Bryant Preferred 549K 04-06 Service And Maintenance Instructions Download Page 79

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APPENDIX D — WIRING DIAGRAMS

WIRING DIAGRAMS

549K*04-06 UNITS

SIZE

VOLTAGE

CONTROL (OVERLAY)

PAGE

POWER

PAGE

04-06

Electro-Mechanical

W7220 Controller

208/230-1-60

48TC003160

48TC003157

208/230-3-60

48TC003156

460/575-3-60

48TC003161

48TC003158

04-06

RTU Open Controller

(Factory Option)

208/230-1-60

48TC003160 (48TC003214)

48TC003157

208/230-3-60

48TC003156

460/575-3-60

48TC003161 (48TC003214)

48TC003158

Summary of Contents for Preferred 549K 04-06

Page 1: ...20 Completing Heater Installation 21 SMOKE DETECTORS 21 System 21 Controller 21 Smoke Detector Sensor 22 Smoke Detector Locations 22 Completing Installation of Return Air Smoke Detector 23 FIOP Smoke...

Page 2: ...ON HAZARD Failure to follow this warning could result in personal injury or death Before performing service or maintenance operations on unit LOCKOUT TAGOUT the main power switch to unit Electrical sh...

Page 3: ...l need to be periodically replaced or cleaned Filters RETURN AIR FILTERS Return air filters are disposable fiberglass media type Access to the filters is through the small lift out panel located on th...

Page 4: ...he motor s maximum speed Fan speed should be set per job specification CFM cubic feet per minute and ESP external static pressure required and per Fan speed set up label includ ed on the unit s high v...

Page 5: ...els are located on the High Volt age cover in the Control Box 4 Connect a multimeter to the Vdc terminals on the UCB 5 Set the Range Switch to either A B or C per the Switch Range table 6 Using a stra...

Page 6: ...6 8 7 1 7 4 7 7 8 0 8 4 8 7 0 1 0 6 6 9 7 1 7 4 7 7 7 9 8 2 8 5 8 8 0 1 0 8 7 5 7 7 8 0 8 2 8 5 8 7 9 0 0 1 1 0 8 1 8 3 8 5 8 7 9 0 0 1 1 2 8 6 8 8 9 0 9 2 0 1 1 4 9 1 9 3 9 5 0 1 1 6 1 8 2 0 9 6 0 1...

Page 7: ...ny time a motor is replaced the fan rotor is replaced as well The rest of the assembly may be reused See Fig 10 1 Unplug motor harness from control box harness and cut wire tie at the fan deck 2 Unplu...

Page 8: ...e feature on the side of the stator and pull wire harness out through grommet 8 Install rotor on motor by lining up one of 9 holes on com posite rotor with one of 9 holes on motor flange This can be d...

Page 9: ...ved with a vacuum cleaner If a vacuum cleaner is not available a soft non metal lic bristle brush may be used In either case the tool should be applied in the direction of the fins Coil surfaces can b...

Page 10: ...tube sheets to hold the coils apart See Fig 17 Fig 16 Condenser Coil Clips Fig 17 Separating Coil Sections 9 Clean the outer coil surface to remove surface loaded fibers or dirt See Remove Surface Loa...

Page 11: ...tergent in a pressurized spray canister Wash both sides of coil and flush with clean water For best results back flush toward return air section to remove foreign material Flush condensate pan after c...

Page 12: ...hing TXV to distributor 7 Attach the equalizer tube to the suction line If the coil has a mechanical connection then use a wrench and an addi tional wrench on connections to prevent damage If the coil...

Page 13: ...rigerant until the conditions of the appropriate chart are met Note the charging charts are different from type normally used Charts are based on charging the units to the correct sub cooling for the...

Page 14: ...absorbs water readily POE oils can absorb 15 times as much water as other oils designed for HCFC and CFC refrigerants Avoid exposure of the oil to the atmosphere WARNING FIRE EXPLOSION HAZARD Failure...

Page 15: ...ion discharge pressures are not within specifications for the specific compressor The suction and discharge pressure levels should now move to their normal start up levels Filter Drier Replace wheneve...

Page 16: ...ace thermostat Faulty outdoor fan cooling or indoor fan heating motor or capacitor Replace faulty part Restriction in refrigerant system Locate restriction and remove Defective loader plug Determine c...

Page 17: ...requirements and disconnect switch size and location Route 125 v power supply conductors into the bottom of the utility box containing the duplex receptacle Fig 27 Weatherproof Cover Installation Uni...

