Carrier WeatherMaster 48HC04 Series Service And Maintenance Instructions Download

Page: 30 / 148

Fig. 50 — Heat Exchanger Assembly

HEATER TUBE
ASSEMBLY

SEAL STRIPS,
SPONGE RUBBER

REGULATOR
GASKET

REGULATOR

BAFFLE ASSEMBLY
(LOW NOx ONLY)

RETAINER

FLUE COVER
ASSEMBLY

BURNER ASSEMBLY

INDUCER FAN-MOTOR
ASSEMBLY

FLUE BAFFLE
(LOW NOx ONLY)

VESTIBULE
PLATE

PRESSURE SWITCH
HOSE CONNECTION

Summary of Contents for WeatherMaster 48HC04 Series

Page 1: ...ion 18 Filter Drier 18 Condenser Fan Adjustment 18 CONVENIENCE OUTLETS 20 SMOKE DETECTORS 21 System 21 Controller 21 Smoke Detector Sensor 21 Smoke Detector Locations 22 Completing Installation of Return Air Smoke Detector 23 FIOP Smoke Detector Wiring and Response 23 SENSOR AND CONTROLLER TESTS 24 Sensor Alarm Test 24 Controller Alarm Test 24 Dirty Controller Test 24 Dirty Sensor Test 25 Dirty Se...

Page 2: ...tions which will result in enhanced installation reliability or operation WARNING ELECTRICAL OPERATION HAZARD Failure to follow this warning could result in personal injury or death Units with convenience outlet circuits may use multiple disconnects Check convenience outlet for power status before opening unit for service Locate its disconnect switch if appropriate and open it Lock out and tag out...

Page 3: ...utside air damper is added an inlet air screen will also be present Each of these filters and screens will need to be periodically re placed or cleaned RETURN AIR FILTERS Return air filters are disposable fiberglass media type Access to the filters is through the small lift out panel located on the rear side of the unit above the evaporator return air access panel See Fig 1 To remove the filters 1...

Page 4: ...ing the frame in its track rotating the retainer back down and tightening all screws SUPPLY FAN BLOWER SECTION Supply Fan Direct Drive For unit sizes 04 05 and 06 a direct drive forward curved cen trifugal blower wheel is an available option The motor has taps to provide the servicer with the selection of one of five motor torque speed ranges to best match wheel performance with attached duct syst...

Page 5: ...ING SPEED TAP The five communication terminals are each programmed to pro vide a different motor torque output See Table 1 Factory default tap selection is Position 1 for lowest torque speed operation Table 1 Motor Tap Programing Percent of Full Load Torque NOTE Factory Default Tap 1 VIO Selecting another speed 1 Disconnect main power to the unit Apply lockout tag out procedures 2 Remove the defau...

Page 6: ...shaft with two concentric type bearings one on each side of the blower housing A fixed pitch driven pulley is attached to the fan shaft and an adjustable pitch driver pulley is on the motor The pulleys are connected using a V belt See Fig 8 Fig 8 Typical Belt Drive Motor Mounting Belt Check the belt condition and tension quarterly Inspect the belt for signs of cracking fraying or glazing along the...

Page 7: ...ing plate front and rear bolts 3 Tighten blower pulley setscrews and motor mounting bolts Torque bolts to 65 to 70 in lb 7 4 to 7 9 Nm 4 Recheck belt tension BEARINGS The fan system uses bearings featuring concentric split locking collars A Torx T 25 socket head cap screw is used to tighten the locking collars Tighten the locking collar by holding it tightly against the inner race of the bearing T...

Page 8: ...ement MOTOR When replacing the motor use the following steps See Fig 15 Fig 15 Replacing Belt Driven Motor Replacing the Motor Use the following steps to replace the belt driven motor 1 Turn off all electrical power to the unit Use approved lockout tag out procedures on all electrical power sources 2 Remove cover on motor connection box 3 Disconnect all electrical leads to the motor 4 Loosen the t...

Page 9: ...four bolts to 120 12 in lb 14 1 4 Nm 28 Remove cover on motor connection box 29 Re connect all electrical leads to the motor and replace the connection box cover 30 Re connect all electrical power to the unit Remove lock out tags on all electrical power sources 31 Start unit and allow to run for a designated period 32 Shut off unit and make any necessary adjustments to the V belt tension or the mo...

Page 10: ...360 ACH550 U0 03A9 6 2 4 HP 575V HD56FE577 575 3 8 60Hz 1725 2 4 DI2 3 40Hz 60Hz 60Hz 16 FL T Al ar m 4 4 0Hz 60Hz 4kHz Aut o Ram p NotSel 30 s ec 30 s ec HK30W A352 ACH550 U0 012A 2 2 9 HP 230V HD58FE654 230 9 2 60Hz 1725 2 9 DI2 3 40Hz 60Hz 60Hz 16 FL T Al ar m 10 6 0Hz 60Hz 4kHz Aut o Ram p NotSel 30 s ec 30 s ec HK30W A356 ACH550 U0 06A9 4 2 9 HP 460V HD58FE654 460 4 2 60Hz 1725 2 9 DI2 3 40Hz...

Page 11: ... 60Hz 16 FL T Al ar m 10 6 0Hz 60Hz 4kHz Aut o Ram p NotSel 30 s ec 30 s ec HK30W A356 ACH550 U0 06A9 4 2 9 HP 460V HD58FE654 460 4 2 60Hz 1725 2 9 DI2 3 40Hz 60Hz 60Hz 16 FL T Al ar m 4 8 0Hz 60Hz 4kHz Aut o Ram p NotSel 30 s ec 30 s ec HK30W A353 ACH550 U0 017A 2 3 7 HP 230V HD60FE656 230 11 7 60Hz 1725 3 7 DI2 3 40Hz 60Hz 60Hz 16 FL T Al ar m 13 5 0Hz 60Hz 4kHz Aut o Ram p NotSel 30 s ec 30 s e...

Page 12: ...nd the life of coils This cleaner is avail able from Replacement Components Division as part number P902 0301 for a one gallon container and part number P902 0305 for a 5 gallon container It is recommended that all coils including standard aluminum pre coated copper copper or E coated coils be cleaned with the Totaline environmentally sound coil cleaner as described below Coil cleaning should be p...

