Trane Heat Pump 2TWB SVU01A EN User Manual

2TWB-SVU01A-EN  
Use and Care  
Weathertron® Heat Pump  
22-5202-03-3605 (EN)  
 
How it works to  
keep you comfortable  
Congratulations on the purchase of your new Trane heat pump.  
Your heat pump is designed to work with a matched indoor unit  
creating a system that delivers years of dependable service  
and performance.  
The heat pump is an air conditioning system that both heats and cools. It uses electric  
energy to move the heat that already exists.  
During the winter, the heat pump extracts the heat present in cold winter air and pumps  
the heat into your home. (Yes, there’s heat in the air even in the coldest weather.) In  
summertime, it functions as a conventional air conditioner, pulling the heat out of your  
home and releasing it outside.  
It heats in winter.  
Your heat pump also filters and dehumidifies.  
When the Weathertron® heat pump circulates air, it also filters it. And since the heat  
pump is an air conditioner, it extracts excess moisture from the home, to help control  
humidity in muggy summer months.  
Acquaint yourself with your new system by spending just a few minutes with this  
booklet. Learn about the operation of your system and the small amount of mainte-  
nance it takes to keep it operating at peak efficiency.  
It cools in summer.  
Proper maintenance for  
maximum efficiency  
A heat pump is not a household appli-  
ance. It’s a self-contained system that  
requires professional maintenance  
and repair.  
Help ensure top efficiency by cleaning  
or replacing the filter monthly.*  
When the heat pump circulates and  
filters the air in your home, dust and  
dirt particles build up on the filter.  
Excessive accumulation can block the  
airflow, forcing the unit to work harder  
to maintain desired temperatures. And  
the harder your unit works, the more  
energy it uses.  
That’s why attempts at “do-it-yourself”  
repairs on an in-warranty unit may void  
the remainder of your warranty.  
Other than performing the simple main-  
tenance recommended in this manual,  
you should not attempt to make any  
adjustments to your heat pump system.  
Your dealer will be able to take care of  
any questions or problems you may have.  
Clean or replace your filter twice a  
month during seasons when the unit  
runs more often.  
Efficiency can be maintained by  
keeping outdoor unit clear of snow,  
ice and debris.  
When replacing your filter(s), always  
use the same size and type that was  
originally supplied. Filters are available  
from your dealer.  
!
CAUTION  
To prevent injury, death, or property damage, read  
and follow all instructions and warnings, including  
labels shipped with or attached to unit before  
operating your new air conditioning system.  
Efficient operation of your heat pump  
depends on the free flow of air over the  
coil. Anything that blocks the airflow,  
causes the compressor to work harder to  
move the warm air out of your house.  
Where disposable filters are used, they  
must be replaced every month with the  
same size as originally supplied.  
!
WARNING  
Disconnect all electrical power to the indoor air  
handler or furnace before removing access panels  
to perform any maintenance. Disconnect power to  
both the indoor and outdoor units. NOTE: There  
may be more than one electrical disconnect  
switch. Electric shock can cause personal injury  
or death.  
How to remove your filter.*  
Buildup of snow and ice can restrict  
airflow. As soon as possible after accu-  
mulation, clean snow from the area  
around the heat pump.  
Ask your Trane dealer where the filter  
is located in your system and how to  
service it.  
Just be sure to replace it with the arrows  
pointing in the direction of the airflow.  
To avoid overworking your unit, do not  
plant flowers or shrubbery right next to it.  
Also, make sure that nothing is stacked  
against the sides of the unit or draped  
over it.  
!
CAUTION  
Although special care has been taken to minimize  
sharp edges in the construction of your unit, be  
extremely careful when handling parts or reaching  
into the unit.  
* Before removing the filter, see the owners manual  
furnished with the indoor unit.  
22-5202-03-3605 (EN)  
3
 
