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Table 29 — Configuring Demand Limit

NOTE: Heating reset values skipped in this example.

Table 30 — Menu Configuration of 4 to 20 mA Cooling Set Point Control

MODE

KEYPAD

ENTRY

SUB-MODE

KEYPAD

ENTRY

ITEM

DISPLAY

ITEM EXPANSION

COMMENT

CONFIGURATION

DISP

TEST

ON/OFF

Test Display LEDs

UNIT

TYPE

Unit Type

OPT1

FLUD

Cooler Fluid

OPT2

CTRL

Control Method

RSET

CRST

Cooling Reset Type

CRT1

XXX.X °F

No Cool Reset Temperature

CRT2

XXX.X °F

Full Cool Reset Temperature

DGRC

XX.X

∆

Degrees Cool Reset

DMDC

Demand Limit Select

Default: 0
0 = None
1 = Switch
2 = 4 to 20 mA Input
3 = CCN Loadshed

DM20

XXX%

Demand Limit at 20 mA

Default: 100%
Range: 0 to 100

SHNM

XXX

Loadshed Group

Number

Default: 0
Range: 0 to 99

SHDL

XXX%

Loadshed Demand

Delta

Default: 0%
Range: 0 to 60%

SHTM

XXX MIN

Maximum Loadshed

Time

Default: 60 min.
Range: 0 to 120 min.

DLS1

XXX %

Demand Limit

Switch 1

Default: 80%
Range: 0 to 100%

DLS2

XXX%

Demand Limit

Switch 2

Default: 50%
Range: 0 to 100%

MODE

(RED LED)

KEYPAD

ENTRY

SUB-MODE

KEYPAD

ENTRY

ITEM

DISPLAY

ITEM

EXPANSION

COMMENT

CONFIGURATION

DISP

UNIT

OPT1

OPT2

RSET

SLCT

CLSP

COOLING SETPOINT SELECT

Scrolling Stops

Flashing ‘0’

Select ‘4’

Change Accepted

ENTER

Содержание ComfortLink HXC076

Страница 1: ...ll disconnect locations to alert others not to restore power until work is completed This unit uses a microprocessor based electronic control system Do not use jumpers or other tools to short out com ponents or to bypass or otherwise depart from recom mended procedures Any short to ground of the control board or accompanying wiring may destroy the electronic modules or electrical components To pre...

Страница 2: ...CEDURE Moisture Liquid Indicator 59 Filter Drier 59 Liquid Line Service Valve 59 Thermistors 59 LOCATION THERMISTOR REPLACEMENT Pressure Transducers 65 TROUBLESHOOTING FLOW SENSOR Safety Devices 68 COMPRESSOR PROTECTION OIL SEPARATOR HEATERS 30GX COOLER PROTECTION Relief Devices 68 PRESSURE RELIEF VALVES Control Modules 68 MAIN BASE BOARD MBB SCREW COMPRESSOR BOARD SCB EXPANSION VALVE BOARD EXV EN...

Страница 3: ...ble position the chiller is under its own control Move the switch to the Off position to shut the chiller down Move the switch to the Remote Contact position and a field installed dry contact can be used to start the chiller The contacts must be capable of handling a 24 vac 20 mA load In the Enable and Remote Contact dry contacts closed positions the chiller is allowed to operate and respond to th...

Страница 4: ...ch compressor and sends this informa tion to the MBB through LEN communication with the EXV board At initial start up the EXV position is at zero After that the microprocessor keeps accurate track of the valve position in order to use this information as input for the other control functions The processor does this by initializing the EXVs at start up The processor sends out enough closing pulses ...

Страница 5: ...l pump will increase pressure to satisfy the oil pressure requirement The pump will continue to operate until the discharge pres sure minus economizer pressure is greater then 17 psi plus the oil system pressure drop Example Discharge pressure 80 psi Oil pressure 65 psi Oil system pressure drop 80 65 15 psi Economizer pressure 55 psi Differential oil pressure 65 55 10 psi Suction pressure 40 psi B...

Страница 6: ...r Thermistor Dual LWT Outside Air Stream Common Leaving Fluid TB5 terminals 7 8 T10 optional Space Temperature Conditioned Space TB5 terminals 5 6 COND EWT optional Condenser Entering Water Thermistor Condenser Entering Fluid Line TB2 terminals 1 2 COND LWT optional Condenser Leaving Water Thermistor Condenser Leaving Fluid Line TB2 terminals 3 4 PRESSURE TRANSDUCERS Sensor Description Location Co...

Страница 7: ...et to 0 OFF position For CCP2 compressor A2 for 30GXN R204 268 and 30HXA C206 271 and com pressor B2 for 30GXN R281 350 switch 1 should be set to L and switches 3 and 4 should be set to 1 ON position Switch 2 should be set to 0 OFF position See Table 4 for CCP board connections The CCP has a reset button located between the DIP switch and the J10 connector Each compressor s MTA must trip amps sett...

Страница 8: ...sor windings to a Delta wiring configuration The S and 2M contactors in the starter assembly are both mechanically and electrically interlocked so that they will not both be ener gized at the same time Do not alter the factory installed power wiring from the control box terminal block to the compressor junction block Doing so will cause permanent damage to the compressor and will require that the ...

Страница 9: ...ading are available See Appendix B for an example LEAD LAG DETERMINATION LLCS Configuration mode under sub mode OPT2 This is a configurable choice and is factory set to be automatic The value can be changed to Circuit A or Circuit B leading as desired Set at automatic the circuit with the lowest hours is started first Changes to which circuit is the lead circuit and which is the lag are made when ...

Страница 10: ...l is deenergized For example if the difference between the cooler entering and leaving water temperature is 3 F with the valve deenergized then the difference between cooler entering and leaving water temperature must be at least 1 5 F with the valve energized Once the outputs have been tested and the ball valve adjusted the installation is complete Disable manual control and return chiller to des...

Страница 11: ...sure switches shipped in the 30HXA control box temperature switches and an accessory Motormaster control to maintain head pressure independent of 30HXA unit control The fans are staged or speed varied 30GXN R or water valve controlled 30HXC based on each circuit s satu rated condensing temperature and compressor status Water cooled units 30HXC operating at less than 70 F 21 1 C for entering conden...

Страница 12: ...ntrol condenser fan cycling The Motormaster V control also requires a temperature sensor input or the 4 to 20 mA output signal from the Comfortlink control system See accessory installation instructions for further information The Head Pressure Control Type HPCT under sub mode OPT1 may be set to control various types of head pressure control devices HPCT may be set to 0 No Control 1 Air Cooled 3 C...