Page 13: ... THE EVAPORATOR COIL 1 Turn unit power off Install lockout tag Remove evapora tor coil access panel 2 If economizer or two position damper is installed remove economizer by disconnecting Molex plug and removing mounting screws 3 Slide filters out of unit 4 Clean coil using a commercial coil cleaner or dishwasher detergent in a pressurized spray canister Wash both sides of coil and flush with clean...

Page 14: ...stub previous equalizer line in suction line 8 Attach TXV bulb in the same location where the original in the sensing bulb indent was when it was removed using the supplied bulb clamps See Fig 19 9 Route equalizer tube through suction connection opening large hole in fitting panel and install fitting panel in place 10 Sweat the inlet of TXV marked IN to the liquid line Avoid excessive heat which c...

Page 15: ... 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 various operating conditions Accurate pressure gage and temperature sensing device are required Con nect the pressure gage to the service port on the liquid line Mount the temperature sensing device on the liquid line and insulate it so that outdoo...

Page 16: ...0 250 300 350 400 450 500 550 600 20 40 60 80 100 120 140 160 Add charge if above the curve Remove charge if below the curve 350 700 1050 1400 1750 2100 2450 2800 3150 3500 3850 6 0 6 12 18 24 30 36 42 48 54 60 20 40 60 80 100 120 140 50 100 150 200 250 300 350 400 450 500 550 600 Temperature at Liquid Valve C F Compressor Discharge Pressure PSIG Kpa 2 Stage 6 Ton Charging Chart R 410A Refrigerant...

Page 17: ...Refrigerant Temperature Degrees F 48TM504393 REV D Remove charge if below the curve Add charge if above the curve 600 550 500 450 400 350 300 250 200 150 20 40 60 80 100 120 140 160 12 5 TON CIRCUIT A CHARGING CHART COOLING MODE ONLY R410A REFRIGERANT 12 5 TON CIRCUIT B CHARGING CHART COOLING MODE ONLY R410A REFRIGERANT Remove charge if below the curve Add charge if above the curve Remove charge i...

Page 18: ... hub setscrews 4 Adjust fan height as shown in Fig 30 5 Tighten setscrews 6 Replace condenser fan assembly Fig 30 Condenser Fan Adjustment See Fig 31 for a typical piping schematic CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in damage to compo nents The compressor is in a Puron refrigerant system and uses a polyolester POE oil This oil is extremely hygroscopic meaning it a...

Page 19: ...19 Fig 31 Typical Piping Schematic Dual Circuit Unit Shown FILTER DRIER FILTER DRIER OUTDOOR COIL INDOOR COIL TXV 2 TXV1 COOLING LIQUID LINES LPS LOC HPS1 COMPRESSOR COMP 1 HPS2 COMPRESSOR COMP 2 ...

Page 20: ...25 v 15 A circuit powered from a source elsewhere in the building Ob serve national and local codes when selecting wire size fuse or breaker requirements and disconnect switch size and location Route 125 v power supply conductors into the bottom of the utili ty box containing the duplex receptacle UNIT POWERED TYPE A unit mounted transformer is factory installed to step down the main power supply ...

Page 21: ...t and smoke de tector configuration to meet project requirements System The smoke detector system consists of a four wire controller and one or two sensors Its primary function is to shut down the roof top unit in order to prevent smoke from circulating throughout the building It is not to be used as a life saving device Controller The controller see Fig 35 includes a controller housing a print ed...

Page 22: ...rn filter accessed through the lift off filter panel Fig 37 Typical Supply Air Smoke Detector Sensor Location RETURN AIR SMOKE DETECTOR SENSOR WITHOUT ECONOMIZER The sampling tube is located across the return air opening on the unit basepan see Fig 38 The holes in the sampling tube face downward into the return air stream The sampling tube is con nected through tubing to the return air sensor that...

Page 23: ... a smoke condition is detected See Fig 42 for smoke detector wiring HIGHLIGHT A JMP 3 is factory cut transferring unit control to smoke detector HIGHLIGHT B Smoke detector NC contact set will open on smoke alarm condi tion de energizing the ORN conductor HIGHLIGHT C 24 v power signal using the ORN lead is removed at the Smoke Detector input on CTB all unit operations cease immediately PREMIERLINK ...

Page 24: ...f Dirty Controller Test The dirty controller test checks the controller s ability to initiate a dirty sensor test and indicate its results DIRTY CONTROLLER TEST PROCEDURE 1 Press the controller s test reset switch for two seconds 2 Verify that the controller s Trouble LED flashes A E F C D B IMPORTANT OPERATIONAL TEST ALERT Failure to follow this ALERT can result in an unnecessary evacuation of th...

Page 25: ...f Remote Test Reset Station Dirty Sensor Test The test reset station dirty sensor test checks the test reset station s ability to initiate a sensor dirty test and indicate the results It must be wired to the controller as shown in Fig 43 and configured to operate the controller s supervision relay For more information see Changing sensor dirty test operation Fig 43 Remote Test Reset Station Connec...

Page 26: ...r s remote alarm LED output is activated turned on The controller s high impedance multiple fan shutdown control line is pulled to ground Trouble state The SuperDuct smoke detector enters the trouble state under the following conditions A sensor s cover is removed and 20 minutes pass before it is properly secured A sensor s environmental compensation limit is reached 100 dirty A wiring fault betwe...

Page 27: ...lay See Changing sensor dirty test operation SENSOR S TROUBLE LED IS ON BUT THE CONTROL LER S TROUBLE LED IS OFF Remove JP1 on the controller PROTECTIVE DEVICES Compressor Protection OVERCURRENT The compressor has internal line break motor protection OVERTEMPERATURE The compressor has an internal protector to protect it against ex cessively high discharge gas temperatures HIGH PRESSURE SWITCH The ...

Page 28: ...ction on Orifice Replacement for details on orifice size se lections Low NOx models include specially sized orifices and use of dif ferent flue flow limits and tube baffles Because of these extra features conversion of these models to LP is not recommended Fuel line pressure entering unit gas valve must remain within specified range Manifold pressure for LP fuel use must be adjusted to specified r...

Page 29: ...eating efficiency Inspect blower wheel every fall and periodically during heating season For the first heating season inspect blower wheel bi monthly to determine proper cleaning frequency To access burner section slide the sliding burner partition out of the unit see Fig 51 To inspect blower wheel shine a flashlight into draft hood open ing If cleaning is required remove motor and wheel as follow...

