American Standard 2A6H8030A Application Manual Download Page 2

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The purpose of this bulletin is to provide cumulative application criteria as related to the American Standard
Allegiance / Heritage18

cooling units and heat pumps.

This bulletin discusses:
I.

Off Season Cooling Operation

II.

Unit Mounting

III. Minimum Operating Clearances
IV. Refrigerant Piping Limitations

ISSUED BY:
Product Training and Application Department
American Standard
Tyler, Texas

Pg. 2

Summary of Contents for 2A6H8030A

Page 1: ...EN American Standard Allegiance and Heritage 18 dual compressor cooling units and heat pumps Low Outdoor Operating Temperature Unit Mounting Minimum Clearances Refrigerant Piping Limitations American...

Page 2: ...heAmericanStandard Allegiance Heritage18coolingunitsandheatpumps Thisbulletindiscusses I OffSeasonCoolingOperation II UnitMounting III MinimumOperatingClearances IV RefrigerantPipingLimitations ISSUED...

Page 3: ...T D O S E I R O S S E C C A D E R I U Q E R l e d o M 5 4 0 F 0 4 0 3 0 F 0 0 F 8 1 e c n a i g e l l A d e p p i h S s A C D E t o N d e v o r p p A 8 1 e g a t i r e H d e p p i h S s A C D E t o N...

Page 4: ...R Y1 Y2 G W W2 B Red R Y YLow Green G White W1 White W2 White W3 Blue B Orange O R Y2 Y1 G W1 X2 B O EDR 1 EDC EDR Y1 Red R Ylow Green G White W1 White W2 White W3 Blue B EDC Heat Pump Split System an...

Page 5: ...umps please observe thefollowing 1 Anytimetheunitistobesupportedfromtheedge thesupportingmaterialshallextendminimumtwo inches under the perimeter of the unit s base 2 Themountingholelocationsaremolded...

Page 6: ...extend 2 from the basepan perimeter If supporting the base pan from the perimeter the support must extend under the base pan at least 2 American Standard recommends supporting the middle of the base p...

Page 7: ...cent building 2 Fences or barriers provided to reduce sound transmission or visually screen the equipment 3 Otheroutdoorunitsinamulti unitinstallation 4 Overhangs 5 Acombination of the above Theprimec...

Page 8: ...rand unrestricted top clearance A For locations where the design ambient temperature is below 105F 1 Corner unit shall have1 5 feet clearance from side wall and 1 0 feet clearance from back wall 2 1 f...

Page 9: ...ional Electric Code for more informationregardingminimumclearancesforworkingspaces Service Panel Service Panel 1 0 min 1 0 m i n 1 0 m i n 1 0 min 1234 1234 1234 1234 12 12 12 12 12 12 12 12 12 12345...

Page 10: ...shall have 2 0 feet clearance from one wall and 1 5 feet clearance from the other wall 2 2 0 feet clearance in between units 3 NEC requires 3 feet clearance for service This may be reduced to 2 5 feet...

Page 11: ...et Consult the National Electric Code for more informationregardingminimumclearancesforworkingspaces Service Panel 3 0 min 5 feet minimum unrestricted top clearance shall be provided 3 feet minimum cl...

Page 12: ...Access Units may be rotated as shown on the following page in order that service access sides face each other provided that 3 feet minimum clearance be maintained between the units In order to comply...

Page 13: ...ss Service Access Service Access Service Access Service Access Service Access Service Access Units may be rotated as shown on above in order that service access sides face each other provided that 3 f...

Page 14: ...feet Please consult the 2002 or current Edition of the National Electric Code Article 110 for the most up to date information D Fence construction 1 Height shall not exceed the top of the unit 2 Free...

Page 15: ...m 3FT 1 M 3 5FT 1 2 mm 4FT Note Where the conditions are as follows Condition 1 Exposed live parts on one side and no live or grounded parts on the other side of the working space or exposed live part...

Page 16: ...le Given Qty of 2 units in an area surrounded by a fence on two sides and solid walls on the other two sides Units are 2A7A8060A1000A Required Determine free air opening space required in fence Soluti...

Page 17: ...1 1 4 4 1 7 3 4 1 4 3 1 A 0 3 0 8 H 6 A 2 4 8 1 1 4 4 1 7 3 4 1 4 3 A 6 3 0 8 A 7 A 2 4 8 1 1 4 4 1 7 3 4 1 4 3 1 A 6 3 0 8 H 6 A 2 4 8 1 1 4 4 1 7 3 4 1 4 3 A 8 4 0 8 A 7 A 2 4 8 1 1 4 4 1 7 3 4 1 4...

Page 18: ...t refrigerant lines are properly sized and do notexceedthelengthsetforthintheunit sinstallationmanual 2 Linelengthlimits A Gas line 80 feet linear length of the linear length 25 feet may be installed...

Page 19: ...Pg 19 NOTES...

Page 20: ...persedes New Stocking Location Since American Standard has a policy of continuous product improvement it reserves the right to change design and specifications without notice American Standard Inc 620...