Страница 13: ...pendent 163 178 2 2 STAGE IND 1st stage each circuit compressor status 2nd and 3rd stage each circuit independent 249 264 5 A3B2 IND 1st stage each circuit compressor status 2nd stage Circuit B independent 2nd 3rd and 4th stage Circuit A independent 208 228 253 268 281 350 3 3 STAGE IND 1st stage each circuit compressor status 2nd 3rd and 4th stage each circuit independent 1 2 3 4 CONTROL BOX END ...

Страница 14: ...l Illegal ON Unoccupied OFF OFF Illegal Illegal OFF CCN Occupied ON CSP1 ON ON CSP1 ON CSP1 ON Unoccupied ON CSP1 ON ON CSP2 ON CSP2 ON DECREASE CURRENT FAN STAGE BY ONE NO NO YES IS SCT GREATER THAN HEAD PRESSURE SET POINT PLUS 15 F 8 3 C INCREASE CURRENT FAN STAGE BY ONE YES READ CIRCUIT SATURATED CONDENSING TEMPERATURE AND CURRENT FAN STAGE NO INCREASE CURRENT FAN STAGE BY ONE YES CALCULATE NEW...

Страница 15: ...an 3 FC 3 5 6 Comp A1 A2 contactor FC 4 7 8 Fan 1 FC 5 9 10 High Static Comp B1 contactor FC 1 1A 1 2 Fan 2 FC 2 2A 3 4 Fan 3 FC 3 3A 5 6 Comp A1 A2 contactor FC 4 4A 7 8 Fan 1 FC 5 5A 9 10 163 178 Standard Comp B1 contactor FC 1 1 2 Fan 2 FC 2 3 4 Fan 4 FC 3 5 6 Comp A1 contactor FC 4 7 8 Fan 1 FC 5 9 10 Fan 3 FC 6 11 12 High Static Comp B1 contactor FC 1 1A 1 2 Fan 2 FC 2 2A 3 4 Fan 4 FC 3 3A 5 ...

Страница 16: ...ee Motor master V installation instructions for more information In the standard control scheme fans 1 and 2 are on when there is a call for cooling from the respective coil circuits Fans 1 and 2 are non cycling On 054 and 064 units fans 3 and 4 are controlled by using a fan cycling pressure switch on each of the primary coil circuits in response to condensing pressure Fan cycling switches must be...

Страница 17: ...ontrol Methods SWITCH Unit is started and stopped manually by switch ing the ENABLE OFF REMOTE CONTACT switch from OFF to ENABLE or by external contacts with the switch in the REMOTE position The unit can be enabled and disabled by this action or all control methods 7 DAY SCHEDULE Unit is started and stopped in accor dance with the schedule configured under Time Clock mode This schedule can be con...

Страница 18: ...n the center of the display will be illuminated When there is chilled water flow but the flow is inadequate to close the switch and allow unit operation one red LED will illuminate A red LED can also indicate inoperative pump s closed valve clogged strainer or air in the system When the first green LED is illuminated the switch is closed and the unit will start and run Various conditions can cause...

Страница 19: ...able Off Remote Contact switch must be in the Off position Use the display keys to enter the Service Test mode and display TEST OFF Press the key and Off will flash Enter the password if required Use either arrow key to change the Off to On and press Switch the Enable Off Remote Contact switch to the Enable position Use the arrow keys to select either sub mode OUTS or COMP Test the expansion valve...

Страница 20: ...hiller TB5 term 7 and 8 Outdoor Air Broadcast BCST OAT B must be configured ON Remote contacts should be connect ed to both Master and Slave to control unit operation Optional control inputs and Energy Management Module EMM should be connected to the Master chiller Table 11 Navigator Display Menu Structure LEGEND Ckt Circuit RUN STATUS SERVICE TEST TEMPERATURES PRESSURES SET POINTS INPUTS OUTPUTS ...

Страница 21: ...HXA C 076 186 50 086 126 54 096 116 136 161 59 106 246 63 146 55 171 45 206 57 261 65 271 67 CMP A X NUMBER CIRC A COMPRESSOR HXA C076 186 1 HXA C206 271 2 GXN R080 178 1 GXN R204 350 2 CMP B X NUMBER CIRC B COMPRESSOR HXA C076 271 1 GXN R080 268 1 GXN R281 350 2 DIS S XX X F DISCHARGE SUPER SETPOINT Default 22 F DISCHARGE SUPERHEAT FAN S X FAN STAGING SELECT None 30HXA 30HXC 1 STAGE IND 2 STAGE I...

Страница 22: ...ID SENSORS Default No EMM YES NO EMM MODULE INSTALLED OPT2 CTRL X CONTROL METHOD Default Switch Switch Enable Off Remote Contact 7 Day Occ 7 Day Schedule Occupancy CCN Occupancy CCN CCN Control CCNA XXX CCN ADDRESS Default 1 Range 1 to 239 CCNB XXX CCN BUS NUMBER Default 0 Range 0 to 239 BAUD X CCN BAUD RATE Default 9600 2400 4800 9600 19 200 38 400 LOAD X LOADING SEQUENCE SELECT Default Equal Equ...

Страница 23: ...to 125 F DGRH XX X F DEGREES HEAT RESET Default 0 F Range 30 to 30 F DMDC X DEMAND LIMIT SELECT Default None None Switch 4 to 20 mA Input CCN Loadshed DM20 XXX DEMAND LIMIT AT 20 mA Default 100 Range 0 to 100 SHNM XXX LOADSHED GROUP NUMBER Default 0 Range 0 to 99 SHDL XXX LOADSHED DEMAND DELTA Default 0 Range 0 to 60 SHTM XXX MAXIMUM LOADSHED TIME Default 60 Minutes Range 0 to 120 Minutes DLS1 XXX...

Страница 24: ...ange 0 to 100 MT SP XXX X F MOTOR TEMP SETPOINT Default 200 F 170 F for Brine BR FZ XXX X F BRINE FREEZE POINT Default 34 F Range 20 to 34 F MC SP XXX X F MAX COND TEMP SETPOINT Default 152 F GXN R 145 F HXA 118 F HXC Range 100 F To Default EX S A XX X EXVA START POSITION Default 20 Range 0 T0 40 EX S B XX X EXVB START POSITION Default 20 Range 0 To 40 EN A1 ENBL DSBL ENABLE COMPRESSOR A1 Default ...

