Related Manuals for Superior REX RAH Series
Summary of Contents for Superior REX RAH Series
- Page 1 FAN COIL UNITS FREE RETURN RAH Installation Manual SO TOUGH, WE GUARANTEE IT. R A H C R A H O R A H R www.superiorrex.com...
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Page 2: Table Of Contents
Model RAHR Plenum Return Unit Specific Dimensions ..............20 RAHC Exposed Cabinet Units ......................21 RAHR-M With Mixing Box....................... 22 RAH Telescoping / Filter And Solid bottom Access Panels ............. 22 RAH Series Coil Connection Sizes ....................23 Inspection & Start-Up Checklist ....................... 24 RAH-IOM www.superiorrex.com... -
Page 3: Safety Symbols
New Fan Coils – IOM SO TOUGH, WE GUARANT SAFETY SYMBOLS The following symbols are used in this document to alert the reader to areas of potential hazard: Check that the unit assembly and component weights can indicates an imminently hazardous situation which, if not avoided, be safely supported by rigging and lifting equipment. -
Page 4: Code Compliance
New Fan Coils – IOM SO TOUGH, WE GUARANTEE IT. CODE COMPLIANCE UNPACKING & INSPECTION This equipment has been manufactured and certified in accordance with All units are carefully inspected at the factory throughout the manufacturing UL 1995-Standard for Safety, Heating and Cooling Equipment (CAN/CSA process under a strict detailed quality assurance program, and where C22.2 NO 236- M90) and bears the Electrical Testing Laboratories (ETL) possible, all major components and subassemblies are carefully tested... -
Page 5: Handling & Installation
New Fan Coils – IOM SO TOUGH, WE GUARANT HANDLING & INSTALLATION DRAIN PAN While all equipment is designed for durability and fabricated for sturdy The optional sloped, insulated drain pan can be equipped with a secondary construction and may present a rugged appearance, great care must be drain connection. -
Page 6: Return Air Location
New Fan Coils – IOM SO TOUGH, WE GUARANTEE IT. All water coils must be protected from freezing after initial RETURN AIR LOCATION filling with water. Even if the system is drained, unit coils This unit is equipped with a field reversible rear or bottom ducted air may still hold enough water to cause damage when exposed return for plenum style units. -
Page 7: Plenum Box Removal
All ductwork and/or supply and return grilles should be installed in after changing the coil handing. accordance with the project plans and specifications. If not included on the unit or furnished from the factory, Superior Rex supply and return note grilles are available in a variety of types. -
Page 8: Electrical Connections
New Fan Coils – IOM SO TOUGH, WE GUARANTEE IT. The manufacturer assumes no responsibility for undesirable system TELESCOPING BOTTOM PANEL operation due to improper design, equipment or component selection, and/ The telescoping bottom panel allows for fully recessing the unit while or installation of ductwork, grilles, and other field supplied components. -
Page 9: Cooling/Heating System
New Fan Coils – IOM SO TOUGH, WE GUARANT During system filling, air venting from the unit is accomplished by the use COOLING/HEATING SYSTEM of the standard manual or optional automatic, air vent fitting installed on Prior to the water system start-up and balancing, the chilled/hot water the coil. -
Page 10: Ari Standard Ratings
New Fan Coils – IOM SO TOUGH, WE GUARANTEE IT. AHRI Standard Ratings Coil Cooling Capacity Water AHRI 440 Airflow CFM Power Input Model/Size Certified (Dry Flow) (Watts) Rows QT (BTUH) QS (BTUH) Flow Rate (GPM) WPD (ft-wg) 20549 15710 5.81 RAHO 06 24299... -
Page 11: Air System Balancing
New Fan Coils – IOM SO TOUGH, WE GUARANT AIR SYSTEM BALANCING CONTROLS OPERATION All ductwork must be complete and connected, and all grilles, filters, Before proper control operation can be verified all other systems must be in access doors and panels must be properly installed to establish actual proper operation. -
Page 12: Fan Assembly
New Fan Coils – IOM SO TOUGH, WE GUARANTEE IT. FAN ASSEMBLY Each fan assembly is easily removed from the unit at four ¼" weld studs in the fan deck. In most applications the fan assembly can be removed without disconnecting the ductwork for service access to motors and blowers at, or away from the unit. -
Page 13: Electric Resistance Heater Assembly
New Fan Coils – IOM SO TOUGH, WE GUARANT Unit Weight Data unit size COMPONENT 68 [31] 73 [33] 77 [35] 114 [52] 119 [54] 124 [56] 128 [58] 132 [60] RAHO BASE UNIT 87 [40] 95 [43] 101 [46] 141 [64] 150 [68] 157 [71]... -
