Lennox ECB27 Series Installation Instructions Manual Download Page 10 | Manualshive

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Page 10

FIGURE 15

. Typical Unit Diagram – Air Handlers with Variable Speed, Communicating Motors

(P Voltage – 208-230V, 1-Phase, 60Hz)

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Summary of Contents for ECB27 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 ECB27 series electric heat section provides field in stalled electr...

Page 2: ...vided in the bag assembly Cabinet Modifications for 460 Volt 3 Ton Models Modifications are necessary when an ECB27 10F G 15F G voltage 460 volt electric heat section is installed in a 460 volt 3 ton...

Page 3: ...plate for the specific size of electric heat section that you are installing Discard the unused piece of patch plate see figures 5 and 6 6 Secure the patch plate on the air handler access door IN DOW...

Page 4: ...B ECB27 5CB ECB27 6CB ECB27 8CB ECB27 9CB ECB27 12 5CB ECB27 15CB ECB27 20CB ECB27 25CB ECB27 10CB 3 Ph ECB27 15CB 3 Ph ECB27 20CB 3 Ph ECB27 25CB 3 Ph SIDE OF UNIT DISCARD BREAK AT THIS POINT DISCARD...

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: ...using ECB27 heat section adjust the blower speed according to the size of electric heat and air handler unit The minimum blower setting for each air handler size with any heat sections in any applicat...

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 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 Variable Speed Communicating Motors P Voltage 208 230V 1 Phase 60Hz...

Page 11: ...Page 11 FIGURE 16 Typical Unit Diagram Air Handlers with Constant Torque Motors G Voltage 460V 3 phase 60Hz...

Page 12: ...ECB27 5 CB P 538002 01 ECB27 6 CB P 538002 01 ECB27 8 CB P 538003 01 ECB27 9CB P 538004 01 ECB27 12 5CB P 538005 01 ECB27 15CB P 538005 01 ECB27 20CB P 538006 01 ECB27 25CB P 538010 01 ECB27 8 Y 53800...

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