Страница 25: ...264 Fans 9 10 153 163 178 204 225 281 350 Fans 15 16 253 268 FAN2 ON OFF FAN 2 RELAY Fans 3 4 080 178 204 225 249 264 281 350 Fan 3 208 228 253 268 FAN3 ON OFF FAN 3 RELAY Fans 5 6 083 093 160 174 204 225 Fans 6 8 253 268 Fans 7 8 118 128 138 150 160 Fans 9 10 249 264 Fans 11 12 163 178 208 228 268 Fans 13 14 208 228 253 268 350 Fans 15 16 281 350 FAN4 ON OFF FAN 4 RELAY Fans 5 7 208 228 253 268 F...

Страница 26: ...DGT A XXX X F DISCHARGE GAS TEMP Average of A1 A2 values for GXN R204 350 and HX206 271 DGA 1 XXX X F DISCHARGE GAS TEMP A1 DGA 2 XXX X F DISCHARGE GAS TEMP A2 GXN R204 350 and HX206 271 only MT A1 XXX X F A1 MOTOR TEMPERATURE MT A2 XXX X F A2 MOTOR TEMPERATURE GXN R204 350 and HX206 271 only CIR B SCT B XXX X F SATURATED CONDENSING TMP SST B XXX X F SATURATED SUCTION TEMP SH B XXX X F DISCHARGE S...

Страница 27: ...IG SUCTION PRESSURE ECN B XXX X PSIG ECONOMIZER PRESSURE OP B1 XXX X PSIG B1 OIL PRESSURE OP B2 XXX X PSIG B2 OIL PRESSURE DO B1 XXX X PSI B1 OIL PRESSURE DIFF Equals oil pressure minus Economizer pressure DO B2 XXX X PSI B2 OIL PRESSURE DIFF Equals oil pressure minus Economizer pressure FD B1 XXX X PSI B1 OIL FILTER DIFF Equals discharge pressure minus oil pressure FD B2 XXX X PSI B2 OIL FILTER D...

Страница 28: ... CRCT FKA1 ON OFF COMPRESSOR A1 FEEDBACK FKA2 ON OFF COMPRESSOR A2 FEEDBACK OIL A OPEN CLSE OIL LEVEL SWITCH A1 CR XXX AMPS COMP A1 RUNNING CURRENT A2 CR XXX AMPS COMP A2 RUNNING CURRENT FKB1 ON OFF COMPRESSOR B1 FEEDBACK FKB2 ON OFF COMPRESSOR B2 FEEDBACK OIL B OPEN CLSE OIL LEVEL SWITCH B1 CR XXX AMPS COMP B1 RUNNING CURRENT B2 CR XXX AMPS COMP B2 RUNNING CURRENT 4 20 DMND XX X MA 4 20 MA DEMAND...

Страница 29: ...1 RELAY LD A2 ON OFF LOADER A2 RELAY OL P A ON OFF OIL PUMP MC A1 ON OFF MOTOR COOLING A1 SOLENOID MC A2 ON OFF MOTOR COOLING A2 SOLENOID OL H A ON OFF OIL HEATER OL A1 ON OFF OIL SOLENOID A1 OL A2 ON OFF OIL SOLENOID A2 EXV A XXX EXV OPEN VH PA XXX VARIABLE HEAD PRESS CIR B CC B1 ON OFF COMPRESSOR B1 RELAY CC B2 ON OFF COMPRESSOR B2 RELAY LD B1 ON OFF LOADER B1 RELAY LD B2 ON OFF LOADER B2 RELAY ...

Страница 30: ... MD10 ON OFF MINIMUM OFF TIME ACTIVE MD11 ON OFF LOW DISCHRGE SUPERHEAT A MD12 ON OFF LOW DISCHRGE SUPERHEAT B MD13 ON OFF DUAL SETPOINT MD14 ON OFF TEMPERATURE RESET MD15 ON OFF DEMAND LIMIT IN EFFECT MD16 ON OFF COOLER FREEZE PROTECTION MD17 ON OFF LOW TMP COOL HI TMP HEAT MD18 ON OFF HI TMP COOL LO TMP HEAT MD19 ON OFF MAKING ICE MD20 ON OFF STORING ICE MD21 ON OFF HIGH SCT CIRCUIT A MD22 ON OF...

Страница 31: ...MAND LIMIT ALRM XXX CURRENT ALARMS ALERTS TIME XX XX TIME OF DAY 00 00 23 59 MNTH XX MONTH OF YEAR January February etc DATE XX DAY OF MONTH 01 31 YEAR XX YEAR RUN HRS U XXXX HRS MACHINE OPERATING HOURS STR U XXXX MACHINE STARTS HOUR HRS A XXXX HRS CIRCUIT A RUN HOURS HRS B XXXX HRS CIRCUIT B RUN HOURS HR A1 XXXX HRS COMPRESSOR A1 RUN HOURS HR A2 XXXX HRS COMPRESSOR A2 RUN HOURS HR B1 XXXX HRS COM...

Страница 32: ... TEST ON Display Test is Enabled The alarm and all mode LED s light up The Navigator will dis play all block segments Press arrow keys at the same time The Navigator will display Adjust Brightness Use the up arrow key to brighten the back light and the down arrow key to dim the backlight Press the ESCAPE key when fin ished to exit the mode SUB MODE KEYPAD ENTRY ITEM DISPLAY ITEM EXPANSION COMMENT ...

Страница 33: ...D TIME Default 00 00 Range 00 00 to 23 59 TUE O XX XX TUESDAY OCCUPIED TIME Default 00 00 Range 00 00 to 23 59 TUE U XX XX TUESDAY UNOCCUPIED TIME Default 00 00 Range 00 00 to 23 59 WED O XX XX WEDNESDAY OCCUPIED TIME Default 00 00 Range 00 00 to 23 59 WED U XX XX WEDNESDAY UNOCCUPIED TIME Default 00 00 Range 00 00 to 23 59 THU O XX XX THURSDAY OCCUPIED TIME Default 00 00 Range 00 00 to 23 59 THU ...

