Nortek B6EM Series Installation Instructions Manual
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Nortek B6EM Series Installation Instructions Manual

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B6BM, B6EM, & B6VM SERIES
INStALLAtIoN INStRuctIoNS
AIR HANDLER
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 & KEEP IN A SAFE PLAcE FoR FutuRE REFERENcE.
IMPoRtANt
AttENtIoN INStALLERS:

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  • Page 1 B6BM, B6EM, & B6VM 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.

  • Page 2: Table Of Contents

    tABLE oF coNtENtS IMPoRtANt SAFEtY INFoRMAtIoN .....3 Blower Configurations ..........14 Determining Nominal System Capacity ....14 REquIREMENtS & coDES ........3 3-Speed Units ............14 GENERAL INFoRMAtIoN ........4 High Efficiency Units (Variable & Fixed Speed) ...15 Before You Install this Unit ........4 Selecting Basic Heating Airflow ......15 Locating the Air Handler ..........4 Selecting Basic Cooling / Heat Pump Airflow ..15 Dehumidification Options ........15...

  • Page 3: Important Safety Information

    IMPoRtANt SAFEtY INFoRMAtIoN REquIREMENtS & coDES Please read all instructions before servicing this equipment. WARNING: Pay attention to all safety warnings and any other special notes highlighted in the manual. Safety markings are used this unit must be installed in accordance frequently throughout this manual to designate a degree or level of seriousness and should not be ignored.

  • Page 4: General Information

    GENERAL INFoRMAtIoN operation of Air Handler During construction This appliance has been tested for capacity and efficiency cAutIoN: in accordance with AHRI Standards and will provide many years of safe and dependable comfort, providing Failure to follow these instructions will void the it is properly installed and maintained.

  • Page 5: Installation In A Garage

    • Before occupying the structure: The filter must be should be appropriately sized to the capacity of the air replaced or cleaned, the duct work must be inspected handler to ensure its proper airflow rating. and cleaned of any construction debris, and the air •...

  • Page 6: Air Handler Installation

    pressure drop in the 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.

  • Page 7: Horizontal Installations

    Horizontal Installations suspended using steel straps around each end of the The B6 Series air handler can be installed horizontally in unit. The straps should be attached to the air handler with an attic, basement, crawl space or alcove. It can also be sheet metal screws and to the rafters with bolts.

  • Page 8: Refrigerant Line Connections

    7. Insert the plug (from horizontal drain pan) into the open • Refrigerant lines should be wrapped with pressure and unused drain hole in the drain pan at the bottom sensitive neoprene or other suitable material where of the unit to block bypass air. they pass against sharp sheet metal edges.

  • Page 9: Connecting The Linesets

    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.

  • Page 10: Condensate Drainage

    8. Evacuate the system of moisture and non-condensables • If the air handler is located in or above a living space to prevent low efficiency operation or damage to the where damage may result from condensate overflow, unit. The suggested range of evacuation is 350 - 500 an auxiliary drain pan shall be installed under the unit.

  • Page 11: Electrical Connections

    ELEctRIcAL coNNEctIoNS • 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 WARNING: the unit. Aluminum supply wire may be used if a heater kit is installed.

  • Page 12: Control Board

    Refer to the thermostat manufacturer’s instruction sheet cooling. See Figure 13 (page 23) Figure 14 (page for detailed mounting and installation information. Table 12 (page 29), (page 30) & page • Install the grommet, which is packed with the unit, in for control board modes and actions.

  • Page 13: Electronic Air Cleaner (Eac)

    StARtuP & ADjuStMENtS When electric heat packages with circuit breakers are field-installed, the circuit breaker may be used as a WARNING: disconnecting means in most applications. Reference the NEC and local codes for disconnect requirements. If a heater kit is installed: NITROGEN The B6BM air handler is shipped from the factory without an electric heater kit installed.

  • Page 14: Refrigerant Charging

    5. Weigh in the proper amount of new (or reclaimed) setting. The minimum electric heat airflow is selected by refrigerant. Refer to the air conditioner or heat pump the red blower wire on 3-speed models or setting switches installation manual for the proper type and quantity of 1,2,3 &...

  • Page 15: High Efficiency Units (Variable & Fixed Speed)

    • Terminal 4 = Hi speed • For maximum capacity and energy efficiency, select an • Terminal 5 = Med speed airflow at or near the top of the range for that nominal capacity. See Table 8, (page 21). • Terminal 6 = Low speed •...

  • Page 16: Unit Maintenance

    uNIt MAINtENANcE cABINEt SIZE FILtER SIZE Proper maintenance is most important to achieve the best 12 x 20 x 1 performance from a air handler. Some of the components 18 x 20 x 1 and their locations are shown in Figure 12 (page 18).

  • Page 17: Figures & Tables

    FIGuRES & tABLES 3/4” 3/4” 3/4” 13” 11/8” K.O. (typ.) “A” 1 7/8" K.O. 11/4” 15/8” 11/4” 17/8” 3 1/4” 2 5/8” 1 1/8” 1 7/8” 7/8" K.O. 11/8” K.O. (typ.) 1 7/8” 3 5/8” 5 5/8” 13/4” K.O. (typ.) DETAIL “D”...
  • Page 18 Circuit Breaker (60A) Heating Element Assembly Transformer Motor Control Board Blower Control Upper Door Wheel Board Assembly Capacitor Motor Mount Kit Blower Housing Blower Coil Motor Assembly Filter Door Horizontal Vertical Drain Pan Drain Pan Filter Tracks Lower Door Assembly Figure 12.

