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INSTALLATION INSTRUCTIONS
BAH7AE
IMPORTANT
Every working procedure that affects safety means shall
only be carried out by competent persons. This appliance
is not to be used by persons (including children) with
reduced physical, sensory or mental capabilities, or
lack of experience and knowledge, unless they have
been given supervision or instruction concerning use of
the appliance by a person responsible for their safety.
Children should be supervised to ensure they do not
play with the appliance.
IMPORTANT
If installing in an R454B application, R454B air handler
sensor kit (27J27), Refrigerant Detection System
Control (27A05) and R454B TXV (26Z70, 26Z71, or
26Z72) must be ordered.
If installing in an R454B application, use installation
instructions provided in R454B air handler sensor kit
(27J27).
For sensor maintenance recommendations, refer to the
instructions in kit 27J27.
508474-01
This manual must be left with the homeowner for future reference.
One-Piece Constant Torque
Table of Contents
General ........................................................................2
Shipping and Packing List ...........................................2
Wiring diagram ............................................................3
Air Flow - Cooling Blower Speed .................................4
Blower Performance Data ...........................................5
Electrical Connections .................................................7
Requirements ..............................................................9
Nameplate Marking .....................................................9
Unit Dimensions - Upflow - Inches (mm) .................10
Checkout Procedures ................................................12
Operation ...................................................................12
Installation Clearances ..............................................13
Installation .................................................................13
Condensate Drain......................................................14
Duct System and Filters ...........................................16
Brazing Refrigerant Lines ..........................................18
Sealing the Unit .........................................................18
Homeowner Maintenance..........................................19
Professional Maintenance .........................................19
Repairing or Replacing Cabinet Insulation ................19
Decommissioning ......................................................20
Use of Air Handler During Construction.....................20
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional HVAC installer or
equivalent, service agency, or the gas supplier.
*P508474-01*
Issue 2424
Air Handler- R410A
WARNING
Blue Summit LLC 8201 C
National Turnpike Louisville,
KY 4021
(P) 508474-01
Page 1 of 22
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Summary of Contents for Allied BAH7AE Series
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Page 1: Table Of Contents
INSTALLATION INSTRUCTIONS One-Piece Constant Torque BAH7AE Air Handler- R410A This manual must be left with the homeowner for future reference. Table of Contents General ................2 Shipping and Packing List ...........2 Wiring diagram ............3 Air Flow - Cooling Blower Speed .........4 Blower Performance Data ...........5 Electrical Connections ..........7 Requirements ..............9... -
Page 2: General
WARNING Maximum altitude of application is 3200m above sea level. IMPORTANT The Clean Air Act of 1990 bans the intentional venting of refrigerant (CFCs, HCFCs and HFCs) as of July 1, 1992. Approved methods of recovery, recycling or reclaiming must be followed. Fines and/or incarceration may be levied for noncompliance. -
Page 3: Wiring Diagram
Wiring diagram PART NO. 537981-03 WIRING DIAGRAM - ELECTRIC HEAT 20KW HTR 1 HTR 4 HTR 3 HTR 2 SEC L SEC L SEC L SEC L HTR 4 HTR 3 HTR 2 HTR 1 PRI LS PRI LS PRI LS PRI LS 12.5KW &... -
Page 4: Air Flow - Cooling Blower Speed
Air Flow - Cooling Blower Speed Thermostat Indoor Unit Outdoor Unit The cooling blower speed is factory configured to provide correct air flow for an outdoor unit that matches the cooling capacity rating of the air handler (Tap 3). If the outdoor unit is smaller than the maximum cooling capacity rating for the air handler, the cooling blower speed Auxiliary Heat Auxiliary Heat... -
Page 5: Blower Performance Data
Blower Performance Data 7AH1AE*24*01 External Static HCFM MHCFM MCFM MLCFM LCFM Pressure 1054 1015 1015 1020 7AH1AE*30*01 External Static HCFM MHCFM MCFM MLCFM LCFM Pressure 1341 1132 1132 1309 1099 1099 1289 1068 1068 1259 1041 1041 1239 1014 1014 1197 1168 1139... - Page 6 7AH1AE*42*01 External Static HCFM MHCFM MCFM MLCFM LCFM Pressure 1656 1560 1560 1446 1624 1526 1526 1413 1594 1500 1500 1362 1563 1469 1469 1357 1543 1437 1437 1325 1505 1413 1413 1292 1456 1345 1345 1257 1417 1335 1335 1221 7AH1AE*48*01 External...