Page 30: ... TUBE ASSEMBLY SEAL STRIPS SPONGE RUBBER REGULATOR GASKET REGULATOR BAFFLE ASSEMBLY LOW NOx ONLY RETAINER FLUE COVER ASSEMBLY BURNER ASSEMBLY INDUCER FAN MOTOR ASSEMBLY FLUE BAFFLE LOW NOx ONLY VESTIBULE PLATE PRESSURE SWITCH HOSE CONNECTION ...

Page 31: ...ce to manifold tube Fig 52 Orifice Projection REMOVAL AND REPLACEMENT OF GAS TRAIN See Fig 46 49 and 53 1 Shut off manual gas valve 2 Shut off power to unit 3 Remove the control box access panel 4 Remove the control box high voltage cover 5 Remove the screw at the base of the burner partition panel see Fig 51 and slide out the panel HEAT EXCHANGER SUPPORT RACK UNIT CENTER POST HEAT EXCHANGER COVER...

Page 32: ...ly 7 Reinstall burner rack as described in Removal and Replacement of Gas Train section Fig 53 Burner Tray Details Fig 54 Unit Control Box IGC Location Removing the Heat Exchanger The following procedure details the steps to remove the heat ex changed from the unit 1 Turn off electric power to the unit and shut off the unit s gas supply 2 Remove the two exterior panels control box access panel and...

Page 33: ...ingle LED see Fig 60 on the IGC provides a visual display of operational or sequential prob lems when the power supply is uninterrupted When a break in power occurs the IGC will be reset resulting in a loss of fault history and the indoor evaporator fan ON OFF times will be reset The LED error code can be observed through the viewport During servicing refer to the label on the control box cover or...

Page 34: ...34 Fig 55 Spark Adjustment Size 04 07 72 000 BTUH INPUT AND 60 000 BTUH INPUT 115 000 BTUH INPUT 150 000 BTUH INPUT 90 000BTUH INPUT AND 120 000 BTUH INPUT LOW HEAT MEDIUM AND HIGH HEAT ...

Page 35: ... 57 Spark Adjustment Size 12 125 000 90 000 BTUH INPUT 180 000 120 000 BTUH INPUT 240 000 180 000 BTUH INPUT 250 000 200 000 BTUH INPUT 125 000 90 000 BTUH INPUT 180 000 120 000 BTUH INPUT 240 000 180 000 BTUH INPUT 250 000 200 000 BTUH INPUT ...

Page 36: ...ADJUST SCREW PLASTIC ADJUST SCREW 2 REGULATOR SPRING PROPANE WHITE NATURAL SILVER REGULATOR SPRING 2 PROPANE WHITE NATURAL SILVER GAS PRESSURE REGULATOR ADJUSTMENT LOW STAGE GAS PRESSURE REGULATOR ADJUSTMENT MANIFOLD PRESSURE TAP MANIFOLD PRESSURE TAP NPT OUTLET NPT OUTLET INLET PRESSURE TAP INLET PRESSURE TAP ON OFF SWITCH ON OFF SWITCH REGULATOR COVER SCREW REGULATOR COVER SCREW 2 NPT INLET NPT ...

Page 37: ...37 Fig 60 Integrated Gas Control IGC Board RED LED STATUS ...

Page 38: ... relay J2 1 GV Gas valve heat stage 1 gas section relay J2 11 12 Table 14 Orifice Sizes ORIFICE DRILL SIZE PART NUMBER DRILL DIA IN 30 LH32RF129 0 1285 1 8 LH32RF125 0 1250 31 LH32RF120 0 1200 32 LH32RF116 0 1160 33 LH32RF113 0 1130 34 LH32RF111 0 1110 35 LH32RF110 0 1100 36 LH32RF105 0 1065 37 LH32RF104 0 1040 38 LH32RF102 0 1015 39 LH32RF103 0 0995 40 LH32RF098 0 0980 41 LH32RF096 0 0960 42 LH32...

Page 39: ... 11 000 3353 42 40 320 42 64 400 361 84 000 12 000 3658 43 37 440 43 59 800 372 78 000 13 000 3962 43 34 560 43 55 200 382 72 000 14 000 4267 442 31 680 442 50 600 40 66 000 PROPANE GAS ELEVATION NOMINAL HEAT INPUT 72K BTUH 115K BTUH 150K BTUH Feet Meters Orifice Size Input btu hr Orifice Size Input btu hr Orifice Size Input btu hr 0 to 2 000 0 610 514 72 000 503 115 000 463 150 000 2 000 610 514 ...

Page 40: ...1 116 480 372 130 000 13 000 3962 43 34 560 42 60 000 41 72 000 42 86 400 42 107 520 382 120 000 14 000 4267 43 31 680 43 55 000 41 66 000 43 79 200 43 98 560 40 110 000 PROPANE GAS ELEVATION NOMINAL HEAT INPUT 72K BTUH 125K BTUH 150K BTUH 180K BTUH 224K BTUH 250K BTUH FT M Orifice Size Input btu hr Orifice Size Input btu hr Orifice Size Input btu hr Orifice Size Input btu hr Orifice Size Input bt...

Page 41: ...0 519 252 000 519 350 000 2 000 610 529 138 000 529 165 600 529 220 800 519 231 840 519 322 000 3 000 914 539 132 000 539 158 400 539 211 200 529 221 760 529 308 000 4 000 1219 539 126 000 539 151 200 539 201 600 529 211 680 529 294 000 5 000 1524 539 120 000 539 144 000 539 192 000 529 201 600 529 280 000 6 000 1829 539 114 000 539 136 800 539 182 400 529 191 520 529 266 000 7 000 2134 539 108 00...

Page 42: ... line Drain water and install drip leg to trap water No power to furnace Check power supply fuses wiring and circuit breaker No 24 v power supply to control circuit Check transformer Transformers with internal overcurrent protection require a cool down period before resetting Miswired or loose connections Check all wiring and wire nut connections Burned out heat anticipator in thermostat Replace t...

Page 43: ...reset for LED reset The IGC sensed a flame when the gas valve should be closed Check wiring flame sensor and gas valve operation 4 Flashes Four Consecutive Limit Switch Fault No gas heating Heat call W Off Power reset for LED reset 4 consecutive limit switch faults within a single call for heat See Limit Switch Fault 5 Flashes Ignition Fault No gas heating Heat call W Off Power reset for LED reset...

