background image

3

Section 2. Unit Design

2.1 Cabinet Penetration

Screws can be drilled 

into bottom of unit. 

(1/2” max. screw length)

(Typical all sides)

Screws, saw cuts, and 

other penetrations 

are allowed in the 

blower section for LV 

wiring or installation 

of Side Return Kit. 

(Typical both sides)

Screws are allowed up to 3- 3/4” 

from the top of the cabinet 

(heater compartment).

(Typical both sides)

Screws for flange kit

attachment are allowed

along the interior of 

the cabinet (see arrows)

(Typical all sides)

No penetrations 

allowed on right and 

left sides.

Screws allowed only in 

the first 3/4” of front 

bottom of unit (in cross 

member)

Important: 

Due to the unique design of this unit, 

which allows the electrical wiring to be routed within 
the insulation, do not screw, cut, or otherwise punc-
ture the unit cabinet in any location other than the 
ones illustrated.

Important: 

Under no conditions should metal strap-

ping be attached to the unit to be used as support 
mechanisms for carrying or suspension purposes.

2.2 Panel Removal

The unit contains four (4) access panels: Blower, 
Coil, Line Set, and Heater.

The Blower, Coil, Line Set, and Heater panels are 
removed using a Phillips head screwdriver.   

NOTE:  

The Blower, Coil and Heater panels must be 

removed prior to removing the Line Set panel.

NOTE:  

The Coil Panel should be removed before 

the other panels.

#3 Size Phillips

Summary of Contents for GAF2A0A18S11EE

Page 1: ...door systems Some of the benefits of installing approved matched indoor and outdoor split systems are maximum efficien cy optimum performance and the best overall system reliability Note All AHRI rati...

Page 2: ...l Cabinet Disassembly 6 Section 5 Place Unit at Location 9 Section 6 Unit Location Considerations 10 Section 7 Setting the Unit Vertical Installation 15 Section 8 Setting the Unit Horizontal Installat...

Page 3: ...of front bottom of unit in cross member Important Due to the unique design of this unit which allows the electrical wiring to be routed within the insulation do not screw cut or otherwise punc ture t...

Page 4: ...1 Use a screwdriver to remove the two screws on Heater Panel 2 Pull top of panel out away from cabinet 3 Pull panel upward and out of channel 4 Set aside IMPORTANT Removal of the Line Set Panel is re...

Page 5: ...3 2 Unit Accessories Accessory Number Description Fits Cabinet Size 1 BAYECAA05LG1 Electric Heater 5kW Lugs 24V Control 1 Ph A1 BAYECAA08LG1 Electric Heater 8kW Lugs 24V Control 1 Ph A1 BAYECAA10LG1 E...

Page 6: ...onnections are secure and the plug clips are engaged STEP 1 Remove all four front panels See Section 2 2 4 1 Disassemble cabinet for installation in tight areas or as needed Section 4 Optional Cabinet...

Page 7: ...nels and set aside Note Remove the cardboard from the bottom of the blower Cut the tie wrap and remove the foam block located at the motor Blower Support Channel STEP 4 Slide the Coil assembly out of...

Page 8: ...nd all cross members Use a manual driver to avoid stripping screw holes Note Cross Members are removed by rotating them toward the door opening and then lifting up and out of the unit Note When carryi...

Page 9: ...conditions should metal strap ping be attached to the unit to be used as support mechanisms for carrying or suspension purposes Approved carrying 1 Hold by the cross members within the cabinet or uni...

Page 10: ...ns and Weight Model Number H x D x W in Unit Net Weight lbs GAF2A0A18S11EE GAF2A0A18S11SE 39 x 22 x 17 5 107 GAF2A0A24S21EE GAF2A0A24S21SE 39 x 22 x 17 5 110 GAF2A0A30S21EE GAF2A0A30S21SE 39 x 22 x 17...

Page 11: ...unit to that orientation Note The air handlers are shipped from the factory suitable for three way application Note Entry for low voltage connections is allowed on either side of cabinet 6 2 Three Wa...