Страница 34: ... RESET COOLING RESET TYPE 15 ITEMS LLEN DSBL LEAD LAG CHILLER ENABLE SCROLLING STOPS DSBL VALUE FLASHES ENBL SELECT ENBL LLEN ENBL LEAD LAG CHILLER ENABLE CHANGE ACCEPTED MSSL MSSL MAST MASTER SLAVE SELECT DEFAULT MAST SLVA SLAVE ADDRESS SLVA 0 VALUE FLASHES 2 SELECT 2 SLVA 2 SLAVE ADDRESS CHANGE ACCEPTED LLBL MASTER LEADS LEAD LAG BALANCE SELECT VALUE FLASHES AUTOMATIC SELECT AUTOMATIC LLBL AUTOM...

Страница 35: ...DDRESS SCROLLING STOPS 1 VALUE FLASHES 2 SELECT 2 SEE NOTE 2 CCNA 2 CCN ADDRESS CHANGE ACCEPTED CCNA CCNB CCNB 0 CCN BUS NUMBER DEFAULT 0 SEE NOTE 3 CCNB OPT2 RSET PROCEED TO SUBMODE RSET RSET RSET CRST COOLING RESET TYPE LLEN LEAD LAG CHILLER ENABLE 15 ITEMS LLEN DSBL SCROLLING STOPS DSBL VALUE FLASHES ENBL SELECT ENBL LLEN ENBL LEAD LAG CHILLER ENABLE CHANGE ACCEPTED LLEN MSSL MASTER SLAVE SELEC...

Страница 36: ...H51BX006 for SPT The Energy Management Module EMM must be used for temperature reset using a 4 to 20 mA signal To use the return reset four variables must be configured In the Configuration mode under the sub mode RSET items CRST CRT1 CRT2 and DGRC must be set properly See Tables 27 and 28 on page 37 for correct configuration To reset the return fluid temperature the unit set point is reset from f...

Страница 37: ...MP Default 0 F 17 8 C Range 0 to 125 F Set to 20 0 for CRST 1 Full Cool Reset T for CRST 3 DGRC XX X F DEGREES COOL RESET Default 0 F 0 C Range 30 to 30 F 16 7 to 16 7 C SUB MODE KEYPAD ENTRY ITEM DISPLAY ITEM EXPANSION COMMENT RSET CRST 3 COOLING RESET TYPE 0 no reset 1 4 to 20 mA input 2 Outdoor air temp 3 Return Fluid 4 Space Temperature CRT1 10 0 F 5 5 C NO COOL RESET TEMP Default 125 F 51 7 C...

Страница 38: ...t to the lowest demand takes priority if both demand limit inputs are closed If the demand limit percentage does not match unit staging the unit will limit capacity to the closest capacity stage To disable demand limit configure the DMDC to 0 See Table 29 EXTERNALLY POWERED DEMAND LIMIT 4 to 20 mA Controlled To configure Demand Limit for 4 to 20 mA control set the Demand Limit Select DMDC to 2 The...

Страница 39: ...20 mA signal input to the Energy Management Module EMM The signal is connected to TB6 3 5 Figure 19 shows how the 4 to 20 mA signal is linearly calculated on an overall 10 F to 80 F for both Water and Medium Temperature Brine COOLER FLUID configura tions See Table 30 for configuration instructions LEGEND EMM Energy Management Module Fig 19 Cooling Set Point 4 to 20 mA 100 38 80 27 60 15 40 4 4 20 ...

Страница 40: ...d Limit Select Default 0 0 None 1 Switch 2 4 to 20 mA Input 3 CCN Loadshed DM20 XXX Demand Limit at 20 mA Default 100 Range 0 to 100 SHNM XXX Loadshed Group Number Default 0 Range 0 to 99 SHDL XXX Loadshed Demand Delta Default 0 Range 0 to 60 SHTM XXX MIN Maximum Loadshed Time Default 60 min Range 0 to 120 min DLS1 XXX Demand Limit Switch 1 Default 80 Range 0 to 100 DLS2 XXX Demand Limit Switch 2 ...

Страница 41: ...reset requires that the alarm s be reset via the Navigator Select the RCRN item under the Alarms mode Press and again to reset all current alarms and alerts A password entry may be required Some typical fault conditions are described in Table 31 For a complete list of fault conditions codes and reset type see Table 32 POWER FAILURE EXTERNAL TO THE UNIT Unit restarts automatically when power is res...

Страница 42: ...l filter closed oil valve bad oil solenoid compressor oil check valve stuck oil line check valve stuck plugged oil strainer Compressor B1 Low Oil Pressure 2 PO PS Oil Set Point 2 See Note 1 and Fig 20 on page 49 Comp B1 shut down Manual Low Water Temperature low refrigerant charge plugged oil filter closed oil valve bad oil solenoid compressor oil check valve stuck oil line check valve stuck plugg...

Страница 43: ...ck valve stuck oil line check valve stuck plugged oil strainer A037 Alarm Comp B2 Max Oil Delta P check oil line Discharge press Oil press 100 PSI for more than 5 seconds Comp B2 shut down Manual Plugged oil filter closed oil valve bad oil solenoid com pressor oil check valve stuck oil line check valve stuck plugged oil strainer A038 Alarm Comp A1 Failed Oil Solenoid Diff Oil Pressure 2 5 PSI duri...

Страница 44: ...orrect phase Tor oid wire harness crossed Check compressor contactor Motor Over Temperature CCP detects motor winding temperature 245 F Comp shut down Manual Motor cooling all or Econo mizer 2 comp circuits sole noid failure low refrigerant charge Faulty economizer TXV or poor bulb connection to motor cooling line Open Thermistor CCP detects open circuit in motor temp thermistor Comp shut down Man...

Страница 45: ... ratio more than 98 9 or less than 6 Circuit B shut down Automatic Transducer failure poor con nection to MBB or wiring damage error T092 Alert Circuit A Suction Pressure Transducer Failure Voltage ratio more than 99 9 or less than 0 5 for 50 seconds Circuit A shut down Automatic Transducer failure poor con nection to MBB or wiring damage error T093 Alert Circuit B Suction Pressure Transducer Fail...

Страница 46: ...w restricted condenser air water flow A128 Alarm Circuit A Condenser Freeze Protection alarm ignored for brine chillers For water cooled chillers only if SCT 34 F 1 1 C Chiller shut down Turns condenser pump On if Chiller is Off Automatic Failed bad discharge pres sure transducer refrigerant leak configured for water cooled condenser A129 Alarm Circuit B Condenser Freeze Protection alarm ignored f...