Page 44: ...noMi er X Component Locations Fig 64 EconoMi er2 Component Locations OUTSIDE AIR TEMPERATURE SENSOR WIRING HARNESS ECONOMI ER2 PLUG BAROMETRIC RELIEF DAMPER OUTDOOR AIR HOOD HOOD SHIPPING BRACKET GEAR DRIVEN DAMPER ...

Page 45: ...45 Fig 65 RTU Open Overlay for Economizer Wiring ...

Page 46: ...46 Fig 66 VFD Overlay for W2770 Controller Wiring ...

Page 47: ...eld installed remote minimum position POT remove black wire jumper between P and P1 and set control minimum position POT to the minimum position Fig 67 EconoMi er IV Wiring FOR OCCUPANCY CONTROL REPLACE JUMPER WITH FIELD SUPPLIED TIME CLOCK 8 7 DCV Demand Controlled Ventilation IAQ Indoor Air Quality LA Low Ambient Lockout Device OAT Outdoor Air Temperature POT Potentiometer RAT Return Air Tempera...

Page 48: ...sensor signals between closed and either maximum position DCV or fully open supply air signal 4 3 5 2 8 6 7 1 10 11 9 12 PINK VIOLET BLACK BLUE YELLOW RUN RED WHITE ECONOMI ER2 PLUG DIRECT DRIVE ACTUATOR 4 20mA SIGNAL OAT SENSOR ACTULATOR CONTROL 4 20mA ACTULATOR FEEDBACK 2 10VDC TRANSFORMER GROUND ORANGE 500 OHM RESISTOR Table 21 EconoMi er IV Input Output Logic INPUTS OUTPUTS Demand Controlled V...

Page 49: ...e EconoMi er IV and unit See Table 22 CRENTDIF004A00 and CRTEMPSN002A00 accessories are used on many different base units As such these kits may contain parts that will not be needed for installation 33ZCSENCO2 is an accessory CO2 sensor 33ZCASPCO2 is an accessory aspirator box required for duct mounted applications CRCBDIOX005A00 is an accessory that contains both 33ZCSEN CO2 and 33ZCASPCO2 acces...

Page 50: ...ssory enthalpy sensor in the same mounting location See Fig 75 When the outdoor air enthalpy ris es above the outdoor enthalpy changeover set point the outdoor air damper moves to its minimum position The outdoor enthalpy changeover set point is set with the outdoor enthalpy set point po tentiometer on the EconoMi er IV controller The set points are A B C and D See Fig 76 The factory installed 620...

Page 51: ...tion position The maximum demand ventilation position should be turned fully clockwise EXHAUST SET POINT ADJUSTMENT The exhaust set point will determine when the exhaust fan runs based on damper position if accessory power exhaust is in stalled The set point is modified with the Exhaust Fan set point EXH SET potentiometer See Fig 71 The set point represents the damper position above which the exha...

Page 52: ...teria A proportional anticipatory strategy should be taken with the fol lowing conditions a zone with a large area varied occupancy and equipment that cannot exceed the required ventilation rate at de sign conditions Exceeding the required ventilation rate means the equipment can condition air at a maximum ventilation rate that is greater than the required ventilation rate for maximum occupancy A ...

Page 53: ...aration procedure has been performed 2 Set the enthalpy potentiometer to A fully CCW The Free Cool LED should be lit 3 Set the enthalpy potentiometer to D fully CW The Free Cool LED should turn off 4 Return EconoMi er IV settings and wiring to normal after completing troubleshooting DCV Demand Controlled Ventilation and Power Exhaust To check DCV and Power Exhaust 1 Make sure EconoMi er IV prepara...

Page 54: ...e module is the core of the EconoMi er X system The module is mounted in the unit s control box and includes the user interface for the system The W7220 economizer module provides the basic inputs and outputs to provide simple economizer control When used with the optional sensors the economizer module provides more advanced economizer functionality S Bus Enthalpy Control Sensors The sensor is a c...

Page 55: ...e NOTE The four terminal blocks are removable Slide out each terminal block wire it and then slide it back into place Fig 79 W7220 Wiring Terminals Sylk is a trademark of Honeywell International Inc Table 23 Economizer Module Left Hand Terminal Blocks LABEL TYPE DESCRIPTION Top Left Terminal Block MAT MAT 20k NTC and COM Mixed Air Temperature Sensor Polarity Insensitive Connection OAT OAT 20k NTC ...

Page 56: ...n the front of the economizer controller Keypad Use the four navigation buttons see Fig 82 to scroll through the menus and menu items select menu items and to change parame ter and configuration settings Table 24 Economizer Module Right Hand Terminal Blocks LABEL TYPE DESCRIPTION Top Right Terminal Blocks AUX2 I 24 vac IN The first terminal is not used OCC 24 vac IN Shut Down SD or HEAT W Conventi...

Page 57: ...lays 2 Press the Enter button to return to the current menu parameter 3 Press the Menu Up Exit button to return to the previ ous menu Menu Structure Table 27 illustrates the complete hierarchy of menus and parame ters for the EconoMi er X system The Menus in display order are STATUS SETPOINTS SYSTEM SETUP ADVANCED SETUP CHECKOUT ALARMS NOTE Some parameters in the menus use the letters MA or MAT in...

Page 58: ... and displays measured discharge temperature Displays _ _ _F if sensor sends invalid value if not connected short or out of range OA TEMP _ _ _ F or _ _ _ C 40 F to 140 F 40 C to 60 C OUTSIDE AIR TEMP Displays measured value of outdoor air temperature Displays _ _ _F if sensor sends invalid value short or out of range OA HUM _ _ 0 to 100 OUTSIDE AIR RELATIVE HUMIDITY Displays measured value of out...

Page 59: ...halpy curves DCV SET 1100ppm 500 to 2000 ppm increment by 100 DEMAND CONTROLLED VENTILATION Displays only if CO2 sensor is connected Set point for Demand Controlled Ventilation of space Above the set point the OA dampers will modulate open to bring in additional OA to maintain a space ppm level below the set point MIN POS 2 8 V 2 to 10 vdc VENTILATION MINIMUM POSITION Displays ONLY if a CO2 sensor...