Page 12: ...Refrigerant Connections Horizontal Left Condensate Drains Low Voltage Connections inside unit Refrigerant Connections Horizontal Left Configuration Low Voltage Connections inside unit Horizontal Right...

Page 13: ...ut a return air duct Ducted Return Supply Duct Plenum Accessory with safety guard CAUTION HAZARDOUS VAPORS Do not install an air handler with a non ducted return in the same closet alcove or utility r...

Page 14: ...les are to be used so that proper clearance allowances can be made for installation and future maintenance Installation of the air handler must be made prior to or at the same time as the installation...

Page 15: ...es and duct work must be provided Isolate unit from the foundation using a suitable isolating material Typical Closet Installation 7 2 Upflow Installation TASB Installation 1 Assemble the TASB using t...

Page 16: ...he auxiliary drain pan from the unit and from the structure Connect the auxiliary drain pan to a separate drain line and terminate according to local codes Important Due to the unique design of this u...

Page 17: ...he air handler Reference ACCA Manual D Manual S and Manual RS along with the air handler Product Data and Service Facts for additional information Note Side return is not approved without Side Return...

Page 18: ...rs at the indoor coil A field supplied re ducing coupling may be required 2 All AHRI listed systems are tested with 25 feet of refrigeration tubing the rated tubing diam eters are located in the elect...

Page 19: ...gerant connec tion stubs until ready to make connections Important Heat Sensitive Bulb The TXV sensing bulb must be removed or a wet rag must be wrapped around the suction line between the Bulb and th...

Page 20: ...insulation before brazing the suc tion line 2 Wrap the TXV sensing bulb and line section between the bulb and braze with a wet rag 3 Braze the refrigerant line connections Important Care must be taken...

Page 21: ...Step 3 before installing the Line Set panel 4 Tighten screws on the Line Set panel Important Do not open the service valves until the refrigerant lines and indoor coil leak check and evacu ation are...

Page 22: ...the drain lines downward a minimum of 1 4 per foot support per local codes A 1 5 minimum distance from the coil panel to the inside of the condensate tubing is recommended for coil panel removal Do n...

Page 23: ...nding on climate and application needs Provide a means of drainage to prevent winter freeze up of condensate line Optional depend ing on climate and application needs STEP 6 Support the condensate pip...

Page 24: ...1 Remove Coil and Blower panels by removing the four fasteners on each panel and then pulling away from the cabinet to remove 5 STEP 2 For Low voltage entry drill a 5 diameter hole size in side of bl...

Page 25: ...en White Blue B B Blue Blue W G Y Y Yellow Yellow R Red O Orange Comfort Control Air Handler Air Conditioner Field wiring Red Blue Green W1 White Air Handler Hook up Diagram HP Red Yellow Green White...

Page 26: ...including ground wiring must comply with national state and local codes Field wiring diagrams for supplementary electric heaters are shipped with the heater LIVE ELECTRICAL COMPONENTS During installa...

Page 27: ...e Reducing bushings may be required for your application STEP 4 If an electric heater IS NOT being installed remove the pigtail harness from the documentation pack and connect it to the plug on the in...

Page 28: ...talled for units that are difficult to access Airflow should not exceed the maximum rated velocity of the filter being used A bottom return filter kit BAYBRFBX100 or a front return filter kit BAYFRKIT...

Page 29: ...29 Section 16 Unit Outline Drawing...

Page 30: ...ONE CANCEL ON OFF ON DONE CANCEL STEP 1 Make sure all panels are securely in place and that all wiring has been properly dressed and secured 17 2 System Start Up 17 1 System Charge Adjustments System...

Page 31: ...contactor 2 R G contacts close on comfort control sending 24VAC to the blower relay 3 Relay contacts 1 and 3 close 4 The blower will now run on the selected speed Speed is field selectable 5 Contacts...

Page 32: ...ighway Tyler TX 75707 www trane com The manufacturer has a policy of continuous product and product data improvement and it reserves the right to change design and specifications without notice Trane...

Reviews: