Kelvinator JT4BE048KA Instructions / Assembly
Contents
1. Table 10 B6BM amp MOP Data 28 B6 E V M MINIMUM CIRCUIT AMPACITY amp MAXIMUM OVERCURRENT PROTECTION 240 VAC 50 amp 60 HZ SINGLE PHASE 208 VAC 50 amp 60 HZ SINGLE PHASE MCA MOP MCA MOP HEAT KIT MODEL NUMBER H6HK CABINET CAPACITY CIRCUIT CIRCUIT SINGLE CIRCUIT CIRCUIT CIRCUIT CIRCUIT C SINGLE CIRCUIT CIRCUIT CIRCUIT B CIRCUIT SINGLE CIRCUIT CIRCUIT A CIRCUIT B CIRCUIT SINGLE CIRCUIT NONE 005H XX 008H XX 010H XX 015H XX 009Q XX 015Q XX NONE 005H XX 008H XX 24 30 010H XX 36 42 015H XX 020H XX 009Q XX 015Q XX NONE 005H XX 008H XX 010H XX 015H XX 020H XX 024H XX 029H XX 009Q XX 015Q XX Table 11 Be E V M MCA amp MOP Data CONTROL SIGNAL amp MODE OPERATION TOTAL KW BOARD ACTION STAGE 1 HEAT ON INSTANTLY HEAT BLOWER ON AFTER 3 SECON SrAGE 1 HEAT ON INSTANTLY HEAT BLOWER ON AFTER 3 SECON SrAGE 1 HEAT ON INSTANTLY HEAT BLOWER ON AFTER 3 SECOND SrAGE 2 HEAT ON AFTER 5 SECOND STAGE 1 HEAT ON INSTANTLY HEAT BLOWER ON AFTER 3 SECOND DELAY STAGE 2 HEAT ON AFTER 5 SECOND DELAY W1 ONLY STAGE HEAT ON AFTER 10 SECOND DELAY EHEAT SracE 1 HEAT ON INSTANTLY2. _ _ l lG lalololalalololalalololalalolo 40O 0 0O 0 0 O 0 O B CABINET C CABINET SWITCH SETTINGS SWITCH SETTINGS 1 ON 0 OFF NOMINAL 1 ON 0 OFF NOMICAL CAPACITY CAPACITY 5 6 7 525 560 o fo 1 600 1 0 650 1 t yo 1 750 1 fo a 1 1 0 1 1 1 575 1 950 oto 1050 1 1 0 1 1 1250 1 1 1350 1 i a 1400 1 1 0 Table 8 BeVM Recommended Cooling Airflow Settings A B SWITCH SETTING 0 OFF 1 ON COOLING AIRFLOW COOL SWITCH SETTING 0 OFF 1 ON 6 7 AIRFLOW CFM HEATING AIRFLOW A B SWITCH SETTING 0 OFF 1 ON HEATER KIT INSTALLED KW AIRFLOW CFM B6VM A CABINET A B SWITCH SETTING 0 OFF 1 ON 0 0 COOLING AIRFLOW COOL SWITCH SETTING 0 OFF 1 6 7 AIRFLOW CFM HEATING AIRFLOW A B SW
3. 18 n D pao 19 Table 6 B6EM FSHE Airflow Data 20 Table 7 B6EM FSHE Minimum Heating Airflow Settings uu TE NE 21 Table 8 BeVM Recommended Cooling Airflow S lI Sr 21 Table 9 BeVM VSHE Airflow Data 22 Electrical Diagrams amp Data 23 Figure 13 Single Stage Control Board 23 Figure 14 Two Stage Control Board 23 Figure 15 Fixed Speed Motor Control Board 24 Figure 16 Variable Speed Motor Control Board 24 Figure 17 BeBM Wiring 25 Figure 18 BeEM Wiring 26 Figure 19 BeVM Wiring Diagram 27 Table 10 amp MOP 28 Table 11 Be E V M MCA amp MOP Data 29 Table 12 Control Board Operation 29 INSTALLATION PERFORMANCE CHECK LIST 32 IMPORTANT SAFETY INFORMATION Please read all instructions before servicing this equipment Pay attention to all safety warnings and any other special notes highlighted in the manual Safety markings are used frequently throughout this manual to designate a degree or level of seriousness and should not be ignored WARNING indicates a potentially hazardous situation t
4. 993 JI T pesn Ajddns ay uonisod dei ay yde de jenp JeuuoJsueJ BUDIAMOS JAMO BUUODSIG SUO JINAJSU uonej e1su eui 995 UMOUS se aq 1ou de paads J010UJ J2MO d 941 l SALON SSSNYVH GATIVLSNI LON H31V3H N3HM DNISNOH ON 1d 3AOW3H S3HIM LND HEATER PLUG 1O OIN 2uai21J3 peeds INVYDVIC ONIHIM ing Diagram Ir BBVM W 19 igure F 27 B6BM MINIMUM CIRCUIT AMPACITY amp MAXIMUM OVERCURRENT PROTECTION 240 VAC 50 amp 60 HZ SINGLE PHASE 208 VAC 50 amp 60 HZ SINGLE PHASE HEAT KIT MCA MOP MODEL NUMBER H6HK CAPACITY CIRCUIT CIRCUIT B CIRCUIT C SINGLE CIRCUIT CIRCUIT A CIRCUIT B CIRCUIT C SINGLE CIRCUIT CIRCUIT CIRCUIT B CIRCUIT C SINGLE CIRCUIT CIRCUIT A CIRCUIT B CIRCUIT C SINGLE CIRCUIT NONE 005H XX 008H XX 010H XX 0090 005H XX 008H XX 010H XX 0090 005H XX 008H XX 010H XX 015H XX 0090 015Q XX NONE 005H XX 008H XX 010H XX 015H XX 020H XX 0090 015Q XX NONE 005H XX 008H XX 010H XX 015H XX 020H XX 009Q XX 015Q XX NONE 005H XX 008H XX 010H XX 015H XX 020H XX 024H XX 029H XX 009Q XX 015Q XX NONE 005H XX 008H XX 010H XX 015H XX 020H XX 024H XX 029H XX 009Q XX 015Q XX
5. a di gus 12 EE e uuu a 12 12 Electronic Air Cleaner 13 aiuti 13 Optional PHumidistal LLL 13 STARTUP amp ADJUSTMENTS 13 Before You Start the Unit 13 Refrigerant u u U LLL tas 14 AE CUPRA M 14 Running the Blower Continuously 14 Selecting continuous low speed fan operation 14 Turning the Blower Off 14 System COUN uu 14 System 14 Selecting Minimum Electric Heat Airflow 14 Blower Configurations 14 Determining Nominal System Capacity 14 mS 14 High Efficiency Units Variable amp Fixed Speed 15 Selecting Basic Heating Airflow 15 Selecting Basic Cooling Heat Pump Airflow 15 Dehumidification Options 15 UNIT MAINTENANCE 16 TFROUBLESHOOTING 16 FIGURES amp TABLES 17 Figure 11 B6 Series Physical Dimensions 17 Figure 12 Air Handler Components 18 Table 5 BeBM
6. 1010UJ 941 SALON J9 JpuEeH ES ATE 25 Figure 17 BeBM Wiring Diagram 0150 0920112 SSANYVH ON 1d Nid 9 NOISNVdX3 ONISNOH 6 ebneb aues oui Jeddo 2 601 K uo esn pe e dai si eu491UI Y JI r abe oa ddns y YUM uonisod de ay de1 enp e J uulOJSue1 DUDIMOS 1D uuo3siGq Z suononaisu uone eisu 991 S UMOUS Se aq de peeds 1010UJ J9MOJ Q 941 l SALON Nid 9 1 EXPANSION HEATER PLUG BelloA uBiH 4 HINHOASNVHL WOO 802 ove c GATIVLSNI LON H31V3H N3HM DNISNOH DM1d 3AOW3H OLS38IM LAD 1O OIN 2uai21J3 peeds ui Figure 18 B6EM Wiring Diagram 26 01 50 0220114 dosnas IA CowWnHaa Nidu5 MOTI3A 39NVHO qaq 123456 9 ONISNOH Nid 6 123456789 HINHOASNVHL WOO 802 ove e Nid 9 MOTIIA 3SNVHO aad EXPANSION SM1d Nid 6 ebeyoA Buri Bum ebneb awes ay Jaddod 2 601 asn si
7. and comfort Because there are so many different ways to set up the air handler it is important to read and follow these directions carefully B6EM amp B6VM air handlers use high efficiency circulating air motors that come in two variations and both are controlled differently The fixed speed motor control board Figure 15 page 24 controls the torque and the variable speed motor control board Figure 16 controls the airflow at a constant CFM Both boards use the same control board Before operation the air handler must be configured to match the unit with the system system options and climatic conditions When configured the air handler responds directly to the thermostat inputs as well as the optional humidistat see page 13 During normal operation the motor will gradually change speeds during start up shut down when thermostat inputs change and when the duct static pressure changes vents closed or opened filter clogging etc The air handler is configured by setting the selector switches and removing jumper connectors Selecting Basic Heating Airflow Fixed amp variable speed motor control boards Figure 15 page 24 amp Figure 16 contain a set of dip switches for setting the blower speed For models pins 1 4 set the speed for heating For BeVM models the switch must be set for the appropriate cabinet size either setting can be used for C size cabinets The airflow is set automatically based on th
8. A wi A w2 wi 2 m 2 on M a T Y A 2 A AY OUT G G G q R A A R R ex R R Bs A R A B EA Ae E Ae Air Air Heat Pum Heat Pump Handler Heat Pumb Typical Heat Pump with Standard Air Handler Typical Heat Pump with 2 Stage Air Handler Typical 2 Stage Heat Pump with 2 Stage Air Handler Figure 9 Typical Thermostat Connections 12 When electric heat packages with circuit breakers are field installed the circuit breaker may be used as a disconnecting means in most applications Reference the NEC and local codes for disconnect requirements If a heater kit is installed The B6BM air handler is shipped from the factory without an electric heater kit installed If Electric heat is desired the H6HK heater kit may be purchased separately and field installed Determine the correct size heater kit for your unit by referring to the list below or the units rating label A Cabinet tte 15Kw max B Cabinet 20Kw max Gabinete 30Kw max 1 Connect the 2 wire plug of the air handler to the mating 2 wire plug of the heater kit 2 Connect the line voltage leads to the circuit breaker or terminal block provided 3 Connect the heater kit plug with the mating receptacle on the air handler control board If a heater kit is not installed 1 Re
9. Air 4 Minimum jcsax sna cvssacenassisaziccvemaeeserress 4 Operation of Air Handler During Construction 4 Installation in a Garage 5 Plenums s AW DIED cis paren E 5 Unconditioned Spaces U L ua 5 Fa Pil ETE ten tre rere I 5 Acoustical Duel Work LLULLU ERN 5 AIR HANDLER INSTALLATION 6 Packaging Removal R u 6 Mounting Applioaltions 6 Upilow Installation LLULLU 6 Downtlow Imetallatlon8 6 Horizontal Installations 7 Horizontal Left Installations 7 Horizontal Right Installations 7 Refrigerant Line Connections 8 Orifice Removal amp Installation 8 Connecting the Linesets 9 Condensate Drainage 10 ELECTRICAL CONNECTIONS 11 Pre Electrical Checklist 11 L Ae nM us 11 La pa 11 Thermostat Connections 11 CONIFOL LL l
10. HEAT BLOWER ON AFTER 3 SECOND DELAY SrAGE 2 HEAT ON AFTER 5 SECOND DELAY STAGE HEAT ON AFTER 10 SECOND DELAY STAGE 1HEAT ON INSTANTLY HEAT BLOWER ON AFTER 3 SECOND DELAY STAGE 2 HEAT ON AFTER 5 SECOND DELAY STAGE HEAT ON AFTER 10 SECOND DELAY STAGE 4 HEAT ON AFTER 15 SECOND DELAY HEAT STAGES OFF INSTANTLY BLOWER OFF AFTER 15 SECOND DELAY Table 12 Control Board Operation 29 30 CONTROL SIGNAL amp MODE W1 amp 2 AUX HEAT OPERATION TOTAL KW BOARD ACTION STAGE 1 HEAT ON INSTANTLY HEAT BLOWER ON AFTER 3 SECOND DELAY STAGE 1 HEAT ON INSTANTLY HEAT BLOWER ON AFTER 3 SECOND DELAY SrAGE 2 HEAT ON AFTER 5 SECONDS DELAY STAGE 1 HEAT ON INSTANTLY HEAT BLOWER ON AFTER 3 SECOND DELAY SrAGE 2 HEAT ON AFTER 5 SECONDS DELAY STAGE HEAT ON AFTER 10 SECONDS DELAY STAGE 1 HEAT ON INSTANTLY HEAT BLOWER ON AFTER 3 SECOND DELAY STAGE 2 HEAT ON AFTER 5 SECONDS DELAY STAGE HEAT ON AFTER 10 SECONDS DELAY STAGE 4 HEAT ON AFTER 15 SECONDS DELAY SrAGE 1 HEAT ON INSTANTLY HEAT BLOWER ON AFTER 3 SECOND DELAY SrAGE 2 HEAT ON AFTER 5 SECONDS DELAY STAGE HEAT ON AFTER 10 SECONDS DELAY STAGE 4 HEAT ON AFTER 15 SECONDS DELAY STAGE 5 HEAT ON AFTER 20 SECONDS DELAY STAGE 1HEAT ON INSTANTLY HEAT BLOWER ON AFTER 3 SECOND DELAY Sr
11. be installed under the unit A separate drain line should extend from the pan to a conspicuous point and serve as an alarm indicating that the primary drain is restricted As an alternative to a separate drain line an approved water level indicator or float switch device may be used to shut down the unit in the event water is detected in the auxiliary pan Install a single 5 inch trap in the condensate drain line as close to the coil as possible Make sure that the top of the trap is below the bottom of the drain pan to prevent the condensate from overflowing the drain pan NOTE There must be only one trap in the drain line Using more than one trap may prevent drainage Prime the trap with water Insulate the drain if itis located in an unconditioned space and test the condensate line for leaks Consult local codes for additional restrictions or precautions During system checkout inspect the drain line and connections to verify proper condensate drainage e e e UPFLOW T 3 4 Adapter w 3 4 dia hose barb NOTES 1 The drain lines must maintain a downward slope to ensure proper condensate drainage 2 Each condensate drain must be trapped separately using a J Trap or field supplied loop Figure 8 Condensate Drainage Example ELECTRICAL CONNECTIONS N WARNING ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury or property dam
12. design in the determination of the total external static pressure Operation of Air Handler During Construction A CAUTION Failure to follow these instructions will void the factory warranty and may significantly reduce the life or the performance of the air handler and or result in other unsafe conditions It is the responsibility of the installing contractor to insure these provisions are met Operating an air handler in a construction environment can cause the appliance a variety of problems Proper use of commercial portable space heating equipment during construction is recommended This air handler may be used during construction if it is not in violation of any applicable codes and the following criteria are met The installation must meet all applicable codes and be permanently installed according to the instructions supplied with the air handler including electrical supply and duct work The air handler must be controlled by a properly installed thermostat that complies with the current provisions of the NEC ANSI NFPA 70 and all applicable codes having jurisdiction Thermostat connections must be made in accordance with instructions supplied with the air handler and thermostat See page 11 amp page 12 The installation must include a properly installed filter in the return air system with no by pass air The filter must be inspected frequently and replaced when necessary Return air must be supplied unrestricted a
13. installed in a residential garage with the provision that the unit must be located or protected to prevent physical damage by vehicles Plenums amp Air Ducts Plenums and air ducts should be installed in accordance with the standards of the National Fire Protection Association Standard for Installation of Air Conditioning Systems NFPA 90 Standard for Installation of Residence Type Warm Air Heating and Air Conditioning Systems NFPA 90B and all applicable local codes NFPA publications are available by writing to National Fire Protection Association Batterymarch Park Quincy ME 02269 or visit www NFPA org online A WARNING All return ducts must be secured to the air handler using appropriate methods All return ducts must be adequately sealed When return air is provided through the bottom of the unit the joint between the air handler and the return air plenum must be air tight Return air and circulating air ducts must not be connected to any other heat producing device such as a fireplace insert stove etc This may result in fire explosion carbon monoxide poisoning personal injury or property damage Design the duct work according to methods described by the Air Conditioning Contractors of America ACCA Thisunitis designed only for use with a return and supply duct The return air duct must have the same free area as the opening provided on the air handler The ducts should be appropriately sized to the ca
14. on the motor control board of the air handler In this option the DHUM output of the humidistat must be set to be normally open and closed when there is a call for humidification See Figure 10 3 For cooling only system If a humidistat is not available it is an acceptable option to connect the R amp DHUM terminals on the motor control board together with a field supplied wire This option causes the blower to run ata reduced CFM for 10 minutes after a call for cooling NOTE Heat pump systems must use a thermostat with humidity sensor or separate humidistat to prevent blower speed reduction in heat mode MOTOR CONTROL BOARD HUMIDISTAT Figure 10 DHUM Wiring Configuration 15 UNIT MAINTENANCE Proper maintenance is most important achieve the best performance from a air handler Some of the components and their locations are shown in Figure 12 page 18 If any component of the air handler must be replaced use only factory authorized replacement parts specified in the Replacement Parts List provided online A WARNING ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury or property damage Improper servicing could result in dangerous operation serious injury death or property damage Before servicing disconnectall electrical power to the indoor blower When servicing controls label all wires prior to disconnecting Reconnect wires corr
15. the outdoor unit installation manual 1 Remove the cap from the end of the liquid line 2 Verify pressurization by depressing the Schrader valve on the end ofthe liquid line Listen for any escaping gas If there is no pressure test the coil for leakage f leakage is found clearly mark the location of the leak and return the coil to the distributor for processing f no leaks are found the coil may be installed 3 Depress the valve to relieve all pressure from the coil 4 Remove and discard the valve core CAUTION To prevent damage to the unit or internal components it is recommended that two wrenches be used when loosening or tightening nuts Do not over tighten 5 Using two wrenches loosen the nut and distributor body as shown in Figure 5 Turn the assembly nut counter clock wise until the orifice body halves are seperated 6 Insert a light gauge wire hook between the distributor body and the restrictor orifice while being careful not to scratch either part Carefully remove the restrictor orifice from the distributor body See Figure 6 page Figure 5 Loosening of Nut amp Distributor Body Figure 7 Removal of Orifice 7 Check the actual size of the new orifice NOTE The size is stamped on its side Do not use pin gauges to measure the orifice diameter 8 Insert the new orifice into the distributor body rounded end down See Figure 7 CAUTION To prevent damage
16. the electrical supply and verify the power supply is adequate for unit operation The system must be wired and provided with circuit protection in accordance with local building codes If there is any question concerning the power supply contact the local power company N Verify the duct system is appropriate for the air handler being installed Please note that when replacing an existing system with lower air flow the duct system may require modification Locating the Air Handler Survey the job site to determine the best location for mounting the unit Consideration should be given to availability of electric power service access and noise The dimensions of the room or alcove must be able to accommodate the overall size of the unit and the installation clearances listed in Table 1 Physical dimensions for this air handler are also shown in Figure 11 page 17 The air handler should be set into position before routing the refrigerant tubing Minimum Clearances This appliance must be installed in accordance with clearances listed in Table 1 The air handler must be installed with ample clearance for easy access to the air filter blower assembly heater assembly controls and vent connections Applicable building codes may require additional clearance to equipment Refer to applicable building codes for details Static pressure drop through louvered openings and through return air plenums should be considered in the overall duct