Page 60: ...c out for second exhaust fan SYS use output as an alarm signal OCC INPUT INPUT or ALWAYS OCCUPIED MODE BY EXTERNAL SIGNAL When using a setback thermostat with occupancy out 24 vac the 24 vac is input INPUT to the OCC terminal If no occupancy output from the thermostat then change program to ALWAYS OR add a jumper from terminal R to OCC terminal FACTORY DEFAULT NO NO or YES Resets all set points to...

Page 61: ...he fully closed position CONNECT Y1 O N A N A Closes the Y1 O relay Y1 O CONNECT Y2 O N A N A Closes the Y2 O relay Y2 O CONNECT AUX1 O N A N A Energizes the AUX output If Aux setting is NONE no action taken ERV 24 vac out Turns on or signals an ERV that the conditions are not good for economizing but are for ERV operation SYS 24 vac out Issues a system alarm CONNECT EXH1 N A N A Closes the power ...

Page 62: ...tion with a 2 speed indoor fan with or without DCV see Tables 33 and 34 For enthalpy operation with a 2 speed indoor fan with or without DCV see Tables 35 and 36 ALARMS cont FREEZE ALARM N A N A Check if outdoor temperature is below the LOW Temp Lockout on set point menu Check if Mixed air temperature on STATUS menu is below the Lo Set point on Advanced menu When conditions are back in normal rang...

Page 63: ...ENTILATION DCV OUTSIDE AIR GOOD TO ECONOMIZE Y1 I Y2 I FAN SPEED Y1 O Y2 O OCCUPIED UNOCCUPIED Below CO2 set No Off Off High 0 v Off 0 v Off VENTMIN Closed On Off High 24 v On 0 v Off VENTMIN Closed On On High 24 v On 24 v On VENTMIN Closed Yes Off Off High 0 v Off 0 v Off VENTMIN Closed On Off High 0 v Off 0 v Off VENTMIN to Full Open Closed to Full Open On On High 24 v On 0 v Off VENTMIN to Full...

Page 64: ...CUPIED UNOCCUPIED Below CO2 set No Off Off High 0 v Off 0 v Off VENTMIN Closed On Off High 24 v On 0 v Off VENTMIN Closed On On High 24 v On 24 v On VENTMIN Closed Yes Off Off High 0 v Off 0 v Off VENTMIN Closed On Off High 0 v Off 0 v Off VENTMIN to Full Open Closed to Full Open On On High 24 v On 0 v Off VENTMIN to Full Open Closed to Full Open Above CO2 set No Off Off High 0 v Off 0 v Off VENTM...

Page 65: ...I Y2 I FAN SPEED Y1 O Y2 O OCCUPIED UNOCCUPIED Below CO2 Set No OFF OFF LOW 0v Off 0v Off VENTMIN Closed ON OFF LOW 24v On 0v Off VENTMIN Closed ON ON HIGH 24v On 24v On VENTMIN Closed Yes OFF OFF LOW 0v Off 0v Off VENTMIN Closed ON OFF LOW 0v Off 0v Off VENTMIN to Full Open Closed to Full Open ON ON HIGH 24v On 0v Off VENTMIN to Full Open Closed to Full Open Above CO2 Set No OFF OFF LOW 0v Off 0v...

Page 66: ...he supply fan and controls the OA damper to the required posi tion see Table 37 The W heating mode is not controlled by the W7220 but it re quires the status to know where to position the OA damper for minimum position for the fan speed The 2 speed fan delay is available when the system is pro grammed for 2 speed fan in the System Setup menu item The 2 speed fan delay is defaulted to 5 minutes and...

Page 67: ...e item RUN appears 3 Press the Enter button to start the test The unit pauses and then displays IN PROGRESS When the test is complete DONE appears 4 When all desired parameters have been tested press the Menu Up button to end the test The Checkout tests can all be performed at the time of installation or at any time during the operation of the system as a test that the system is operable TROUBLESH...

Page 68: ...should be used to assist in the base unit start up and also allows verification of output operation Controller configuration is also part of start up This is especially important when field accessories have been added to the unit The factory pre configures options in stalled at the factory There may also be additional installation steps or inspection required during the start up process Additional...

Page 69: ... fan is energized Check heating ef fect then lower the thermostat setting below the room tempera ture and verify that the burners and evaporator fan turn off Refer to Tables 15 18 for the correct orifice to use at high altitudes Heating 1 Purge gas supply line of air by opening union ahead of the gas valve If gas odor is detected tighten union and wait 5 minutes before proceeding 2 Turn on electri...

Page 70: ...and configure the PremierLink controller Changes can be made using the ComfortWORKS software ComfortVIEW software Network Service Tool System Pi lot device or Touch Pilot device The System Pilot and Touch Pilot are portable interface devices that allow the user to change system set up and set points from a zone sensor or termi nal control module During start up the Carrier software can also be use...

Page 71: ...can be used with W7212 Controller Non Fault Detection and Diagnostic 1 PremierLinkTM Controller 2 RTU Open Multi Protocol Controller 6 Electro mechanical w 2 speed fan and W7220 controller w Fault Detection Diagnostic Can be used with EconoMi erX D ComfortLink Controls Not available on 2 stage cooling 07 size models or size 11 with Humidi Mizer Intake Exhaust Options A None B Temperature Economize...

Page 72: ... x 10 MEDIUM STATIC 1 PHASE Motor Qty Drive Type N A 1 Belt N A 1 Belt N A 1 Belt Max BHP N A 1 2 N A 1 2 N A 1 5 RPM Range N A 770 1175 N A 770 1175 N A 1035 1466 Motor Frame Size N A 48 N A 48 N A 56 Fan Qty Type N A 1 Centrifugal N A 1 Centrifugal N A 1 Centrifugal Fan Diameter in N A 10 x 10 N A 10 x 10 N A 10 x 10 STANDARD STATIC 3 PHASE Motor Qty Drive Type 1 Direct 1 Belt 1 Direct 1 Belt 1 ...

Page 73: ...r in 22 22 22 22 22 22 Filters RA Filter qty Size in 2 16 x 25 x 2 2 16 x 25 x 2 4 16 x 16 x 2 4 16 x 16 x 2 4 16 x 16 x 2 4 16 x 16 x 2 OA inlet screen qty Size in 1 20 x 24 x 1 1 20 x 24 x 1 1 20 x 24 x 1 1 20 x 24 x 1 1 20 x 24 x 1 1 20 x 24 x 1 Table A PHYSICAL DATA Cooling 3 5 Tons cont 48HC A04 48HC B04 48HC A05 48HC B05 48HC A06 48HC B06 APPENDIX B PHYSICAL DATA ...

