Installation Manual B6BMMO
Contents
1. 11 Control Board asas RA A nj rte ai 12 AMUN animaka Saphana aa asua et 12 Heater MIS inaamin bla an 13 Electronic Air Cleaner 13 Humidifier asas edn naan hia oe am 13 Optional Humidistat 13 Startup amp Adjustments 13 Before You Start the Unit 13 Refrigerant Charging 14 Air Circulation cies aka Mate ALAR eases 14 Running the Blower Continuously 14 Selecting Continuous Low Spd Fan Operation 14 Turning the Blower Off 14 System Cooling 14 System Heating 14 Selecting minimum Electric Heat Airflow 14 Blower Configurations 14 Determining Nominal System Capacity 14 3 Speed Units 14 High Efficiency Units Var amp Fixed Speed 15 Selecting Basic Heating Airflow 15 Selecting Basic Cooling Heat Pump Airflow 15 Dehumidification Options 15 Unit Maintenancoces 16 Troubleshooting 16 Figures 8 Tables 17 Fig2. HIM PlI9 4 abneb awes ou TWNIWH3L Jo alm Jaddod 7 501 oe A uo asn pade dai si daddino3 GUVOA dl Buum JeusaU aY Jl r posn o6eyjoA A ddns eu YUM uonisod HINHOASNVHL de ay ylew de noo eg og 81 9N11d Nld Aewud abejjoa jenp e aney ew JSWJOJSUEI DUDIMOS alojaq Jomod je 1 9UUO2SIG Z SUONINJ SU uonelle1sul eu 995 GITIVLSNI LON LIM d31V3H NIHM UMOUS se aq jou feu DNISNOH DM1d JAOW3d OL SIYIM LNO U01 DaUU0D de paads 40 0W Jamojq 3Y L SALON JojpuekH Aly NYdOVIG ONIdi M 25 Figure 17 Wiring Diagram for B6BM Series Air Handler 0150 O9ZOLLZ ON1d Nid 9 SSANYVH OM1d Nid 6 aneb awes ay Jo m JaddoD 7 501 A uo sn paDejdau si bunim euloju aY JI r pasn abe oa A ddns y YUM uonIsod de ay YIIEY dej Kewnd a6eyoa jenp e aney AW J9WJOJSUEI DUDIAOS 210 30 JaMOd e 19UUODSIJ Z SUOJPNIJSUI uo 1e E1SU ay 995 UMOUS se aq OU Aeuu uojjDauuo gt de paads JOJOW Jamojq SUL L ON 1d Nld 9 EXPANSION HEATER PLUG eBeyoA UBIH e6eyoA M0 BuniM Aioyoe4 Bun play HIWHOISNVHL woo 802 Ove GATIVLSNI LON LIX d31V3H NIHM DNISNOH DM1d JAOW3d OL SIYIM LAD suon JOJON AdU B114 U IH P99dS p9X 4 Y IM JojpueH ITV NVHOVIG ONIdIM Figure 18 Wiring Diagram for B6EM Series Air Handler 26 0150 0220LLZ naauo i Lao CO HOSN3S IA CO NNH3a ana N33d9 MOTIIA 3SNVHO qaq 1 2 3 4 5 6 ON1d Nld 9 ONISNOH
3. e e as the opening provided on the air handler The ducts should be appropriately sized to the capacity 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 These transitions 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 ahigh 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
4. 009Q XX 015Q XX None 005H XX 008H XX 010H XX 015H XX 020H XX 024H XX 029H XX 009Q XX 015Q XX Table 10 B6BM Minimum Circuit Ampacity amp Maximum Overcurrent Protection 28 240 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 B CIRCUIT SINGLE CIRCUIT CIRCUIT B CIRCUIT SINGLE CIRCUIT CIRCUIT CIRCUIT C SINGLE CIRCUIT CIRCUIT 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 B6 E V M Minimum Circuit Ampacity amp Maximum Overcurrent Protection CONTROL SIGNAL amp MODE 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 age 1 Heat on instantly eat blower on after 3 second delay tage 2 Heat on after 5 second delay age 1 Heat on instantly eat blower on after 3 second delay age 2 H
5. KO dd 43 4 KO l typ DETAIL pr Dome 4 4 o 4 T pe _ Bo sane 1911116 1814 No Figure 11 B6 Series Physical Dimensions Upper Door Assembly FK TS Lower Door Assembly Breaker 60A Wg Circuit Heating Element Assembly Transformer ao Motor Control j Board lt gt Blower Control ad Wheel Board Capacitor Motor E Mount Kit oner ST 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 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 Corrected ESP Medium Corrected ESP Corrected ESP 1 Airflow is shown in cfm 5 2 External static pressure ESP is shown in inches w c AIRFLOW DATA 0 40 0 50 0 60 0 70 0 80 5 515 0 30 0 42 0 53 0 65 0 76 607 0 19 781 0 11 975 793 0 15 1046 0 04 1184 664 0 19 886 0 1
6. This switch shall be capable of electrically de energizing the outdoor unit See unit data label 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 Tables 7 8 pages 27 28 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 Figures 9 amp 17 19 pages 12 8 24 26 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 If replacing any of the original wires supplied with the unit the replacementwire mustbe copperwire consisting of the same gauge and temperature rating Provide power supply forthe unitin accordance with the unit wiring diagram and the unit rating plate Use UL listed conduit andconduit connectors for connecting the supply wires to the unit and
