Related Manuals for Trane SSC-APG002-EN
Summary of Contents for Trane SSC-APG002-EN
- Page 1 Application Guide SSC-APG002-EN Low OD Ambient Operation Unit Mounting Minimum Clearances For Trane XR Style Split Condensing Units and Heat Pumps...
- Page 2 Purpose: The purpose of this bulletin is to provide cumulative application criteria as related to the Trane XR style cooling units and heat pumps. This bulletin discusses: Definitions and terms II. Off Season Cooling Operation III. Unit Mounting IV. Minimum Operating Clearances...
- Page 3 Three phase products: All 2.5 to 5 ton three phase split system cooling units and heat pumps are shipped from the factory with compressor crankcase heat. Three phase compressor do not require start capacitors or start relays. Definitions and information: CCHT - Compressor Crankcase Heater, sometimes called a compressor sump heater.
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Page 4: Section I - Off Season Cooling Operation
Section I - Off Season Cooling Operation: The Trane XR models may be operated in the cooling mode to 45 F as shipped from the factory when applied with an indoor TXV. Where required, these units, with appropriate accessories, may be... - Page 5 Typical wiring when using the evaporator defrost control (EDC): Cooling Split System and AY28X079 Evaporator Defrost Control Air handling unit Cooling unit Thermostat Y Low Green (G) White (W1) White (W2) White (W3) Blue (B) Heat Pump Split System and AY28X084 Evaporator Defrost Control Air handling unit EDR-1 Yellow...
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Page 6: Section Ii - Unit Mounting
Hole locations are identified on page 7 and 8 of this document as well as the unit installation guide. 3. Washers should be placed in between the fastener head and the basepan. 4. Trane recommends supporting the center of the unit with a cross member if unit is not mounted on plate. - Page 7 2” from the basepan perimeter support center of unit If supporting the base pan from the perimeter, the support must extend under the base pan at least 2”. Trane recommends supporting the middle of the base pan with a cross member.
- Page 8 2” from the basepan perimeter support center of unit If supporting the base pan from the perimeter, the support must extend under the base pan at least 2”. Trane recommends supporting the middle of the base pan with a cross member.
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Page 9: Section Iii - Minimum Operating Clearances
This section discusses installating the XR style condensing unit / heat pump where spacing is limited. When installing Trane outdoor units in a location where clearance to other units, walls, fences, etc. is limited, the concerns listed below must be addressed: 1. - Page 10 1. Installation of a single condensing unit / heat pump in a corner with free air space on top. A) For locations where the design ambient temperature is below 105F: 1) 1.0 feet clearance on 2 sides - If shrubbery is to be placed by the unit other side, then allow 1.0 Feet minimum clearance from the unit 2) Service access side requires 3 feet minimum clearance.
- Page 11 3. Units surrounded on all four sides: A. If installed unit(s) is / are surrounded by 2 walls and a solid fence, fence height on two sides shall be no higher than the height of the unit. In this application knockouts or louvers shall be provided on two sides minimum with free area to provide maximum 300 FPM velocity.
- Page 12 4. Installation of multiple units on a pad or rooftop where the top clearance is open. A) Refer to minimum clearance table in the lower corner of this page for clearances B) National Electric Code requires 3 feet minimum (4 feet if certain conditions are present) clear- ance between service access panel and adjacent unit.
- Page 13 4. Installation of multiple units on a pad or rooftop where the top clearance is open. A) Refer to minimum clearance table in the lower corner of this page for required clearances B) National Electric Code requires 3 feet minimum (4 feet if certain conditions are present) clearance between service access panel and adjacent unit.
- Page 14 Windshields: If low ambient operation to 0F is required, windshields are a must in order to block prevailing winds from impacting system performance at low outdoor temperatures. SHIELD DESIGN FOR SHIELD DESIGNED FOR HIGHLY DIRECTIONAL WINDS NON-DIRECTIONAL WINDS SERVICE REMOVEABLE PANEL ACCESS OR GATE AREA...
- Page 15 Table 110.26 as well as the figures beside the table describe the minimum clearance for proper service and access to electrical equipment. Trane 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.
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Page 16: Unit Dimensions
Unit Dimensions 2TTR3 and 2TWR3 Cabinet Cabinet Unit Model Unit Model Size Size 651 mm 724 mm 651 mm 832 mm 724 mm 651 mm 2TTR3018A1000AA 2TWR3018A1000AA 25 5/8" 28 1/2" 25 5/8" 32 3/4" 28 1/2" 25 5/8" 832 mm 724 mm 651 mm 832 mm... - Page 17 Unit dimensions 2TTR4 and 2TWR4 Cabinet Cabinet Unit Model Unit Model Size Size 832 mm 829 mm 756 mm 832 mm 829 mm 756 mm 2TTR4018A1000AA 2TWR4018A1000AA 32 3/4" 32 5/8" 29 3/4" 32 3/4" 32 5/8" 29 3/4" 832 mm 829 mm 756 mm 933 mm...
- Page 18 Unit dimensions 4TTR3, 4TTR4, 4TWR3, and 4TWR4 Base Base Model Number Model Number Size Size 4TTR3018A1 4TTR4018A1 832mm 829mm 756mm 832mm 829mm 756mm 4TTR3024A1 4TTR4024A1 32 3/4" 32 5/8" 29 3/4" 32 3/4" 32 5/8" 29 3/4" 4TTR3030A1 4TTR4030A1 933 mm 829mm 756mm 933 mm...
- Page 19 *Table produced August 2006. For the most current information, please refer to specific equipment Product Data. XR13 and XR14 Outdoor Unit Airflow Table 2TTR3 / 2TWR3 2TTR4 / 2TWR4 4TTR3 / 4TWR3 4TTR4 / 4TWR4 Unit Model Number Unit Model Number Unit Model Number Unit Model Number 2TTR3018A1...
- Page 20 Literature Order Number Trane File Number SSC-APG002-EN 08/06 6200 Troup Highway Supersedes XR-APG05-EN 09/04 Tyler, TX 75707 Stocking Location http://www.trane.com Since Trane has a policy of continuous product improvement, it reserves the right to change design and specifications without notice Pg. 20...
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