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Summary of Contents for RenewAire CA Series
- Page 1 CA SERIES ERV Installation, Operation and Maintenance Manual CA2XRT CA3XRT CA4XRT CA3XRT shown...
- Page 2 7. Use the unit only in the manner intended by the manufac- unit weight. turer. If you have questions, contact the manufacturer. RenewAire strongly recommends that you secure rooftop 8. This unit is intended for general ventilating only. Do not use units properly to the building structure. Strong winds, to exhaust hazardous or explosive materials and vapors.
- Page 3 The completed Locate the RenewAire unit label found on the outside of the unit. document is to be turned NOTE: This information is for purposes of identifying the unit-specific option data from the over to the owner after Option Code.
- Page 4 fi lter supplied with unit. 1000 1500 2000 2500 3000 3500 CA3XRT Airflow (CFM) 1000 2000 3000 4000 CA4XRT At AHRI 1060 standard conditions. See all AHRI certifi ed ratings at www.ahrinet.org. Specifi cations may be subject to change without notice. RENEWAIRE.COM 1.800.627.4499 1.800.627.4499...
- Page 5 RENEWAIRE.COM FOR THE MOST COMPLETE AND CURRENT INFORMATION VISIT 1.800.627.4499...
- Page 6 SPECIFICATIONS & DIMENSIONS RENEWAIRE.COM 1.800.627.4499 1.800.627.4499...
- Page 7 RENEWAIRE.COM FOR THE MOST COMPLETE AND CURRENT INFORMATION VISIT 1.800.627.4499...
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Page 8: Table Of Contents
TABLE OF CONTENTS CA-Series Rooftop 1.0 OVERVIEW 3.0 OPERATION 1.1 CA-SERIES OPERATION .......... 9 3.1 PRINCIPAL OF OPERATION ........15 1.2 APPLICATION GUILDLINES ........9 3.2 CHECKING THAT UNIT IS OPERATING .....15 1.2.1 Purpose of CA-Series Rooftop Cabinets .......9 3.2.1 Airflow ................15 1.2.2 General Layout ..............9 3.2.2 Use Static Taps in Doors to Measure Airflow Rates .... -
Page 9: Overview 9 3.0 Operation
CONFIGURATION CODE CA-Series Rooftop - - - - - - - - - - MODEL NUMBER DIGIT NUMBER Digits 1 - 5: Digit 24: Model Other Options "CA-2X" = Cabinet Applied 2 Cores "-" = None "CA-3X" = Cabinet Applied 3 Cores "W"... -
Page 10: Service Access
INSTALLATION CA-Series Rooftop FIGURE 1.3.0 CA-SERIES ROOFTOP CROSS SECTION 1.3 SERVICE ACCESS www.renewaire.com (800) 627- 4499 support@renewaire.com www.renewaire.com (800) 627- 4499 support@renewaire.com 1.3.1 Service Access Install the ERV where you can open the door for cleaning the core and filter. Although there is no electrical connection to the cabinet, there should be a nearby system disconnect switch, so service people can shut off the blowers connect to the system when changing filters. -
Page 11: Pull-Pull-Recomended
INSTALLATION CA-Series Rooftop 2.1.1 Pull-Pull—RECOMMENDED NOTE: This bypass This is the recommended blower orientations for virtually every application. In “Pull-Pull” air volume is applications, both pull from the cabinet. lower than in most With Pull-Pull blower orientation, there is generally no need to review the static pressure competing technologies, such as heat wheels, and differences between the two airstreams. -
Page 12: Placement Of The Ca-Series Rooftop
See Rigging Information for unit weight. RenewAire strongly recommends that you secure rooftop units properly to the building struc- ture. Strong winds, tornados, and hurricanes can and do displace or remove rooftop equip- ment from rails or curbs. -
Page 13: Mounting The Ca-Series Rooftop
Scale: 1" = 24" 2.6 MOUNTING THE CA-SERIES ROOFTOP Do not scale drawing 2.6.1 On Roof Curbs: RenewAire LLC CA-RT_CORNER_WEIGHTS_DEC12.dwg The base of the CA-Series Rooftop cabinets are designed for installation on our optional Roof Curb. See Curb portion on Dimension Drawings. -
Page 14: Inside Ductwork System
IF HOOD IS HERE HERE 35 1/4" SERVICE AREA FOR DOOR www.renewaire.com (800) 627- 4499 support@renewaire.com FIGURE 2.7.0 CA-SERIES ROOFTOP DUCTING INFORMATION 2.8 INSIDE DUCTWORK SYSTEM Follow Engineer’s Ductwork Design: Ductwork should be designed by an engineer to allow the unit to provide the required airflow. -
Page 15: Principal Of Operation
OPERATION CA-Series Rooftop FIGURE 2.8.1 CA-SERIES ROOFTOP DUCTING CONFIGURATION 2 www.renewaire.com (800) 627- 4499 support@renewaire.com FIGURE 2.8.2 CA-SERIES ROOFTOP DUCTING CONFIGURATION 3 3.0 OPERATION 3.1 PRINCIPAL OF OPERATION The CA-Series Rooftop cabinet has one basic purpose: to exhaust air from a structure and bring in fresh air from outside, while transferring heating or cooling energy from the exhaust air to the fresh air. -
Page 16: Energy Exchange
OPERATION CA-Series Rooftop 3.3 ENERGY EXCHANGE Precise determination of installed sensible energy exchange effectiveness requires careful measurement of temperatures and air flows in all four airstreams, and in practice is somewhat difficult. It is possible to confirm that energy is being exchanged simply by feeling the ducts. If the Fresh Air duct from the unit into the room is closer to room temperature than to the outside temperature, energy is being recovered. -
Page 17: Maintenance
2379 2562 2745 Fresh Air (FA) 1221 1526 1832 2137 2442 2747 3053 3358 3663 3969 4274 4579 www.renewaire.com (800) 627- 4499 support@renewaire.com Room Air (EA) 1130 1412 1695 1977 2260 2542 2825 3107 3390 3672 3955 4237 FIGURE 3.6.2 DIFFERENTIAL STATIC ACROSS CORE DSP VS. CFM 4.0 MAINTENANCE... -
Page 18: Filters
MAINTENANCE CA-Series Rooftop IMPORTANT Make sure all four lips of the core enter the receiver channels when re-inserting the core into the unit. CAUTION Filters must be used or the energy exchanger core will become blocked by dust and the unit will not do its job. -
Page 19: Factory Assistance
To contact RenewAire Customer Service: Call 800-627-4499 RenewAireSupport@RenewAire.com Email: Remember that RenewAire Customer Service can only assist with the products sold by RenewAire, it cannot resolve engineering issues that result from air handling system design by others. 1.800.627.4499... - Page 20 About RenewAire For over 30 years, RenewAire has been a pioneer in enhancing indoor air quality (IAQ) in commercial and residential buildings of every size.This is achieved while maximizing sustainability through our fifth-generation, static-plate, enthalpic-core Energy Recovery Ventilators (ERVs) that optimize energy efficiency, lower capital costs via load reduction and decrease operational expenses by minimizing equipment needs, resulting in significant energy savings.
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