7. outdoor unit installation manual for additional charging instructions 10 Check the system for leaks including 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 in structural damage premature eguipment failure or possible personal injury e 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 e e 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 e If the ai
8. Remove the shipping crate and User s Manual from the equipment When removing the crate use extra care so tubing connectios 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 ff 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 includ
9. 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 Tables 6 or 9 pages 20 8 22 NOTE 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 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 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 b
10. 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 monthly 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 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 eguipment damage and possible fire Filters designed to remove smaller particles such as pollen may require additional maintenance CABINET SIZE FILTER SIZE 12x20x1 18x20x1 20x20x1 Table 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 that the blower compartment be cleaned of dirt or lint that may have accumulated in the compartment or on the 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 B
11. assembly out of the unit 3 Remove the sheet metal hairpin covers 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 near the 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 I
12. for proper grounding Field supplied bushings for the power supply 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 Grounding A WARNING The unit cabinet must have an uninterrupted or unbroken electrical ground to minimize personal injury ifanelectrical 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 t he National Electrical Code ANSI NFPA 70 or the CSA C22 1 Electrical Code Use the grounding lug provided in t he control box for grounding the unit Thermostat Connections e Thermostat connections shall be in accordance with the instructions supplied with the thermostat The thermostat used with this eguipment must operate in conjunction with any installed accessories Typical AC and air handler hookups are shown in Figure 9 page 12 A 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 e Where local codes require that the thermostat wiring must be routed through a conduit or raceway splices can be made
13. inside the unit however all wiring must be NEC Class 1 and separated from incoming power leads The thermostat should be mounted about 5 feet above the floor on an inside 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 11 12 fireplaces sunlight or lighting fixtures and convective heat from warm air registers or electrical appliances Refer to the thermostat manufacturers 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 preventchafing and or shorting ofthe 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 Figures 13 or 14 page23 and Table 12 pages 29 30 for control board modes and actions Twinning B6BMair 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 sup
14. 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 20 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 e Formaximum 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 marked 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 instru
15. 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 instantly Cool blower on after 3 second delay Stage 2 Heat on after 5 seconds delay Stage 3 Heat on after 30 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 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 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 Stage 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 Fan blower on after 3 second delay Fan blower off instantly Y Y2 HEAT PUMP amp COOL Cool blower on after 3 second delay Cool blower off after 40 second delay Y1 HEAT PUMP amp COOL Cool blower on after 3 second delay Cool blower off after 40 second delay Y1 8 Y Y2 HEAT PUMP amp COOL Cool blower on after 3 sec
16. the blower to run at a reduced CFM for 10 minutes after a call for cooling NOTE If outdoor unit is a heat pump connect the O terminal to DHUM MOTOR CONTROL BOARD HUMIDISTAT Figure 10 DHUM Wiring Configuration UNIT MAINTENANCE Proper maintenance is most importantto 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 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 disconnect all electrical power to air handler e When servicing controls label all wires prior to disconnecting Reconnect wires correctly e 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 without all 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
