USER`S, MAINTENANCE and SERVICE INFORMATION
Contents
1. has been trained to perform this service 66235 BUM C 0313 Supersedes 66235 BUM B 07092. N OFF FOR 8 HOURS OR LONGER DISCONNECT SWITCH MUST BE TURNED ON 8 HOURS BEFORE THERMO STAT IS SET TO HEAT COOL OR AUTO 035 03095A Johnson Controls Unitary Products 66235 BUM C 0313 Please the system into operation as follows 1 Set temperature adjustment to the desired temperature COOLING The higher the set ting the lower the amount of energy consumed The National Bureau of Standard recom mends a setting of 78F HEATING The lower the set ting the lower the amount of energy consumed Federal guidelines recommend a setting of 65F or lower NOTE If your cooling and heating temperature adjust ments are separate be sure to set both 2 After considering Fan Operation Selection on page 2 select and set the fan operation mode you desire 3 Move the comfort control switch to the desired mode of operation found on your particular thermo stat SYSTEM OPERATION Manual Changeover Thermostat COOLING YOUR HOME With the comfort control switch in the COOL position the system will operate as follows When the indoor temperature rises above the level indicated by the temperature adjustment setting the system will start The outdoor unit will operate and the indoor fan will circulate the cooled filtered air When the room temperature is low ered to the setting selected the system will shut off HEATING YOUR HOME If your system include
3. SINGLE PACKAGE AIR CONDITIONER The manufacturer recommends that the User read all sections of this manual and keep the manual for future reference Tested in accordance with SP C US 66235 BUM C 0313 66235 BUM C 0313 Cranio eti On your purchase of one of our Single Package Air Conditioning Units This energy efficient system has been precision designed manufactured of high quality materials and has passed many vigorous inspections and tests to ensure years of satis factory service This manual is meant to increase your understanding of your system tells you how to operate it Pory and how to obtain the greatest measure of comfort at the lowest operating expense Please read this manual thoroughl y We appreciate your interest in our products and your decision to purchase our Single Package Unit Enjoy your comfort THERMOSTATS Your Key to Comfort Though thermostats may vary widely in appearance all are designed to perform the same basic function to control the operation of your air conditioning system Regardless of size or shape each thermostat will feature a temperature indicator a dial arm or push button for selection of the desired temperature a fan switch to choose the indoor fan operation and a comfort switch for you to select the system mode of operation The following illustrations and discussion will aid you to determine which type of thermostat you have for your system Folow
4. gly Your furniture is far less demanding than you are when it comes to comfort levels However don t expect the system to restore comfort conditions immediately upon returning home It will take a little time DON T locate lamps or other heat producing appliances radios TV s heaters etc near your thermostat The heat from these items will give your thermostat false information about the temperature in the room DO select a comfortable thermostat setting but keep in mind that Subject to change without notice Printed in U S A Copyright 2013 by Johnson Controls Inc All rights reserved York International Corporation 5005 York Drive Norman OK 73069 moderation in temperature selection will save energy DO turn on your kitchen exhaust fan when cooking and your bathroom exhaust fan when showering Also make sure your clothes dryer is properly vented If these items are neglected an excess heat and humidity condition may be created causing your air conditioning system to run longer DO set your thermostat a few degrees lower than normal several hours before entertaining a large group of people in a relatively small area People give off a considerable amount of heat and moisture in a closed area DO keep drapes and Venetian blinds closed when practical These items provide insulation against heat loss gain DO contact a qualified serviceman to make repairs or adjustments to your system He
5. l the system pressures have equalized MAINTENANCE CAUTION Prior to any of the following maintenance proce dures shut off all power to the unit LUBRICATION Both the indoor blower motor and outdoor fan motor are permanently lubricated and requires no maintenance FILTER CARE Single phase units are shipped without a fiter and is the responsibility of the installer to secure a filter in the return air ductwork or install a filter frame kit 6MC54 A filter rack and filters are standard on three phase units Filters must always be used and must be kept clean When filters become dirt laden insufficient air will be delivered by the blower decreasing your units efficiency and increasing operating costs and wear and tear on the unit and controls Filters should be checked monthly especially since the unit may be used for both heating and cooling High velocity permanent filters may be removed for cleaning Remove filters vacuum or wash with a stream of water directly from a faucet or hose Allow filters to dry and replace High velocity permanent filters should last for many years However if they ever need replacing they must be replaced with the same size and type REGISTERS Supply and return air registers must be open when the unit is in operation Furniture must not block airflow in or out of the registers COIL CARE An annual check and cleaning if necessary of the conden
