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Summary of Contents for American Standard allegiance 16
- Page 1 Application Guide ALG16-APG01-EN American Standard Allegiance and Heritage 16 Two stage cooling units and heat pumps Low Outdoor Operating Temperature Unit Mounting Minimum Clearances Refrigerant Piping Limitations American Standard Allegiance / Heritage 16...
- Page 2 The purpose of this bulletin is to provide cumulative application criteria as related to the American Standard Allegiance / Heritage16 cooling units and heat pumps. This bulletin discusses: I. Off Season Cooling Operation II. Unit Mounting III. Minimum Operating Clearances IV.
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Page 3: Section I - Off Season Cooling Operation
Section I - Off Season Cooling Operation The American Standard Allegiance / Heritage 16 may be operated in the cooling mode to 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. - Page 4 Typical wiring when using the evaporator defrost control (EDC) for operation Note: Remove factory installed jumper between R and BK at the fan control board. Connect R to O on the terminal strip These terminals on the AHU / Gas furnace must be jumpered together. Please refer to the equipment’s installation manual for complete control wiring.
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Page 5: Section Ii - Unit Mounting
BAYECMT001 is not suitable for seizmic restraint; please refer to local professionals who specialize in seizmic restraint. When mounting or securing American Standard 1 - 6 ton condensing units and heat pumps please observe the following: 1. Anytime the unit is to be supported from the edge, the supporting material shall extend a minimum of two inches under the perimeter of the unit’s base. - Page 6 Drill 4 places BASE 4 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 pan with a cross member. Pg. 6...
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Page 7: Section Iii - Minimum Operating Clearances
Section III - Minimum Operating Clearances This section discusses applying a condensing unit / heat pump in installations where there are space constraints. These concerns must be addressed: 1. System Operation - Adequate airflow must be provided to the condensing unit / heat pump in order to enable appropriate heat transfer. - Page 8 1. Installation of a single Allegiance / Heritage 16 condensing unit / heat pump in a corner with unrestricted top clearance. A) For locations where the design ambient temperature is below 105°F: 1) 1’ clearance on 2 sides - If shrubbery is to be placed by the unit’s other side, then allow 1’...
- Page 9 3. Single Allegiance / Heritage 16 condensing unit / heat pump in a fenced corner with unrestricted top clearance. A) For locations where the design ambient temperature is below 105°F: 1) 1’ clearance from both walls. 2) 1’ fence clearance - openings shall be provided to allow free air passage to unit (Free air passage shall be sized @ 300 FPM Velocity).
- Page 10 4. Installation of two or more Allegiance / Heritage 16 units where two adjacent walls form a fenced corner with unobstructed top clearance. A) For locations where the design ambient temperature is below 105°F: 1) Corner unit shall have1.5’ clearance from one wall and 1’ clearance from the other wall.
- Page 11 5. Installation of a single Allegiance / Heritage 16 style condensing unit / heat pump next to one wall with unrestricted top clearance. A) For locations where the design ambient temperature is below 105°F: 1) 6” clearance on 1 side. 2) 3’...
- Page 12 6A. Installation of multiple units on a pad or rooftop with unobstructed top clearance. A) Refer to drawing for minimum clearances. 1) Do not construct cover over units in this application. B) National Electric Code requires 3’ minimum (4’ if certain conditions are present) clearance between service access panel and adjacent unit.
- Page 13 6B. Installation of multiple units on a pad or rooftop with unobstructed top clearance. A) Refer to drawing for minimum clearances. 1) Do not construct cover over units in this application. B) National Electric Code requires 3’ minimum (4’ if certain conditions are present) clearance between service access panel and adjacent unit.
- Page 14 7. Fence construction. A) Height shall not exceed the top of the unit. B) Free air passages shall be sized at no greater than 300 FPM velocity. C) Free air passages shall be cut at the lower portion of the fence. D) Fence may also be undercut to allow free air passage provided grass, vegeta- tion, or debris will not obstruct the free air passage.
- Page 15 American Standard residential and light commercial condensing units ranging from 1 to 6 ton require access to the side service panel as indicated on the previous pages to gain access to the electrical controls.
- Page 16 f r i s t i s t i *Table produced Jan. 2003. For the most current information, please refer to specific equipment Product Data. Required Opening = CFM / 300 FPM (Maximum) Example: Given: Qty. of 2 units in an area surrounded by a fence on two sides and solid walls on the other two sides.
- Page 17 Allegiance / Heritage 16 unit dimensions " 4 " 8 " 4 " 4 " 8 " 4 " 8 " 4 " 4 " 8 " 4 " 4 " 8 " 4 " 4 " 8 " 4 "...
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Page 18: Section Iv - Refrigerant Piping
Section IV - Refrigerant Piping A) Purpose 1) Liquid line - The purpose of the liquid refrigerant line is to convey refrigerant, in the liquid state, from the outdoor unit to the indoor unit in the cooling mode and from the indoor unit to the outdoor unit in the heating mode. - Page 19 NOTES _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ Pg. 19...
- Page 20 American Standard, Inc. Supersedes 6200 Troup Highway Stocking Location Tyler, Texas 75711 Since American Standard has a policy of continuous product improvement, it reserves the right to change design and specifications without notice. © 2004 American Standard Inc. All rights reserved...
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