17. 0 1126 871 0 16 1188 0 03 1333 1271 0 17 1418 0 13 1558 1592 0 21 1890 Sen 0 23 0 36 0 48 0 60 0 72 4 4 345 7 59 08 1130 1070 1005 935 63 63 06 734 682 25 64 920 860 97 730 6 0 14 0 27 0 40 0 53 0 67 753 704 47 81 97 40 74 99 860 0 10 0 23 0 36 0 49 0 63 6 0 30 0 41 0 53 0 64 0 76 8 6 0 22 0 33 0 46 0 58 0 71 8 0 15 1270 0 28 1196 0 41 1113 0 54 1018 584 5 4 7 64 28 32 271 01 21 01 31 55 91 03 05 0 68 913 0 09 0 23 0 36 0 50 0 64 1233 1187 1134 1072 1003 0 27 0 38 0 49 0 61 0 72 1373 1320 1260 1193 1118 0 24 0 36 0 47 0 58 0 70 1506 1447 1380 1305 1223 0 21 0 33 0 44 0 56 0 68 1565 1524 1468 1399 1316 0 31 0 42 0 52 0 63 0 74 1830 1758 1675 1580 1474 0 28 0 39 0 50 0 61 0 72 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 3 See unit nameplate or installation instructions for maximum recommended external static pressure Table 5 Airflow Data for B6BM Air Handlers 19 Switch Settings Cooling or Heating Airflow CFM 0 OFF 1 ON Dry Coil ESP 1 5 2 6 3 7 4 8 B i 0 3 0 4 0 5 0 6 B6EM A cabinet m EO OJ O OO Oj oj o oj o alalololalalolo alalolo alalolo jo ojo o ojo o o Switc
18. B6BM B6EM amp B6VM Series INSTALLATION INSTRUCTIONS AIR HANDLER IMPORTANT Please read all information in this manual thoroughly and become familiar with the capabilities and use of your appliance before attempting to operate or maintain this unit These instructions are primarily intended to assist gualified individuals experienced in the proper installation of this appliance Some local codes reguire licensed installation service personnel for this type of equipment Improper installation service adjustment or maintenance may cause explosion fire electrical shock or other hazardous conditions which may result in personal injury or property damage Unless otherwise noted in these instructions only factory authorized kits or accessories may be used with this product Keep this manual where you have easy access to it in the future If a problem occurs check the instructions and follow recommendations given If these suggestions don t eliminate your problem call your servicing contractor DO NOT DESTROY PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE TABLE OF CONTENTS Important Safety Information 3 Requirements amp Codes 3 General Information essere 4 Before You Install this Unit 4 Locating the Air Handler 4 Minimu
19. ITY GORE Or Table 8 Recommended Cooling Airflow Settings for B6VM Air Handlers NOMICAL CAPACITY 21 Cooling Airflow Heating Airflow A B Switch Setting se eta Airflow A B Switch Setting Heater Kit Airflow 0 OFF 1 ON T CFM 0 OFF 1 ON installed KW CFM B6VM A cabinet o o ojojoj ojojo m S oSj SS S S S OG 8 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 ojojojojojojojojojojojojojojojo T O OJOJOJ oO i m O O O O OO APO OIO Oj jO Cooling Airflow Heating Airflow A B Switch Setting S DE ene Airflow A B Switch Setting Heater Kit Airflow 0 OFF 1 ON CFM 0 OFF 1 ON installed KW CFM B6VM B cabinet jojojojojojojojofjo 8 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 a alala la lololololalalalalolololo l olola o lo l a olo l lolo Cooling Airflow Heating Airflow A B Switch Setting COOL Switch Setting Airflow A B Switch Setting Heater Kit Airflow either 0 or 1 E 7 CFM either O or 1 Installed KW CFM B6VM C cabinet NOTES Airflow values listed are for 240V operation For 208V operation multiply A amp B cabinet values by 95 for C cabinet values mulitply by 90 e When matched with tw
20. LECTRICAL CONNECTIONS 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 disconnect all electrical power to the air handler e When servicing controls label all wires prior to disconnecting Reconnect wires correctly e Verify proper operation after servicing e 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 e For Canadian installations the electrical connections and grounding shall comply with the current Canadian Electrical Code CSA C22 1 and or local codes Pre Electrical Checklist N Verify the voltage frequency and phase of the supply source match the specifications on the unit rating plate N 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 Tables 9 10 pages 28 29 for proper high and low voltage wiring N Verify factory wiring is in accordance with the unit wiring diagram Figures 17 19 pages 24 26 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