Page 14: Electric Heat Selection Chart (Amps)
New Fan Coils – IOM SO TOUGH, WE GUARANTEE IT. b. If the selected MOP is smaller than the MCA, the selected MOP ELECTRICAL CALCULATIONS INFORMATION must be increased to the next larger available fuse size above the 1. Calculate FLA = [(Motor Amps)*(Motor Qty) + (Heater Amps)] MCA.4. -
Page 15: Valves & Piping
New Fan Coils – IOM SO TOUGH, WE GUARANT product type and size. If the replacement filters are not purchased from VALVES & PIPING the factory, the filters used should be the same type, size and MERV No formal maintenance is required on the valve package components rating as that furnished from or recommended by the factory. -
Page 16: Replacement Parts
Representative. factory. Contact the local Sales Representative before attempting any unit All equipment and components sold through Superior Rex are warranted modifications. Any modifications not authorized by the factory could under the same conditions as the standard manufacturer’s warranty with... -
Page 17: Model Raho Free Return Dimensions
New Fan Coils – IOM SO TOUGH, WE GUARANT Model RAHO Free Return NOTES: DRAIN PAN SINGLE SECONDARY 1. Standard control enclosure is mounted on unit side opposite cooling coil connections. MATERIAL CONNECTION (STD) CONNECTION (OPT) Unit casing includes (2) knock outs on each side. Provide sufficient clearance to access GALVANIZED (STD) 7/8’... -
Page 18: Model Raho Free Return Unit Specific Dimensions
New Fan Coils – IOM SO TOUGH, WE GUARANTEE IT. Model RAHO Free Return Unit NOTES: UNIT 1. All dimensions are in inches [mm] and are +/- 1/8" SIZE 2. Drain pan is field reversible 180 and externally insulated 23 1/8 6 7/8 3. -
Page 19: Model Rahr Plenum Return Dimensions
New Fan Coils – IOM SO TOUGH, WE GUARANT Model RAHR Plenum Free Return NOTES: DRAIN PAN SINGLE SECONDARY 1. Standard control enclosure is mounted on unit side opposite cooling coil connections. MATERIAL CONNECTION (STD) CONNECTION (OPT) Unit casing includes (2) knock outs on each side. Provide sufficient clearance to access GALVANIZED (STD) 7/8’... -
Page 20: Model Rahr Plenum Return Unit Specific Dimensions
New Fan Coils – IOM SO TOUGH, WE GUARANTEE IT. Model RAHR Plenum Free Return Unit NOTES: UNIT 1. All dimensions are in inches [mm] and are +/- 1/8" SIZE 2. Drain pan is field reversible 180 and externally insulated 23 1/8 3. -
Page 21: Rahc Exposed Cabinet Units
1. All dimensions are in inches [mm] and are +/- 1/8" [572] [1022] [737] [622] 2. See rahc submittal for additional rah series product dimensions not shown 27 1/2 45 1/4 31 1/2 3. Internal hinged electrical enclosure not shown... -
Page 22: Rahr-M With Mixing Box
New Fan Coils – IOM SO TOUGH, WE GUARANTEE IT. RAH Telescoping / Filter and Solid Bottom Access Panels UNIT RECOMMENDED A” SIZE CEILING CUT OUT 45 7/8 15 7/8 46 1/8 x 36 1/8 [1219] [1164] [408] [404] [1171x918] NOTES: 50 7/8 19 7/8... -
Page 23: Rah Series Coil Connection Sizes
New Fan Coils – IOM SO TOUGH, WE GUARANT RAH Series Coil Connection Sizes MODEL RAHO NUMBER CONN. NUMBER CONN. UNIT UNIT HIGH PERFORMANCE TYPE SIZE TYPE SIZE SIZE SIZE ROWS O.D. ROWS O.D. FREE RETURN FAN COIL UNIT 1 1/8... -
Page 24: Inspection & Start-Up Checklist
New Fan Coils – IOM SO TOUGH, WE GUARANTEE IT. RAH with ECM Motor Balancing Instructions Remote Balancing Fan Coil ECM Motor Balancing 1. Relocate the jumper into the REM position. See Figure 1 for Board Layout. 2. Determine the DC voltage for required airflow from the Fan Calibration Commissioning Curve supplied on the side of the equipment. - Page 25 New Fan Coils – IOM SO TOUGH, WE GUARANT RAH Fan Calibration with ECM Motor FIG 1 - FAN CALIBRATION CURVES NOTES: 1. MANUAL BALANCING: Do not set the manual CFM adjustment voltage lower than 5.1 VDC or higher than 9.9 VDC 2.
- Page 26 New Fan Coils – IOM SO TOUGH, WE GUARANTEE IT. INSPECTION, INSTALLATION & START-UP CHECKLIST RECEIVING AND INSPECTION DATE: Unit Received Undamaged Unit Received Complete as Ordered Unit Arrangement Correct Unit Structural Support Complete & Correct HANDLING &...
- Page 27 New Fan Coils – IOM SO TOUGH, WE GUARANT ELECTRICAL CONNECTIONS DATE: Refer to Unit Wing Diagram Connect Incoming Power Service or Services Electrical Service of Correct Voltage or Ampacity to Support Unit Operating Loads All Field Wiring Installed with Code Compliance ...
- Page 28 www.superiorrex.com...
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