Lennox ECB29 Series Page 9 Installation Instructions Manual Download | Manualshive

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Page 9

FIGURE 14. Typical Unit Diagram – Air Handlers with PSC, Non-Communicating Motors

(P Voltage — 208-230V, 1-phase, 60Hz)

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Summary of Contents for ECB29 Series

Page 1: ...ing Replace all parts and panels before operating Failure to do so can result in death or electrical shock Electric Heat Section The ECB29 series electric heat section provides field in stalled electr...

Page 2: ...ed Remove the extended width knockout to allow for installation of 20kW or 25kW heater see figure 1 4 Slide the electric heat section into the air handler Be careful that the heating elements do not r...

Page 3: ...ied Thereisapatchplateoverthecircuitbreakeropening Remove the circuit breaker patch plate from the air handler access panel See figure 4 3 Replace the air handler access door 4 Choose the appropriatel...

Page 4: ...B29 5CB ECB29 6CB ECB29 8CB ECB29 9CB ECB29 10CB ECB29 12 5CB ECB29 15CB ECB29 20CB ECB29 25CB ECB29 30CB ECB29 10CB 3 Ph ECB29 15CB 3 Ph ECB29 20CB 3 Ph ECB29 25CB 3 Ph SIDE OF UNIT DISCARD BREAK AT...

Page 5: ...ith 1 1 2 inch trade size 1 31 32 inch diameter conduit A conduit reducer washer has been provided if you are installing a smaller sized conduit For single point power supply refer to the nameplate on...

Page 6: ...ERMOSTAT IS USED CONNECT SECOND STAGE NALS R AND W2 FACTORY INSTALLED JUMPER L3 CONNECTION USED ON Y VOLTAGE 3 PHASE ELECTRIC HEATERS ONLY FIGURE 11 Typical Field Wiring Cooling Application with Elect...

Page 7: ...PHASE ELECTRIC HEATERS ONLY STATS Y2 USED ONLY WHEN TWO SPEED COMPRESSOR IS USED HP21 COMMON USED ONLY ON SOME THERMOSTATS USING SERVICE LIGHT OPTION S54 WITH SOME ELECTRONIC THERMOSTATS MAY REQUIRE...

Page 8: ...Page 8 Unit Field Wiring Diagrams FIGURE 13 Typical Unit Wiring Diagram Air Handlers with Constant Torque Motors P Voltage 208 230V 1 phase 60Hz...

Page 9: ...Page 9 FIGURE 14 Typical Unit Diagram Air Handlers with PSC Non Communicating Motors P Voltage 208 230V 1 phase 60Hz...

Page 10: ...Page 10 FIGURE 15 Typical Unit Diagram Air Handlers with Constant Torque Motors G Voltage 460V 3 Phase 60Hz...

Page 11: ...4 01 ECB29 8 P 537816 01 ECB29 10 P 537770 02 ECB29 5CB P 537764 01 ECB29 6CB P 537764 01 ECB29 8CB P 537816 01 ECB29 9CB P 537770 02 ECB29 10CB P 537770 02 ECB29 12 5CB P 537787 02 ECB29 15CB P 53778...

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