Страница 47: ... sec Chiller shut down Manual Low condenser water flow failed condenser pump A172 Alarm Loss of Communica tion with EXV Module MBB has lost communication with the EXV Module Chiller shut down Automatic Failed EXV Module wiring error loose connections failed transformer wrong address T173 Alert Loss of Communica tion with Energy Man agement Module MBB has lost communication with the Energy Manage m...

Страница 48: ...iller Automatic Failed Master MBB Module wiring error loose connec tions wrong address loss of control power on master chiller T205 Alert Master and Slave Chiller with Same Address The master chiller when con figured has determined that its address is the same as the slave address Dual chiller control dis abled Automatic Master and Slave chiller must have different addresses T206 Alert High Leavin...

Страница 49: ...f the following condition is true for 3 consecutive read ings Po Pe 15 psig 120 sec x Compressor Run Time in sec c On time greater than 120 seconds the alarm will be generated if one of the following conditions is true Po Pe Oil Set Point 1 for 15 seconds Po Ps Oil Set Point 2 for 15 seconds Table 33 Illegal Configurations Alarm A151 A D Analog to Digital Converter CCN Carrier Comfort Network CCP ...

Страница 50: ... terminal strip and interconnecting wiring 1 Check color coding and wire connections Make sure they are connected to the correct terminals at the EXV driver and EXV plug and that the cables are not crossed 2 Check for continuity and tight connection at all pin terminals Check the resistance of the EXV motor windings Remove the EXV module plug J6 for Circuit A J7 for Circuit B and check the resista...

Страница 51: ...anger from changing its structure Failure to do so can result in inter nal or external leakage at the connections which cannot be repaired 7 Braze equalizer line in place if removed Attach econo mizer and motor cooling solenoid coils to their bodies if removed 8 Dehydrate and recharge the circuit Check for leaks NOTE The brazed plate heat economizers are not serviceable If operating problems persi...

Страница 52: ...re tube ID before ordering Can be obtained locally Table 35 Tube Diameters NOTE Tubes replaced along heat exchanger head partitions must be flush with tube sheet TIGHTENING COOLER CONDENSER HEAD BOLTS O Ring Preparation When reassembling cooler and con denser heads always check the condition of the O ring s first The O ring should be replaced if there are any visible signs of deterioration cuts or...

Страница 53: ...velop and monitor a treatment program Condenser Coils 30GXN R only COIL CLEANING For standard aluminum copper and pre coated aluminum fin coils clean the coils with a vacuum cleaner fresh water compressed air or a bristle brush not wire Units installed in corrosive environments should have coil cleaning as part of a planned maintenance schedule In this type of application all accumulations of dirt...

Страница 54: ...zyme Cleaner The optimum solution temper ature is 100 F NOTE DO NOT USE water in excess of 130 F as the enzy matic activity will be destroyed 4 Thoroughly apply Environmentally Sound Coil Cleaner solution to all coil surfaces including finned area tube sheets and coil headers 5 Hold garden sprayer nozzle close to finned areas and apply cleaner with a vertical up and down motion Avoid spraying in h...

Страница 55: ...and the sight glass continues flashing add an additional 5 lb 2 3 kg of liquid charge 5 Allow the unit to stabilize and again check the EXV Percent Open Continue adding 5 lb 2 3 kg at a time of liquid refrigerant charge and allow the unit to stabilize before checking the EXV position 6 When the EXV Percent Open is in the range of 40 to 60 check the liquid line sight glass Slowly add enough additio...

Страница 56: ...tely 10 psig turn the selected compressor Off from the Navigator and move the EOR switch to the Off position 7 Open the liquid line service valve and allow the unit to restart and run normally If the Low Oil Level alarms persist continue following this procedure 8 If none of the previous steps were successful the unit is low on oil charge Add oil to the oil separator using the 1 4 in Schrader type...

Страница 57: ...Close the service valves at the compressor and drain the oil using the bleed port If the oil pressure does not bleed off using this method it will be necessary to remove the entire circuit charge Using a 3 4 in Allen wrench remove the internal filter access cover see Fig 30 Remove the old filter Replacement filters one for each compressor are factory supplied to cover the first changeout After tha...

Страница 58: ... discharge line bolts in a crossing pattern to a range of 81 4 to 135 6 N m 60 to 100 ft lb Tighten motor cooling economizer bolts to a range of 81 4 to 108 5 N m 60 to 80 ft lb Do NOT overtighten as damage may result to O rings 17 Reconnect the oil filter to the shutoff valve and oil line to the compressor Install oil line straight into fitting until ferrule seats against fitting Thread packing n...

Страница 59: ...fficient charge in the system Note however that bubbles in the sight glass do not necessarily indi cate insufficient charge Moisture in the system is measured in parts per million ppm changes of color of indicator are Green moisture is below 80 ppm Yellow green chartreuse 80 to 225 ppm caution Yellow wet above 225 ppm Change filter drier at the first sign of moisture in the system Filter Drier Whe...

Страница 60: ...here is a true short or open circuit at these terminals If one of the thermistors fails disconnect and relocate the wire on one of the S terminals to the other S termi nal S1 to S2 or S2 to S1 The thermistors are not serviceable in the field If both of the compressor motor thermistors fail compressor replacement is required See Table 40 for motor thermistor temperature and resistance values DRIER ...

Страница 61: ...06 88 1 298 3 814 89 1 278 3 726 90 1 257 3 640 91 1 237 3 556 92 1 217 3 474 93 1 198 3 395 94 1 179 3 318 95 1 160 3 243 96 1 141 3 170 97 1 122 3 099 98 1 104 3 031 99 1 086 2 964 100 1 068 2 898 101 1 051 2 835 102 1 033 2 773 103 1 016 2 713 104 0 999 2 655 105 0 983 2 597 106 0 966 2 542 107 0 950 2 488 108 0 934 2 436 109 0 918 2 385 110 0 903 2 335 111 0 888 2 286 112 0 873 2 239 113 0 858...

Страница 62: ...5 225 25 1 538 5 000 26 1 497 4 786 27 1 457 4 583 28 1 417 4 389 29 1 378 4 204 30 1 340 4 028 31 1 302 3 861 32 1 265 3 701 33 1 229 3 549 34 1 194 3 404 35 1 160 3 266 36 1 126 3 134 37 1 093 3 008 38 1 061 2 888 39 1 030 2 773 40 0 999 2 663 41 0 969 2 559 42 0 940 2 459 43 0 912 2 363 44 0 885 2 272 45 0 858 2 184 46 0 832 2 101 47 0 807 2 021 48 0 782 1 944 49 0 758 1 871 50 0 735 1 801 51 0...

