Bryant 657A Heat Pump User Manual
Contents
1. c Cc e pm ho e Ga an hom 4 m Q De Op Z xD On lt s gt Wo og Zu NI 657A Sizes 024 060 OM02 65 Cancels OM02 53 1 03 Z WARNING Before performing recommended main a m Lu l a a w O Lu O Z tenance be sure main power switch to unit is turned off Electrical shock could cause personal injury This manual should be left with the equipment U po NUAN Model 657A Packaged Heat Pump Units Without Base Rail Model 657A Packaged Heat Pump Units With Optional Base Rail WELCOME TO EFFICIENT YEAR ROUND COMFORT Congratulations on your excellent choice and sound invest ment in home comfort Your new heat pump represents both the latest in engineering development and the culmination of many years of experience from one of the most reputable manufacturers of comfort systems Your new unit is among the most reliable home comfort products available today To assure its dependability spend just a few minutes with this booklet now Learn about the operation of your heat pump and the small amount of maintenance it takes to keep it op erating at its peak efficiency With minimal care your heat pump will provide you and your family with dependable home comfort both now and for years to come IMPORTANT FACTS To better protect your investment and to eliminate unneces sary service calls fam2. e Routine inspection of air filter s Replacement or cleaning as required e Inspection and cleaning of the blower wheel housing and motor Service should include proper lubrication of these components e Inspection and if required cleaning of indoor and outdoor coils e Inspection of the indoor coil drain pan plus the drain line Service should include cleaning if required e A check of all electrical wiring and connections e A check for secure physical connections of individual com ponents within units e Operational check of the heat pump system to determine actual working condition Necessary repair and or adjust ment should be performed at this time Your servicing dealer may offer an economical service con tract that covers seasonal inspections Ask for further details WARRANTIES Unit 657A has a separate warranty located at the back of this book Be sure to read the warranty care fully to determine the coverage for your unit FOR THE RECORD Record the model product and serial numbers of your new equipment in the spaces provided below This information along with the other ready reference facts requested below will be necessary should you ever require information or service Installation Data Date Installed Dealer Name Address City State Zip Telephone Packaged System Outdoor Unit Product No Model No Serial No Heater if applicable Part No Kilowatt Rating C
3. for instance switching the electrical sup ply power ON and OFF may cause damage to the unit e Thermostat jiggling causes rapid cycling which is poten tially damaging to the compressor Do not move the tempera ture selector on the thermostat for any reason for at least 5 minutes after the compressor has shut off e You may find that you can maintain greater personal com fort by running the fan continuously Air pockets can form due to the structure of the building placement of registers et cetera These air pockets may be too cool or warm for your liking Continuous fan operation minimizes any temperature differences Also systems equipped with electronic air clean ers and or humidifiers offer the added benefits of having the air continuously cleaned year round and humidified during the winter season e Your heat pump will remove humidity from your home dur ing the cooling season After a few minutes of operation you should be able to see water trickle from the condensate drain Check this occasionally to be sure the drain system is not clogged Of course don t expect to see much drainage if you live in a very dry climate OPERATING YOUR HEAT PUMP The operation of your heat pump system is controlled by the indoor thermostat You simply adjust the thermostat and it maintains the indoor temperature at the level you select Most thermostats for heat pump systems include temperature con trol selector FAN switc
4. tothe following directions How ever before performing maintenance consider these impor tant safety precautions e DISCONNECT ALL ELECTRICAL POWER TO THE HEAT PUMP BEFORE REMOVING ACCESS PANELS TO PER FORM SERVICE OR MAINTENANCE NOTE THERE MAY BE MORE THAN ONE ELECTRICAL DISCONNECT SWITCH e ALTHOUGH SPECIAL CARE HAS BEEN TAKEN TO MINIMIZE SHARP EDGES IN THE CONSTRUCTION OF YOUR UNIT BE EXTREMELY CAREFUL WHEN HAN DLING PARTS OR REACHING INTO THE UNIT MAIN ON OFF CHECK THE AIR FILTER A dirty air filter will cause excessive strain on the compres sor and blower motor This can cause the components to over heat and automatically shut down In the extreme the com ponents will fail and need to be replaced To avoid inefficient or failed operation of your unit CHECK THE FILTER S EV ERY 3TO 4 WEEKS Replace filter s when necessary or clean the filter s if you have the reusable type Disposable filters should be replaced by similar new filters of the same dimensions Reusable permanent filters should be washed in a solution of cold water and mild detergent then rinsed and thoroughly dried THE FILTER MUST BE COMPLETELY DRY BE FORE BEING REINSTALLED To avoid prolonged shut down of your unit whilea filter is drying you should have an extra filter on hand This would allow you to rotate between the two with minimal downtime for your comfort system Ex tra filters may be purchased from your dealer e The filte