21. MPORTANT If the webbing is not removed the condensate will not drain 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 Refrigerant Line Connections A WARNING NITROGEN HEALTH 1 Thecoilinthe 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 FLAMMABILITY 0 Lo 0 Minimal Hazard 1 Slight Hazard REACTIVITY e 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 air handler coil does not contain a refrigerant charge Refer to the installation instructions supplied with the outdoor unit for refrigerant charge information Always r
22. NING indicates a potentially hazardous situation that if not avoided could result in personal injury or death CAUTION indicates a potentially hazardous situation that if not avoided may resultin 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 disconnect all electrical power to air handler e When servicing controls label all wires prior to disconnecting Reconnect wires correctly e Verify proper operation after servicing A WARNING NITROGEN HEALTH 1 FLAMMABILITY 0 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 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 WARNING PROPOSITION 65 WARNING This product contain
23. Nld 6 ON1d Nid 9 ana Naado MOTIIA JONVHO qaq NMOda ON1d Nid 6 23456 1 HINWHOISNYVHL woo EXPANSION eBeyoA UPIH e6eyoA MO1 Bu Alojoe4 UNM PI pusbs7 aBneb awes ay JO alim Jaddod 5 501 Ajuo asn padejday s Bum jeusayU 91 JI T pasn 2681 04 Ajddns ay yum uonisod de y U2 eW de AJewud o6eyoa jenp eaney eu JouMojsuel BUDIAMOS olojog JAMO e BUUODSIG Z SUONJINJ SU uonej e1su BY 995 UMOUS se aq jou Aew uol uuo2 de paads J0 OW Jamojq Su l SALON SSSNYVH GATIVISNI LON LIM d3 IVJH NIHM DNISNOH ON 1d SAOWAY OL SAYIM LNO HEATER PLUG 1O OIN AdU 212147 U IH P9edS sjqeueA Y IM JsjpueH 1IV NVYHOVIG ONIYIM Handler Ir ies A iagram for B6VM Ser ing D Ir w igure 19 F 27 240 VAC 50 amp 60 HZ SINGLE PHASE 208 VAC 50 amp 60 HZ SINGLE PHASE HEAT KIT MCA MOP MODEL NUMBER H6HK CAPACITY CIRCUIT A CIRCUIT B CIRCUIT C SINGLE CIRCUIT CIRCUIT A CIRCUIT B CIRCUIT C SINGLE CIRCUIT CIRCUIT A CIRCUIT B CIRCUIT C SINGLE CIRCUIT CIRCUIT A CIRCUIT B CIRCUIT C SINGLE CIRCUIT None 005H XX 008H XX 010H XX 009Q XX None 005H XX 008H XX 010H XX 009Q XX None 005H XX 008H XX 010H XX 015H XX 009Q XX 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 009Q XX 015Q XX None 005H XX 008H XX 010H XX 015H XX 020H XX 024H XX 029H XX
24. a q a R Ra R C R R Ds Ra A O A A AC NG ce AG Air Air Heat Pum P Handler Heat Pump Handler Heat Pump Typical Heat Pump with Typical Heat Pump with Typical 2 Stage Heat Pump with Standard Air Handler Variable Speed Air Handler Variable Speed Air Handler Figure 9 Typical Thermostat Connections NOTE Variable speed air handlers cannot be twinned Heater Kits 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 reguirements If a heater kit is installed The B6BMair 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 AGabin tiss s 24e A et auda 15Kw max B Cabinet 20Kw max C Gabin ti2 5s sesmssln nur Le fr kataka 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 8 Connect the heater kit plug with the mating receptacle on the air handler control board If a heater kit is not installed 1 Remove the 2 wire plug of the air handler by cutting the wires and discarding the plug 2 Strip the ends of the 2 air ha
25. by pass air The filter must be inspected freguently and replaced when necessary Return air must be supplied unrestricted and located such that dust and gases from construction activity are not introduced into the circulating air system Before occupying the structure The filter must be replaced or cleaned the duct work must be inspected INSTALLATION CLEARANCES 0 Inches See Notes RIGHT SIDE 1 TNOTES 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 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 e 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 ofthis submittal shall be available for the final inspection of the air handler prior to occupancy Installation in a Garage A WARNING Do notplace combustible materials on or against the cabinet Do not place flammable materials gasoline paint thinners etc or any other flammable
26. ctions supplied with the outdoor unit Ificing 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 Figures 15 amp 16 page 23 have a DHUM connection that allows the system to 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 This will only occur when there is a call for cooling There are many ways that this can be electrically wired 1 If the room thermostat incorporates a humidity sensor and DHUM output connect the DHUM on the thermostat to the DHUM terminal on the motor control board 2 lf using a separate humidistat connect the DHUM 8 R terminals on the humidistat to the DHUM 8 R terminals 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 If a humidistat is not available it is an acceptable option to connect the R 4 DHUM terminals on the motor control board together with a field supplied wire This option causes