17. AGE 2 HEAT ON AFTER 5 SECONDS DELAY STAGE HEAT ON AFTER 10 SECONDS DELAY STAGE 4 HEAT ON AFTER 15 SECONDS DELAY 5 HEAT ON AFTER 20 SECONDS DELAY SrAGE 6 HEAT ON AFTER 25 SECONDS DELAY HEAT STAGES OFF INSTANTLY BLOWER OFF AFTER 15 SECOND DELAY STAGE 1 HEAT ON INSTANTLY CooL BLOWER ON AFTER 3 SECOND STAGE 1 HEAT ON INSTANTLY CooL BLOWER ON AFTER 3 SECOND STAGE 1 HEAT ON INSTANTLY CooL BLOWER ON AFTER 3 SECOND DELAY SrAGE 2 HEAT ON AFTER 5 SECONDS DELAY STAGE 1 HEAT ON INSTANTLY CooL BLOWER ON AFTER 3 SECOND DELAY SrAGE 2 HEAT ON AFTER 5 SECONDS DELAY STAGE HEAT ON AFTER 10 SECONDS DELAY SrAGE 1 HEAT ON INSTANTLY CooL BLOWER ON AFTER 3 SECOND DELAY SrAGE 2 HEAT ON AFTER 5 SECONDS DELAY STAGE HEAT ON AFTER 10 SECONDS DELAY 1 HEAT ON INSTANTLY CooL BLOWER ON AFTER 3 SECOND DELAY SrAGE 2 HEAT ON AFTER 5 SECONDS DELAY STAGE HEAT ON AFTER 10 SECONDS DELAY STAGE 4 HEAT ON AFTER 15 SECONDS DELAY HEAT STAGES OFF INSTANTLY HEAT BLOWER TURNS OFF AFTER 40 SECOND DELAY Table 12 Control Board Operation Continued CONTROL SIGNAL amp MODE OPERATION TOTAL KW BOARD ACTION STAGE 1 HEAT ON INSTANTLY CooL BLOWER ON AFTER 3 SECOND DELAY STAGE 1 HEAT ON INSTANTLY CooL BLOWER ON AFTER 3 SECOND DELAY STAGE 2 HEAT ON AFTER 5 SECONDS DELAY STAGE 1 HEAT ON INS
18. B6BM B6EM amp BeVM SERIES INSTALLATION INSTRUCTIONS AIR HANDLER IMPORTANT ATTENTION INSTALLERS It is your responsibility to know this product better than your customer This includes being able to install the product according to strict safety guidelines and instructing the customer on how to operate and maintain the equipment for the life of the product Safety should always be the deciding factor when installing this product and using common sense plays an important role as well Pay attention to all safety warnings and any other special notes highlighted in the manual Improper installation of the furnace or failure to follow safety warnings could result in serious injury death or property damage These instructions are primarily intended to assist qualified individuals experienced in the proper installation of this appliance Some local codes require licensed installation service personnel for this type of equipment Please read all instructions carefully before starting the installation Return these instructions to the customer s package for future reference DO NOT DESTROY PLEASE READ CAREFULLY amp KEEP IN A SAFE PLACE FOR FUTURE REFERENCE TABLE OF CONTENTS IMPORTANT SAFETY INFORMATION 3 REQUIREMENTS amp CODES 3 GENERAL INFORMATION 4 Before You Install this 4 Locating the
19. COIL ESP 1 5 2 6 3 7 4 8 0 3 0 4 0 5 0 6 B6EM A CABINET COOLING OR HEATING AIRFLOW CFM DRY COIL ESP 0 3 0 4 0 5 B6EM B CABINET SWITCH SETTINGS COOLING OR HEATING AIRFLOW 0 OFF 1 ON DRY COIL ESP 1 5 2 6 3 7 4 8 0 3 0 4 0 5 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 B6EM C CABINET j ojojojoi2j 2 2 2 ojojolo O NOTE When matched with two stage outdoor units the airflow on low Y1 or W1 input will be 70 of the values shown in this table Table 6 B6EM FSHE Airflow Data 20 NOMINAL ELECTIC HEAT KW 8 10 15 20 25 CABINET NOTE See Table 6 for appropriate switch settings for these airflows Table 7 FSHE Minimum Heating Airflow Settings CFM A CABINET SWITCH SETTINGS NOMINAL 1 ON 0 OFF TZON 0 OFF CAPACITY 5 7 8
20. ITCH SETTING 0 OFF 1 ON HEATER KIT INSTALLED KW AIRFLOW CFM B6VM B CABINET A B SWITCH SETTING EITHER 0 OR 1 jojojojojojojojofjo i jojoloj loj 2 2 ojoljolo 0 9 COOLING AIRFLOW COOL SWITCH SETTING 0 OFF 1 ON 6 7 AIRFLOW CFM HEATING AIRFLOW A B SWITCH SETTING EITHER 0 OR 1 HEATER KIT INSTALLED KW AIRFLOW CFM BevM C CABINET O O ole 5 Airflow values listed for 240V operation For 208V operation multiply A amp B cabinet values by 95 for C cabinet values mulitply by 90 Whenmatched with two stage outdoor units the airflow on low Y1 or W1 input only will be 70 of the values shown in this table Table 9 B6VM VSHE Airflow Data Electrical Diagrams amp Data BLWDTC BLWDTC_R HEATER 1 Figure 13 Single Stage Cont
21. TAL RIGHT RETURN sq a AIR 3 RETURN 2524 25225 Sh 552556 2 4 amp Vf e SU ied Figure 3 Horizontal Configurations a Nuts x2 Threaded Rod and Lockwasher E Washer E E E E Nuts x2 Figure 4 Unit Horizontally Suspended suspended using steel straps around each end of the unit The straps should be attached to the air handler with sheet metal screws and to the rafters with bolts Horizontal Left Installations 1 Remove the coil access door 2 Remove the plug from one of the threaded holes in the horizontal drain pan Completely remove the webbing located in the threaded holes of the horizontal drain pan IMPORTANT If the webbing is not removed the condensate will not drain properly and ceiling damage may occur 3 Insert the plug from horizontal drain pan into the open and unused drain hole in the drain pan at the bottom of the unit to block bypass air 4 Remove the corresponding drain line knockout from the coil access door to allow access to the horizontal drain 5 Replace the door and attach the drain line Horizontal Right Installations 1 Remove the coil access door Unscrew the line set tube close off plate from the front left cabinet rail 2 Slide the coil and drain pan assembly out of the unit 3 Remove the sheet metal hairpin cove
22. TANTLY CooL BLOWER ON AFTER 3 SECOND DELAY STAGE 2 HEAT ON AFTER 5 SECONDS DELAY STAGE 3 HEAT ON AFTER SECONDS DELAY STAGE 1 HEAT ON INSTANTLY CooL BLOWER ON AFTER 3 SECOND DELAY STAGE 2 HEAT ON AFTER 5 SECONDS DELAY STAGE 3 HEAT ON AFTER 10 SECONDS DELAY STAGE 4 HEAT ON AFTER 15 SECONDS DELAY Wi We amp Vive STAGE 1HEAT ON INSTANTLY AUX HEAT CooL BLOWER ON AFTER 3 SECOND DELAY STAGE 2 HEAT ON AFTER 5 SECONDS DELAY STAGE HEAT ON AFTER 10 SECONDS DELAY STAGE 4 HEAT ON AFTER 15 SECONDS DELAY STAGE 5 HEAT ON AFTER 20 SECONDS DELAY STAGE 1 HEAT ON INSTANTLY CooL BLOWER ON AFTER 3 SECOND DELAY STAGE 2 HEAT ON AFTER 5 SECONDS DELAY STAGE 3 HEAT ON AFTER 10 SECONDS DELAY STAGE 4 HEAT ON AFTER 15 SECONDS DELAY SrAGE 5 HEAT ON AFTER 20 SECONDS DELAY STAGE 6 HEAT ON AFTER 25 SECONDS DELAY HEAT STAGES OFF INSTANTLY HEAT BLOWER TURNS OFF AFTER 40 SECOND DELAY G FAN BLOWER ON AFTER 3 SECOND DELAY FAN FAN BLOWER OFF INSTANTLY Y Y2 CooL BLOWER ON AFTER 3 SECOND DELAY HEAT PUMP amp COOL COOL BLOWER OFF AFTER 40 SECOND DELAY Y1 CooL BLOWER ON AFTER 3 SECOND DELAY HEAT PUMP amp COOL CooL BLOWER OFF AFTER 40 SECOND DELAY Y1 amp Y Y2 CooL BLOWER ON AFTER 3 SECOND DELAY HEAT PUMP amp COOL CooL BLOWER OFF AFTER 40 SECOND DELAY Table 12 Control Board Operation Continued 31 INSTALLATION PERFORMANCE CHECK LIST A
23. TTENTION INSTALLERS INSTALLER NAME Itis your responsibility to know this product better than your customer This includes being able to install the product according to strict CITY safety guidelines and instructing the customer on how to operate and maintain the equipment for the life of the product Safety should always be the deciding factor when installing this product and using INSTALLATION ADDRESS common sense plays an important role as well Pay attention to all safety warnings and any other special notes highlighted in the manual Improper installation of the furnace or failure to follow safety CITY warnings could result in serious injury death or property damage These instructions are primarily intended to assist qualified individuals experienced in the proper installation of this appliance Some local UNIT MODEL codes require licensed installation service personnel for this type of equipment Please read all instructions carefully before starting the installation Return these instructions to the customer s package for UNIT SERIAL future reference Minimum clearances per Table 1 ELECTRICAL SYSTEM s Is the unit properly installed and Electrical connections tight ves No leveled Line voltage polarity correct ves No Does condensate drain properly YES in both drain tubes Supply Voltage V Has the owner s information been YES reviewed with the home owner Has the thermostat been ca