5. ATALOG NO 5365 701
6. e AUTO position the cooling mode is activated when the indoor temperature rises above the thermostat cooling temperature setting or the heating mode will be activated when the indoor temperature drops below the thermostat setting for the heating cycle Depending on your typical winter heating needs your home comfort system may include a supplementary heating source The EMERGENCY HEAT switch provides for convenient se lection between two heating modes Your heat pump will op erate when the switch is set at NORMAL With the switch set at the EMERGENCY HEAT position the heat pump will turn off and the supplementary heat source will be activated COOLING CYCLE When operating in the cooling cycle your heat pump will run until the indoor temperature is lowered to the level you have selected On extremely hot days your heat pump will run for longer periods at a time and have shorter off periods than on moderate days The following are typical conditions that add extra heat and or humidity to your home Your heat pump will work longer to keep your home comfortable under these conditions e Entrance doors are frequently opened and closed e Laundry appliances are being operated e A shower is running e More than the usual number of people are present in the home e More than the normal number of electric lights are in use e Drapes are open on the sunny side of the home HEATING CYCLE With the SYSTEM switch of your indoor thermo
7. eak ers are ON or that fuses have not blown e Check for sufficient airflow Check the air filter s for any accumulations of dirt Check for blocked return air or supply air grilles Be sure grilles are open and unobstructed e Check the settings on your indoor thermostat If you de sire cooling see that the temperature control selector is set below room temperature and the SYSTEM switch is on the COOL or AUTO position If you require warmth be sure the temperature control selector is set above room temperature and the SYSTEM switch is at HEAT or AUTO The FAN switch should be set at ON for continuous blower operation or AUTO if you wish the blower to function only while the unit is operating If your comfort system still fails to operate contact your ser vicing dealer for troubleshooting and repairs Specify your ap parent problem and state the model and serial numbers of your equipment You should have them recorded below With this information your dealer may be able to offer helpful sug gestions over the phone or save valuable time through knowl edgeable preparation for the service call Copyright 2003 Bryant Air Conditioning Company 4 REGULAR DEALER MAINTENANCE In addition tothe routine maintenance that you perform your home comfort system should be inspected regularly by a prop erly trained service technician The inspection preferably each year but at least every other year should include the following
8. h and SYSTEM switch EMER GENCY HEAT control is usually provided with the SYSTEM switch The temperature control selector is a dial or button s that al lows you to establish the temperature that you wish to main tain for your personal comfort Some thermostats possess two temperature control selectors one for setting the tempera ture desired during the cooling cycle and one to set the heat ing operation temperature Typical settings are 78 degrees Fahrenheit for cooling and 68 degrees for heating The FAN switch offers two options for controlling the blower AUTO and ON When set toAUTO the blower will run dur ing the time the heat pump is operating When the FAN switch is set at the ON position the blower will run continuously Typically the SYSTEM switch on your thermostat offers the following selections COOL OFF and HEAT Your thermo stat may also havea another selection AUTO The heat pump will not operate when the SYSTEM switch is set at the OF F position With the SYSTEM switch set at COOL your heat pump will operate in its cooling mode when the indoor tem perature rises above the level that you wish to maintain With the SYSTEM switch set at the HEAT position your heat pump will provide warmth whenever the indoor temperature falls below the level that you have selected The AUTO selection found on some thermostats provides for automatic changeover between cooling and heating cycles With the SYSTEM switch set in th