Page 18: ...cts be opened to de energize all pow er to the unit Treat all units as electrically energized until the convenience outlet power is also checked and de energization is confirmed Observe National Elect...

Page 19: ...in the space Defrost The defrost control mode is a time temperature sequence There are two time components The continuous run period and the test defrost cycle period The temperature component is prov...

Page 20: ...le point boxes with power distribution and fuse blocks The single point box will be installed directly under the unit control box just to the left of the partition separating the indoor section with e...

Page 21: ...on of supply air and return air Return air smoke detectors are arranged for vertical return configurations only All compo nents necessary for operation are factory provided and mount ed The unit is fa...

Page 22: ...ure between the two tubes pulls the sampled air through the sensing chamber When a sufficient amount of smoke is detected in the sensing chamber the sensor signals an alarm state and the controller au...

Page 23: ...he sampling tube connection is on the bottom and the exhaust tube is on the top 5 Connect the flexible tube on the sampling inlet to the sam pling tube on the basepan 6 For units with an economizer th...

Page 24: ...ty sensor test provides an indication of the sensor s abil ity to compensate for gradual environmental changes A sensor that can no longer compensate for environmental changes is considered 100 dirty...

Page 25: ...tions warrant 1 Disconnect power from the duct detector then remove the sensor s cover See Fig 47 2 Using a vacuum cleaner clean compressed air or a soft bristle brush remove loose dirt and debris fro...

Page 26: ...store it to the normal state RESETTING ALARM AND TROUBLE CONDITION TRIPS Manual reset is required to restore smoke detector systems to Nor mal operation For installations using two sensors the duct sm...

Page 27: ...utomatic at 505 psig 3482 kPa LOW PRESSURE SWITCH The system is protected against a loss of charge and low evapo rator coil loading condition by a low pressure switch located on the suction line near...

Page 28: ...provides the UL required clearance be tween high and low voltage wiring Pass the control wires through the hole provided in the corner post then feed the wires thorough the raceway to the RTU Open Co...

Page 29: ...Economizers use direct drive damper actuators Fig 50 EconoMi er X Component Locations Fig 51 EconoMi er IV Component Locations Fig 52 EconoMi er2 Component Locations IMPORTANT Any economizer that meet...

Page 30: ...r2 is operated by a 4 to 20 mA signal from an existing field supplied control ler See Fig 53 for wiring information 4 3 5 2 8 6 7 1 10 11 9 12 PINK VIOLET BLACK BLUE YELLOW RUN RED WHITE ECONOMI ER2 P...

Page 31: ...r program is available to help with EconoMi er IV training and troubleshooting See Fig 55 and Table 11 for further details Fig 54 EconoMi er IV Functional View LEGEND Fig 55 Typical EconoMi er IV W721...

Page 32: ...mis tor located on the fan deck See Fig 57 This sensor is factory in stalled The operating range of temperature measurement is 0 F to 158 F 18 C to 70 C See Table 12 on page 33 for sensor tem perature...

Page 33: ...per moves to its minimum position The outdoor enthalpy changeover set point is set with the out door enthalpy set point potentiometer on the EconoMi er IV controller The set points are A B C and D See...

Page 34: ...RN DUCT STATIC PRESSURE in wg RELIEF FLOW CFM 3 5 Ton Vertical Economizers Vertical Economizers 0 1000 2000 3000 4000 5000 6000 RETURN AIR FLOW CFM 3 5 Ton HORIZONTAL ECONOMIZER BAROMETRIC RELIEF FLOW...

Page 35: ...ventilation position should be turned fully clockwise Adjust the minimum position potentiometer to allow the mini mum amount of outdoor air as required by local codes to enter the building Make minimu...

Page 36: ...utput of 6 7 volts provides the maximum venti lation rate of 20 or base plus 15 cfm per person Use Fig 63 to determine the maximum setting of the CO2 sensor For ex ample an 1100 ppm set point relates...

Page 37: ...mal after completing troubleshooting DCV MINIMUM AND MAXIMUM POSITION To check the DCV minimum and maximum position 1 Make sure EconoMi er IV preparation procedure has been performed 2 Connect a 9 v b...

Page 38: ...e system The W7220 economizer module pro vides the basic inputs and outputs to provide simple economiz er control When used with the optional sensors the economiz er module provides more advanced econ...

Page 39: ...emperature 40 to 150 F 40 to 65 C Exception of display operation down to 4 F 20 C with full recovery at 4 F 20 C from exposure to 40 F 40 C Storage Temperature 40 to 150 F 40 to 65 C Shipping Temperat...