24. age Improper servicing could result in dangerous operation serious injury death or property damage e Before servicing disconnectall electrical power to the indoor blower When servicing controls label all wires prior to disconnecting Reconnect wires correctly e Verify proper operation after servicing Electrical connections must be in compliance with all applicable local codes and ordinances and with the current revision of the National Electric Code ANSI NFPA 70 For Canadian installations the electrical connections and grounding shall comply with the current Canadian Electrical Code CSA 22 1 and or local codes Pre Electrical Checklist Verify the voltage frequency and phase of the supply source match the specifications on the unit rating plate Verify that the service provided by the utility is sufficient to handle the additional load imposed by this equipment See the unit wiring label or Table 10 page 28 amp Table 11 page 29 for proper high and low voltage wiring N Verify factory wiring is in accordance with the unit wiring diagram Figure 17 page 25 Figure 18 page 26 amp Figure 19 page 27 Make sure the connections didn t loosen during shipping or installation Line Voltage Anelectrical disconnect must be located within sight of and readily accessible to the unit This switch shall be capable of electrically de energizing the outdoor unit See unit data label
25. ain properly and ceiling damage may occur NOTE It is recommended that the suction line be insulated up to the coil inside of the cabinet 7 Insert the plug from horizontal drain pan into the open and unused drain hole in the drain pan at the bottom of the unit to block bypass air 8 Remove the corresponding drain line knockout from the coil access door to allow access to the horizontal drain 9 Replace the door and attach the drain line N WARNING NITROGEN 1 Thecoil in the air handler is factory shipped with a nitrogen charge Avoid direct face exposure or contact with valve when gas is escaping Always ensure adequate ventilation is present during the depressurization process Address any uncertainties before proceeding Failure to comply with this warning could result in equipment damage personal injury or death HEALTH FLAMMABILITY o 0 Minimal Hazard 1 Slight Hazard REACTIVITY Refrigerant Line Connections The installer should make every effort to ensure the field installed refrigerant containing components of the System have been installed in accordance with these instructions and sound installation practices for reliable system operation and longevity The airhandler coil does not contain a refrigerant charge Refer to the installation instructions supplied with the outdoor unit for refrigerant charge information Always refertothe installation instructions supplied with the outdoor unit for pipi
26. applications must enter through the top of the unit A typical installation of the unit in a downflow application is shown in Figure 2 Cabinet Adaptor Kit Figure 2 Downflow Installation Horizontal Installations The B6 Series air handler can be installed horizontally in an attic basement crawl space or alcove It can also be suspended from a ceiling in a basement or utility room in either a right to left airflow or left to right airflow as shown in Figure 3 Air handlers may or may not be shipped from the factory with all the parts required for horizontal left applications and horizontal right applications If your unit does not have parts for a horizontal application a kit may be available NOTE In all horizontal applications in which the unit is installed above a finished ceiling and or living space a secondary drain pan must be installed under the entire unit to avoid damage to the ceiling in the event of condensate overflow Additionally itis recommended that an approved water level indicator or float switch device be used to shut down the unit in the event water is detected in the auxiliary drain pan If suspending the air handler from the ceiling assemble a support frame Figure 4 using slotted iron channel and full threaded rod Fasten the frame together with nuts washers and lockwashers Secure the support frame to the rafters with lag bolts The air handler can also be HORIZON
27. d ESP Corrected ESP Corrected ESP Medium Corrected ESP Corrected ESP Corrected ESP Medium Corrected ESP Corrected ESP Corrected ESP Medium Corrected ESP Corrected ESP Corrected ESP Medium Corrected ESP Corrected ESP Airflow Data 607 0 19 81 0 11 975 q 793 0 15 1046 0 04 1184 664 0 19 886 0 10 1126 7 0 16 1188 0 03 1333 k 1271 0 17 1418 0 13 1558 1592 0 21 1890 O 0 40 0 50 0 60 0 70 0 80 0 30 0 42 0 53 0 65 0 76 5 515 63 7 0 23 0 36 0 48 0 60 0 72 9 797 7 6 0 14 0 27 0 40 0 53 63 4 406 345 34 682 625 564 498 20 860 30 59 0 67 1130 1070 1005 935 860 0 22 0 33 0 46 0 58 0 71 1101 1056 9 9 8 0 09 0 22 0 35 0 49 0 64 7 6 5 1233 0 27 1187 0 38 1134 0 49 1072 0 61 92 08 05 821 764 01 31 55 91 03 05 1003 0 72 1565 1524 1468 1399 1316 0 31 0 42 0 52 0 63 0 74 1830 1758 1675 1580 1474 2003 0 26 1906 0 37 1805 0 49 Use B6EM C Cabinet airflow data See Table 5 page 20 1698 0 60 1586 0 71 0 28 0 39 0 50 0 61 0 72 1 Airflow is shown in cfm 5 2 External static pressure ESP is shown in inches w c 3 See unit nameplate or installation instructions for maximum recommended external static pressure Table 5 B6BM Airflow Data 19 SWITCH SETTINGS COOLING OR HEATING AIRFLOW CFM 0 OFF 1 ON DRY
28. ding on the basic cooling heat pump airflow 14 setting The minimum electric heat airflow is selected by the red blower wire on 3 speed models or setting switches 1 2 3 amp 4 on B6EM models B6VM models automatically set the heating speed based on the amount of installed heat The A B switch must be set appropriately for the unit cabinet size For C sized cabinets the A B switch can be set in either position The remaining 3 HEAT switches have no function Switch settings are listed in Table 6 page 20 or Table 9 page 22 NOTES For B6EM Models the minimum electric heat airflow setting may be set higher but must never be set lower than the setting shown in Table 7 page 21 Variable speed motor control boards do not support non electric heat because the heating air flow cannot be set independently Blower Configurations Determining Nominal System Capacity To select the appropriate airflows for the air handler the nominal system capacity must be known The nominal system capacity is always the nominal capacity of the outdoor unit However in some situations the nominal system capacity may not be the same as the nominal capacity of the air handler Always refer to the nominal capacity of the outdoor unit to determine the nominal system capacity NOTE The CFM values listed in Table 9 page 22 are not dependent on duct static pressure The VSHE motor automatically compensates for changes in duct static pressure
29. e 19 Table 6 page 20 Table 7 page 21 Table 8 page 21 amp Table 9 page 22 and the rating plate for proper circulating airflow data Follow all precautions in the literature on tags and on labels provided with the equipment Read and thoroughly understand the instructions provided with the equipment prior to performing the installation and operational checkout of the equipment This air handler may be used for temporary heating of buildings or structures under construction See the guidelines listed on page 4 Air handler installations in a residential garage must be installed as specified on page 5 GENERAL INFORMATION This appliance has been tested for capacity and efficiency in accordance with AHRI Standards and will provide many years of safe and dependable comfort providing it is properly installed and maintained Abuse improper use and or improper maintenance can shorten the life of the appliance and create unsafe hazards Please read all instructions before installing the unit Before You Install this Unit Y This equipment is securely packaged at the time of shipment and upon arrival should be carefully inspected for damage prior to installing the equipment at the job site Claims for damage apparent or concealed should be filed immediately with the carrier it is recommended that the cooling load of the area to be conditioned should be calculated and a system of the proper capacity selected Y Check
30. e amount of installed heat For both amp BeVM models the cooling speed is selected via switches 5 6 7 amp 8 To determine the appropriate switch settings for your installation see Table 6 page 20 Table 7 page 21 Table 8 page 21 or Table 9 page 22 Selecting Basic Cooling Heat Pump Airflow The basic cooling heat pump airflow is controlled by setting switches 5 8 on the motor control board mounted on the blower All airflows for other modes of operation except electric heat are determined by this basic setting FAN ONLY would deliver 50 of the selected cooling airflow Table 8 page 21 lists the basic airflow values versus the airflow selector switch settings and ranges of basic air flow settings recommended for each nominal system capacity When operating in the heat pump mode a higher basic airflow setting will increase the energy efficiency and capacity but will also decrease the supply air temperature For maximum capacity and energy efficiency select an airflow at or near the top of the range for that nominal capacity See Table 8 page 21 For maximum dehumidification select an airflow near the middle or bottom of the range for that nominal capacity Additional information on humidity control can be found in the Humidistat and Delay Setting sections For thermostats with a dehumidifier output use a field supplied wire to connect the thermostat s dehumidifier output to the terminal mar
31. ectly Verify proper operation after servicing These maintenance instructions are primarily intended to assist qualified technicians experienced in the proper maintenance and operation of this appliance Always reinstall the doors on the air handler after servicing orcleaning changing the filters Do not operate the air handler withoutall doors and covers in place Verify that the thermostat is properly installed and is not being affected by drafts or heat from lamps or other appliances To achieve the best performance and minimize equipment failure it is recommended that a yearly maintenance checkup be performed At a minimum this check should include the following items Air Filter s B6 Series Air Handlers are not supplied with a single air filter when shipped from the factory It is recommended that the filter be cleaned or replaced every 4 to 6 months at a minimum Newly built or recently renovated homes may require more frequent changing until the construction dust has minimized Filter sizes shown in Table 2 are available at most local retailers A WARNING Never operate the air handler without a filter in place Dust and lint in the return air can build up on internal components resulting in loss of efficiency equipment damage and possible fire Filters designed to remove smaller particles such as pollen may require additional maintenance CABINET SIZE FILTER SIZE 12x20x1 18x20x1 20x20x1 Tab
32. erly N Verify filter is properly and securely installed IMPORTANT Before starting the unit install the initial charge on units that are factory shipped with a nitrogen holding charge 1 Read all installation instructions first 2 Purge the nitrogen holding charge 3 Evacuate the unit to 350 500 microns 4 Allow the unit to remain under vacuum for at least 30 minutes 13 5 Weigh in the proper amount of new or reclaimed refrigerant Refer to the air conditioner or heat pump installation manual for the proper type and quantity of refrigerant Refrigerant Charging The system refrigerant charge can be checked and adjusted through the service ports provided at the front panel of the outdoor unit Use only gauge lines which have a Schrader depression device presentto actuate the valve Air Circulation Running the Blower Continuously Set the thermostat s system mode to OFF and the thermostat s fan mode to ON The blower motor should run continuously Check for air delivery at the register s Ensure that there are no obstructions at the registers or in the ducts Selecting continuous low speed fan operation Standard Blower The air handler is equipped with an option of continuous low speed fan operation When G is energized without Y Y2 the air handler will operate using the cooling speed With G amp 2 2 energized the air handler will operate in the selected cooling speed including 40 sec b
33. for proper incoming field wiring Any other wiring methods must be acceptable to authority having jurisdiction It is recommended that the line voltage to the unit be supplied from a dedicated branch circuit containing the correct fuse or circuit breaker for the unit Overcurrent protection must be provided at the branch circuit distribution panel and sized as shown on the unit rating label and according to applicable local codes See the unit rating plate and Table 10 page 28 amp Table 11 page 29 for maximum circuit ampacity and maximum overcurrent protection limits The installer should become familiar with the wiring diagram schematic before making any electrical connections to the unit See the unit wiring label or Figure 17 page 25 Figure 18 page 26 amp Figure 19 page 27 Use only copper wire for the line voltage power supply to this unit Use proper code agency listed conduit and a conduit connector for connecting the supply wires to the unit Aluminum supply wire may be used if a heater kit is installed f replacing any of the original wires supplied with the unit the replacement wire must be copper wire consisting of the same gauge and temperature rating Provide power supply for the unit in accordance with the unit wiring diagram and the unit rating plate Use UL listed conduitand conduit connectors for connecting the supply wires to the unit and for proper grounding Field supplied bushings for the power sup
34. hat if not avoided could result in personal injury or death CAUTION indicates a potentially hazardous situation that if not avoided may result in minor or moderate injury or property damage A WARNING ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury or property damage Improper servicing could result in dangerous operation serious injury death or property damage e Before servicing disconnectall electrical power to the indoor blower When servicing controls label all wires prior to disconnecting Reconnect wires correctly Verify proper operation after servicing N WARNING NITROGEN HEALTH FLAMMABILITY o REACTIVITY 0 Minimal Hazard 1 Slight Hazard B6 series air handlers leave the factory with a nitrogen holding charge Use caution when preparing coils for field connections If repairs make it necessary for evacuation and charging it should only be attempted by qualified trained personnel thoroughly familiar with this equipment Some local codes require licensed installation service personnelto servicethistype of equipment Under no circumstances should the equipment owner attempt to install and or service this equipment Failure to comply with this warning could result in equipment damage personal injury or death REQUIREMENTS amp CODES A WARNING This unit must be installed in accordance with instructions out
35. ked DHUM The thermostat should be set so that the DHUM output should be high energized when dehumidification is needed See also Dehumidification Options section IMPORTANT If coil icing is observed the basic cooling heat pump airflow selected may be too low Verify the setting selected is within the range shown in Table 8 and that the the system is properly charged Please refer to the instructions supplied with the outdoor unit If icing continues to occur raise the selected airflow one or two steps NOTE Variable speed air handlers with SEER ratings higher than 15 are matched with a 2 stage cooling outdoor unit They are programmed to operate at 75 of the selected airflow while the system is in the lo cool mode and 100 of the selected airflow while in hi cool mode Dehumidification Options B6EM or B6VM Models Only Both motor control boards Figure 15 page 24 amp Figure 16 page 24 have a DHUM connection that allows the systemto increase the amount of humidity that is removed from the circulating air This is accomplished by reducing the CFM and allowing the cooling coil to become colder There are many ways that this can be electrically wired 1 If the room thermostat incorporates a humidity sensor and DHUM output connectthe DHUM on the thermostat to the DHUM terminal on the motor control board 2 If using a separate humidistat connect amp R terminals on the humidistat to the DHUM amp R terminals
36. le 2 Filter Sizes Blower Compartment Dirt and lint can create excessive loads on the motor resulting in higher than normal operating temperatures and shortened service life It is recommended thatthe blower compartment be cleaned of dirt or lintthat may have accumulated in the compartment oronthe blower and motor as part of the annual inspection Blower Fan Wheel Inspect the blower wheel blades for accumulations of dirt and clean if necessary Inspect mounting nut for tightness when done Blower Motor amp Assembly Inspect the blower assembly and motor mounting brackets for tightness and corrosion Correct deficiencies if necessary The blower motor contains sealed bearings and under normal operating conditions no maintenance is necessary for the life of the equipment TROUBLESHOOTING If the air handler fails to operate check the following s the electric turned on s the thermostat operating properly Are the blower compartment door s in place Is the air handler disconnect closed Has the circuit breaker tripped or the control board fuse burned open Are any manual reset switches open Is the filter dirty or plugged Isthe LED on both control boards constantly ON If not refer to Table 3 or Table 4 to determine fault condition RED LED AN2 DIAGNOSTIC Control Fault No Power Blower Fault Normal Operation Table 3 Air handler Control Board Fault Conditions DIAGNOSTIC Conr
37. librated ovs Has the literature package been YES left near the appliance Is the thermostat level yes No WARNING This product contains chemicals known to the state of California to cause cancer WARNING This product contains chemicals known to the state of California to cause birth defects or other reproductive harm 77 C c US Listed PARTNER Intertek AHO CERTIFIED www ahridirectory org NORDYNE COMPLETE COMFORT GENUINE VALUE Specifications amp illustrations subject to change lll without notice or incurring obligations 03 14 709172C Replaces 709172B
38. lined in this manual during the installation service and operation of this unit Unqualified individuals should not attempt to interpret these instructions or install this equipment Failure to follow safety recommendations could result in possible damage to the equipment serious personal injury or death The installer must comply with all local codes and regulations which govern the installation of this type of equipment Local codes and regulations take precedence over any recommendations contained in these instructions Consult local building codes for special installation requirements This equipment contains nitrogen gas Installation or servicing should only be performed by qualified trained personnel thoroughly familiar with this type equipment All electrical wiring must be completed in accordance with local state and national codes and regulations and with the National Electric Code ANSI NFPA 70 or in Canada the Canadian Electric Code Part 1 CSA C 22 1 Installation of equipment may require brazing operations Installer must comply with safety codes and wear appropriate safety equipment safety glasses work gloves fire extinguisher etc when performing brazing operations Installthis unitonly in a location and position as specified on page 4 amp page 5 This unit is designed only for Indoor installations and should be located with consideration of minimizing the length of the supply and return ducts See Table 5 pag
39. lower off delay Turning the Blower Off Set thermostat s fan mode to AUTO the blower will shut down immediately Cooling Set the thermostat s system mode to COOL and fan mode to AUTO Lower the thermostat s temperature mode below room temperature and observe that the blower energizes Check the air being discharged at the register is cooler than room temperature Verify unit refrigerant pressures are in order Blower should be turning in direction indicated by arrow NOTE DO NOT alter unit wiring Listen for any unusual noises Locate the source and correct as needed 2 Allow the unit to run for several minutes and then set the thermostat s temperature above room temperature Verify the blower cycles off with the thermostat System Heating 1 Set the thermostat s system mode to HEAT and the fan mode to AUTO Increase the thermostat s temperature above room temperature and observe that the blower energizes Check the air being discharged at the register is warmer than room temperature 2 Allow the unit to run for several minutes and then set the thermostat s temperature below room temperature Verify the blower cycles off with the thermostat Selecting Minimum Electric Heat Airflow The minimum electric heat airflow setting controls the minimum air flow that will be produced whenever electric heater kits are used When the electric heater kit is energized along with a heat pump the airflow may be higher depen
40. move the 2 wire plug of the air handler by cutting the wires and discarding the plug 2 Strip the ends of the 2 air handler wires and connect to the line voltage leads with the 2 wire nuts provided Electronic Air Cleaner EAC The unit has an output to power an electronic air cleaner when the blower is running This output is rated to 1 0 amp at 208 240V Humidifier The unit has an output to power a humidifier when the blower is running This output is rated to 1 0 amp at 208 240V Optional Humidistat B6EM or B6VM Models Only The optional humidistat may be installed in the return air duct to provide excellent humidity control when needed andmaximum system capacity and energy efficiency when humidity levels are normal The humidistat senses when humidity in the return air stream is above a preset level field adjustable and sends a signal to the motor to reduce the airflow so that more moisture may be removed until the humidity level drops The air handler is pre programmed for humidistat operation Install the humidistat in the return air duct as directed in the installation instructions included with the kit Wire the humidistat through the low voltage wire entrance in the air handler to the control board terminal marked DEHUM See Figure 15 page 24 amp Figure 16 page 24 Wire the humidistat to close on rise in humidity STARTUP amp ADJUSTMENTS A WARNING NITROGEN HEALTH FLAMMABILITY 0 REACTIVITY 0 Mi
41. ncluding the lineset and the brazed joints 11 Replace all grommets and properly dispose of all removed parts Condensate Drainage A CAUTION The air handler must be level to ensure proper condensate drainage An unlevel installation may result structural damage premature equipment failure or possible personal injury Methods for disposing of condensate vary according to local codes Refer to local codes or authority having jurisidiction for restrictions and proper condensate disposal requirements The drain pan that is supplied with this air handler contains a primary and secondary drain fitting The condensate is drained from the unit through two 3 4 female pipe fittings located on the front side of the unit as shown in Figure 8 The drain pan must be drained with field supplied tubing or pvc pipe and adequately trapped Both drain tubes must have a minimum diameter of 3 4 and be trapped separately IMPORTANT Failure to install a trap may result in condensation overflowing the drain pan resulting in substantial water damage to surrounding area Route both lines to a suitable drain avoiding sharp bends and pinching of the lines The drain should maintain a minimum horizontal slope in the direction of discharge of not less than 1 vertical for every 10 ft of horizontal run f the air handler is located in or above a living space where damage may result from condensate overflow an auxiliary drain pan shall
42. ncoming power leads The thermostat should be mounted about 5 feet above theflooronaninside wall DO NOT install the thermostat on an outside wall or any other location where its operation may be adversely affected by radiant heat from fireplaces sunlight or lighting fixtures and convective heat from warm air registers or electrical appliances e 11 Refer to the thermostat manufacturer s instruction sheet for detailed mounting and installation information Install the grommet which is packed with the unit in the hole for low voltage wires Properly connect the low voltage wiring between the thermostat outdoor unit and control board NOTE When the low voltage wires are positioned in this grommet the grommet will prevent chafing and or shorting of the low voltage leads Control Board The control board in the air handler controls the timing sequence of the elements The board is equipped with a 3 second blower on delay and a 15 second blower off delay in heating and a 40 second blower off delay in cooling See Figure 13 page 23 or Figure 14 page 23 and Table 12 page 29 page 30 amp page 31 for control board modes and actions Twinning B6BM air handlers are not supplied with a built in twinning capability To connect two air handlers to a common single stage AC condensing unit or heat pump a twinning kit is available for field installation Please follow the instructions supplied with the kit NOTE Variable
43. nd located such that dust and gases from construction activity are not introduced into the circulating air system INSTALLATION CLEARANCES O Inches Right Side 0 Inches Front TSee Notes 0 Inches RIGHT SIDE tNOTE Alcove Installations Allow 24 in minimum clearance from front of unit to nearest wall or partition for servicing Recommended clearance is 36 in Table 1 Minimum Unit Clearances Before occupying the structure The filter must be replaced or cleaned the duct work must be inspected and cleaned of any construction debris and the air handler must be cleaned and or repaired if found to be dirty damaged or malfunctioning in any way by a qualified HVAC technician The air handler shall be inspected and approved by applicable local authority even if this requires redundant inspections The serial number for the air handler used during construction must be submitted in writing fax and email also acceptable This information will be used to track the long term affects of air handler usage during construction Proof of this submittal shall be available for the final inspection of the air handler prior to occupancy Installation in a Garage A WARNING Donot place combustible materials on or against the cabinet Do not place flammable materials gasoline paint thinners etc or any other flammable vapors and liquids in the vicinity of the air handler The B6 Series air handler may be
44. ng requirements The suction and liquid lines must be sized in accordance with the condensing unit specifications See Figure 8 page 10 for liquid and suction line locations When connecting refrigerant linesets together it is recommended that dry nitrogen be flowing through the joints during brazing This will prevent internal oxidation and scaling from occurring Refrigerant tubing should be routed in a manner that minimizes the length of tubing and the number of bends in the tubing It should be supported in a manner that prevents it from vibrating or abrading during system operation Tubing should be kept clean of foreign debris during installation If precise forming of refrigerantlines is required a copper tubing bender is recommended Avoid sharp bends and contact of the refrigerant lines with metal surfaces Refrigerant lines should be wrapped with pressure sensitive neoprene or other suitable material where they pass against sharp sheet metal edges B6 Series air handlers are charged through service valves on the end of the liquid tube for each circuit These must be removed before brazing the line sets Orifice Removal amp Installation The orifice installed in the air handler has been sized for use with the most popularly matched outdoor units The orifice size as shipped from the factory is listed on the air handler rating plate Perform steps 1 9 to confirm that the orifice size meets the requirements outlined in
45. nimal Hazard 1 Slight Hazard The evaporator coil is shipped from the factory with a nitrogen charge Use caution when preparing coils for field connections If repairs make it necessary for evacuation and charging it should only be attempted by qualified trained personnel thoroughly familiar with this equipment Some local codes require licensed installation service personnel to service this type of equipment Under no circumstances should the equipment owner attempt to install and or service this equipment Failure to comply with this warning could result in equipment damage personal injury or death Before You Start the Unit Prior to start up complete the following inspections N Verify the unit is level and properly located with adequate clearances for servicing the unit as shown in Table 1 page 4 Y Check condensate drain line s for proper drainage Verify the surrounding area and top of the unit is free from obstructions and debris Y Check all duct connections Make sure the duct work is adequately sealed to prevent air leakage Y Check all coil connections for leaks N Verify that the line voltage power leads are securely connected and the unitis properly grounded Make sure all doors are installed before restoring power to the unit y Verify the thermostat is wired correctly Make sure all low voltage wires are securely connected Verify the power supply branch circuit overcurrent protection is sized prop
46. ntenance page 16 for filter sizes and installation information A WARNING Never operate the air handler without a filter or with doors removed Dust and lint can build up on internal components resulting in loss of efficiency equipment damage and possible fire Acoustical Duct Work Certain installations may require the use of acoustical lining inside the supply duct work Acoustical insulation must be in accordance with the current revision of the Sheet Metal and Air Conditioning Contractors National Association SMACNA application standard for duct liners Duct lining must be UL classified batts or blankets with a fire hazard classification of FHC 25 50 or less Fiber duct work may be used in place of internal duct liners if the fiber duct work is in accordance with the current revision of the SMACNA construction standard on fibrous glass ducts Fibrous duct work and internal acoustical lining must be NFPA Class 1 air ducts when tested per UL Standard 181 for Class 1 ducts Damping ducts flexible vibration isolators or pleated media style filters on the return air inlet of the air handler may be used to reduce the transmission of equipment noise eminating from the air handler These treatments can produce a quieter installation particularly in the heated space However they can increase the 5 pressure drop in the duct system Care must be taken to maintain the proper maximum pressure rise across the air handler temperat
47. nts cool during brazing may result in structural damage premature equipmentfailure or possible personal injury 2 Unbraze and remove the cap on the suction line 3 Route and cut both lineset tubes to proper length in accordance with the outdoor unit specifications Verify the ends are round clean and free of any burrs 4 Position grommeton line set with sufficient distance away from brazing area Brazing processes can permanently damage grommets 5 Connect the suction and liquid lineset tubes N CAUTION It is recommended that a wet rag be wrapped around the suction line in front of the close off plate or the sensing bulb if TXV is installed before applying heat Failure to keep components cool during brazing may result in structural damage premature equipmentfailure or possible personal injury 6 Braze the individual connections with dry nitrogen flowing through the joints NOTE This will prevent internal oxidation and scaling from occurring 7 Wrap the refrigerant lines with pressure sensitive neoprene or other suitable material especially where the lines enter the opening in the sheet metal 8 Evacuate the system of moisture and non condensables to prevent low efficiency operation or damage to the unit The suggested range of evacuation is 350 500 microns 9 Charge the system with refrigerant Refer to the outdoor unit installation manual for additional charging instructions 10 Check the system for leaks i
48. onnections are not damaged Do not pull on the coils upper tubes Mounting Applications Vertical only air handlers are factory ready for upflow applications These units may be applied in downflow applications when applied with the appropriate field kit Factory ready horizontal air handlers may be applied in upflow or horizontal left and right discharge applications These units may also be applied in downflow discharge when applied with the appropriate field kit as specified in the units Technical Specifications Through the floor installations require a 1 4 thick noncombustible resilient gasket to be used whenever the supply or return air ducts pass through the floor The gasket should be positioned between the duct unit and floor Horizontal Drain Pan Return Air Figure 1 Upflow Installation Upflow Installations All air handlers are factory shipped ready for upflow installation The horizontal drain pan may be removed from the air handler when installing the unit in an upflow configuration All return air must enter from the bottom of the unit A typical upflow unit is shown in Figure 1 Downflow Installations The downflow accessory kit See Technical Specifications is required for downflow applications Instructions for installing the downflow accessory kit are included with the kit Itis recommended that accessory be installed prior to installing the unit All return air in downflow
49. pacity of the air handler to ensure its proper airflow rating Use transition fittings if the supply and or return air openings of the unit do not match the duct openings Thesetransitions should be dimensioned in accordance with standard practice as specified in the ASHRAE recommendations for duct transitions Flexible connectors may be used between the unit and the ductwork to prevent transmission of vibration from the unit to the structure If electric heater kits are installed heat resistant material must be used for the flexible connector at the supply air end of the unit It is good practice to seal all connections and joints with industrial grade sealing tape or liquid sealant Requirements for sealing ducts vary from region to region Consult with local codes for requirements specific to your area Unconditioned Spaces All duct work passing through unconditioned space must be properly insulated to minimize duct losses and prevent condensation Use insulation with an outer vapor barrier Refer to local codes for insulation material requirements Air Filters B6 Series Air Handlers are not supplied with an air filter when shipped from the factory The installer must provide a high velocity filter that is appropriately sized to the return air duct opening or filter rack located in the bottom of the unit Accessing the filter does not require tools and can be removed from the front of the unit by removing the filter door See Unit Mai
