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Installer's Guide
Convertible Air Handlers
1–1/2 — 5 Ton
A4AH4P
A4AH4P18A1B60C
A4AH4P24A1B60C
A4AH4P30A1B60C
A4AH4P36A1B30C
A4AH4P37A1C30C
A4AH4E42A1C30C
A4AH4E48A1C30C
A4AH4E60A1C30C
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning
equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
October 2021
The A4AH4 series air handler is designed for installation in a closet,
utility room, alcove, basement, crawlspace or attic. These versatile
units are applicable to air conditioning and heat pump
applications. Several models are available to meet the specific
requirements of the outdoor equipment. Field installed electric
resistance heaters are available.
S S A A F F E E T T Y Y W W A A R R N N I I N N G G
1 1 8 8 - - G G F F 1 1 1 1 D D 1 1 - - 1 1 D D - - E E N N
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Related Manuals for Trane A4AH4P Series
Summary of Contents for Trane A4AH4P Series
- Page 1 Installer’s Guide Convertible Air Handlers 1–1/2 — 5 Ton A4AH4P A4AH4P18A1B60C A4AH4P24A1B60C A4AH4P30A1B60C A4AH4P36A1B30C A4AH4P37A1C30C A4AH4E42A1C30C A4AH4E48A1C30C A4AH4E60A1C30C The A4AH4 series air handler is designed for installation in a closet, utility room, alcove, basement, crawlspace or attic. These versatile units are applicable to air conditioning and heat pump applications.
- Page 2 SAFETY SECTION AIR HANDLERS W W A A R R N N I I N N G G I I m m p p o o r r t t a a n n t t : : This document contains a wiring diagram, a parts list, and service information.
- Page 3 S S A A F F E E T T Y Y S S E E C C T T I I O O N N A A I I R R H H A A N N D D L L E E R R S S W W A A R R N N I I N N G G N N o o t t e e : : Air handlers have been evaluated in accordance with the Code of Federal Regulations, Chapter...
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Page 4: Table Of Contents
Table of Contents Features ........5 Fixed Orifice Superheat Charging Table . -
Page 5: Features
Features Table 1. Standard Features Table 2. Optional Accessories • MULTI-POSITION UPFLOW, DOWNFLOW, HORIZONTAL LEFT • 4,5,8,10,15, 20 and 25 KW SINGLE PHASE ELECTRIC AND HORIZONTAL RIGHT HEATERS • GALVANIZED STEEL EXTERIOR WITH FULLY INSULATED – Circuit breakers available on all single phase 4, 5, 8, 10, CABINET THAT MEETS R4.2 VALUE 15, 20 and 25 KW heaters •... -
Page 6: Installation Instructions
Installation Instructions 1. U U n n p p a a c c k k i i n n g g 4. C C o o n n d d e e n n s s a a t t e e D D r r a a i i n n Carefully unpack the unit and inspect the contents The unit is supplied with primary and auxiliary for damage. - Page 7 I I n n s s t t a a l l l l a a t t i i o o n n I I n n s s t t r r u u c c t t i i o o n n s s Vent drop across the evaporator coil to ensure sufficient -This vent pipe MUST...
- Page 8 I I n n s s t t a a l l l l a a t t i i o o n n I I n n s s t t r r u u c c t t i i o o n n s s completed.
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Page 9: Field Wiring
Field Wiring Figure 1. Field Wiring Diagrams AC SYSTEMS HEAT PUMP SYSTEMS Outdoor Outdoor Thermostat Air Handler Thermostat Air Handler Unit Unit 24 VAC HOT 24 VAC HOT 24 VAC 24 VAC Common Common Blue Blue COOLING COOL/HEAT 1st STAGE HEATING HEAT 2nd STAGE... -
Page 10: Electrical Data
Electrical Data Figure 2. A4AH4P18–37 Figure 3. A4AH4E42–60 18-GF11D1-1D-EN... -
Page 11: Performance And Electrical Data
Performance and Electrical Data See Product Data or Air Handler nameplate for approved combinations of Air Handlers and Heaters. Heater model numbers may have additional suffix digits. Table 3. Air Flow Performance A4AH4P18A1B60C, A4AH4P24A1B60C AIRFLOW EXTERNAL STATIC (in w.g) Speed Taps — 230 VOLTS Speed Taps —... - Page 12 P P e e r r f f o o r r m m a a n n c c e e a a n n d d E E l l e e c c t t r r i i c c a a l l D D a a t t a a Table 5.
- Page 13 P P e e r r f f o o r r m m a a n n c c e e a a n n d d E E l l e e c c t t r r i i c c a a l l D D a a t t a a Table 7.
- Page 14 P P e e r r f f o o r r m m a a n n c c e e a a n n d d E E l l e e c c t t r r i i c c a a l l D D a a t t a a Table 9.