  • Page 19: Airflow Data

    Airflow Data DRY coIL ESP 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 Corrected ESP 0.00 0.07 0.19 0.30 0.42 0.53 0.65 0.76 Medium *24K A-cABINEt Corrected ESP 0.00 0.00 0.11 0.23 0.36 0.48 0.60 0.72 High 1072 1026 Corrected ESP 0.00 0.00 0.00...
  • Page 20 cooLING oR HEAtING AIRFLoW (cFM) SWItcH SEttINGS 0 = oFF, 1 = oN DRY coIL ESP — — 1030 B6EM 1115 1085 1060 1020 A-cABINEt 1155 1130 1095 1070 1040 1010 1200 1175 1145 1110 1085 1060 1025 1000 1240 1215 1195 1170...
  • Page 21 NoMINAL ELEctIc HEAt KW cABINEt 1000 1300 1000 1100 1300 1500 1000 1100 1200 1400 1600 1800 2000 NotE: See Table 6 for appropriate switch settings for these airflows. table 7. B6EM (FSHE) Minimum Heating Airflow Settings (cFM) A-cABINEt SWItcH SEttINGS NoMINAL (1 = oN, 0 = oFF) cAPAcItY...
  • Page 22 cooLING AIRFLoW HEAtING AIRFLoW cooL SWItcH SEttING A/B SWItcH SEttING AIRFLoW A/B SWItcH SEttING HEAtER KIt AIRFLoW 0 = oFF, 1 = oN 0 = oFF, 1 = oN (cFM) 0 = oFF, 1 = oN INStALLED (KW) (cFM) 1000 1000 1300 B6VM...

  • Page 23: Electrical Diagrams & Data

    Electrical Diagrams & Data 3A Fuse BLWDTC BLWDTC_R COOL HEAT LED 1 HEATER P1 Figure 13. Single Stage control Board LED 1 HEATER P1 Figure 14. two - Stage control Board...
  • Page 24 TEST PORT EXPANSION PORT FAN SPEED 1 2 3 4 5 6 7 8 COOL HEAT STATUS BLOWER MOTOR Figure 15. Fixed Speed Motor control Board STATUS LIGHTS L2-IN L2-OUT Y/Y2 L1-IN L1-OUT DEHUM FAN SPEED 2 3 4 5 6 7 8 TEST PORT COOL HEAT...
  • Page 25 RELAY Figure 17. B6BM Wiring Diagram...
  • Page 26 BLUE BLUE GREEN GREEN YELLOW YELLOW ORANGE ORANGE BROWN BROWN EXPANSION HEATER PLUG Figure 18. B6EM Wiring Diagram...
  • Page 27 WHITE BLACK 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 EXPANSION HEATER PLUG Figure 19. B6VM Wiring Diagram...
  • Page 28 B6BM MINIMuM cIRcuIt AMPAcItY & MAXIMuM oVERcuRRENt PRotEctIoN 240 VAc, 50 & 60 HZ, SINGLE PHASE 208 VAc, 50 & 60 HZ, SINGLE PHASE HEAt KIt MoDEL cABINEt cAPAcItY NuMBER H6HK- NONE 005H-XX 26.6 26.6 23.3 23.3 008H-XX 41.2 41.2 35.9 35.9 010H-XX...
  • Page 29 B6(E,V)M MINIMuM cIRcuIt AMPAcItY & MAXIMuM oVERcuRRENt PRotEctIoN 240 VAc, 50 & 60 HZ, SINGLE PHASE 208 VAc, 50 & 60 HZ, SINGLE PHASE HEAt KIt MoDEL cABINEt cAPAcItY NuMBER H6HK- NONE 005H-XX 29.5 29.5 26.4 26.4 008H-XX 44.1 44.1 39.1 39.1 010H-XX...
  • Page 30 coNtRoL SIGNAL & MoDE oPERAtIoN totAL KW BoARD ActIoN tage eat on instantly 5 KW eat blower on aFter seCond delay tage eat on instantly 10 KW eat blower on aFter seCond delay tage eat on aFter seConds delay tage eat on instantly eat blower on aFter seCond delay...
  • Page 31 coNtRoL SIGNAL & MoDE oPERAtIoN totAL KW BoARD ActIoN tage eat on instantly 5 KW ool blower on aFter seCond delay tage eat on instantly 10 KW ool blower on aFter seCond delay tage eat on aFter seConds delay tage eat on instantly ool blower on aFter seCond delay...

  • Page 32: Installation / Performance Check List

    WARNING: this product contains chemicals known to the state of california to cause birth defects or other reproductive harm. Specifications & illustrations subject to change without notice or incurring obligations (05/15). 709172c (Replaces 709172B) O’Fallon, MO, © Nortek Global HVAC LLC 2015. All Rights Reserved.

This manual is also suitable for:

B6bm seriesB6vm seriesB6vmmxB6vmaxB6bmmx

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