Carrier Heat Pump 25VNA User Manual

25VNA  
Infinityt Variable Speed Heat Pump  
with Greenspeedt Intelligence  
2 to 5 Nominal Tons  
Owner’s Manual  
A NOTE ABOUT SAFETY  
INFINITY VARIABLE SPEED OPERATION  
You may notice your system runs for longer periods of time. This  
system is designed to meet cooling or heating needs of the home at  
a wide range of conditions. Your indoor temperature will remain  
more consistent with fewer drafts, better humidity control,  
enhanced comfort and enhanced energy efficiency.  
Any time you see this symbol  
in manuals, instructions and on  
the unit, be aware of the potential for personal injury. There are  
three levels of precaution:  
DANGER identifies the most serious hazards which will result in  
severe personal injury or death.  
HEATING AND COOLING YOUR HOME  
For heating or cooling operation, make sure the System or Mode  
control is set to the appropriate mode. Then, adjust the  
Temperature control to your desired setting. Finally, use the Fan  
control to select Automatic (turns on and off as heating is needed)  
or On (runs continuously).  
Depending on your typical heating needs, your home comfort  
system may also include a supplementary heating source that will  
automatically turn on as needed. You may also select this heat  
source manually if desired.  
WARNING signifies hazards that could result in personal injury or  
death.  
CAUTION is used to identify unsafe practices which would result  
in minor personal injury or product and property damage.  
NOTE is used to highlight suggestions which will result in  
enhanced installation, reliability, or operation.  
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WARNING  
PERSONAL INJURY, DEATH AND / OR PROPERTY  
DAMAGE HAZARD  
OPERATION UNDER EXTREME  
CONDITIONS  
Your heat pump will run as long as necessary to maintain the  
indoor temperature selected on your Infinity Control. On extremely  
hot days, your heat pump will run for longer periods at a time than  
on moderate days. Your system will also run for longer periods of  
time under the following conditions:  
Failure to follow this warning could result in personal injury,  
death or property damage.  
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, service agency,  
or your distributor or branch for information or assistance. The  
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Frequent opening of exterior doors  
Operating laundry appliances  
Taking hot showers  
More than the usual number of people present in the home  
More than the normal number of electric lights in use  
Drapes or blinds are open on the sunny side of the home  
qualified  
installer  
or  
service  
agency  
must  
use  
factory--authorized kits or accessories when modifying this  
product.  
Read and follow all instructions and warnings, including labels  
shipped with or attached to unit before operating your new heat  
pump.  
IMPORTANT HEAT PUMP FACTS  
Heat pump systems have a few unique features and operations that  
you should be aware of:  
ABOUT YOUR HEAT PUMP SYSTEM  
Identifying Your System  
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During the heating cycle, your heat pump delivers a constant  
flow of air at around 95° to about 105° F, compared to sudden  
blasts of hot air provided by a typical furnace.  
Ice or frost may form on the outdoor coil during winter heating  
operation. Your heat pump will automatically melt the ice us-  
ing its defrost cycle. During defrost, you may see steam or fog  
rising from the outdoor unit, which is normal. At the beginning  
and end of the defrost cycle, you may hear a "whoosh" sound  
coming from the unit. This is normal for heat pump  
applications.  
Your new Carrier heat pump system is what we call a ”split  
system.” It has an outdoor unit and an indoor unit connected to  
each other with copper tubing called refrigerant lines. Each of  
these units has a rating plate with the model and serial numbers  
you will need to reference when calling an authorized Carrier  
dealer about your system.  
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Take a few moments now to locate those numbers and record them  
in the spaces provided on the cover of this booklet.  
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Heat pumps installed in areas expecting snow are elevated with  
support feet.  
USING YOUR NEW CARRIER SYSTEM  
Your Carrier heat pump system is controlled by a wall--mounted  
Infinity Control installed inside your home. This system requires  
an Infinity Control which has software designed specifically to  
operate this system. See the Infinity Control Homeowner Guide  
for more details on system operation.  
 
REGULAR DEALER MAINTENANCE  
In addition to the routine maintenance that you perform, your  
home comfort system should be inspected regularly by a properly  
trained service technician. Many dealers offer this service at a  
reduced rate with a service contract. Some service contracts offer  
additional benefits such as parts discounts and no additional charge  
for ”after hours” or emergency service.  
Your annual system inspection should include:  
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Routine inspection of air filter(s) with replacement or cleaning  
as required  
Inspection and cleaning of the blower wheel housing and  
motor  
Inspection and, if required, cleaning of indoor and outdoor  
coils  
Inspection of the indoor coil drain pan, as well as the primary  
and secondary drain lines. If the system has an auxiliary drain  
pan and line, they should be inspected at this time as well.  
Service should include cleaning if required.  
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Check all electrical wiring and connections  
Check for secure physical connections of individual parts in  
each unit  
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Operational check of the heat pump system to determine actual  
working condition. Necessary repair and, or adjustment should  
be performed at this time.  
Always Ask For  
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Catalog No:OM25VNA---01  
Copyright 2011 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231  
Printed in U.S.A.  
Edition Date: 05/11  
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.  
Replaces: New  
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