- Page 15 P P e e r r f f o o r r m m a a n n c c e e a a n n d d E E l l e e c c t t r r i i c c a a l l D D a a t t a a Table 11.
- Page 16 P P e e r r f f o o r r m m a a n n c c e e a a n n d d E E l l e e c c t t r r i i c c a a l l D D a a t t a a Table 12.
- Page 17 P P e e r r f f o o r r m m a a n n c c e e a a n n d d E E l l e e c c t t r r i i c c a a l l D D a a t t a a Table 13.
- Page 18 P P e e r r f f o o r r m m a a n n c c e e a a n n d d E E l l e e c c t t r r i i c c a a l l D D a a t t a a Table 14.
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Page 19: Minimum Airflow Cfm
Minimum Airflow CFM A4AH4P18A1B60C, A4AH4P24A1B60C Minimum Heat Speed Tap Heater With Heat Pump Without Heat Pump BAYHTR1504BRK, BAYHTR1504LUG, BAYHTR1505BRK, BAYHTR1505LUG BAYHTR1508BRK, BAYHTR1508LUG, BAYHTR1510BRK, BAYHTR1510LUG, BAYHTR3510LUG A4AH4P30A1B60C, A4AH4P36A1B30C Minimum Heat Speed Tap Heater With Heat Pump Without Heat Pump BAYHTR1504BRK, BAYHTR1504LUG, BAYHTR1505BRK, BAYHTR1505LUG BAYHTR1508BRK, BAYHTR1508LUG, BAYHTR1510BRK BAYHTR1510LUG, BAYHTR3510LUG BAYHTR1517BRK... -
Page 20: Outline Drawing
Outline Drawing NOTE: THIS UNIT IS APPROVED FOR INSTALLATION CLEARANCES TO COMBUSTIBLE MATERIAL AS STATED ON THE UNIT RATING NAMEPLATE PRODUCT DIMENSIONS Flow Gas Line Air Handler Model Control Braze A4AH4P18, 24, 30 45.02 18.50 16.50 16.75 4.68 7.33 18.34 Orifice A4AH4P36 45.02... -
Page 21: Table
Fixed Orifice Superheat Charging Table Indoor Wet Bulb Temp (F) 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 10 11 12 14 15 17 18 20 21 23 24 26 27 29 30 9 10 12 13 15 16 18 19 21 22 24 25 27 28 30 31 10 11 13 14 16 17 18 19 21 22 24 25 27 28 27 31 10 11 13 14 16 17 18 19 21 22 24 25 27 28 30 31... -
Page 22: Coil Conversion Instructions
Coil Conversion Instructions Table 15. Downflow Important: Restrictions apply to Downflow applications. Figure 4. All models For 2.5 ton downflow applications, airflow must not exceed 1200 cfm due to condensate blowoff. For 3, 3.5 and 4 ton downflow applications, airflow must not exceed 1600 cfm due to condensate blowoff. - Page 23 C C o o i i l l C C o o n n v v e e r r s s i i o o n n I I n n s s t t r r u u c c t t i i o o n n s s Table 15.
- Page 24 C C o o i i l l C C o o n n v v e e r r s s i i o o n n I I n n s s t t r r u u c c t t i i o o n n s s Table 15.
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Page 25: Coil Conversion
C C o o i i l l C C o o n n v v e e r r s s i i o o n n I I n n s s t t r r u u c c t t i i o o n n s s Coil Conversion Table 16. - Page 26 C C o o i i l l C C o o n n v v e e r r s s i i o o n n I I n n s s t t r r u u c c t t i i o o n n s s Table 16.
- Page 27 C C o o i i l l C C o o n n v v e e r r s s i i o o n n I I n n s s t t r r u u c c t t i i o o n n s s Figure 15.
- Page 28 C C o o i i l l C C o o n n v v e e r r s s i i o o n n I I n n s s t t r r u u c c t t i i o o n n s s Figure 19.
- Page 29 C C o o i i l l C C o o n n v v e e r r s s i i o o n n I I n n s s t t r r u u c c t t i i o o n n s s Figure 23.
- Page 30 C C o o i i l l C C o o n n v v e e r r s s i i o o n n I I n n s s t t r r u u c c t t i i o o n n s s Figure 27.
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Page 31: Checkout Procedures
Checkout Procedures The final phase of the installation is the system Checkout Procedures. The following list represents the most common items covered in a Checkout Procedure. Confirm all requirements in this document have been met. ☐ All wiring connections are tight and properly secured. ☐... - Page 32 About Trane and American Standard Heating and Air Conditioning Trane and American Standard create comfortable, energy efficient indoor environments for residential applications. For more information, please visit www.trane.com or www.americanstandardair.com. The manufacturer has a policy of continuous data improvement and it reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.
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