50. ply cables must be added to support and protect the power supply cables All 208 230 Volt units are shipped from the factory wired for 240 volt operation For 208V operation remove the lead from the transformer terminal marked 240V and connect it to the terminal marked 208V e e Grounding A WARNING The unit cabinet must have an uninterrupted or unbroken electrical ground to minimize personal injury if an electrical fault should occur Do not use gas piping as an electrical ground This unit must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code ANSI NFPA 70 or the CSA C22 1 Electrical Code Use the grounding lug provided in the control box for grounding the unit Thermostat Connections Thermostat connections shall be in accordance with the instructions supplied with the thermostat The thermostat used with this equipment must operate in conjunction with any installed accessories Typical AC and air handler hookups are shown in Figure 9 page 12 CAUTION Isolation must be maintained from the external Class 2 output of any transformer in a cooling circuit Use a thermostat with isolating contacts to prevent inter connection of Class 2 outputs Where local codes require that the thermostat wiring must be routed through a conduit or raceway splices can be made inside the unit however all wiring must be NEC Class 1 and separated from i
51. roL No Power NORMAL OPERATION FIXED SPEED FURNACES Motor FAULT Twin FAULT NO MOTOR FAULT COMMUNICATIONS FAULT ConrroL Power NoRMAL OPERATION VARIABLE SPEED FURNACES Motor FAULT COMMUNICATIONS FAULT Table 4 Motor Control Board Fault Conditions 55 8 DETAIL apr 211 8 K O FIGURES amp TABLES 11 4 11 8 typ 13 4 typ 1 sie 17 8 11 8 7 8 43 56 14 316 12 34 Tall B 49 5 16 19 11 16 18 1 4 551516 22 7116 Figure 11 B6 Series Physical Dimensions 17 Upper Door Assembly Lower Door Assembly Breaker 60 Circuit Heating Element Assembly Transformer Motor Control p Blower Wheel X A Motor E us Mount Kit PRA Blower Housing lt Bae PE Coil Motor Assembly Filter Horizontal Door Drain Pan Vertical Drain Pan Filter Tracks Figure 12 Air Handler Components DRY COIL ESP 24K A CABINET 30K A CABINET 24K B CABINET 30 36K B CABINET 42 48K B CABINET 48K C CABINET 60K C CABINET NOTES Corrected ESP Medium Corrected ESP Corrected ESP Corrected ESP Medium Correcte
52. rol Board E LA IM O ASA 9 H o HEATER 1 Figure 14 Two Stage Control Board 23 DEHUM Y1 TWIN FAN SPEED NOT USED A STATUS 4 TEST PORT 000000 EXPANSION PORT 000000 SS S S TEST PORT W1 EXPANSION PORT 000000 00000000 BLOWER MOTOR STATUS LIGHTS OO z a L 1 L2 OUT L2 IN FAN SPEED DEHUM __ A Y HEAT COOL SENSOR 7 GND OOOOO OOO BLOWER MOTOR Figure 16 Variable Speed Motor Control Board 6001 20 L LZ BuutM 4 Ll 30 93345 65 HIM 4 HOLOIN Ofrid H31V3H ebneb awes au TWNIWHSL JO Jaddod 2 501 UR juo asn si Qquvoa dl euj lul Y JI F pesn ddns uonisod HINHOASNVHL de ay dej og OM jenp e 1 10 5 1 1 5 suononuaisu uonejjeisu ou 995 Q3TIVLSNI LON 831V3H N3HM UMOUS se eq 1ou Aew DNISNOH DM1d 3AOW3H OL SAYIM LND uonoeuuoo dej p ds
53. rs if supplied from the back of the coil and discard 4 Place the horizontal drain pan on the opposite side of the coil On units with 2 sets of knockouts remove the other set of knockouts in the coil spacing plates and insert support rod 5 Slide the coil and the horizontal drain pan assembly back into the unit Re attach the tube close off plate NOTE For A size cabinet applications it may be preferrable to remove the blower assembly prior to installing the coil amp drainpan In this case follow instructions 1 4 as listed above but also remove the blower access door and blower assembly The blower assembly is secured with two screws on either side nearthe front With these removed the blower assembly can slide out of the front of the unit Install the coil and drain pan as described in step 5 and then replace the blower assembly Take care to ensure that the flanges on the sides of the blower assembly are captured by the pockets in the blower deck It may be necessary to lift the blower assembly during insertion to allow the lower blower leg to clear the side of the drain pan The blower will stop against the back of the blower deck Replace the two screws and the blower access door and procede with steps 6 9 6 Remove the plug from one of the threaded holes in the horizontal drain pan Completely remove the webbing located in the threaded holes of the drain pan IMPORTANT If the webbing is not removed the condensate will not dr
54. speed air handlers cannot be twinned Heater Kits Thermostat Thermostat Thermostat WYGR Nro NOTE Jumper W1 amp W2 WY GR YI WZ WE GR together if not using W2 Air th tat ig Conditioner Y1 Y1 Ay Air w2 p 2 wi Air wi Q B Air Conditioner g wis Conditioner n n zi Y 2 d Ay G GA I n x R 1 6 A E R A c A c Air Air Handler Handler Typical Air Conditioner with Typical Air Conditioner with Typical 2 Stage Air Conditioner Standard Air Handler 2 Stage Air Handler with 2 Stage Air Handler Thermostat Thermostat Thermostat 2 NOTE Jumper W1 amp W2 W2 O Y G R C W E 1 W2WEOY2GR C 9 together if not using W2 99999 9 on thermostat 1 NOTE Jumper between 1 m H 7 W2 amp 15 required when M ADA andler Stati no OD T Stat is used w2 P 2 d
55. to the unit or internal components it is recommended that two wrenches be used when loosening or tightening nuts Do not over tighten 9 Realign the assembly nut on the distributor body and hand tighten both components Mark a line on both bodies and then tighten an additional 1 4 turn using two wrenches The movement of the two lines will show how much the nut is tightened If a torque wrench is used tighten to 10 12 ft Ibs or 14 16 Connecting the Linesets IMPORTANT NOTES FOR HORIZONTAL OR DOWNFLOW INSTALLATIONS WITH TXV VALVE The sensing bulb must be located flush against the suction line for optimum heat transfer Avoid attaching the sensing bulb to the lowest part of the suction line where condensate may accumulate Do not locate the sensing bulb on vertical sections of the lineset For horizontal lines the bulb should not be located at 12 or 6 o clock position of the suction line The best location is at 4 or 8 o clock For additional information on proper sensing bulb locations please refer to the valve manufacturer s instructions IMPORTANT The steps in the Orifice Removal amp Installation section page 8 must be performed before the linesets are connected 1 Remove grommets from line set holes N CAUTION It is recommended that a wet rag be wrapped around the suction line in front of the close off plate or the sensing bulb if TXV is installed before applying heat Failure to keep compone
56. ure rise and flow rate This may mean increasing the duct size and or reducing the blower speed These treatments must be constructed and installed in accordance with NFPA and SMACNA construction standards Consult with local codes for special requirements For best sound performance be sure to install all the needed gaskets and grommets around penetrations into the air handler such as for electrical wiring AIR HANDLER INSTALLATION The B6 Series Air Handler is shipped ready for vertical upflow installation and is approved for attic basement alcove closet or crawlspace installation with zero clearance to combustibles See Table 1 page 4 for required installation clearances This appliance is approved only for indoor use The unit must be leveled at installation and attached to a properly installed duct system The surface that the air handler is mounted on must provide sound physical support of the unit The air handler must be installed so that all electrical components are protected from water If a louvered door is installed across the front of this unit the appliance must be mounted flush or behind front edge of finished wall Always reinstall the doors on the air handler after servicing orcleaning changing the filters Do not operate the air handler withoutall doors and covers in place Packaging Removal Remove the shipping crate and User s Manual from the equipment When removing the crate use extra care so tubing c
57. within the limits of the motor 3 Speed Units The blower speed is preset at the factory for operation at the same speed for heating and cooling by using the jumping terminal on the blower motor and connecting it to the desired speed with both the red and black wires connected to the jumping terminal NOTE The control board is programmed with a 40 second off delay in the cooling mode for optimum system performance and efficiency CAUTION To avoid personal injury or property damage make sure the motor leads do not come into contact with any uninsulated metal components of the unit For optimum system performance and comfort it may be necessary to change the factory set speed See Table 5 page 19 for airflow data To change the blower speed 1 Disconnect all electrical power to the unit and remove the upper door 2 Remove the black and red wires from the blower motor jumping terminal Discard the blower motor jumping terminal 3 Connect the heating speed wire red and the cooling speed wire black to the desired blower speed marked on the terminal block of the blower motor Terminal 4 Hi speed Terminal 5 Med speed Terminal 6 Low speed 4 Replace the upper door and secure it to the unit 5 Restore power to the unit High Efficiency Units Variable amp Fixed Speed IMPORTANT This air handler has been designed to give the installer maximum flexibility to optimize system performance efficiency
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