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2500DD-Install-ENG 1/17/06 5:56 PM Page 6

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Содержание SHRV2500DD

Страница 1: ...llation the compatibility of the two pieces of equipment must be confirmed by measuring the airflow s of the Heat Recovery Ventilator HRV using the balancing procedure found in this manual It is always important to assess how the operation of any Heat Recovery Ventilator may interact with vented com bustion equipment NEVER install a Heat Recovery Ventilator in a situation where its normal operatio...

Страница 2: ...INTRODUCTION 4 HRV SIZING CHART 5 6 INTRODUCTION 7 INSTALLATION INSTRUCTIONS 9 INSTALLATION METHODS 12 13 PITOT TUBE AIR FLOW BALANCING 16 GENERAL OPERATING 19 GENERAL MAINTENANCE 21 WIRING DIAGRAM 22 PARTS LIST 23 24 TROUBLE SHOOTING GUIDE 25 2 ...

Страница 3: ...SPECIFICATIONS NOMENCLATURE MODÈLE SHRV2500DD 208 3 16 1 2 Model Voltage Phase CFM Required X 100 Total External Static in Inches ELECTRICAL BOX BEHIND THIS PANEL WARM SUPPLY COLD EXHAUST WARM EXHAUST COLD SUPPLY ...

Страница 4: ...old supply air to be dampened off thereby passing ambient indoor air from the building over the core for a 5 7 minute cycle until the core defrosts CONTROLS Power On Off is field supplied as a fused disconnect Control keypad on the unit gives several options including Hi420 20 minutes of run time on high speed Intermittent ventilation repeating cycle of 20 minutes of fan on followed by 40 minutes ...

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Страница 7: ...he summer months when the indoor air space is air conditioned the HRV will help in cooling the incoming fresh air with the stale air that is being exhausted Fresh air is distributed throughout the building by way of the existing duct system or a dedicated duct system SELECT THE CORRECT SIZE HRV Commercial and Institutional Requirements ASHRAE has produced the Ventilation Standard 62 1989 that is u...

Страница 8: ...s 12 Employees 6 Total 18 ASRAE Requirements 25 cfm 12 5 L s per person Ventilation Required 18 X 25 450 cfm 255 L s Bank Customers 25 Staff 9 Total 34 ASHRAE Requirements 20 cfm 10 L s per person Ventilation Required 34 X 20 680 cfm 320 L s Bingo Hall Customers 180 Staff 20 Total 200 ASHRAE Requirements 30 cfm 15 L s per person Ventilation Required 200 X30 6000 cfm 3000 L s Print Shop Square Foot...

Страница 9: ...e is allowed around the unit for easy accessibility into the access doors for service and maintenance DUCT SYSTEM The Duct System must be well designed to allow the HRV to operate at its maximum efficiency It is very important the Duct System must be adequately sized and includes no sharp radius bends or tees which will significantly increase the pressure drop in the Duct System and reduce air flo...

Страница 10: ...e weatherhoods must be caulked to prevent leakage into the building Roof vents must have adequate curb height for water protection and to be sealed to the ducting The design and size of the weatherhoods or louvers chosen by the installer must allow for adequate free area Water and snow penetration of the system is minimized when the airflow does not exceed 750 fpm 3 81 m s free area velocity WEATH...

Страница 11: ...rn air lines coming back to the HRV Please refer to figs 1 3 to view the various installation system options A balancing damper is required prior to the HRV to balance the stale air exhausted with the fresh air supply entering the building Return air extraction points should be located at the opposite side of the room to the fresh air inlet The inlets may be located in the ceiling or high on the w...

Страница 12: ...xhausted and provided with fresh air supply as required The main advantage of this type of installation is it provides the ability to balance the exhaust and supply air streams for each serviced room The HRV system can also be operated independently of the forced air heating cooling system Please refer to fig below 12 ...

Страница 13: ...resh air supply duct run Please see fig below Simplified Duct System This system is primarily used when it is impractical to install dedicated duct runs from the HRV to various room of the building In this installation the warm air exhaust from the building to the HRV and fresh air supply from the HRV to the building are connected to the existing force air duct system This installation has the exh...

Страница 14: ... designed to bring fresh air into the building structures may require a supply voltage interrupt when fire or smoke or flame sensors are triggered or central fire system is activated Supply air grilles may be ceiling or high wall mounted Avoid incoming fresh air grilles that could cause a direct draft on the occupants as the incoming air may be below room temperature A reheat duct heater can be in...

