Lennox CBX40UHV Series страница 26 Скачать руководство пользователя | Manualshive

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Page 26

CBX40UHV

ECB40-9CB P VOLTAGE SHOWN

Primary Limit S15 and
Secondary Limit S20

Relay K32

Relay K33

Elements HE1 and HE2

Location of CB1

Figure 23. Electric Heat

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Содержание CBX40UHV Series

Страница 1: ...ement 3 Application 9 Unit Components 9 Field Wiring 13 Air Handler Control Button Display and Jumpers 17 Variable Speed ECM Blower Motor 20 Optional ECB40 Electric Heat 25 Optional Humidity Control 2...

Страница 2: ...0UH V 060 Nominal cooling capacity tons 2 2 5 3 3 5 4 5 Refrigerant HFC 410A HFC 410A HFC 410A HFC 410A HFC 410A HFC 410A Connections in Suction vapor line sweat 3 4 3 4 3 4 7 8 7 8 7 8 Liquid line sw...

Страница 3: ...9 189 218 248 285 313 349 393 COOL SPEED TAP 1 25 35 56 73 89 98 114 130 143 TAP 2 45 64 79 101 130 151 180 211 216 TAP 3 75 103 127 146 177 210 243 266 298 TAP 4 114 142 175 200 219 258 280 332 363 C...

Страница 4: ...3 375 405 444 COOL SPEED TAP 1 47 63 82 101 121 151 175 193 206 TAP 2 83 107 131 152 178 202 231 265 296 TAP 3 142 170 196 220 251 282 315 345 367 TAP 4 209 258 295 345 373 418 452 482 512 CBX40UHV 03...

Страница 5: ...6 600 643 COOL SPEED TAP 1 130 157 184 212 237 263 284 307 346 TAP 2 183 211 232 261 296 314 342 368 396 TAP 3 248 284 315 349 366 407 441 473 509 TAP 4 347 376 418 464 495 531 566 608 632 CBX40UHV 03...

Страница 6: ...6 743 777 COOL SPEED TAP 1 122 146 173 198 224 259 292 329 360 TAP 2 186 230 254 289 332 361 404 438 477 TAP 3 284 335 387 413 455 483 526 551 600 TAP 4 413 475 517 570 632 569 715 750 782 CBX40UHV 04...

Страница 7: ...HC Jumper Speed Positions Motor Watts Various External Static Pressures in wg 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 HEAT SPEED TAP 1 418 478 539 551 599 646 675 704 748 TAP 2 492 540 585 642 684 732 761 7...

Страница 8: ...62 504 550 572 TAP 3 327 374 407 455 504 526 563 608 638 TAP 4 355 404 442 496 539 560 602 643 684 COOL SPEED TAP 1 124 163 180 209 231 271 300 322 357 TAP 2 192 233 252 282 321 356 390 422 449 TAP 3...

Страница 9: ...static potential Neutralize electrostatic charge by touching hand and all tools on an unpainted unit surface before perform ing any service procedure UNIT COMPONENTS Control Box The CBX40UHV control b...

Страница 10: ...ol AHC The Air Handler Control manages electric heat indoor blower and accessory controls The Air Handler Control also provides system configuration and air flow adjustments plus diagnostic capabiliti...

Страница 11: ...LENUM CBX40UHV AIR HANDLER CONTROL PART NO 43W19 OPTIONAL DISCHARGE SENSOR DAT TEMP RESISTANCE F OHMS 30 34 566 40 26 106 50 19 904 60 15 313 70 11 884 80 9 298 90 7 332 100 5 826 DETAIL A NOTE EVENHE...

Страница 12: ...X40UHV AIR HANDLER CONTROL PART NO 50W28 or 65W70 DISCHARGE SENSOR DAT TEMP RESISTANCE F OHMS 30 34 566 40 26 106 50 19 904 60 15 313 70 11 884 80 9 298 90 7 332 100 5 826 DETAIL A NOTE EVENHEAT MODE...