Страница 63: ...869 88 2 173 7 685 89 2 144 7 507 90 2 115 7 333 91 2 087 7 165 92 2 059 6 999 93 2 030 6 838 94 2 003 6 683 95 1 975 6 530 96 1 948 6 383 97 1 921 6 238 98 1 894 6 098 99 1 867 5 961 100 1 841 5 827 101 1 815 5 698 102 1 789 5 571 103 1 763 5 449 104 1 738 5 327 105 1 713 5 210 106 1 688 5 095 107 1 663 4 984 108 1 639 4 876 109 1 615 4 769 110 1 591 4 666 111 1 567 4 564 112 1 544 4 467 113 1 52...

Страница 64: ...6 34 2 025 6 806 35 1 975 6 530 36 1 926 6 266 37 1 878 6 014 38 1 830 5 774 39 1 784 5 546 40 1 738 5 327 41 1 692 5 117 42 1 648 4 918 43 1 605 4 727 44 1 562 4 544 45 1 521 4 370 46 1 480 4 203 47 1 439 4 042 48 1 400 3 889 49 1 362 3 743 50 1 324 3 603 51 1 288 3 469 52 1 252 3 340 53 1 217 3 217 54 1 183 3 099 55 1 150 2 986 56 1 117 2 878 57 1 086 2 774 58 1 055 2 675 59 1 025 2 579 60 0 996...

Страница 65: ...d may take up to 30 seconds When some flow is detected but not enough for machine operation a red LED at the far left will be illuminated With increasing flow successive red LEDs illuminate When the switch determines flow is present the amber LED illumi nates indicating the output has closed This is not an indica tion of minimum flow Increasing flow above the amber LED output indication illuminate...

Страница 66: ...PT A OPT A1 OPT B1 SPT A EPT B SPT B DPT B DPT A EPT B DPT A DPT B SPT B OPT B EPT A SPT A OPT A Fig 35B 30HX Pressure Transducer Locations 3 Compressor Unit Fig 35C 30GXN R Pressure Transducer Locations Top View ...

Страница 67: ... PASS 1 61 41 2 83 72 2 36 60 4 1 2 3 M12 x 4 PIN MALE 1 38 35 3 25 82 6 47 12 o 305 7 75 2 4 BLK BLU BRN L1 N 24VAC EXTERNAL RELAY COIL WIRING DIAGRAM 1 4 NPT AMBER RED GREEN OUTPUT ENERGIZED FLOW BELOW SET POINT FLOW ABOVE SET POINT And associated modular units Fig 36 30GXN R Flow Sensor Fig 37 Chilled Water Flow Switch LED Display ...

Страница 68: ...NPT connections for relief The 30GXN R oil separators have 1 2 in male flare connections Some local building codes require that relieved gases be removed This connection allows conformance to this requirement Control Modules MAIN BASE BOARD MBB SCREW COMPRESSOR BOARD SCB EXPANSION VALVE BOARD EXV ENERGY MANAGEMENT MODULE EMM COMFORTLINK COMPRESSOR PROTECTION BOARDS CCP AND THE NAVIGATOR All of the...

Страница 69: ... Follow the Configuration mode table and verify that all items under sub modes UNIT OPT1 and OPT2 are correct Any additional field installed accessories or options sub mode RSET SLCT should also be verified SYMPTOMS CAUSE REMEDY COMPRESSOR DOES NOT RUN Power line open Control fuse open High Pressure Switch HPS tripped Loose terminal connection Improperly wired controls Low line voltage Compressor ...

Страница 70: ...suitable corrosion inhibitive antifreeze for 15 F 8 3 C below the expected low ambient conditions 5 gallon 19 L minimum 4 Leave the cooler filled with the antifreeze solution for the winter or drain if desired Be sure to deenergize heaters if installed as explained in Step 1 to prevent damage Use an approved method of disposal when removing the antifreeze solution 5 Update item W DNE Winterization...

Страница 71: ... pumps valves compres sors fans etc as listed in the Start Up Checklist 12 Open condenser water valves Check condenser water pump for proper operation 30HXC START UP AND OPERATION Actual Start Up Actual start up should be done only under supervision of a qualified refrigeration mechanic and qualified Carrier Comfort Network personnel 1 Set leaving fluid temperature No cooling range adjust ment is ...

Страница 72: ...er Pump Relay CWP Chilled Water Pump EMM Energy Management Module EWT Entering Water Thermistor FIOP Factory Installed Option FSR Flow Switch Relay FU Fuse GFI CO Ground Fault Interrupter Convenience Outlet GND Ground LLSV Liquid Line Solenoid Valve LWT Leaving Water Thermistor MBB Main Base Board MLV Minimum Load Valve NEC National Electrical Code OAT Outdoor Air Thermistor SCB Screw Compressor B...

Страница 73: ...HX Minimum Load Valve Accessory Wiring 115 or 230 V Fig 45 Condenser Pump Relay Wiring 30HXC and Remote Condenser Fan Liquid Line Solenoid Valve Wiring 30HXA 115 or 230 V Fig 46 Chilled Water Interlock and Flow Switch Input Wiring MBB Fig 47 Remote On Off Switch Input Wiring MBB 1 3 ...

Страница 74: ...7 F 25 C All Units Field Supplied Fig 51 Motormaster Option 30GXN R Units NOTE Install a 500 Ω resistor across output terminals to convert output signal to 2 10 vdc Fig 52 Field Supplied Head Pressure Device Wiring 30HX Units Fig 53 Service Port Option or Accessory Wiring 30GX Units NOTE Use signal converter for input types other than 4 20 mA Fig 54 Energy Management Module Option or Accessory Wir...

Страница 75: ... 6 8 314 214 460 60 1 2 4 1 2 3 5 144 96 230 50 2 3 4 5 6 7 1 3 4 8 308 206 380 415 50 1 3 4 5 7 8 1 2 4 5 7 186 124 093 575 60 1 2 3 6 1 2 3 4 6 8 104 70 380 60 1 2 5 8 1 2 3 7 158 108 230 60 1 4 6 7 1 2 260 176 208 230 60 1 5 1 3 4 6 7 288 196 460 60 1 2 4 6 7 8 1 2 3 5 6 130 88 230 50 1 4 7 1 3 4 5 6 8 268 182 380 415 50 1 2 6 7 8 1 2 3 8 162 110 106 575 60 1 2 4 7 1 2 3 4 8 140 78 380 60 1 3 5...