Страница 15: ...return air plenum to the HRV as it is drawn back to the air handler Fresh air supplied by the HRV is then introduced directly into the return air plenum but at a location closer to the air handler The air handler would have a constant running blower to effectively distribute the fresh air and remove the stale air Balancing dampers would be located in both the HRV supply and exhaust ducts between t...

Страница 16: ...erly Failure to balance the HRV may void warranty Excessive positive pressure may drive moist indoor air into external walls of the building where it may condense in cold weather and degrade structural components It may also cause key holes to freeze up Excessive negative pres sure may have several undesirable effects In some geographic locations soil gases such as methane and Radon gas may be dra...

Страница 17: ...of field balancing an HRV using a Pitot Tube advantageous in situations when air flow stations are not installed in the duct work This procedure should be performed with the HRV on High Speed The first step is to identify the supply duct to the building and the return duct from the building Choose the straightest section of duct between the HRV and any branches or take offs This will be for both t...

Страница 18: ...reading from the other duct The airflows should now be balanced Actual airflow can be determined from the gauge reading The value read on the gauge is called the velocity pressure The Pitot Tube comes with a chart that will give the airflow velocity based on the velocity pressure indicated by the gauge This velocity will be in either feet per minute or meters per second To determine the actual air...

Страница 19: ...ING The core assembly and filters are removed via the hinged access doors located on both sides of the HRV By unscrewing the hex head screws that secure the access doors these cabinet doors can be opened allowing the core assemblies and air filters to be removed from either or both sides of the HRV Always use care when handling the core assemblies At re assembly ensure that cores are oriented prop...

Страница 20: ...S IN DEFROST MODE HRV OPERATES HRV AT HI SPEED FOR 20 MIN THEN SWITCHES TO FAN OFF 40 MINUTES OF FAN OFF FOL LOWED BY 20 MINUTES OF FAN ON THIS CYCLE REPEATS FAN OFF UNLESS ACTIVATED BY A CONTROL i e EXTERNAL DEHU MIDISTAT OR CRANK TIMER HRV OPERATES ON HIGH SPEED CONTINOUSLY FAN OFF PERIPHERALS DO NOT RESPOND CONTROL POWERED COLD SUPPLY DAMPER CLOSED Note The default position of the main control ...

Страница 21: ...de of the core In many cases only a vacuuming of the core surface is required Always ensure that cores are installed correctly Refer to labels referring to Core This Way Up and Air Filters This Side Inspect filters and replace as necessary Wipe down drain pans and inside of the cabinet using a mild disinfectant Ensure condensate drain has free flow of moisture Inspect blowers and electrical discon...

Страница 22: ...22 WIRING DIAGRAM SHRV2500DD ...

Страница 23: ...SHRV2500 SERVICEABLE PARTS 23 CORE THIS WAY UP FILTERS THIS SIDE ...

Страница 24: ...ly Exhaust Fan Motor 208 3ph 2hp Supply Exhaust Fan Motor 230 3ph 2hp Supply Exhaust Fan Motor 460 3ph 2hp Supply Exhaust Fan Motor 575 3ph 2hp SPDT 24v 90 370 Control board 2500 multi tap 120vac Sec 3 pole 600 volt distribution block Overload protection relay LRD10 Overload Protection relay LRD08 Overload Protection relay LRD07 Overload Protection relay LRD06 Motor Contactor LC1D18G7 23 Core 16 x...

Страница 25: ...ove 3 deg C then defrost cycle will not activate If air temperature is below 3 C Disconnect leads at temperature sensor and splice leads going to control box together Power up unit HRV will cycle through one run cycle approx 25 minutes then a defrost cycle should initiate If it does replace sensor if it does not replace control SPDT damper motor control relay should respond as the Select switch on...

Страница 26: ... instructions Trent Metals Limited will provide a replacement HRV unit or component as prescribed in the foregoing section F O B Peterborough Ontario Canada This warranty does not include freight labor including diagnostic labor or sales tax that might be incurred by the purchaser if parts require replacement Replacement units and or components are warranted for the remainder of the original warra...

Страница 27: ...27 Summeraire Mfg 2040 Fisher Drive Peterborough Ontario Canada K9J 6X6 SHRV 2500DD INSTALL ENG 12 05 ...

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