Страница 13: ...CBX40UHV JUMP AND LINK GUIDE FOR FURTHER DETAILS Figure 6 Field Wiring Cooling Application Non Communicating CBX40UHV HEAT PUMP UNIT TWO STAGE X2658 OUTDOOR SENSOR IS REQUIRED FOR OUTDOOR TEMPERATURE...

Страница 14: ...UTTING LINKS TO PREVENT DAMAGE TO CONTROL SEE FIGURE 12 CBX40UHV JUMP AND LINK GUIDE FOR FURTHER DETAILS Figure 8 Cooling Application Humiditrol and Second Stage Outdoor Fan Relay Wiring Non Communica...

Страница 15: ...nal ground of the room thermostat with secondary transformer ground TR and chassis ground GND R The R terminal shall be capable of providing the power to the thermostat and all the associated loads O...

Страница 16: ...ers 18 Color coded temperature rating 95 F 35 C minimum solid core Class II Rated Wiring Table 5 Run Length Non Communicating CBX40UHV XXX 230 6 01 and 02 Wire Run Length AWG Insulation Core Types Les...

Страница 17: ...automatically use the default factory setting See figure 11 for jumper configurations A When cool or heat demand is initiated motor ramps up to 100 and runs at 100 until demand is satisfied B Once dem...

Страница 18: ...NY 1 A C UNIT HEAT PUMP UNIT R 0 HEAT PUMP R 0 HEAT PUMP 1 DO NOT CUT CUT LINK 2 STAGE COMPR 1 STG COMPRESSOR 2 STG COMPRESSOR Y1 Y2 1 DO NOT CUT CUT LINK 2 STAGE COMPR Y1 Y2 HUMIDIFICATION MODE SMART...

Страница 19: ...T MODE DEFAULT 85 110 115 130 HEATING MODE BLOWER SPEED ELECTRIC HT MODE 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 LOW SPEED MEDIUM LOW SPEED MEDIUM HIGH SPEED HIGH SPEED NORM NORM NORM BLOWER ADJUST SELECTION...

Страница 20: ...Components Internal Operation The motor is controlled via serial communication between the integrated control and the controller permanently attached to the motor shell The messages sent back and fort...

Страница 21: ...tay in idle mode if it is currently running it will stay running at the current operating point Check Power to Motor 1 Remove J48 5 pin power plug from P48 on the motor 2 With the power on at the air...

Страница 22: ...NTC thermistor see figure 18 for any cracks or breakage A If damaged replace control B If no damage is detected proceed to next step 3 Check the capacitors for any damage Inspect for A Bulging or swel...

Страница 23: ...is no damage proceed to next step 3 Check resistance between each of the three phase terminals in the motor harness as illustrated in figure 19 Resistance between any two contacts should be equal If...

Страница 24: ...N HARNESS CONTROL MODULE MOTOR 120v 0 230v 5 4 3 2 1 J48 Connector P48 5 PIN HARNESS Figure 21 J48 Test Emerson J49 4 Pin CONTROL MODULE MOTOR J49 Connector 24v Transformer P48 5 PIN HARNESS P49 4 PIN...

Страница 25: ...ll as the blower The blower is always first on and last off 3 Terminal Strip TB2 For the electric heat sections without circuit breakers or fuses line voltage connections are made to terminal strip TB...

Страница 26: ...Page 26 CBX40UHV ECB40 9CB P VOLTAGE SHOWN Primary Limit S15 and Secondary Limit S20 Relay K32 Relay K33 Elements HE1 and HE2 Location of CB1 Figure 23 Electric Heat...

Страница 27: ...7 40 37 40 8 kW 5 lbs ECB40 8 34W89 Terminal Block ECB40 8CB 34W92 50A Circuit breaker 1 208 6 0 20 500 4 0 41 4 45 41 4 45 220 6 7 22 900 4 0 43 4 45 43 4 45 230 7 3 25 100 4 0 45 4 45 45 4 45 240 8...