Page 40: ...ges Menu structure and selection User Interface The user interface consists of a 2 line LCD display and a 4 but ton keypad on the front of the economizer controller Keypad Use the four navigation butt...

Page 41: ...Up Exit button to return to the previous menu Menu Structure Table 17 illustrates the complete hierarchy of menus and pa rameters for the EconoMi er X system The Menus in display order are STATUS SET...

Page 42: ...re Displays _ _ _F if sensor sends invalid value if not connected short or out of range OA TEMP _ _ _ F 40 to 140 F OUTSIDE AIR TEMP Displays measured value of outdoor air temperature Displays _ _ _F...

Page 43: ...T LOW SPEED Only displays if unit is set for 2 or 3 speed and CO2 is not used If using 2 speed with 1 heat and 1 cool then set for HEATING ventilation If using 3 speed with 1 heat and 2 cool then set...

Page 44: ...f using 2 speed fan mode you must program CONV mode for W Shutdown is not available in 2 speed fan mode See Menu Note 4 In HP O B mode HP O energize heat pump on Cool default HP B energize heat pump o...

Page 45: ...adjust for an out of calibration temperature sensor 2SP FAN DELAY 5 Minutes 0 to 20 minutes in 1 minute increments TIME DELAY ON SECOND STAGE ECONOMIZING When in economizing mode this is the delay for...

Page 46: ...A OUTSIDE AIR TEMPERATURE SENSOR ERROR Outdoor air temperature sensor has failed or become disconnected check wiring then replace if the alarm continues ACT ERROR N A N A ACTUATOR ERROR Actuator has f...

Page 47: ...nd ary the conditions are not good to economize and the mode is set to NO Figure 70 shows the 5 current boundaries There is also a high limit boundary for differential enthalpy The high limit bound ar...

Page 48: ...3 DLY in Advanced setup COOL Y2 OUT will be turned ON after the delay time specified N A Not applicable STATE FAN SPEED OCC Low Y1 Low Y2 High W High INPUTS OUTPUTS DEMAND CONTROLLED VENTILATION DCV O...

Page 49: ...operational The ex ception is the SAT sensor which will alarm immediately If one or more alarms are present and there has been no keypad ac tivity for at least 5 minutes the Alarms menu displays and...

Page 50: ...ee APPENDIX B PHYSICAL DATA on page 53 Do not operate unit without return air filters Outdoor Air Inlet Screens Outdoor air inlet screen must be in place before operating unit Compressor Mounting Comp...

Page 51: ...etting thermostat at a position below room temperature temporarily shuts unit off until space temperature falls below thermostat setting Ventilation Continuous Fan Set fan and system selector switches...

Page 52: ...E coat Al Cu Al Cu D E coat Al Cu E coat Al Cu E Cu Cu Al Cu F Cu Cu Cu Cu M Al Cu Al Cu Louvered Hail Guard N Precoat Al Cu Al Cu Louvered Hail Guard P E coat Al Cu Al Cu Louvered Hail Guard Q E coa...

Page 53: ...ct 1 Direct 1 Direct Max Cont BHP 0 71 1 06 1 44 RPM Range 219 2190 217 2170 239 2390 Fan Qty Type 1 Vane Axial 1 Vane Axial 1 Vane Axial Fan Diameter in 16 6 16 6 16 6 High Static 1 Phase Motor Qty D...

Page 54: ...nce tables offer motor drive recommendations In cases when two motor drive combinations would work the lower horsepower option is recommended 6 The EPACT Energy Policy Act of 1992 regulates energy req...

Page 55: ...91 0 95 1050 2079 0 63 2205 0 75 2322 0 87 2430 1 00 1125 2114 0 66 2242 0 78 2359 0 91 2468 1 05 1200 2147 0 69 2277 0 82 2395 0 96 1275 2180 0 72 2310 0 86 2430 1 00 1350 2211 0 75 2343 0 90 2464 1...

Page 56: ...atic 1060 2190 RPM 549K 04N SINGLE PHASE HIGH STATIC 3 TON VERTICAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM Vdc RPM Vdc RPM Vdc RPM Vdc RPM Vdc 900 1060 4 3...

Page 57: ...91 0 95 1050 2079 0 63 2205 0 75 2322 0 87 2430 1 00 1125 2114 0 66 2242 0 78 2359 0 91 2468 1 05 1200 2147 0 69 2277 0 82 2395 0 96 1275 2180 0 72 2310 0 86 2430 1 00 1350 2211 0 75 2343 0 90 2464 1...