Страница 76: ...83B 303B 373B 575 60 1 2 5 7 8 1 2 4 5 154 128 380 60 1 3 7 8 1 3 4 6 7 8 234 194 230 60 2 4 6 7 2 3 4 5 388 320 208 230 60 2 7 2 3 6 7 8 428 354 460 60 1 3 4 6 7 8 1 2 5 194 160 230 50 2 4 8 2 3 4 6 7 398 324 380 415 50 1 3 1 3 4 7 8 240 202 150 370B 575 60 1 2 4 5 1 3 4 5 7 128 188 380 60 1 3 4 6 7 8 1 5 8 194 286 230 60 2 3 4 5 3 5 6 320 472 208 230 60 2 3 6 7 8 4 7 8 354 522 460 60 1 2 5 1 3 7...

Страница 77: ... 522 460 60 1 3 7 1 2 4 6 8 1 3 7 236 134 236 230 50 3 6 1 5 6 7 3 6 488 276 488 380 415 50 1 6 8 1 2 6 8 1 6 8 294 166 294 228 453A B 478B 575 60 1 3 4 5 7 1 2 5 7 8 1 2 4 5 188 154 128 380 60 1 5 8 1 3 7 8 1 3 4 6 7 8 286 234 194 230 60 3 5 6 2 4 6 7 2 3 4 5 472 388 320 208 230 60 4 7 8 2 7 2 3 6 7 8 522 428 354 460 60 1 3 7 1 3 4 6 7 8 1 2 5 236 194 160 230 50 3 6 7 2 4 8 2 3 5 7 484 398 348 38...

Страница 78: ... 4 6 8 1 3 7 1 2 4 6 8 236 134 236 134 380 415 50 1 6 8 1 2 6 8 1 6 8 1 2 6 8 294 166 294 166 301 575 60 1 3 4 5 7 1 2 4 5 1 3 4 5 7 1 2 4 5 188 128 188 128 380 60 1 5 8 1 3 4 6 7 8 1 5 8 1 3 4 6 7 8 286 194 286 194 460 60 1 3 7 1 2 5 1 3 7 1 2 5 236 160 236 160 380 415 50 1 6 8 1 3 4 7 8 1 6 8 1 3 4 7 8 294 202 294 202 325 575 60 1 3 4 5 7 1 2 5 7 8 1 3 4 5 7 1 2 5 7 8 188 154 188 154 380 60 1 5 ...

Страница 79: ...5 60 1 2 3 5 1 2 3 4 6 7 8 96 66 380 60 1 2 4 1 2 3 6 8 144 102 230 60 1 3 1 2 6 240 168 208 230 60 1 4 7 8 1 3 4 5 7 8 266 186 460 60 1 2 4 5 6 1 2 3 5 6 7 120 84 230 50 1 4 5 6 1 2 7 248 172 380 415 50 1 2 5 6 8 1 2 3 6 150 104 106 575 60 1 2 4 7 8 1 2 3 4 7 8 138 74 380 60 1 3 5 6 7 8 1 2 3 210 112 230 60 2 3 5 6 1 3 4 5 6 344 184 208 230 60 2 4 5 8 1 3 4 7 382 204 460 60 1 2 7 1 2 3 5 7 172 92...

Страница 80: ...5 50 1 4 7 8 1 3 5 6 8 266 214 178 328A 353A B 575 60 1 2 7 8 1 2 7 8 170 170 380 60 1 4 6 7 8 1 4 6 7 8 258 258 230 60 2 7 2 7 428 428 208 230 60 3 5 6 3 5 6 472 472 460 60 1 3 5 6 8 1 3 5 6 8 214 214 230 50 3 4 5 6 3 4 5 6 440 440 380 415 50 1 4 7 8 1 4 7 8 266 266 208 575 60 1 2 4 6 1 2 4 6 1 2 4 5 6 8 136 136 118 380 60 1 3 4 7 1 3 4 7 1 3 4 5 6 7 8 204 204 178 230 60 2 3 5 6 7 8 2 3 5 6 7 8 2...

Страница 81: ...3 60 1 2 3 6 7 8 1 2 3 4 5 6 8 98 54 380 3 60 1 2 5 6 7 1 2 3 5 6 7 8 148 82 230 3 60 1 4 5 6 8 1 2 4 6 246 136 208 230 3 60 1 4 1 2 5 6 272 152 460 3 60 1 2 4 5 7 8 1 2 3 4 6 7 122 68 230 3 50 1 4 5 7 1 2 4 8 252 142 380 415 3 50 1 2 5 6 1 2 3 5 6 8 152 86 116 575 3 60 1 2 3 6 7 8 1 2 3 4 6 7 8 98 66 380 3 60 1 2 5 6 7 1 2 3 6 7 148 100 230 3 60 1 4 5 6 8 1 2 6 8 246 166 208 230 3 60 1 4 1 3 4 5 ...

Страница 82: ...28 380 3 60 1 2 6 7 8 1 2 3 5 7 8 1 3 4 6 7 8 162 90 194 230 3 60 1 4 7 8 1 2 5 6 8 2 3 4 5 266 150 320 208 230 3 60 1 6 1 2 6 8 2 3 6 7 296 166 356 460 3 60 1 2 4 6 8 1 2 3 4 7 8 1 2 5 134 74 160 230 3 50 1 4 1 2 5 7 8 2 3 4 7 8 272 154 330 380 415 3 50 1 2 6 7 1 2 3 5 7 1 3 4 6 164 92 200 246 575 3 60 1 2 4 5 1 2 3 5 6 1 2 4 5 128 88 128 380 3 60 1 3 4 6 7 8 1 2 4 6 8 1 3 4 6 7 8 194 134 194 230...

Страница 83: ...26 106 575 3 60 1 2 4 8 1 2 3 4 142 80 380 3 60 1 3 5 6 1 2 4 5 7 8 216 122 230 3 60 2 3 6 8 1 3 4 7 8 358 202 208 230 3 60 2 4 8 1 3 5 398 224 460 3 60 1 3 4 5 6 7 8 1 2 3 6 7 178 100 230 3 50 2 4 5 6 8 1 3 5 6 7 8 374 210 380 415 3 50 1 3 6 7 8 1 2 4 5 8 226 126 116 575 3 60 1 2 4 8 1 2 3 5 142 96 380 3 60 1 3 5 6 1 2 5 6 7 8 216 146 230 3 60 2 3 6 8 1 4 5 6 7 8 358 242 208 230 3 60 2 4 8 1 4 7 ...