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Page 7: Electrical Connections
WARNING WARNING Excessive Weight Hazard - Use two or more people Electric Shock Hazard. when moving and installing the unit. Failure to do so Can cause injury or death. can result in back or other type of injury. Foil-faced insulation conductive characteristics similar to metal. -
Page 8: Use Copper Conductors Only
• Typical unit wiring (as well as wiring of optional field- installed electric heat) is given in Figure 2. Refer to the instructions provided with the electric heat section for proper installation. WARNING USE COPPER CONDUCTORS ONLY Disconnect all power supplies. Remove the air handler access panel. -
Page 9: Requirements
Requirements WARNING Danger of explosion. Keep flammable materials and vapors, such as gasoline, IMPORTANT away from air handler. Place air handler so 7AH1AE units include a factory-installed check/ that heating elements are at least 18 inches expansion valve which will provide optimal refrigerant (46 cm) above the floor for a garage control and system performance with outdoor units of installation. -
Page 10: Unit Dimensions - Upflow - Inches (Mm)
Unit Dimensions – Upflow – Inches (mm) 1 (25) DETAIL OF PIPING PLATE 4-3/4 3/4 (19) (121) SUCTION LINE SUPPLY AIR LIQUID OPENING CONDENSATE LINE 14-1/2 DRAINS (2) (368) 2-3/8 (Horizontal) (60) 1 (25) 1 (25) CONDENSATE DRAINS (2) 4-3/8 (Upflow and (111) 2-3/4... -
Page 11: Checkout Procedures
Set the thermostat so that it does not call for heat. Checkout Procedures Allow up to 5 minutes for all sequencers to cycle off Operation NOTE: Refer to outdoor unit installation instructions for system start-up instructions and refrigerant charging Cooling (Cooling Only or Heat Pump) instructions. -
Page 12: Installation Clearances
Installation Clearances Non-Ducted Return Closet Installation The air handler can be installed in a closet with a false bottom to form a return air plenum. It may also be installed with a return air plenum under the air handler. HORIZONTAL DRAIN PAN (MUST BE REMOVED) Louvers or return air grilles are field-supplied. - Page 13 Drip IMPORTANT Shield After removal of drain pan plug(s), check drain hole(s) AIR FLOW to verify that drain opening is fully open and free of any debris. Also check to make sure that no debris has Drains fallen into the drain pan during installation that may plug up the drain opening.
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Page 14: Condensate Drain
DETAIL C TOP CAP TOP CAP ROTATED TO SCREWS CORRECT POSITION CABINET SUPPORT 3/16” PLASTIC PLUG (REAR COIL END SEAL) 90º BEND DRIP SHIELD SCREW (FRONT COIL END SEAL) DRAIN PAN SHIPPING DRIP DRAIN PAN LOCATION SHIELD REINSTALLED HERE INSTALL DRAIN PAN BETWEEN TAB AND EXTERIOR INNER WALL. -
Page 15: Install Condensate Drain
7AH1AE units are equipped with a drain pan, which THIS CORNER SHOULD BE 5/8" (+/- 1/8") HIGHER includes green (main drain) and red (secondary drain) THAN DRAIN CORNER plugs. Unscrew the plugs to remove them before inserting condensate drain fittings. UNSCREW PLUGS AND CONNECT PROPERLY SIZED... -
Page 16: Duct System And Filters
Plug and check any unused drain pan openings for Model Filter Size – in. tightness. Torque plugs to 36 in. lb. to prevent water -024, -030 15" x 20" x 1" leaks or seepage from the drain pan. -036, -042, -048, -060 18"... - Page 17 PLEASE READ IMPORTANT ISSUES CONCERNING BRAZING OPERATIONS IN THE BRAZING REFRIGERANT LINES SECTION BEFORE PROCEEDING. NOTE - Refer to outdoor unit installation instructions for refrigerant piping size requirements. NOTE - Use silver alloy brazing rods with five or six percent minimum silver alloy for copper-to-copper brazing;...
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Page 18: Brazing Refrigerant Lines
Brazing Refrigerant Lines CAUTION NOTE: For R454B refrigerant installations, do not braze Brazing alloys and flux contain materials which are the line set to the evaporator coil until the outdoor unit hazardous to your health. is installed. Refer to R454B Air Handler Conversion Kit Avoid breathing vapors or fumes from brazing (27J27) instructions for installation details. -
Page 19: Homeowner Maintenance
Repairing or Replacing Cabinet Insulation IMPORTANT Use duct tape and/ or Permagum to seal closed any space around the holes where the drain lines exit the IMPORTANT cabinet. Warm air must not be allowed to enter through DAMAGED INSULATION MUST BE REPAIRED OR any gaps or holes in the cabinet. -
Page 20: Decommissioning
VOIDS MANUFACTURER’S Start the recovery machine and operate in accordance EQUIPMENT LIMITED WARRANTY. ALLIED with instructions. DISCLAIMS ALL LIABILITY IN CONNECTION WITH Do not overfill cylinders (no more than 80% volume INSTALLER’S FAILURE TO FOLLOW THE ABOVE liquid charge). INSTALLATION INSTRUCTIONS. -
Page 21: Integrated Control
Installing Contractor’s Name_______________________ Installing Date_______________________________ Installing Contractor’s Phone_______________________ Air Handler Model #___________________________ Job Address____________________________________ Thermostat Line Voltage SUPPLY Disconnect Switch Temperature Integrated Control Duct Blower Motor Amps System Electric Heat Amps Duct Static RETURN Filter Drain Line DUCT SYSTEM TOTAL EXTERNAL STATIC (dry coil) dry coil wet coil SUPPLY AIR DUCT... - Page 22 Installing Contractor’s Name_______________________ Installing Date_______________________________ Installing Contractor’s Phone_______________________ Air Handler Model #___________________________ Job Address____________________________________ Line Voltage Disconnect Switch Thermostat Integrated Control Duct System Duct System Filter RETURN SUPPLY Electric Heat Amps Blower motor Amps Drain Line Duct Static Temperature DUCT SYSTEM TOTAL EXTERNAL STATIC (dry coil) dry coil wet coil...
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