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Related Manuals for Bard WFERV-A-X
Summary of Contents for Bard WFERV-A-X
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Page 1: Installation Instructions
INSTALLATION INSTRUCTIONS ENERGY RECOVERY VENTILATOR WITH EXHAUST MODELS: WFERV-A-X WFERV-A-4 Bard Manufacturing Company, Inc. Manual: 2100-495A Supersedes: 2100-495 Bryan, Ohio 43506 File: Volume III, Tab 19 Since 1914...Moving ahead, just as planned. Date: 04-02-08 Manual 2100-495A Page 1 of 21... -
Page 2: Table Of Contents
Figure 9 Operation of Unit with WFERV ..... 14 Figure 10 Thermostat Wiring ........ 18 Figure 11 Terminal Block Location Diagram ..19 Figure 12 Hub Assembly with Ball Bearings ..20 BARD MANUFACTURING COMPANY, INC. BRYAN, OHIO USA 43506 Manual 2100-495A Page... -
Page 3: Model Nomenclature Legend
It is designed as a single package, which can be easily factory or field installed for new installations or retrofit to Bard WF wall mounted units. The package consists of a UNPACKING unique rotary Energy Recovery Cassette that can be easily Upon receipt of the equipment, be sure to compare the removed for cleaning or maintenance. - Page 4 APPLICATION DATA — WFERV SUMMER COOLING PERFORMANCE (INDOOR DESIGN CONDITIONS 75°DB/63°WB) — — — WINTER HEATING PERFORMANCE (INDOOR DESIGN CONDITIONS 70° F DB) LEGEND: VLT = Ventilation Load – Total F ° VLS = Ventilation Load – Sensible = Ventilation Load – Latent HRT = Heat Recover –...
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Page 5: Basic Installation (Field Installation)
BASIC INSTALLATION (Field Installation) drainage of any water entering damper assembly. 1. Unpack the ventilator assembly, which includes the 7. Remove cassette and plug in exhaust blower. integral ventilator with attached electrical harness Replace cassette. (See Figure 6.) and miscellaneous hardware. 8. -
Page 6: Figure 1 Intake Hood Assembly
16. Disconnect the wires connected in Step 10 if other 18. Close front door. control options are to be used. 19. Apply Certification label, included with Installation 17. Replace the lower service access panel with the Instructions, next to unit Serial Plate. new panel provided. -
Page 7: Figure 2 Remove Vent Option Door
FIGURE 2 REMOVE VENT OPTION DOOR FRONT DOOR VENT OPTION EXHAUST DOOR COVER PLATES MIS-2350 FIGURE 2A ASSEMBLY OF EXHAUST BLOWER ENCLOSURE PART NUMBERS COLOR BEIGE 134-248-X 134-244-X 134-243-X GRAY 134-248-4 134-244-4 134-243-4 MIS-2461 Manual 2100-495A Page 7 of 21... -
Page 8: Figure 3 Filter & Exhaust Plate Location
FIGURE 3 FILTER AND EXHAUST PLATE LOCATION FRONT DOOR REAR EXHAUST FILL PLATE FRONT EXHAUST FILL PLATE FILTER SCREW MIS-2345 Manual 2100-495A Page 8 of 21... -
Page 9: Figure 4 Installation Of Exhaust Blower Assembly
FIGURE 4 INSTALLATION OF EXHAUST BLOWER ASSEMBLY FASTEN ASSEMBLY TO CONDENSER PARTITION WITH (4) SCREWS DO NOT REMOVE FRONT PLATE LOWER WFERV ASSEMBLY LOCATING HOLES RIGHT SIDE ATTATCH EXHAUST BLOWER ENCLOSER WITH SCREWS PROVIDED AS SHOWN. MIS-2353 Manual 2100-495A Page 9 of 21... -
Page 10: Figure 5 Installation Of Wferv
FIGURE 5 INSTALLATION OF WFERV Manual 2100-495A Page 10 of 21... -
Page 11: Figure 6 Wferv Assembly
FIGURE 6 WFERV ASSEMBLY Manual 2100-495A Page 11 of 21... -
Page 12: Figure 7 Wiring - 230 Volt
FIGURE 7 WIRING – 230 VOLT 230 VOLT WIRES INSERTED WITH BLOWER WIRES, CONNECT WIRES TO "L1" AND "L2" ON CONTROL BOARD AS SHOWN ON WIRING DIAGRAM GROUND WIRE CONNECT LOW VOLTAGE WIRES TO "C", "W1", AND "G" AS SHOWN ON WIRING DIAGRAM MIS-2356 Manual 2100-495A... -
Page 13: Figure 8 Installation Of Fresh Air Intake Hood Assembly
FIGURE 8 INSTALLATION OF FRESH AIR INTAKE HOOD ASSEMBLY Manual 2100-495A Page 13 of 21... -
Page 14: Figure 9 Operation Of Unit With Wferv
FIGURE 9 OPERATION OF UNIT WITH WFERV INSTALLED GAS MANIFOLD BURNER BOX SUPPLY INDUCER DRAFT BLOWER EXHAUST HOOD EXHAUST INDOOR (COMFORT AIR) BLOWER GAS VALVE INTAKE AIR HOOD FILTER INTAKE INTAKE BLOWER WFERV HOOD RETURN FRESH AIR WERV CASSETTE EXHAUST BLOWER MIS-2369 Manual 2100-495A Page... -
Page 15: Basic Installation (Field Installation)
When designing the control circuit for structure. Bard markets the CS2000 for this use. the ventilator, the following requirements must be met. 3. Use a DDC control system to control the WFERV... -
Page 16: Energy Recovery Ventilator Maintenance
Proper cleaning of the Bard energy recovery wheel will maintenance of system performance and air quality. The restore latent effectiveness to near original performance. - Page 17 QUARTERLY MAINTENANCE NOTE: Discoloration and staining of the wheel does not affect its performance. Only 1. Inspect mist eliminator/prefilter and clean if excessive buildup of foreign material needs necessary. This filter is located in the fresh air to be removed. intake hood on the front of the unit.
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Page 18: Figure 10 Thermostat Wiring
FIGURE 10 THERMOSTAT WIRING DIAGRAM Manual 2100-495A Page 18 of 21... -
Page 19: Figure 11 Terminal Block Location Diagram
FIGURE 11 TERMINAL BLOCK LOCATION Manual 2100-495A Page 19 of 21... -
Page 20: Figure 12 Hub Assembly With Ball Bearings
FIGURE 12 HUB ASSEMBLY WITH BALL BEARING Manual 2100-495A Page 20 of 21... - Page 21 Manual 2100-495A Page 21 of 21...