9. iliarize yourself with the following facts WARNING mproper installation adjustment alter ation service maintenance or use can cause explo sion fire electrical shock or other conditions which may cause personal injury or property damage Refer to this manual For assistance or additional information con sult a qualified installer service agency distributor or branch office The qualified installer or agency must use only factory authorized kits or accessories when modi fying this product e Your heat pump system should never be operated without a clean air filter properly installed Plan to inspect the filter periodically A clogged air filter will increase operating costs and shorten the life of the unit e Supply air and return air registers should not be blocked Drapes furniture and toys are some of the items commonly found obstructing grilles Restricted airflow lessens the unit s efficiency and life span e Outdoor units must have unrestricted airflow Do not cover the unit lean anything against it or stand upon it Do not allow grass clippings leaves or other debris to accumulate around or on top of the unit Maintain a 12 inch minimum dearance between the outdoor unit and tall grass vines shrubs et cetera e Your multipurpose indoor thermostat is the control center for your heat pump system You should familiarize yourself with its proper operation Attempting to control the system by other means
10. ort system Operation of the EMERGENCY HEAT source may be required if heating demands exceed the capacity of the heat pump or if the heat pump malfunctions e Do not operate your unit in the heating mode when outdoor temperatures are above 66 F unless you set your thermostat to emergency heat mode The red light on your thermostat will glow if the EMER GENCY HEAT switch is moved to the EMERGENCY HEAT setting This indicates that the heat pump is off and the supple mental heating appliance is selected for operation The AUX HEAT red light will glow under normal operation when the second stage of heat is operating Also if your particular model of heat pump includes an Efficiency Alarm circuit the red light will glow if the com pressor malfunctions Call your dealer for immediate service if you suspect trouble During the heating season switch toEMERGENCY HEAT if the electricity to your outdoor unit is off for more than 30 minutes for any reason i e power outage Leave the switch in the EMERGENCY HEAT position for an amount of time equal to that during which the power was off It isn t neces sary to exceed 12 hours If you cannot determine how long the power has been off leave the switch in the EMER GENCY HEAT position for 8 hours PERFORMING ROUTINE MAINTENANCE With the proper maintenance and care your heat pump will operate economically and dependably Maintenance can be ac complished easily by referring
11. r s and filter rack for a packaged system are sup plied and installed by the contractor or dealer Typically the filter s and rack are located in the return air duct in the unit or behind the return air grille s Have your dealer show you the location of your filter s and the procedures for removal and replacement If you have any questions about the removal and or cleaning of your filter s contact your dealer for assistance If grass clippings leaves shrubbery and debris are kept away from the unit minimal care should be sufficient to keep the system functioning properly However if the outdoor coil be comes dirty use a brush or vacuum cleaner and soft brush attachment to clean the exterior surface If dirt is deep in the coil contact your dealer for service The outdoor fan motor may have to be disconnected and the top panel removed to gain access to the coil for thorough cleaning Do not attempt this yourself UNIT SUPPORT Your packaged unit should be maintained at a level position If its support should shift or settle so that the unit is no longer level you should correct the condition Relevel it promptly to assure condensate drainage out of the unit If you notice that water or ice collects beneath the unit arrange for it to be drained away from the unit BEFORE YOU REQUEST A SERVICE CALL BEFORE YOU CALL FOR SERVICE CHECK FOR THESE EASILY SOLVED PROBLEMS e Check the disconnect switches Verify that circuit br
12. stat set to the HEAT position the heat pump will operate in its heating mode until room temperature is raised to the level you have selected Of course the heating unit will have to operate for longer periods to maintain a comfortable environment on colder days and nights than on moderate ones Defrost Cycle When your heat pump is providing heat to your home and the outdoor temperature drops below 45 de grees Fahrenheit moisture may begin to freeze on the sur face of the outdoor coil If allowed to build up this ice would impede airflow across the coil and reduce the amount of heat absorbed from the outside air So to maintain energy efficient operation your heat pump has an automatic defrost cycle Depending on which model you have the defrost cycle starts at a preset time interval of 30 50 or 90 minutes However it may be reset Defrost will start at the preset time only if the ice is sufficient to interfere with normal heating operation After the ice is melted from the outdoor coil or after a maxi mum of 10 minutes in the Defrost mode the unit will auto matically switch back to normal heating operation Donot be alarmed if steam or fog appears at the outdoor unit during the defrost cycle Water vapor from the melting ice may condense into a mist in the cold outside air Emergency Heat The EMERGENCY HEAT setting on your thermostat refers to any supplementary heating appliance that may be included in your home comf
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