Страница 28: ...5 lbs ECB40 9CB 34W93 60A Circuit breaker 2 208 6 8 23 100 5 6 48 4 50 220 7 6 25 800 5 6 50 4 50 230 8 3 28 200 5 6 52 60 240 9 0 30 700 5 6 54 60 12 5 kW 10 lbs ECB40 12 5CB 34W94 1 30A 1 45A Circui...

Страница 29: ...042 CBX40UHV 048 AND CBX40UHV 060 SINGLE PHASE ELECTRIC HEAT CBX40UHV 042 CBX40UHV 048 and CBX40UHV 060 Model Number No of Stages Volts Input kW Input 1 Btuh Input 2 Blower Motor Full Load Amps 3 Min...

Страница 30: ...at least 167 F 4 Bold text indicates that the circuit breaker on CB circuit breaker models must be replaced with size noted See Table on Page 6 5 HACR type circuit breaker or fuse OPTIONAL HUMIDITY CO...

Страница 31: ...n cool mode and may be set in the range of 45 to 60 RH Dehumidification D terminal wires to variable speed blower reverse logic active on low signal 24VAC When the unit is in heating mode the dehumidi...

Страница 32: ...trols relative humidity RH between 45 and 60 User Control of Humidification 1 From the OPTIONS screen scroll to USER SETTINGS and press ENTER 2 Scroll to HUMIDITY SETTINGS press ENTER If both Humidify...

Страница 33: ...Operation 1 On On On Acceptable 24 VAC High 100 ComfortSense 7000 ther mostat energizes Y1 and de energizes D on a call for dehumidification Note No over cooling Dehumidification Call 2 On On On Deman...

Страница 34: ...t point Dehumidification call 2 On On On On Demand 0 VAC High 70 Dehumidification call ONLY 1 On On On On Demand 0 VAC High 70 ComfortSense 7000 thermostat will keep outdoor unit energized after cooli...

Страница 35: ...trol will automatically exit current active mode CONFIGURING UNIT SIZE CODES Single Character LED Display Action Solid RELEASE push button This mode allows the field to select a unit size code number...

Страница 36: ...st Compare outdoor sensor resistance to temperature re sistance charts in unit installation instructions Replace sensor pack if necessary At the beginning of any configuration the air handler control...

Страница 37: ...the electric heat section did not energize The air handler will operate on first stage electric heat until the issue is resolved Heat section stage 2 failed same as code 351 Pilot relay contacts did n...

Страница 38: ...low Only Model Size Kit Number CBX40UHV All Sizes 45K32 Down flow Application See the installation instructions provided with the downflow kit Table 15 Optional Downflow Conversion Kits Downflow Only...

Страница 39: ...rew in front coil end seal Drip shield should drain downward into horizontal drain pan inside coil 7 Rotate top cap 180 front to back and align with unused screw holes Holes must align with front and...

Страница 40: ...RAIN LINE ALWAYS RUN AN OVERFLOW DRAIN LINE IF NOT POSSIBLE TO ROUTE OVERFLOW DRAIN LINE INSTALL LOW VOLTAGE OVERFLOW SWITCH KIT WIRE KIT TO SHUT DOWN COMPRESSOR PER INSTRUCTIONS NO YES LENNOX X3169 C...

Страница 41: ...wer to unit All access panels and covers must be in place and secured The condensate assembly should be clean and dry for extended period shutdown OPERATING CHARACTERISTICS Blower Operation and Adjust...

Страница 42: ...talled in the cabinet A filter is installed at the factory Note that filter access door fits over access panel Air will leak if the access panel is placed over the filter door Filters should be inspec...

Страница 43: ...wer will run for an additional 10 seconds before de energizing No Yes NOTE If the call for lower heat section is removed AHC will automatically de energize higher heat sections Indoor blower will imme...