27. ctory 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 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 guantity of refrigerant Refrigerant Charging The system refrigerant charge can be checked and adjusted through the service ports provided at the front panel ofthe outdoor unit Use only gauge lines which have a Schrader depression device presentto actuatethe valve Air Circulation Running the Blower Continuously Set the thermostats 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 Y Y2 or Y Y2 energized the air handler will operate in the selected cooling speed including 40 sec blower off delay Turning the Blower Off Set thermostat s fan mode to AUTO the blower will shut down immediately System Cooling 1 Set the thermostat s system
28. e 7 page 9 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 Avoidattachingthe sensing bulbtothe 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 8 Installation section page 8 must be performed before the linesets are connected 1 Remove grommets from line set holes A CAUTION It is recommended that a wet rag be wrapped Figure 7 Restrictor Insertion into Distributor Body 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 A CAUTION components cool during brazing may result To prevent damage to the unit or internal in structural damage premature equipment components it is recommended that two failure or possible personal injury wrenchesbeusedwhenloosening ortightening nuts Do not over tighten 2 Unbraze and remove the cap on the suction line 3 Route and cut both lineset tubes
29. eat on after 5 second delay tage 3 Heat on after 10 second delay age 1 Heat on instantly eat blower on after 3 second delay age 2 Heat on after 5 second delay tage 3 Heat on after 10 second delay age 1Heat on instantly eat blower on after 3 second delay age 2 Heat on after 5 second delay tage 3 Heat on after 10 second delay age 4 Heat on after 15 second delay Heat stages off instantly Blower off after 15 second delay s H s s H s s s H s s s H s s s Table 12 Control Board Operation 29 30 CONTROL SIGNAL amp MODE W1 8 Y Y2 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 Stage 2 Heat on after 5 seconds delay Stage 1 Heat on instantly Heat blower on after 3 second delay Stage 2 Heat on after 5 seconds delay Stage 3 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 3 Heat on after 10 seconds delay Stage 4 Heat on after 15 seconds delay Stage 1 Heat on instantly Heat 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 Stage 5 Heat o
30. ed with the kit It is recommended that the accessory be installed prior to installing the unit All return air in downflow applications must enter through the top of the unit A typical installation of the unit in a downflow application is shown in Figure 2 r Cabinet Tube Close off Plate f Adaptor Kit coit 1 ft 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 itisrecommended 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 r
31. efer to the installation instructions supplied with the outdoor unit for piping requirements The suction and liquid lines must be sized in accordance with the condensing unit specifications See Figure 11 page 17 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 refrigerant lines is required a copper tubing bender is recommended Avoid sharp bends and contact of the refrigerant lines with metal surfaces e Refrigerant lines should be wrapped with pressure sensitive neoprene or other suitable material where they pass against sharp sheet metal edges e 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
32. g 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 unitis level and properly located with adequate clearances for servicing the unit See Table 1 page 4 N Check condensate drain line s for proper drainage Verify the surrounding area and top of the unit is free from obstructions and debris V Check all duct connections Make sure the duct work is adequately sealed to prevent air leakage N 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 N Verify the thermostat is wired correctly Make sure all low voltage wires are securely connected N Verify the power supply branch circuit overcurrent protection is sized properly N Verify filter is properly and securely installed IMPORTANT Before starting the unit install the initial charge on units that are fa
