Instruction/ maintenance manual of the product 920-0074 qwserv Bard
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Manual 2100-533A Page 1 of 1 2 OPERA TION INSTRUCTIONS Model: 920-0074 QWSER V ENERGY RECOVER Y VENTILA T O R WITH EXHAUST For Use With Bard 2 Through 5 T on QW*S Series Bard Manufacturing Company, Inc. Bryan, Ohio 43506 Since 1914...Moving ahead, just as planned.
Manual 2100-533A Page 2 of 1 2 CONTENTS Electrical S pecifications .............................. ............ 3 General Description of ERV ................................... 3 Control Requirements ............................................ 3 Recommended Control Sequences .
Manual 2100-533A Page 3 of 1 2 GENERAL DESCRIPTION The Energy Recovery Ventilator was designed to provide energy efficient, cost effective ventilation to meet I.
Manual 2100-533A Page 4 of 1 2 The ERV units are wired from the factory on medium intake and low exhaust speeds. The ERV is equipped with independently controlled 3-speed motor to provide the capability of adjusting the ventilation rates to the requirements of the specific application and to be able to provide positive pressure in the structure.
Manual 2100-533A Page 5 of 1 2 PERFORMANCE AND APPLICATION DATA TABLE 2 SUMMER COOLING PERFORMANCE (INDOOR DESIGN CONDITIONS 75° DB / 62° WB) LEGEND VLT = Ventilation Load – Total HRT = Heat Recov.
Manual 2100-533A Page 6 of 1 2 ENERGY RECOVERY VENTILATOR MAINTENANCE GENERAL INFORMATION The ability to clean exposed surfaces within air moving systems is an important design consideration for the maintenance of system performance and air quality.
Manual 2100-533A Page 7 of 1 2 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 2100-533A Page 8 of 1 2 FIGURE 2 BELT REPLACEMENT INSTRUCTIONS Belt Replacement Instructions MIS-2166 Route (1) replacement belt in bottom groove of pulley. Route (1) replacement belt in top groove of pulley. If belts "squeak" or "chirp" lubricate lightly with LPS-1 or equivalent "dry film" lubricant.
Manual 2100-533A Page 9 of 1 2 FIGURE 3 HUB ASSEMBLY WITH BALL BEARINGS.
Manual 2100-533A Page 10 of 1 2 2 1 3456789 1 0 1 1 1 2 2 1 3 208 120 V 480 240 COM 24 2 4 3 1 Contro l Relay Damper Motor 27 3 Motor 12 26 1 Cassett e Motor 25 Motor Pl ug Intake 28 28 28 26 CO2 Disc.
Manual 2100-533A Page 11 of 1 2 FIGURE 4 DISCONNECT & TAPE OFF WIRE DISCONNECT AND TAPE OFF FOR CO2 CONTROLLED VENTILATION MIS -2759.
Manual 2100-533A Page 12 of 1 2 FIGURE 5 FIELD SET CO 2 SENSOR JUMPERS "AN" SET TO VOL TAGE "SW2 " SET TO ON "O U T" SE T T O 20- 100% AN OFF ON ON OFF 0-100% 20-100% VOL.
An important point after buying a device Bard 920-0074 qwserv (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 920-0074 qwserv 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 920-0074 qwserv - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bard 920-0074 qwserv you will learn all the available features of the product, as well as information on its operation. The information that you get Bard 920-0074 qwserv will certainly help you make a decision on the purchase.
If you already are a holder of Bard 920-0074 qwserv, 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 920-0074 qwserv.
However, one of the most important roles played by the user manual is to help in solving problems with Bard 920-0074 qwserv. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bard 920-0074 qwserv 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
