Bard EIFM-3B - Manuals - manualsarea.com

Page 2 - CONTENTS; GENERAL; Other patents pending.; BARD MANUFACTURING COMPANY

CONTENTS GENERAL General Information ................................................. 1Unpacking ................................................................ 1Description ............................................................... 1 INSTALLATION Basic Installation .............................

Page 3 - GENERAL INFORMATION; TABLE 1

Manual 2100-390Page 1 GENERAL GENERAL INFORMATION The economizer should only be installed by a trainedheating and air conditioning technician. Theseinstructions serve as a guide to the technician installingthe economizer package. They are not intended as a stepby step procedure with which the mechan...

Page 4 - Remove and save the existing exterior blower access; INSTALLATION; BASIC INSTALLATION; Unpack the economizer assembly which includes; WARNING; FIGURE 1

Manual 2100-390Page 2 2. Remove and save the existing exterior blower access and service access panels on the Bard wall mountunit. (See Figure 1.) INSTALLATION BASIC INSTALLATION 1. Unpack the economizer assembly which includes the integral economizer with attached electricalharness, mixed air therm...

Page 5 - FIGURE 2

Manual 2100-390Page 3 4. Remove and discard the condenser partition blank off plate. (See Figure 2.) 3. RIGHT HAND UNITS Remove and save existing unit return air filter and left side filter supportbracket. Remove and save top four (4) screws fromgrille. (See Figure 2.) LEFT HAND UNITS Remove and sav...

Page 6 - FIGURE 3

Manual 2100-390Page 4 5. FOR RIGHT HAND UNITS Install economizer by inserting the economizer into the unit to the farleft side clearing the right filter bracket. Once theeconomizer is fully inserted, slide the economizer tothe right until it is tight against the back of thecontrol panel. (See Figure...

Page 7 - FIGURE 4

Manual 2100-390Page 5 6. Mount mixed air thermistor to blower partition as shown with screws provided. Bracket with sensorinstalls on top of blower partition. Screws areinserted from the underside. Route wires as shownand secure with wire tie. Connect wires tothermistor. (See Figures 2 & 3.) 7. ...

Page 9 - TABLE 2

Manual 2100-390Page 7 9. Connect lead with fork terminal to corresponding points on terminal strip. Re.: C.Y.G. (See wiringdiagram.) 10. Wire nut leads with 5/8” stripped ends to Y1 and Y2 leads from thermostat. See wiring diagram inthis manual or on economizer. NOTE: Wires referenced in Note 1 on w...

Page 10 - FEATURES; pressurization of tight buildings.; ECONOMIZER SEQUENCE OF OPERATION; CONDITION A – COOL OUTDOORS; FIGURE 6

Manual 2100-390Page 8 ECONOMIZER – WA, WL & WH SERIES FEATURES • One piece construction – easy to install with nomechanical linkage adjustment required. • Exhaust air damper – built in with positive closedposition. Provides exhaust air capability to prevent pressurization of tight buildings. • A...

Page 11 - CONDITION B – WARM OUTDOORS; FIGURE 7

Manual 2100-390Page 9 CONDITION B – WARM OUTDOORS First stage cooling cycles and compressor and dampersremain in mechanical cooling mode. FIGURE 7 MECHANICAL COOLING OPERATION MIS-348

Page 12 - WALL THERMOSTATS; FOR HEAT PUMPS WITH ECONOMIZER

Manual 2100-390Page 10 FIGURE 8 ECONOMIZER OPERATION FOR SINGLE COMPRESSOR UNIT MIS-1351 WALL THERMOSTATS FOR HEAT PUMPS WITH ECONOMIZER Thermostat Part 8403-027 (White Rodgers IF92-71)Electronic Heat Pump Thermostat2 Stage Cool / 3 Stage Heat FOR AIR CONDITIONING WITH ECONOMIZER Thermostat Part No....