Instruction/ maintenance manual of the product QERV-A4B Bard
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OPERA TION INSTRUCTIONS Model: QER V -A4B QER V2-A4B ENERGY RECOVER Y VENTILA T OR WITH EXHAUST For Use W ith Bard 2 Through 5 T on QH Series Heat Pump s BARD MANUFACTURING COMPANY Bryan, Ohio 43506 Since 1914.
CONTENTS QERV Model Nomenclature ................................... 1 Electrical S pecifications .......................................... 1 General Description of QER V ................................ 1 Control Requirements .......................
Manual 2100-310D Page 1 MODEL NOMENCLATURE GENERAL DESCRIPTION The Energy Recovery Ventilator was designed to provide energy efficient, cost effective ventilation to meet I.
Manual 2100-310D Page 2 The units are wired from the factory on low speed. The speed can be changed by switching the toggle switch on the front of the QERV to the desired speed.
Manual 2100-310D Page 3 PERFORMANCE AND APPLICATION DATA TABLE 2 SUMMER COOLING PERFORMANCE (INDOOR DESIGN CONDITIONS 75° DB / 62° WB) LEGEND VTL = Ventilation Load – Total HRT = Heat Recovery –.
Manual 2100-310D Page 4 NOTE : Sensible performance only is shown for winter application. LEGEND WVL = Winter Ventilation Load WH = Winter Heat Recovery TABLE 3 WINTER HEATING PERFORMANCE (INDOOR DESIGN CONDITIONS 70° F DB) t n e i b m A . D . OE T A R N O I T A L I T N E V B D F s e e r g e D .
Manual 2100-310D Page 5 CLEANABILITY AND PERFORMANCE In order to maintain energy recovery ventilation systems, energy transfer surfaces must be accessible for washing to remove oils, grease, tars and dirt that can impede performance or generate odors.
Manual 2100-310D Page 6 FIGURE 1 BELT REPLACEMENT INSTRUCTIONS Belt Replacement Instructions MIS-1890 Route this part of replacement belt in bottom groove of pulley.
Manual 2100-310D Page 7 FIGURE 2 HUB ASSEMBLY WITH BALL BEARINGS.
An important point after buying a device Bard QERV-A4B (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bard QERV-A4B yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bard QERV-A4B - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bard QERV-A4B you will learn all the available features of the product, as well as information on its operation. The information that you get Bard QERV-A4B will certainly help you make a decision on the purchase.
If you already are a holder of Bard QERV-A4B, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bard QERV-A4B.
However, one of the most important roles played by the user manual is to help in solving problems with Bard QERV-A4B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bard QERV-A4B along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