33. h Settings Cooling or Heating Airflow CFM 0 OFF 1 ON Dry Coil ESP 1 5 2 6 3 7 4 8 0 3 0 4 0 5 0 6 B6EM B cabinet OS OoOo olo ojo o alalolola la lololala lololal lolo alalala lolololo la la a lalolololo Switch Settings Cooling or Heating Airflow CFM 0 OFF 1 ON Dry Coil ESP 1 5 2 6 3 7 4 8 I i 0 3 0 4 0 5 0 6 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 B6EM C cabinet T m jco S c OO oO oj oj o oj o sA jo ojo o ojo o 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 Airflow Data for B6EM FSHE Air Handlers 20 Nominal Electic Heat KW 15 20 25 Cabinet NOTE See Table 6 for appropriate switch settings for these airflows Table 7 Minimum Heating Airflow Settings in CFM for B6EM FSHE Air Handlers A CABINET SWITCH SETTINGS NOMINAL 1 ON 0 OFF ONE Or CAPACITY 5 6 7 8 10l010l0lo0lo0l0o ajalalalolololola a l a alolololo lola lola ola lola lolalolalolalo SWITCH SETTINGS SWITCH SETTINGS NOMINAL 1 ON 0 OFF 1 ON 0 OFF pa eu CAPAC
34. he duct system Care must be taken to maintain the proper maximum pressure rise across the air handler temperature 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 or cleaning changing the filters Do not operate the air handler without all doors and covers in place e Packaging Removal
35. lower 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 Is the electric turned on Is the thermostat operating properly e 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 Is the LED on both control boards constantly ON If not refer to Tables 3 or 4 to determine fault condition e ee e RED LED AN2 DIAGNOSTIC OFF Control Fault No Power Flash Blower Fault ON Normal Operation Table 3 Air handler Control Board Fault Conditions DIAGNOSTIC Control Fault No Power Normal Operation Motor Fault Twin Fault no motor fault Communications Fault Fixed Speed Furnaces Control Fault No Power Normal Operation Motor Fault Communications Fault Variable Speed Furnaces Table 4 Motor Control Board Fault Conditions FIGURES amp TABLES 21 8 K O typ SE TY 11 4 sal E 15 8 17 81 CT 2 5 8 1 1 8 1 7187 g 11 8 K O ZF K O T 3 Le typ
36. m Clearances aaa 4 Operation of Air Handler During Construction 4 Installation in a Garage 5 Plenums amp Air Ducts 5 Unconditioned Spaces 5 AIT FES sise nt aa a as ada 5 Acoustical Duct Work 5 Air Handler Installation 6 Packaging Removal 6 Mounting Applications 6 Upflow Installations 6 Downflow Installations 6 Horizontal Installations 7 Horizontal Left Installations 7 Horizontal Right Installations 7 Refrigerant Line Connections 8 Orifice removal amp Installation 8 Connecting the Linsets 9 Condensate Drainage 10 Electrical Connections 11 Pre Electrical Checklist 11 Line Voltage 11 Grond e i aktus RR sektas eae 11 Thermostat Connections
37. mended that the cooling load of the area to be conditioned should be calculated and a system of the proper capacity selected Y Check 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 e 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 code
38. 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 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 atthe 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 14 energized along with a heatpump the airflow maybe higher depending on the basic cooling heat pump airflow setting The minimum electric heat airflow is selected by the red blower wire on 3 speed models or setting switches 1 2 3
39. n after 20 seconds delay Stage 1 Heat on instantly Heat 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 Stage 5 Heat on after 20 seconds delay Stage 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 delay 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 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 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 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 Heat stages off instantly Heat blower turns off after 40 second delay Table 12 Control Board Operation Continued CONTROL SIGNAL amp MODE W1 W2 8 Y Y2 AUX HEAT G FAN OPERATION TOTAL KW BOARD ACTION Stage 1 Heat on instantly Cool blower on after 3
40. nd position as specified on pages 4 amp 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 Tables 5 9 pages 19 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 N 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 N it is recom
41. ndler 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 and maximum 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 Wire the humidistat to open on rise in humidity See Figures 15 amp 16 page 23 STARTUP amp ADJUSTMENTS A WARNING NITROGEN HEALTH FLAMMABILITY 0 REACTIVITY 0 Minimal Hazard 1 Slight Hazard The evaporator coil is shipped from the factory with a nitrogen charge Use caution when preparin
