Allied BCE5C Series Installation Instructions Manual
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Allied BCE5C Series Installation Instructions Manual

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This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to
the potential for personal injury or death.
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.
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.
507787-01
INSTALLATION INSTRUCTIONS
BCE5C Series Air Handler
This manual must be left with the homeowner for future reference.
WARNING
Save these instructions for future reference

Table of Contents

Shipping and Packing List ...........................................3
General ........................................................................3
Requirements ..............................................................3
Installation Clearances ................................................4
Installation ...................................................................4
Condensate Drain........................................................7
Duct System and Filters ..............................................9
Brazing Refrigerant Lines ............................................9
Sealing the Unit .........................................................11
Electrical Connections ...............................................11
Air Flow - Cooling Blower Speed ..............................16
Checkout Procedures ................................................18
Operation ...................................................................18
Professional Maintenance .........................................20
Homeowner Maintenance..........................................20
As with any mechanical equipment, contact with sharp
sheet metal edges can result in personal injury. Take
care while handling this equipment and wear gloves
and protective clothing.
*P507787-01*
Issue 2007
CAUTION
Manufactured By
Allied Air Enterprises LLC
215 Metropolitan Drive
West Columbia, SC 29170
(P) 507787-01
Page 1 of 22

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  • Page 1: Table Of Contents

    INSTALLATION INSTRUCTIONS BCE5C Series Air Handler This manual must be left with the homeowner for future reference. This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to the potential for personal injury or death.

  • Page 2: Bce5C Unit Dimensions - Upflow - Inches (Mm)

    BCE5C 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)

  • Page 3: Shipping And Packing List

    General States, and any state laws, and local ordinances (including plumbing or waste water codes). The BCE5C series air handler with Omniguard coil is Local authorities having jurisdiction should be consulted designed for indoor installation only. As shipped, the unit before installation is made.

  • Page 4: Use Of Air Handler During Construction

    This will also keep warm and moist EQUIPMENT LIMITED WARRANTY. ALLIED unconditioned air out of the air handler cabinet where DISCLAIMS ALL LIABILITY IN CONNECTION WITH it will form condensate on the cooler control box and INSTALLER’S FAILURE TO FOLLOW THE ABOVE electrical controls.
  • Page 5 For ease in installation, it is best to make any necessary NOTE: When the unit is installed in horizontal applications, coil configuration changes before setting air handler in a secondary drain pan is recommended. Refer to local place. codes. NOTE: This unit may be installed in left-hand or right-hand Refrigerant Metering Device air discharge horizontal applications.
  • Page 6 Rotate drip shield 180° front-to-back. Left-Hand Air Discharge For horizontal left-hand air discharge, the following field Remove plastic plug from left hole on coil front end seal and reinstall plug in back hole. Reinstall drip modifications are required. shield screw in front coil end seal. Drip shield should drain downward into horizontal drain pan inside coil.

  • Page 7: Condensate Drain

    13. Set unit so that it is sloped 1/4ʺ toward the drain pan end of the unit. Connect return and supply air plenums IMPORTANT as required using sheet metal screws. A field-fabricated secondary drain pan, with a drain 14. If suspending the unit, it must be supported along the pipe to the outside of the building, is required in all entire length of the cabinet.
  • Page 8 Install properly sized, field-provided connection fittings NOTE: Do not operate air handler without a trap in and connect primary drain line to the main drain pan the main (primary) drain. The condensate drain is on connection. the negative pressure side of the blower; therefore, air being pulled through the condensate line will not allow NOTE: When installing drain line connection fittings positive drainage without a proper trap.

