shall be a complete  
self contained pumping package for an  
earth-coupled heat pump system.  
The module shall consist of a single,  
1/6-HP bronze pump, and a brass 3-way  
shut-off valve.These kits shall contain  
the necessary components for the  
installation, operation, and mainte-  
nance of the water circuit of a closed-  
loop distributed pumping application.  
Electric Heat (option)  
Water Regulating Valve  
Assembly (option)  
The water regulating valve assembly  
shall consist of a direct acting valve and  
a reverse acting valve.The direct acting  
valve shall open in response to an  
increase in discharge pressure during  
Boilerless control electric heat shall be  
factory wired and tested. It shall be  
composed of a nichrome open wire coil  
designed for 2-kW per unit ton.The  
design consist of a single stage of elec-  
tric heat used as a primary heating  
source when compressor lockout has  
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Mechanical  
Specifications  
Hoses (option)  
Hoses shall consist of a stainless steel  
outer braid with an inner core of tube  
made of a nontoxic synthetic polymer  
material.The hoses shall be suitable for  
water temperatures ranging between 33  
F and 211 F without the use of glycol.  
Automatic Flow Devices (option)  
The automatic flow kit shall contain a  
Hays Mesurflo® automatic flow control  
valve, two ball valves, two flexible  
hoses, a high flowY-strainer, and may  
include a strainer blow-down and vari-  
ous other accessories.  
The automatic flow control valve shall  
be factory set to a rated flow, and shall  
automatically control the flow to within  
10% of the rated value over a 40 to 1  
differential pressure, operating range (2  
to 80 PSID). Operational temperature  
shall be rated from fluid freezing, to  
225-degrees F.The valve body shall be  
constructed from hot forged brass UNS  
C37700 per ASTM B-283 latest revision.  
For more information pertaining to the  
automatic balancing hose kits, see liter-  
ature documentation  
WSHP-SLB005-EN.  
WSHP-PRC003-EN  
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Literature Order Number  
Date  
WSHP-PRC003-EN  
PL-RF-WSHP-PRC003-05-04  
Update  
TheTrane Company  
An American Standard Company  
Supercedes  
Stocking Location  
Electronic Only  
Since theTrane Company has a policy of continuous product and product data  
improvement, it reserves the right to change design and specifications without  
notice.  
For more information, contact  
your local district office or  
e-mail us at comfort@trane.com  

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