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Section I - Off Season Cooling Operation

The American Standard Allegiance / Heritage 18 may be operated in the cooling mode to 45

o

F as shipped

from the factory. These units shall only be matched with variable speed air handling units or variable speed
furnace / coil combinations. The coils have factory supplied non - bleed TXV’s

Please refer to the accessory table below when determining if the unit will operate at the specified
conditions as well as required accessories.

E

R

U

T

A

R

E

P

M

E

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

d

e

v

o

r

p

p

A

Evaporator Defrost Control Kits (EDC)

Pg. 3

AY28X079 - Cooling only

AY28X084 - Heat pumps

Compressor Crankcase Heater Kit - BAYCCHT

Compressor Hard Start Kits - BAYKSKT

 Allegiance / Heritage 18’s are factory supplied with compressor start components.

Allegiance / Heritage 18’s are factory supplied with compressor crankcase heat

Windshields

Windshields may be required, please refer to page 14 of this document for information reagarding the

installation of wind barriers.

Содержание 2A6H8030A

Страница 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...

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

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 19: ...Pg 19 NOTES...

Страница 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...

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