Page 74: ... a Centrifugal Fan Diameter in N A N A N A N A MEDIUM STATIC 1 PHASE Motor Qty Drive Type n a Belt n a Belt n a Belt n a Belt Max BHP N A N A N A N A RPM Range N A N A N A N A Motor Frame Size N A N A N A N A Fan Qty Type n a Centrifugal n a Centrifugal n a Centrifugal n a Centrifugal Fan Diameter in N A N A N A N A STANDARD STATIC 3 PHASE Motor Qty Drive Type 1 Belt 1 Belt 1 Belt 1 Belt Max BHP 1...

Page 75: ...100 1 4 1100 Fan diameter in 22 22 22 22 Filters RA Filter qty Size in 4 16 x 20 x 2 4 16 x 20 x 2 4 16 x 20 x 2 4 16 x 20 x 2 OA inlet screen qty Size in 1 20 x 36 x 1 1 20 x 36 x 1 1 20 x 36 x 1 1 20 x 36 x 1 Table B PHYSICAL DATA Cooling 6 Tons cont 48HC A07 48HC B07 48HC D07 48HC E07 APPENDIX B PHYSICAL DATA ...

Page 76: ...518 733 518 733 518 733 Motor Frame Size 56 56 56 56 Fan Qty Type 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrifugal Fan Diameter in 15 x 15 15 x 15 15 x 15 15 x 15 MEDIUM STATIC 3 PHASE Motor Qty Drive Type 1 Belt 1 Belt 1 Belt 1 Belt Max BHP 2 4 2 4 2 4 2 4 RPM Range 690 936 690 936 690 936 690 936 Motor Frame Size 56 56 56 56 Fan Qty Type 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrif...

Page 77: ...ASE Motor Qty Drive Type 1 Belt 1 Belt 1 Belt 1 Belt 1 Belt 1 Belt Max BHP 3 7 3 7 3 7 3 7 3 7 3 7 RPM Range 838 1084 838 1084 838 1084 838 1084 609 778 609 778 Motor Frame Size 56HZ 56HZ 56HZ 56HZ 56HZ 56HZ Fan Qty Type 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrifugal Fan Diameter in 15 x 15 15 x 15 15 x 15 15 x 15 18 x 18 18 x 18 HIGH STATIC 3 PHASE Motor Qty D...

Page 78: ...0 0 18 0 40 5 900 1 20 0 49 975 1 14 0 51 1050 0 92 0 53 1125 0 81 0 55 1200 0 95 0 57 1275 0 90 0 60 1350 0 84 0 62 1425 0 78 0 65 1500 0 72 0 68 BHP Brake Horsepower ESP External Static Pressure SPEED TORQUE TAP CFM ESP BHP 1 900 0 30 0 19 975 0 17 0 17 1050 0 06 0 16 1125 1200 1275 1350 1425 1500 2 900 0 48 0 25 975 0 34 0 23 1050 0 20 0 22 1125 0 07 0 20 1200 1275 1350 1425 1500 3 900 0 84 0 3...

Page 79: ...0 1300 0 95 0 63 1400 0 81 0 67 1500 0 72 0 70 1600 0 74 0 74 1700 0 67 0 78 1800 0 59 0 82 1900 0 51 0 86 2000 0 42 0 89 BHP Brake Horsepower ESP External Static Pressure SPEED TORQUE TAP CFM ESP BHP 1 1200 0 38 0 30 1300 0 24 0 28 1400 0 12 0 27 1500 0 01 0 26 1600 1700 1800 1900 2000 2 1200 0 49 0 34 1300 0 34 0 32 1400 0 20 0 31 1500 0 05 0 29 1600 1700 1800 1900 2000 3 1200 0 87 0 56 1300 0 7...

Page 80: ...96 2375 2500 5 1500 1 12 0 92 1625 1 00 0 96 1750 0 81 1 00 1875 0 65 1 04 2000 0 56 1 08 2125 0 39 0 95 2250 0 19 1 09 2375 2500 BHP Brake Horsepower ESP External Static Pressure SPEED TORQUE TAP CFM ESP BHP 1 1500 0 27 0 45 1625 0 08 0 43 1750 1875 2000 2125 2250 2375 2500 2 1500 0 48 0 57 1625 0 26 0 55 1750 0 08 0 53 1875 2000 2125 2250 2375 2500 3 1500 0 91 0 82 1625 0 72 0 82 1750 0 52 0 81 ...

Page 81: ...0 1 72 1275 1168 1 00 1237 1 18 1303 1 37 1365 1 57 1425 1 78 1350 1186 1 05 1255 1 24 1320 1 43 1382 1 63 1441 1 84 1425 1204 1 11 1272 1 30 1337 1 49 1398 1 70 1457 1 91 1500 1223 1 18 1291 1 36 1355 1 56 1415 1 77 1473 1 99 Medium static 770 1175 RPM 1 7 bhp max High static 1035 1466 RPM 2 4 bhp max CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP...

Page 82: ...365 1 57 1425 1 78 1350 1186 1 05 1255 1 24 1320 1 43 1382 1 63 1441 1 84 1425 1204 1 11 1272 1 30 1337 1 49 1398 1 70 1457 1 91 1500 1223 1 18 1291 1 36 1355 1 56 1415 1 77 1473 1 99 Standard static 560 854 RPM 1 7 bhp max Medium static 770 1175 RPM 1 7 bhp max High static 1035 1466 RPM 2 4 bhp max CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RP...

Page 83: ...6 1 46 1379 1 66 1439 1 87 1496 2 09 1700 1277 1 37 1342 1 57 1404 1 77 1463 1 99 1520 2 21 1800 1305 1 48 1369 1 68 1430 1 89 1489 2 11 1545 2 34 1900 1333 1 60 1397 1 81 1457 2 02 1514 2 25 2000 1363 1 73 1425 1 94 1484 2 16 1541 2 39 Medium static 920 1303 RPM 1 7 bhp max High static 1208 1550 RPM 2 9 bhp max CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM B...

Page 84: ...277 1 37 1342 1 57 1404 1 77 1463 1 99 1520 2 21 1800 1305 1 48 1369 1 68 1430 1 89 1489 2 11 1545 2 34 1900 1333 1 60 1397 1 81 1457 2 02 1514 2 25 2000 1363 1 73 1425 1 94 1484 2 16 1541 2 39 Standard static 560 854 RPM 1 7 bhp max Medium static 770 1175 RPM 1 7 bhp max High static 1208 1550 RPM 2 9 bhp max CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP ...