42. not require tools and can be removed from the front of the unit by removing the filter door See Unit Maintenance 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 Ductliningmustbe 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 5 handler may be used to reduce the transmission of eguipment noise eminating from the air handler These treatments can produce a quieter installation particularly in the heated space However they can increase the pressure drop in t
43. o stage outdoor units the airflow on low Y1 or W1 input only will be 70 of the values shown in this table jojojojojojojojofjo 8 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 alala lalololololal la a a lolololo alalolola la lololalalololalalolo Table 9 Airflow Data for B6VM VSHE Air Handlers ELECTRICAL DIAGRAMS 8 DATA BLWDTC BLWDTC_R HEATER P1 Figure 13 Single Stage Control Board 1 LA EM IM O ASA 9 4 9 HEATER P1 Figure 14 Two Stage Control Board 24 R DEHUM Y1 C TWIN TEST PORT o00000 W EXPANSION PORT 000000 FAN SPEED GREEN NOT USED G G SON O 00000000 N 7 N N HEAT COOL STATUS BLOWER MOTOR STATUS LIGHTS Ci OQ O L2 OUT L2 IN A z LU am 7 N 7 N al 7 FAN SPEED PEHUM L TEST PORT AL LL 6 HEAT COOL Ooooooo SENSOR JE EXPANSION PORT 0000 GND SS S S BLOWER MOTOR Figure 16 Variable Speed Motor Control Board 6001 VSZ0 LZ __ 96811041 MO Buu 1101984 HOLOANNOO ub Buu al
44. oard is programmed with a 40 second off delay in the cooling mode for optimum system performance and efficiency A 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 and comfort Because there are so many different ways to set up the air handler itis 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 Fig
45. od Fasten the frame together with nuts washers and lockwashers Secure the support frame HORIZONTAL RIGHT RETURN AIR 3 R gt hk HORIZONTAL LEFT ani a i RETURN gr E AIR Figure 3 Horizontal Configurations Threaded Rod Figure 4 Unit Horizontally Suspended to the rafters with lag bolts The air handler can also be 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
46. ond delay Cool blower off after 40 second delay Table 12 Control Board Operation Continued 31 INSTALLATION PERFORMANCE CHECK LIST INSTALLER NAME ELECTRICAL SYSTEM Electrical connections tight CITY Line voltage polarity correct YES INSTALLATION ADDRESS Supply Voltage V Has the thermostat been calibrated YES Is the thermostat level YES UNIT SERIAL ATTENTION INSTALLERS Minimum clearances per page 4 YES Itis your responsibility to know this product better than your customer Is the unit properly installed and YES This includes being able to install the product according to strict leveled safety guidelines and instructing the customer on how to operate Does condensate drain properly YES and maintain the equipment for the life of the product Safety should in both drain tubes 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 air handler or failure to follow safety Has the literature package been warnings could result in serious injury death or property damage left near the appliance Has the owner s information been reviewed with the home owner These instructions are primarily intended to assist qualified individuals experienced in the proper installation of this appliance Some local codes req
47. plied with the kit Thermostat Thermostat Thermostat WYGR NOTE Jumper W1 amp W2 WYGR Yi W2 WE Y2 G R 299 together if not using W2 po Air h kas on thermostat Conditioner Y Y Y1 Air W2 C w2 Handler wi amp Air wi q A Air Conditioner Wi Conditioner D a Y Y2 hoy Y Y2 A ye Y A ry G gq a O G A R g RO A M M RA c 4 Ac c O Ac cA Re Air Air Handler Handler Typical Air Conditioner with Typical Air Conditioner with Typical 2 Stage Air Conditioner Standard Air Handler Variable Speed Air Handler with Variable Speed Air Handler Thermostat Thermostat Thermostat W2 OYGRCE NOTE Jumper W1 8 W2 WM O Y G R C WE Y1 W2 WEOY2GR C op together if not using W2 999099 c So on thermostat i NOTE Jumper between Y1 N it Air W2 8 E is required when Yi q N1 Handler no OD T Stat is used w2YD w2 d Ro W1 e w2 wi w2 wir A wo o EX Ao o Rh Lo Y Ay viva Px Ay viv2 EN Assur G A O
48. r handler is located in or above a living space where damage may result from condensate overflow an auxiliary drain pan shall 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 HORIZONTAI 3 4 Adapter w 3 4 dia hose barb 3 4 minimum dia PVC or flexible tubing bs 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 E
