Greenheck PVE-20 Скачать руководство пользователя страница 26 | Manualshive

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26

Model PV

e

Heat Recovery Unit

Troubleshooting – Airflow

Test and Balance Report

The Test and Balance Report (TAB) is utilized to determine whether the appropriate amount of outdoor air
and exhaust air is being supplied and removed from a building, respectively. There are no set rules on what
information must be included in a TAB report. As such, if a TAB report indicates that the airflow on a unit is low,
prior to contacting the factory, please determine the following information:

Airflow problems can often be tied back to improper ductwork installation. Be sure to install ductwork in
accordance with SMACNA and AMCA guidelines.

Unit #1

Unit #2

Unit #3

Unit #4

Model Number

Serial Number

Nameplate Information

Voltage

Hertz

Phase

Outdoor Air Fan Amps

Exhaust Fan Amps

Outdoor Air Fan Horsepower

Exhaust Fan Horsepower

Design Airflow

Outdoor Air

Exhaust

Measured Airflow

Outdoor Air

Exhaust

Measured Data

Blower Rotation

Outdoor Air Fan RPM

Exhaust Fan RPM

Outdoor Air Fan Amp Draw

Exhaust Fan Amp Draw

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Содержание PVE-20

Страница 1: ...as the National Electrical Code NEC the National Fire Protection Agency NFPA where applicable Follow the Canadian Electric Code CEC in Canada 2 All moving parts must be free to rotate without striking...

Страница 2: ...rect quantity of each item have been received If any items are missing report shortages to your local representative to arrange for obtaining missing parts Sometimes it is not possible that all items...

Страница 3: ...t exchanger transfers energy from the exhaust air to the incoming outdoor air When used in the cooling mode heat energy is transferred from incoming outdoor air to the exhaust air Simply put this unit...

Страница 4: ...check should be made to ensure that the unit has been installed level by using the bottom of the cabinet as a reference not the top the cabinet roof is sloped to the rear Ensure that all ductwork has...

Страница 5: ...920 36 920 60 1530 PVe 45 60 1530 36 920 36 920 60 1530 PVe 55 72 1830 36 920 36 920 60 1530 All dimensions are shown in inches millimeters The weatherhoods include 2 inch aluminum mesh filters that a...

Страница 6: ...5 PVe 35 99 4 44 6 216 PVe 45 105 9 56 3 261 PVe 55 111 7 71 3 316 All dimensions are shown in inches Curb Cap Details for Factory Supplied Roof Curbs Ductwork Connections Examples of poor and good fa...

Страница 7: ...clearance for installation of water drain traps Rails should be designed to handle the weight of the PVe unit taking into consideration weight per square inch on bearing surfaces Rails should be posi...

Страница 8: ...outdoor air from being pulled into the cabinet and consequently causing overfilling of the drain pans or misting of PVe components To ensure the drain trap works properly the trap height must account...

Страница 9: ...Measure and record each supply leg voltage at all line disconnect switches Readings must fall within the allowable range on the rating plate Voltage Imbalance In a 3 phase system excessive voltage im...

Страница 10: ...er warms the outdoor air prior to being drawn through the PVe plate heat exchanger Electric heaters are available in 208 230 or 460 VAC Refer to heater nameplate for voltage rating Preheaters If an op...

Страница 11: ...frost control is only initiated during a real frost condition Field wiring of a light or other alarm between 6 C in the control center will notify personnel when unit is in frost control mode refer to...

Страница 12: ...ting or multispeed control of the blowers One VFD is provided for each blower supply air and exhaust The VFD s provided are either Yaskawa model V1000 or J1000 Refer to the tables in this section for...

Страница 13: ...otor FLA Motor FLA H1 04 Multfunction Input Sel 4 Terminal S4 3 3 H1 05 Multifunction Input Sel 5 Terminal S5 4 4 H1 06 Multifunction Input Sel 6 Terminal S6 5 NA H3 10 A2 Not Used F NA A1 01 Access L...

Страница 14: ...led wiring diagram located within the control panel This diagram illustrates typical factory wiring and also illustrates circuits that must be field wired Included with this drawing are 1 variable fre...

Страница 15: ...wer goes off Open the filter compartment and remove the obstructing material Replace the door and check to make sure that you do not have power at the alert signal leads The unit is now ready for oper...

Страница 16: ...remote panel is a series of junction boxes ganged together and includes a stainless steel faceplate The remote panel is available with a number of different alarm lights and switches to control the u...

Страница 17: ...abels Terminal Strip Labels EF A Exhaust Fan Amps OAF A Supply Fan Amps Sensors Mounted by Factory Factory mounted temperature pressure and current sensors are available in the locations indicated on...

Страница 18: ...ber ________________________________ Pre Start Up Checklist check as items are completed o Disconnect and lock out all power switches o Remove any foreign objects that are located in the energy recove...

Страница 19: ...o OA Dirty Filter Sensor Yes No N A Yes No EA Dirty Filter Sensor Yes No N A Yes No CO2 Sensor Yes No N A Yes No Service Outlet Yes No N A Yes No Vapor Tight Lights Yes No N A Yes No Remote Control Pa...

Страница 20: ...cessary belt wear noise vibration and power loss Motor and drive shafts must be parallel and pulleys in line see diagrams in this section Belt Drive Installation 1 Remove the protective coating from t...

Страница 21: ...rrective actions If observation cannot locate the source of vibration a qualified technician using vibration analysis equipment should be consulted If the problem is wheel unbalance in place balancing...

Страница 22: ...are various optional motorized dampers and sensors that may also be found in the unit The heart of the PVe unit is the Plate Heat Exchanger and this is the component that actually accomplishes heat e...

Страница 23: ...assists proper motor cooling Never wash down motor with high pressure spray Greasing of motors is only intended when fittings are provided Many fractional motors are permanently lubricated for life a...

Страница 24: ...requency of cleaning depends upon the cleanliness of the incoming air These filters should be cleaned prior to start up Clean filters by rinsing with a mild detergent in warm water Internal Filter Mai...

Страница 25: ...ture is decreased by the transfer of energy from the cooler drier exhaust air via the aluminum heat exchanger The preconditioned air is typically mixed with return air going back to the air handler fo...

Страница 26: ...low prior to contacting the factory please determine the following information Airflow problems can often be tied back to improper ductwork installation Be sure to install ductwork in accordance with...

Страница 27: ...ed Static pressures are higher or lower than design If higher ductwork should be improved If lower fan rpm should be lower Blower rotation is incorrect Check rotation and reverse if necessary Motor vo...

Страница 28: ...haft Bearings Replace defective bearing s Lubricate bearings Tighten collars and fasteners Wheel out of balance Replace or rebalance Loose wheel on shaft Tighten wheel setscrew Loose motor or blower s...

Страница 29: ..._______________________ _________________________________________________ _________________________________________________ Date___________________ Time______________ AM PM Notes _____________________...

Страница 30: ..._______________________ _________________________________________________ _________________________________________________ Date___________________ Time______________ AM PM Notes _____________________...

Страница 31: ..._______________________ _________________________________________________ _________________________________________________ Date___________________ Time______________ AM PM Notes _____________________...

Страница 32: ...nsible for any removal or installation costs As a result of our commitment to continuous improvement Greenheck reserves the right to change specifications without notice Phone 715 359 6171 Fax 715 355...

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