Page 85: ...1 63 1438 1 84 1497 2 06 1625 1274 1 36 1342 1 56 1406 1 77 1467 1 98 1526 2 21 1750 1308 1 50 1375 1 70 1438 1 92 1498 2 14 1875 1344 1 65 1409 1 86 1471 2 09 1530 2 32 2000 1380 1 82 1444 2 04 1505 2 27 2125 1418 2 01 1481 2 24 1540 2 47 2250 1457 2 21 1518 2 45 2375 1497 2 43 2500 1538 2 68 Medium static 1035 1466 RPM 2 4 bhp max High static 1303 1550 RPM 2 9 bhp max CFM AVAILABLE EXTERNAL STAT...

Page 86: ...5 1 70 1438 1 92 1498 2 14 1875 1344 1 65 1409 1 86 1471 2 09 1530 2 32 2000 1380 1 82 1444 2 04 1505 2 27 2125 1418 2 01 1481 2 24 1540 2 47 2250 1457 2 21 1518 2 45 2375 1497 2 43 2500 1538 2 68 Standard static 770 1175 RPM 1 7 bhp max Medium static 1035 1466 RPM 2 4 bhp max High static 1303 1550 RPM 2 9 bhp max CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM...

Page 87: ...1066 3 64 2850 894 2 35 943 2 69 990 3 05 1035 3 43 1078 3 82 3000 910 2 51 958 2 86 1004 3 23 1048 3 61 1090 4 01 Standard static 489 747 RPM 1 7 bhp max Medium static 733 949 RPM 2 9 bhp max High static 909 1102 RPM 4 7 bhp max CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1800 449 0 34 539 0 53 615 0 75 681 0 99 742 1 26 1950 470 0 40 5...

Page 88: ... 2 77 3375 950 2 05 1002 2 29 1051 2 52 1098 2 76 1144 3 00 3563 967 2 25 1018 2 49 1067 2 74 1113 2 99 1158 3 24 3750 985 2 46 1035 2 71 1083 2 97 1129 3 23 1173 3 49 Standard static 518 733 RPM 1 7 bhp max Medium static 690 936 RPM 2 4 bhp max High static 838 1084 RPM 3 7 bhp max CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 2250 505 0 3...

Page 89: ...3 29 3850 995 2 58 1045 2 84 1092 3 10 1138 3 36 1181 3 63 4050 1016 2 83 1064 3 10 1111 3 37 1156 3 65 1199 3 93 4250 1037 3 09 1084 3 38 1130 3 66 1174 3 95 1216 4 24 Standard static 518 733 RPM 1 7 bhp max Medium static 690 936 RPM 2 4 bhp max High static 838 1084 RPM 3 7 bhp max CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 2550 548 0 ...

Page 90: ...84 3 38 1130 3 66 1174 3 95 1216 4 24 4500 1064 3 46 1110 3 76 1155 4 06 1198 4 36 1239 4 66 4750 1091 3 85 1137 4 16 1180 4 48 5000 1120 4 28 1164 4 61 Standard static 591 838 RPM 2 4 bhp max Medium static 838 1084 RPM 3 7 bhp max High static 1022 1240 RPM 4 9 bhp max CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 3000 616 0 79 689 0 97 75...

Page 91: ...84 3 38 1130 3 66 1174 3 95 1216 4 24 4500 1064 3 46 1110 3 76 1155 4 06 1198 4 36 1239 4 66 4750 1091 3 85 1137 4 16 1180 4 48 5000 1120 4 28 1164 4 61 Standard static 591 838 RPM 2 4 bhp max Medium static 838 1084 RPM 3 7 bhp max High static 1022 1240 RPM 4 9 bhp max CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 3000 616 0 79 689 0 97 75...

Page 92: ...2 87 786 3 23 5938 630 2 20 677 2 53 721 2 87 764 3 21 805 3 57 6250 657 2 53 702 2 87 745 3 22 786 3 58 826 3 96 CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 3438 746 1 96 799 2 32 849 2 70 896 3 09 940 3 50 3750 753 2 12 806 2 48 856 2 88 903 3 28 947 3 70 4063 761 2 29 813 2 67 862 3 07 909 3 48 953 3 92 4375 771 2 50 821 2 88 869 3 28...

Page 93: ...the United States Ranging from 1 to 200 Hp these continuous duty motors operate on 230 and 460 volt 60 Hz power If a motor does not fit into these specifications the motor does not have to be replaced by an EPACT compliant energy efficient motor Variable speed motors are exempt from EPACT compliance requirements CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM B...

Page 94: ...26 Page 109 48TM501326 Page 109 48TM501327 Page 110 48TM503251 Page 122 48TM503252 Page 130 48TM503252 Page 130 48TM503253 Page 131 D12 208 230 3 60 460 3 60 575 3 60 48TM501379 Page 102 48TM501380 Page 114 48TM501380 Page 114 48TM501381 Page 115 48TM503254 Page 124 48TM503255 Page 135 48TM503255 Page 135 48TM503256 Page 136 D11 208 230 3 60 460 3 60 575 3 60 48TM504179 Page 101 48TM504181 Page 11...

Page 95: ...95 Fig B 48HC A04 A06 YAC Control Diagram 208 1 60 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 96: ...96 Fig C 48HC D07 YAC Control Diagram 208 230 3 60 460 575 3 60 6 Ton 2 Stage Cooling APPENDIX D WIRING DIAGRAMS ...

Page 97: ...97 Fig D 48HC D07 YAC Control Diagram 208 230 3 60 460 575 3 60 6 Ton 2 Stage with Dehumidification APPENDIX D WIRING DIAGRAMS ...

Page 98: ...98 Fig E 48HC A07 YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 99: ...99 Fig F 48HC D08 D09 YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 100: ...100 Fig G 48HC D11YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 101: ...101 Fig H 48HC D12 YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 102: ...102 Fig I 48HC A04 A06 YAC Power Diagram 208 230 1 60 APPENDIX D WIRING DIAGRAMS ...