49. s chemicals known to the state of California to cause cancer birth defects or other reproductive harm REQUIREMENTS amp CODES WARNING This unit must be installed in accordance with instructions outlined 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 eguipment safety glasses work gloves fire extinguisher etc when performing brazing operations Install this unit only in a location a
50. s for details Static pressure drop through louvered openings and through return air plenums should be considered in the overall duct 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 eguipment during construction is recommended This air handler may be used during construction if itis not in violation of any applicable codes and the following criteria are met e 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 pages 11 12 Theinstallation must include a properly installed filter in the return air system with no
51. steps 1 9 to confirm that the orifice size meets the requirements outlined in 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 of the liquid line Listen for any escaping gas If there is no pressure test the coil for leakage If leakage is found clearly mark the location of the leak and return the coil to the distributor for processing If 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 A 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 Figure 5 Loosening of Nut amp Distributor Body 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 9 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 Figur
52. 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 setwith sufficient distance away from brazing area Brazing processes can permanently damage grommets 5 Connect the suction and liquid lineset tubes A 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 eguipment failure or possible personal injury 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 torgue wrench is used tighten to 10 12 ft Ibs or 14 16 Nm 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 andnon 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
53. uire 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 U DESIGNED ASSEMBLED ARS O PEAS ENERGY STAR A CERTIFIED Listed Intertek www ahridirectory org COMPLETE COMFORT GENUINE VALUE NORDYNE III Specifications amp illustrations subject to change without notice or incurring obligations O Fallon MO Printed in U S A 05 12 709172B Replaces 709172A
54. ure 11 B6BM Physical Dimensions 17 Figure 12 Air Handler Components 18 Airflow Data 19 Table 5 B6BM Air Handlers 19 Table 6 B6EM Air Handlers 20 Table 7 B6EM Air Handlers Heat Only Airflow 21 Table 8 B6VM Air Handlers Cool Only Airflow 21 Table 9 B6VM Airflow Settings 22 Electrical Diagrams amp Data 23 Figure 13 Single Stage Control Board 23 Figure 14 Two Stage Control Board 23 Figure 15 Fixed Speed Control Board 24 Figure 16 Variable Speed Control Board 24 Figure 17 B6BM Wiring Diagram 25 Figure 18 B6EM Wiring Diagram 26 Figure 19 B6VM Wiring Diagram 27 Table 10 B6BM MCA amp MOP Data 28 Table 11 B6 E V M amp B6BV MCA amp MOP Data 29 Table 12 Control Board Operation 30 Installation Performance Checklist 32 IMPORTANT SAFETY INFORMATION INSTALLER Please read all instructions before servicing this eguipment Pay attention to all safety warnings and any other special notes highlighted in the manual Safety markings are used freguently throughout this manual to designate a degree or level of seriousness and should not be ignored WAR
55. ure 15 page 23 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 matchtheunitwiththe 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 Figures 15 amp 16 contain a set of dip switches for setting the blower speed For BEM models pins 1 4 set the speed for heating For B6VM models the A B 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 the amount of installed heat For both BEEM amp B6VM models the cooling speed is selected via switches 5 6 7 amp 8 To determine the appropriate switch settings for your installation see Tables 6 7 8 or 9 pages 20 22 Selecting Basic Cooling Heat Pump Airflow The basic cooling heat pump airflow is controlled by setting switches 5 8
56. vapors and liquids in the vicinity of the air handler The B6 Series air handler may be 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 e 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 90A 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 Guincy 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 This unitis designed only for use with a return and supply duct The return air duct must have the same free area
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