6. s a heating unit and the comfort control switch is in the HEAT position the system will operate as follows When the indoor temperature drops below the level indicated by the temperature adjustment setting the system will start The heating system will oper ate and the indoor fan will cir culate the heated filtered air When the room temperature rises to the setting selected the system will shutoff Whether heating or cooling the fan will continue to operate if the fan switch was set in the ON position The AUTO setting on the fan switch will allow the fan to shut off when your system does Electronic Thermostat The computerized electronic thermostat when programmed will function automatically to operate the system as follows When the indoor temperature rises above the higher COOL setting the unit will operate and the indoor fan will circulate the cooled filtered air When the temperature is lowered to the selected level the system will shut off The indoor fan will either shut off or run continuously depending upon your choice of fan switch setting When the indoor temperature drops below the lower HEAT setting the heating system will operate and the indoor fan will circulate the heated filtered air When the indoor temperature rises to the selected setting the system will shut off NOTE The thermostat has a built in off cycle timer to pre vent the unit from operating unti
7. ser coil should be done Clean any debris and dirt from the outside coil face with a brush being careful not to damage the fins If extremely dirty a hose can be used to wash the coil from the inside out while brushing a soapy solution on the outside Johnson Controls Unitary Products TROUBLESHOOTING BEFORE CALLING A SERVICE MAN A Check thermostat setting and insure thermostat is calling for heat or cooling Check thermostat for lint dust etc Check fuses or circuit breakers Check filters for excessive dust accumulation and or restriction PARTS INFORMATION Contact your local Unitary Products parts distribution center for authorized replacement parts SOME EFFICIENCY DO S AND DON TS DON T heat or cool unused areas Reduce supply and return air flow to a minimum in areas which are not living spaces storage rooms garaged basements etc DON T be a thermostat jiggler Moving your thermostat setting will not make your system heat or cool any faster Adjust your thermostat to a comfortable setting and leave it there DON T restrict air circulation Placing furniture rugs etc in such away that they interfere with air vents will make your system work harder to achieve a comfortable temperature level This requires more energy which means greater cost to you DON T heat or cool when you are away If you are going to be away for a day or more readjust your thermostat accordin
8. the applicable instructions in this manual to obtain the maximum comfort with a minimum of energy consumption COOLING ONLY If your air conditioning system is designed to provide only cooling with no capability for heating operation a cooling only thermostat with a manual two position Cool and Off comfort switch is all that is required for system operation Cooling and Heating If your system has been designed to allow both cooling and heating operation you may have either of two types of thermostat A manual change over type or a computerized electronic thermostats Manual Changeover Manual changeover simply means that the comfort switch must be manually positioned every time you wish to switch from the cooling to heating or heating to cooling models of operation Computerized Electronic Thermostat The computerized electronic thermostat is actually a sophisticated electronic version of a manual change over type This thermostat includes features which allow set back temperature variations for periods of sleep or while you are away during the day and means energy saving for you The thermostat also features a digital clock If you have selected this type of thermostat a complete operating instruction is provided by the manufacturer with the thermostat Fan Operation Selection A two position fan switch allows you to choose the type of operation of the indoor fan AUTO With the
9. thermostat fan switch set to AUTO the fan will run intermittently as required for either heating or cooling This position will provide the lowest operating cost and better humidity control on cooling operation ON CONTINUOUS FAN OPERATION With the thermostat fan switch set to ON the indoor fan will not shut off However the cooling and heating systems will still operate as required by room temperatures This provides continuous air filtering and more even temperature distribution to all conditioned spaces The sound level within the building will also remain relatively constant FAN ONLY OPERATION On moderate days usually during spring and fall when neither heating nor cooling is required you may want to run only the fan to ventilate circulate and filter the air in your home or building Set the comfort control switch to OFF and the fan switch to ON Be sure to return the switches to their original positions for normal operation START UP The comfort control switch is assumed to be in the OFF position If the main power supply to the unit is off turn the appropriate disconnect switch to the ON position If a warning label is attached to the disconnect switch as shown below and if the power supply has been off for 8 hours or longer the disconnect switch must be turned on 8 hours before the thermostat is set to operate the compressor IMPORTANT IF POWER HAS BEE
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