Page 58: ...atic 1060 2190 RPM 549K 04N THREE PHASE HIGH STATIC 3 TON VERTICAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM Vdc RPM Vdc RPM Vdc RPM Vdc RPM Vdc 900 1060 4 3...

Page 59: ...1 12 2298 1 29 2400 1 47 1600 1990 0 84 2107 0 99 2219 1 16 2325 1 33 2427 1 52 1700 2024 0 88 2140 1 04 2250 1 20 2354 1 38 2455 1 56 1800 2060 0 92 2174 1 08 2282 1 25 2385 1 43 1900 2097 0 97 2209...

Page 60: ...2170 RPM 549K 05N SINGLE PHASE HIGH STATIC 4 TON VERTICAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM Vdc RPM Vdc RPM Vdc RPM Vdc RPM Vdc 1200 1047 4 3 1251 5 1...

Page 61: ...2400 1 47 1600 1990 0 84 2107 0 99 2219 1 16 2325 1 33 2427 1 52 1700 2024 0 88 2140 1 04 2250 1 20 2354 1 38 2455 1 56 1800 2060 0 92 2174 1 08 2282 1 25 2385 1 43 2484 1 61 1900 2098 0 97 2209 1 13...

Page 62: ...05N THREE PHASE HIGH STATIC 4 TON VERTICAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM Vdc RPM Vdc RPM Vdc RPM Vdc RPM Vdc 1200 1047 3 9 1251 4 7 1431 5 4 1590...

Page 63: ...148 1 04 2256 1 21 2359 1 38 2458 1 56 2553 1 75 2125 2200 1 11 2305 1 28 2407 1 46 2504 1 64 2597 1 83 2250 2254 1 20 2357 1 37 2456 1 55 2551 1 73 2643 1 93 2375 2310 1 28 2410 1 46 2507 1 64 2600 1...

Page 64: ...9 Medium Static 1228 2390 RPM 549K 06N SINGLE PHASE HIGH STATIC 5 TON VERTICAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM Vdc RPM Vdc RPM Vdc RPM Vdc RPM Vdc...

Page 65: ...256 1 21 2359 1 38 2458 1 56 2553 1 75 2125 2200 1 11 2305 1 28 2407 1 46 2504 1 64 2597 1 83 2250 2254 1 20 2357 1 37 2456 1 55 2551 1 73 2643 1 93 2375 2310 1 28 2410 1 46 2507 1 64 2600 1 83 2690 2...

Page 66: ...m Static 1227 2390 RPM 549K 06N THREE PHASE HIGH STATIC 5 TON VERTICAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM Vdc RPM Vdc RPM Vdc RPM Vdc RPM Vdc 1500 1227...

Page 67: ...89 0 73 2309 0 86 2421 0 99 1125 2088 0 63 2219 0 76 2341 0 89 2454 1 03 1200 2117 0 66 2249 0 79 2372 0 93 2486 1 07 1275 2146 0 69 2278 0 82 2402 0 97 1350 2174 0 72 2307 0 86 2431 1 00 1425 2202 0...

Page 68: ...036 2190 RPM 549K 04N SINGLE PHASE HIGH STATIC 3 TON HORIZONTAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM Vdc RPM Vdc RPM Vdc RPM Vdc RPM Vdc 900 1036 4 2 130...

Page 69: ...89 0 73 2309 0 86 2421 0 99 1125 2088 0 63 2219 0 76 2341 0 89 2454 1 03 1200 2117 0 66 2249 0 79 2372 0 93 2486 1 07 1275 2146 0 69 2278 0 82 2402 0 97 1350 2174 0 72 2307 0 86 2431 1 00 1425 2203 0...

Page 70: ...137 2190 RPM 549K 04N THREE PHASE HIGH STATIC 3 TON HORIZONTAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM Vdc RPM Vdc RPM Vdc RPM Vdc RPM Vdc 900 1037 4 2 1301...

Page 71: ...8 2304 1 26 2409 1 44 1600 1977 0 79 2101 0 95 2218 1 12 2328 1 29 2433 1 47 1700 2005 0 82 2127 0 98 2244 1 15 2353 1 33 2457 1 51 1800 2034 0 86 2155 1 02 2270 1 19 2379 1 37 1900 2066 0 89 2184 1 0...