  • Page 9: Duct System And Filters

    Field-Fabricated Return Air Duct Flange for Duct System and Filters Horizontal Applications A return air duct system is recommended, but not factory- provided. If the unit is installed in a confined space or Duct System closet, run a full-size return connection to a location outside The air handler is provided with flanges for the connection the closet.
  • Page 10 WALLS, DUCT SYSTEM, FLOOR JOISTS, OR OTHER PIPING. REMOVE RUBBER PLUG FROM BOTH LIQUID AND SUCTION LINES NOTE - BCE5C SERIES UNITS USE NITROGEN OR DRY AIR AS A HOLDING CHARGE. IF THERE IS NO PRESSURE WHEN THE RUBBER PLUGS ARE REMOVED, CHECK THE PIPING COIL FOR LEAKS BEFORE INSTALLING.

  • Page 11: Sealing The Unit

    Sealing the Unit WARNING Seal the unit so that warm air is not allowed into the cabinet. Polyol ester (POE) oils used with HFC-410A refrigerant Warm air introduces moisture, which results in water blow- absorb moisture very quickly. It is very important that the off problems.
  • Page 12 • This unit is provided with holes for conduit. Use provided caps to seal holes not used. WARNING • Typical unit wiring (as well as wiring of optional field- Electric Shock Hazard. Can cause injury or installed electric heat) is given in Figure 16. Refer to death.
  • Page 13 208 / 240 VOLT TRANSFORMER PRIMARY SECONDARY 240 Volts 208 Volts Figure 14. Converting Unit from 240VAC to 208VAC Thermostat Indoor Unit Outdoor Unit Figure 12. Notch for Control Panel Relocation Auxiliary Heat Auxiliary Heat (Heat Pump) (Heat Pump) SIDE Indoor Blower Only Heat Pump Compressor / 1st Stage...
  • Page 14 4KW & 5KW Figure 16. Typical Wiring Diagram – BCE5C Air Handler with Electric Heat – PSC (018, 024, 030, 036, 042 models) Page 14 of 22 Issue 2007 507787-01...
  • Page 15 4KW & 5KW Figure 17. Typical Wiring Diagram – BCE5C Air Handler with Electric Heat – CT (048 and 060 models) 507787-01 Issue 2007 Page 15 of 22...

  • Page 16: Air Flow - Cooling Blower Speed

    Change Blower Speed Air Flow – Cooling Blower Speed Disconnect all power supplies. Remove the air handler access panel. The cooling blower speed is factory configured to provide Locate pin number 2 on the blower relay. Two black correct air flow for an outdoor unit that matches the cooling wires are connected to this terminal pin.
  • Page 17 Air Handler Model Blower Speed .10" WC .20" WC .30" WC .40" WC .50" WC -018 HIGH -024 1011 HIGH 1106 1045 -030 1078 1057 1024 HIGH 1311 1261 1214 1154 1086 1020 -036 1276 1240 1191 1148 1086 HIGH 1559 1521 1446...

  • Page 18: Checkout Procedures

    Check Electric Heat (If Used) Checkout Procedures 1. Set thermostat to call for auxiliary heat (approximately 5°F above ambient temperature). The indoor blower NOTE: Refer to outdoor unit installation instructions for and auxiliary heat should come on together. Allow a system start-up instructions and refrigerant charging minimum of 3 minutes for all sequencers to cycle on.

  • Page 19: Repairing Or Replacing Cabinet Insulation

    Heating (Heat Pump) Repairing or Replacing Cabinet Insulation When the thermostat calls for heating, 24 volts is applied to the blower time-delay relay coil. Then, normally open contacts close, causing the indoor blower motor to operate. The circuit between R and Y is completed, closing IMPORTANT the circuit to the contactor in the outdoor unit, starting the DAMAGED INSULATION MUST BE REPAIRED OR...

  • Page 20: Professional Maintenance

    Professional Maintenance Homeowner Maintenance NOTICE IMPORTANT Failure to follow instructions will cause damage to the Do not operate system without a filter. A filter is required unit. to protect the coil, blower, and internal parts from excessive dirt and dust. The filter is placed in the return This unit is equipped with an Omniguard aluminum duct by the installer.
  • Page 21 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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