Page 103: ...103 Fig J 48HC A04 A06 YAC Power Diagram 208 230 3 60 460 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 104: ...104 Fig K 48HC A04 A06 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 105: ...105 Fig L 48HC D07 D12 YAC Power Diagram 208 230 3 60 460 3 60 6 Ton 2 Stage with Cooling APPENDIX D WIRING DIAGRAMS ...

Page 106: ...106 Fig M 48HC D07 D12 YAC Power Diagram 208 230 3 60 460 3 60 6 Ton 2 Stage with Dehumidification APPENDIX D WIRING DIAGRAMS ...

Page 107: ...107 Fig N 48HC A07 A12 YAC Power Diagram 208 230 3 60 460 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 108: ...108 Fig O 48HC A07 A12 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 109: ...109 Fig P 48HC D08 D09 YAC Power Diagram 230 460 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 110: ...110 Fig Q 48HC D08 D09 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 111: ...111 Fig R 48HC D11 YAC Power Diagram 208 230 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 112: ...112 Fig S 48HC D11 YAC Power Diagram 460 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 113: ...113 Fig T 48HC D11 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 114: ...114 Fig U 48HC D12 YAC Power Diagram 230 460 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 115: ...115 Fig V 48HC D12 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 116: ...116 Fig W 48HC D14 YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 117: ...117 Fig X 48HC D14 YAC Power Diagram 208 230 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 118: ...118 Fig Y 48HC D14 YAC Power Diagram 460 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 119: ...119 Fig Z 48HC D14 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 120: ...120 Fig AA 48HC A04 A06 YAC Control Diagram 230 1 60 230 460 575 3 60 with Dehumidification APPENDIX D WIRING DIAGRAMS ...

Page 121: ...121 Fig AB 48HC A07 YAC Control Diagram 230 1 60 230 460 575 3 60 with Dehumidification APPENDIX D WIRING DIAGRAMS ...

Page 122: ...122 Fig AC 48HC D08 D09 YAC Control Diagram 230 460 575 3 60 with Dehumidification APPENDIX D WIRING DIAGRAMS ...

Page 123: ...123 Fig AD 48HC D11 YAC Control Diagram 230 1 60 230 460 575 3 60 with Dehumidification APPENDIX D WIRING DIAGRAMS ...

Page 124: ...124 Fig AE 48HC D12 YAC Control Diagram 230 460 575 3 60 with Dehumidification APPENDIX D WIRING DIAGRAMS ...

Page 125: ...125 Fig AF 48HC A04 A06 YAC Power Diagram 208 230 1 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 126: ...126 Fig AG 48HC A04 A06 YAC Power Diagram 230 460 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 127: ...127 Fig AH 48HC A04 A06 YAC Power Diagram 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 128: ...128 Fig AI 48HC A07 YAC Power Diagram 230 460 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 129: ...129 Fig AJ 48HC A07 YAC Power Diagram 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 130: ...130 Fig AK 48HC D08 D09 YAC Power Diagram 230 460 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 131: ...131 Fig AL 48HC D08 D09 YAC Power Diagram 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 132: ...132 Fig AM 48HC D11 YAC Power Diagram 208 230 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 133: ...133 Fig AN 48HC D11 YAC Power Diagram 460 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 134: ...134 Fig AO 48HC D11 YAC Power Diagram 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 135: ...135 Fig AP 48HC D12 YAC Power Diagram 230 460 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 136: ...136 Fig AQ 48HC D12 YAC Power Diagram 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 137: ...137 Fig AR 48HC D14 YAC Control Diagram 230 460 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 138: ...138 Fig AS 48HC D14 YAC Power Diagram 208 230 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 139: ...139 Fig AT 48HC D14 YAC Power Diagram 460 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 140: ...140 Fig AU 48HC D14 YAC Power Diagram 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 141: ...141 Fig AV YAC Direct Digital System Control Wiring Diagram System 50HE500891 F APPENDIX D WIRING DIAGRAMS ...

Page 142: ...142 Fig AW PremierLink System Control Wiring Diagram System APPENDIX D WIRING DIAGRAMS ...

Page 143: ...143 Fig AX PremierLink System Control Wiring Diagram with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 144: ...144 Fig AY RTU Open Wiring Diagram APPENDIX D WIRING DIAGRAMS ...

Page 145: ...145 Fig AZ 48HC A04 Outdoor Circuiting Fig BA 48HC A05 06 Outdoor Circuiting Fig BB 48HC A07 and 48HC D07 Outdoor Circuiting Fig BC 48HC A08 Outdoor Circuiting APPENDIX E MOTORMASTER SENSOR LOCATIONS ...

Page 146: ...aces 48HC 4 14 02SM Carrier Corporation 2019 Fig BD 48HC A09 Outdoor Circuiting Fig BE 48HC D14 Outdoor Circuiting Circuit A and Circuit B Fig BF 48HC D08 Motormaster Sensor Location Novation Coils MCHX Fig BG 48HC D12 Motormaster Sensor Location Novation Coils MCHX CIRCUIT A CIRCUIT B SENSOR LOCATION SENSOR LOCATION TIE WRAP SENSOR LOCATION 9 0 C12492 TIE WRAP SENSOR LOCATION 11 0 C12493 APPENDIX...

Page 147: ... Verify that unit is level Y N _____ Check fan wheels and propeller for location in housing orifice and verify setscrew is tight Y N _____ Verify that fan sheaves are aligned and belts are properly tensioned Y N _____ Verify that scroll compressors are rotating in the correct direction Y N _____ Verify installation of thermostat Y N _____ III START UP ELECTRICAL Supply Voltage L1 L2_____________ L...

Page 148: ...at coil _______________ F E Confirm correct rotation for compressor Y N _____ F Check for correct ramp up of outdoor fan motor as condenser coil warms Y N _____ 4 Check unit charge per charging chart Y N _____ Jumper 32L Motormaster temperature sensor during this check Remove jumper when complete 5 Switch unit to high latent mode sub cooler by closing humidistat with Y1 closed Y N _____ OBSERVE A ...

Search results

Summary of Contents for WeatherMaster 48HC04 Series

Reviews:

Related manuals for WeatherMaster 48HC04 Series

Brands by name

Popular brands

Carrier WeatherMaster 48HC04 Series, Service And Maintenance Instructions

Search results

Summary of Contents for WeatherMaster 48HC04 Series

Reviews:

Related manuals for WeatherMaster 48HC04 Series

Brands by name

Popular brands