Page 72: ...1021 2170 RPM 549K 05N SINGLE PHASE HIGH STATIC 4 TON HORIZONTAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM Vdc RPM Vdc RPM Vdc RPM Vdc RPM Vdc 1200 1021 4 2 1...

Page 73: ...09 1 44 1600 1977 0 79 2101 0 95 2218 1 12 2328 1 29 2433 1 47 1700 2005 0 82 2128 0 98 2243 1 15 2353 1 33 2457 1 51 1800 2035 0 86 2156 1 02 2270 1 19 2379 1 37 2482 1 55 1900 2066 0 89 2185 1 06 22...

Page 74: ...549K 05N THREE PHASE HIGH STATIC 4 TON HORIZONTAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM Vdc RPM Vdc RPM Vdc RPM Vdc RPM Vdc 1200 1022 3 8 1228 4 6 1417 5...

Page 75: ...1 12 2336 1 29 2441 1 48 2541 1 66 2125 2157 1 02 2268 1 18 2375 1 36 2478 1 54 2578 1 73 2250 2206 1 08 2313 1 25 2417 1 43 2518 1 61 2616 1 81 2375 2257 1 16 2361 1 33 2461 1 50 2560 1 69 2655 1 89...

Page 76: ...312 9 7 Medium Static 1197 2390 RPM 549K 06N SINGLE PHASE HIGH STATIC 5 TON HORIZONTAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM Vdc RPM Vdc RPM Vdc RPM Vdc R...

Page 77: ...2336 1 29 2441 1 48 2541 1 66 2125 2157 1 02 2268 1 18 2375 1 36 2478 1 54 2578 1 73 2250 2206 1 08 2313 1 25 2417 1 43 2518 1 61 2616 1 81 2375 2257 1 16 2361 1 33 2461 1 50 2560 1 69 2655 1 89 2500...

Page 78: ...9 7 Medium Static 1197 2390 RPM 549K 06N THREE PHASE HIGH STATIC 5 TON HORIZONTAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM Vdc RPM Vdc RPM Vdc RPM Vdc RPM Vd...

Page 79: ...lectro Mechanical W7220 Controller 208 230 1 60 48TC003160 80 48TC003157 84 208 230 3 60 48TC003156 85 460 575 3 60 48TC003161 81 48TC003158 86 04 06 RTU Open Controller Factory Option 208 230 1 60 48...

Page 80: ...80 APPENDIX D WIRING DIAGRAMS Fig B 549K 04 06 Electro Mechanical Control Wiring Diagram 208 230 3 60 with W7220 Control...

Page 81: ...81 APPENDIX D WIRING DIAGRAMS Fig C 549K 04 06 Electro Mechanical Control Wiring Diagram 460 575 3 60 with W7220 Control...

Page 82: ...82 APPENDIX D WIRING DIAGRAMS Fig D 549K 04 06 208 230 3 60 Units with Optional Factory Installed RTU Open Controller...

Page 83: ...83 APPENDIX D WIRING DIAGRAMS Fig E 549K 04 06 460 575 3 60 Units with Optional Factory Installed RTU Open Controller...

Page 84: ...84 APPENDIX D WIRING DIAGRAMS Fig F 549K 04 06 Power Wiring Diagram 208 230 1 60...

Page 85: ...85 APPENDIX D WIRING DIAGRAMS Fig G 549K 04 06 Power Wiring Diagram 208 230 3 60...

Page 86: ...86 APPENDIX D WIRING DIAGRAMS Fig H 549K 04 06 Power Wiring Diagram 460 575 3 60...

Page 87: ...87 APPENDIX E LOW AMBIENT CONTROL SENSOR LOCATION Fig I 549K 04 Outdoor Circuiting Fig J 549K 05 Outdoor Circuiting SENSOR LOCATION SENSOR LOCATION...

Page 88: ...88 APPENDIX E LOW AMBIENT CONTROL SENSOR LOCATION Fig K 549K 06 Outdoor Circuiting SENSOR LOCATION...

Page 89: ......

Page 90: ...eserves the right to change at any time specifications and designs without notice and without obligations Replaces New 2020 Carrier Cat No 04 53549011 01 Edition Date 12 2020 Printed in U S A Form No...

Page 91: ...vel Y N _____ Verify that fan assembly is free of obstructions and rotor spins freely Y N _____ Verify that scroll compressors are rotating in the correct direction Y N _____ Verify installation of th...

Page 92: ...D LINE Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations CL 2 Replaces New 2020 Carrier Cat No 04 53549011 01 Edition Date 12 2020...

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