Страница 44: ...code letter or number for each different air handler model for three seconds Yes No IMPORTANT Field replacement AHC may need to be manually configured to validate air handler unit size code AIR HANDLE...

Страница 45: ...t relays ON to automatically detect number of electric heat sections Electric heat section may be wired to energize more than one element 2 AHC waits for maximum of ten seconds to detect electric heat...

Страница 46: ...than two Y1 and Y2 W1 and or W2 Heat Pump First and Second Stage First Electric Heat Sec tion H1 Heat Pump First and Second Stage First Electric Heat Section Second Electric Heat Section H2 if number...

Страница 47: ...l 15 F Total of 30 F Delay Timer Finished or last change was up stage Delay Timer Finished or last change was down stage Above Turn OFF One Electric Heat Section Adjust Target Discharge Air Temperatur...

Страница 48: ...cooling terminals on AHC Note The outdoor unit control directly controls the outdoor unit operation De energize indoor blower per ramping profile Heating Yes Yes No No No Yes Yes Yes Cooling Air Hand...

Страница 49: ...r per ramping profile No Yes AHC on board link must be cut between Y1 and Y2 to allow 2 stage cooling operation Air Handler Control AHC Indoor Blower Mode Speed and Profiles settings 1 Set Cooling Mod...

Страница 50: ...se button To clear error codes stored in memory continue to hold push button while the solid three horizontal bars are displayed Release button when solid is displayed Solid c starts blinking on singl...

Страница 51: ...then release button Turn room thermostat to OFF Solid bar starts blinking on single character LED display Push and hold button until the solid A symbol is displayed on the single character LED displa...

Страница 52: ...T1 supplies 24VAC to terminal strip TB2 which supplies 24VAC to the indoor thermostat and electric heat if used HEATING 3 W1 of the thermostat provides a W1 demand to the AHC The AHC outputs a 22VDC s...

Страница 53: ...0 4CB 5CB 208 230V Single Phase Sequence of Operation 1 W1 of the thermostat provides a W1 demand to the AHC The AHC outputs a 22VDC signal to the K32 relay K32 1 closes 2 Assuming the N C primary S15...

Страница 54: ...e Sequence of Operation 1 W1 of the thermostat provides a W1 demand to the AHC The AHC outputs a 22VDC signal to the K32 relay K32 1 closes 2 Assuming the N C primary S15 and secondary S20 limit switc...

Страница 55: ...and secondary S20 limit switches are closed electric heat element HE1 is energized SECOND STAGE HEAT remove jumper between W2 and R 3 When K32 1 closes the unit is ready for a second stage heat deman...

Страница 56: ...econdary S20 limit switches are closed electric heat element HE1 is energized Second Stage Heat remove jumper between W2 and R 3 When K32 1 closes the unit is ready for a second stage heat demand W2 o...

Страница 57: ...0 limit switches are closed electric heat element HE1 is energized 3 When K33 1 and K34 1 close assuming the N C primary S15 and secondary S20 limit switches are closed electric heat elements HE2 and...

Страница 58: ...switches are closed electric heat elements HE1 and HE3 are energized Second Stage Heat remove jumper between W2 and R 3 When K32 1 and K33 1 closes the unit is ready for a second stage heat demand W2...

Страница 59: ...ermostat provides a W2 demand to the AHC The AHC outputs a 22VDC signal to the K33 and K35 relays When K33 1 and K35 1 closes and assuming the N C primary S15 and secondary S20 limit switches are clos...

Страница 60: ...dary S20 limit switches are closed electric heat element HE1 is energized Second Stage remove jumper between W2 and R 3 When K32 1 closes the unit is ready for a second stage heat demand W2 of the the...

Страница 61: ...rmostat provides a W2 demand to the AHC The AHC outputs a 22VDC signal to the K33 and K35 relays When K33 1 and K35 1 closes and assuming the N C primary S15 and secondary S20 limit switches are close...

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