Proper maintenance (cont.)  
Making sure your outdoor unit is kept  
clear at all times helps it work at peak  
efficiency.  
!
CAUTION  
!
WARNING  
Condensate drains should be checked and cleaned  
periodically to assure condensate can drain freely  
from coil to drain. If condensate cannot drain freely,  
water damage could occur.  
Improper installation, adjustment, alteration,  
service, maintenance, or use can cause explosion,  
fire, electrical shock, or other conditions which  
may cause personal injury or property damage.  
Consult a qualified installer or service agency for  
information or assistance. The qualified installer  
or agency must use factory-authorized kits or  
accessories when modifying this product.  
Keep your heat pump looking  
new for years.  
Clean the enamel finish of your heat  
pump with soap and water. For stubborn  
grease spots, use a household detergent.  
Do not use lacquer thinner or other  
synthetic solvents as they may damage  
the finish.  
• Inspection and cleaning of the blower  
wheel, housing, and motor as required.  
• Inspection and, if required, cleaning of  
indoor and outdoor coils.  
• Inspection of the indoor coil drain pan,  
plus the primary and secondary drain  
lines. If supplied, the auxiliary drain pan  
and line should be inspected at this  
time. Service should include cleaning,  
if required.  
• A check of all electrical wiring and  
connections.  
• A check for secure physical connections  
of individual components within units.  
• Operational check for the heat pump  
system to determine actual working  
condition. Necessary repair and/or  
adjustment should be performed at  
this time.  
• Your servicing dealer may offer an  
economical service or preventative  
maintenance agreement that covers  
seasonal inspections. Ask your  
dealer for further details.  
Call your dealer for additional  
routine maintenance  
Your heat pump system should be  
inspected regularly by a properly trained  
service technician. The inspection  
(preferably twice each year, but at  
least once a year) should include  
the following:  
• Routine inspection of air filter(s).  
Replacement or cleaning as required.  
How to operate your system  
for peak performance  
Setting the temperature  
Let the thermostat do its job.  
more hours after the power has been  
restored before turning the thermostat  
back on. Failure to follow this procedure  
could result in damage to your system.  
Place the system switch on COOL, and  
the fan switch on AUTO. Then set the  
temperature by using the indicator on the  
thermostat* control.  
Your system will perform most efficiently  
when you let the thermostat control it.  
Turning the system on and off manually  
is usually much less efficient. So let the  
thermostat do its job.  
!
CAUTION  
Now your system will cool your house  
whenever the indoor temperature climbs  
above the thermostat setting. It will shut  
off when the desired room temperature is  
reached.  
If heating system is not operational during the cold  
weather months, provisions must be taken to  
prevent freeze-up of all water pipes and water  
receptacles. This is very important during times  
of vacancy.  
We recommend keeping the temperature  
setting at 78°F for cooling, 68°F for heat-  
ing. However, you can select the tem-  
perature that meets your comfort level.  
In winter, it works the same way. When  
the system switch is on HEAT, the  
system will operate whenever the room  
temperature falls below the temperature  
setting. Once the desired temperature is  
reached, the system will shut off.  
The point is, once you’ve set the thermo-  
stat, keep subsequent adjustments to  
a minimum.  
How to help reduce summer humidity.  
In summer, your heat pump does more  
than cool the air — it helps remove the  
excess moisture, that can make the  
inside of your home feel muggy. When  
removing this moisture your system must  
work harder than when simply cooling  
the air.  
When you’re going to be away from  
home for a few days, or when outdoor  
temperatures are moderate, don’t let the  
air conditioner run unnecessarily. Lower  
the thermostat to 55°F in the winter. And  
raise it to 85°F in summer. Then when  
you return, or when temperature condi-  
tions dictate, you can reset the system  
and it will resume making your home  
comfortable again.  
Save energy with an electronic  
programmable thermostat.*  
Program the thermostat for the tempera-  
tures that meet your comfort level. The  
Trane electronic programmable thermo-  
stat has up to four setup or setback  
periods each day, plus weekend and  
vacation programs.  
That’s why kitchens, bathrooms and  
utility rooms should have vents and ex-  
haust fans. These devices help prevent  
accumulation of moisture throughout the  
rest of the house so your air conditioner  
works less to keep you comfortable.  
Never stop the system by shutting off  
the main power.  
If the main power is ever disconnected  
for more than three hours, turn off the  
thermostat. Then wait for at least three  
* Accessory, purchased separately. Carefully read the  
accompanying thermostat manual for complete  
operating instructions.  
4
22-5202-02-1003 (EN)  
 
The Problem Solver  
Before you call for service, check the following:  
Reduce the burden of  
unexpected repair bills with  
a Trane Extended Warranty.  
Trane offers the finest quality products  
and manufacturer’s warranties on the  
market. But, like all good things, the  
Trane-provided limited warranty on your  
new comfort equipment will come to an  
end. To keep you protected, Trane offers  
the Extended Warranty Program. It picks  
up right where your Trane limited  
Problem  
Possible cause  
Remedy  
Insufficient heating  
or cooling  
a. dirty filters  
b. air not circulating freely  
a. clean or replace  
b. check supply registers and return  
grills for blockage  
c. blocked outdoor coil  
a. power off  
c. clear away leaves or other debris  
Failure to operate  
a. make sure main switch is in  
ON position  
b. open circuit breaker or  
burned-out fuses  
c. improperly adjusted  
thermostat  
b. reset circuit breaker, or replace  
burned-out fuses  
c. check setting, adjust thermostat  
warranty leaves off. And, it offers years  
and years of reliable protection at a low  
cost. Ask your dealer for program details.  
Blue auxiliary heat  
light on  
When outdoor temperature Monitor light. If it stays on continuously  
falls, intermittent lighting  
is normal  
when above 30°F, or if it comes on  
when 50°F outdoors, call for service.  
No Heating or  
Cooling – Blower  
does not operate  
Blower door removed  
or ajar  
Close door securely to restore power  
to blower  
Unusual Noise  
Call your local servicer  
Extra Energy Tips  
Insulation  
Cooling  
13. Set the thermostat as high as  
of still air will cut heat transfer  
considerably.  
1. Make sure your home is properly  
insulated. This is the single most  
important step in conserving  
energy. Thermal insulation should  
be specified in terms of thermal  
resistance (R-values). R-30 (10")  
is recommended for ceilings, R-11  
(3-1/2) for exterior walls and floors  
over unheated areas. In colder  
climates, consider additional  
insulation.  
comfort will permit.  
5. Install storm doors at all entrances  
to your house.  
14. Make sure attics are adequately  
ventilated to relieve heat buildup.  
If necessary, improve airflow by  
adding or enlarging vents.  
6. Keep all windows and doors closed.  
7. Remember that by increasing the  
glass area, you increase the amount  
of heat added in summer and lost  
in winter.  
15. When building a new house or  
renovating an old one, choose  
light-colored roof shingles to reflect  
more of the sun’s heat.  
8. Make sure fireplaces have tight-  
fitting dampers which can be closed  
when the fireplace is not in use.  
16. During moderate weather, don’t use  
the air conditioner unnecessarily.  
2. Infiltration of humid outside air is  
your heating and cooling system’s  
worst enemy — it could account for  
15 to 30% of air conditioning energy  
requirements. Find the places where  
air can sneak into the home and  
plug them with caulking, weather-  
stripping or plastic. Also, weather-  
strip and caulk around all entrance  
doors and windows.  
9. Invest in a humidifier to conserve  
energy in winter. The air in your  
home won’t be as dry, so you stay  
comfortable at a lower temperature  
setting.  
17. Draw blinds or drapes to block the  
sunlight during the hottest part of  
the day.  
18. Install awnings over windows  
exposed to direct sunlight.  
Heating  
10. Locate the thermostat on an inside  
19. In the cooling season, don’t run  
kitchen and bath exhaust fans  
longer than necessary.  
wall away from windows and doors.  
3. Cut heat transfer through your  
windows by 40 to 50% with double  
glazing (two panes of glass sepa-  
rated by a sealed air space) and  
low-e glass.  
11. Set the thermostat as low as comfort  
permits. Each degree over 68°F can  
add 3% to the amount of energy  
needed for heating.  
20. Don’t place lamps, TV sets or other  
heat producing devices beneath a  
wall-mounted thermostat. Rising  
heat from the equipment may  
cause the heat pump to over cool  
your house.  
12. People generate heat. So lower the  
thermostat a degree or two when  
expecting a large group of guests.  
4. Use wood- or metal-frame storm  
windows even if single-glazed  
windows are high quality. The  
extra layer of glass and the layer  
22-5202-02-1003 (EN)  
5
 
Important Service Information  
It’s always a good idea to keep records — it will save you time and money. If it’s necessary to have your air conditioner repaired, the  
serviceman will want to know if your unit is still under Warranty. Take a few minutes to record the following information here:  
Outdoor Model Number ___________________________________________________________________________________  
Indoor Model Number ____________________________________________________________________________________  
Thermostat Model Number ________________________________________________________________________________  
Date of Purchase ________________________________________________________________________________________  
Dealer ________________________________________________________________________________________________  
Service Information  
Call your installing dealer if the unit is inoperative. Before you call, always check the following to be sure service is required:  
a. Be sure the main switch that supplies power to the unit is in the ON position.  
b. Replace any burned-out fuses or reset circuit breakers.  
c. Be sure the thermostat is properly set.  
Service Phone __________________________________________________________________________________________  
Literature Order Number  
File Number  
2TWB-SVU01A-EN  
P.I.  
SV-UN-2TWB-SSP-SVU-01A-EN-605  
2TWB0-UM-2  
Supersedes  
Stocking Location  
PI Louisville & Webb/Mason-Houston  
Trane  
A business of  
American Standard Companies  
Trane has a policy of continuous product and product data improvement and it reserves the right to change  
design and specifications without notice.  
 

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