Страница 84: ... 1 3 4 6 7 160 90 196 380 3 60 1 4 5 6 7 1 2 4 6 1 7 8 244 136 298 230 3 60 2 5 6 7 8 1 3 6 7 8 3 7 8 402 226 490 208 230 3 60 3 4 5 8 1 4 5 7 5 446 252 544 460 3 60 1 3 4 7 8 1 2 4 5 6 7 8 1 4 5 6 8 202 114 246 230 3 50 2 5 1 3 7 4 6 8 416 236 518 380 415 3 50 1 4 5 7 1 2 4 8 2 3 4 5 6 252 142 312 246 575 3 60 1 3 4 6 7 1 2 4 6 7 1 3 4 6 7 196 132 196 380 3 60 1 7 8 1 3 4 6 1 7 8 298 200 298 230 ...

Страница 85: ...1 is energized The capacity shown for Stage 3B above is calculated as follows Total Capacity 0 40 x 80 0 70 x 56 80 56 x 100 52 4 Nominal Tons STANDARD LOADING SEQUENCE CIRCUIT A LEAD CIRCUIT 2 COMPRESSOR UNIT STAGE COMP A1 LOADER A1 LOADER A2 COMP B1 LOADER B1 LOADER B2 TOTAL CAPACITY 50 50 Split TOTAL CAPACITY 59 41 Split 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 20 0 23 5 2 1 1 0 0 0 0 35 0 41 1 3 1 ...

Страница 86: ...ITY 57 43 Split TOTAL CAPACITY 67 33 Split 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 14 3 13 3 2 1 1 0 0 0 0 0 25 0 23 3 3 1 1 1 0 0 0 0 35 7 33 3 4 1 1 0 0 1 1 0 55 2 46 7 5 1 1 0 0 1 1 1 68 2 56 7 6 1 1 1 0 1 1 1 78 9 66 7 7 1 1 0 1 1 1 1 83 0 80 0 8 1 1 1 1 1 1 1 100 0 100 0 CLOSE CONTROL LOADING SEQUENCE CIRCUIT A LEAD CIRCUIT 3 COMPRESSOR UNIT STAGE COMP A1 LOADER A1 LOADER A2 COMP A2 COMP B1 L...

Страница 87: ...d The capacity shown for Stage 4 above is calcu lated as follows Total Capacity 0 70 x 66 0 70 x 39 0 0 x 80 66 39 80 x 100 39 7 3 The loading sequence for 30GXN R204 264 units is the same as those shown for the 30HX206 271 above STANDARD LOADING SEQUENCE CIRCUIT A LEAD CIRCUIT 3 COMPRESSOR UNIT STAGE COMP A1 LOADER A1 LOADER A2 COMP A2 COMP B1 LOADER B1 LOADER B2 TOTAL CAPACITY 57 43 Split TOTAL ...

Страница 88: ...AL CAPACITY 50 50 Split 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 10 0 2 1 1 0 0 0 0 0 0 18 0 3 1 1 1 0 0 0 0 0 25 0 4 1 1 0 0 1 1 0 0 35 0 5 1 1 1 0 1 1 0 0 43 0 6 1 1 1 0 1 1 1 0 50 0 7 1 1 0 1 1 1 1 0 60 0 8 1 1 0 1 1 1 0 1 70 0 9 1 1 1 1 1 1 0 1 85 0 10 1 1 1 1 1 1 1 1 100 0 CLOSE CONTROL LOADING SEQUENCE CIRCUIT A LEAD CIRCUIT 4 COMPRESSOR UNIT STAGE COMP A1 LOADER A1 LOADER A2 COMP A2 COMP B1 ...

Страница 89: ... B1 LOADER B2 COMP B2 TOTAL CAPACITY 50 50 Split 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 10 0 2 1 1 0 0 0 0 0 0 18 0 3 1 1 1 0 0 0 0 0 25 0 4 1 1 0 1 0 0 0 0 35 0 5 1 1 1 1 0 0 0 0 50 0 6 1 1 1 1 1 1 0 0 68 0 7 1 1 1 1 1 1 1 0 75 0 8 1 1 1 1 1 1 0 1 85 0 9 1 1 1 1 1 1 1 1 100 0 CLOSE CONTROL LOADING SEQUENCE CIRCUIT A LEAD CIRCUIT 4 COMPRESSOR UNIT STAGE COMP A1 LOADER A1 LOADER A2 COMP A2 COMP B1...

Страница 90: ...32 30GXN R204 268 1P 30HX206 271 1P Insulation Kit 18 3 Pass Cooler with Economizer Tubesheets and heads 30GX 900 036 30GXN R281 350 1P Insulation Kit 20 3 Pass Cooler with Economizer Tubesheets and heads 30GX 900 038 30GXN R281 350 1P Insulation Kit 20 1 Pass Cooler with Economizer Tubesheets and heads 30GX 900 045 30GXN R303A 390B 415B STD Insulation Kit 16 1 Pass Cooler with Economizer Tubeshee...

Страница 91: ...l Transformer 30HX 900 034 30HX 575 V Control Transformer 30GX 900 050 30GXN R 230 V 460 V Control Transformer 080 178 30GX 900 051 30GXN R 575 V Control Transformer 080 178 30GX 900 052 30GXN R 208 V Control Transformer 080 178 30GX 900 055 30GXN R 230 V 460 V Control Transformer 204 350 30GX 900 056 30GXN R 575 V Control Transformer 204 350 30GX 900 057 30GXN R 208 V Control Transformer 204 350 ...

Страница 92: ... RW RO RO RW RO RW NA RO NA RW RO RO RW NA RW CIRCADIO CIRC A DISCRETE OUTPUTS Compressor A1 Relay Compressor A2 Relay Loader A1 Relay Loader A2 Relay Minimum Load Valve Oil Heater Motor Cooling A1 Solenoid Motor Cooling A2 Solenoid Oil Pump Oil Solenoid A1 Oil Solenoid A2 CIRC A DISCRETE INPUTS Compressor A1 Feedback Compressor A2 Feedback Oil Level Switch Off On Off On Off On Off On Off On Off O...

Страница 93: ...l Pressure B2 Motor Temperature Comp B2 Running Current Comp B2 Must Trip Amps 0 to 100 0 to 100 0 to 1200 nnn n nnn n nnn n snnn n nnn n nnn n nnn n snnn n snnn n 0 to 100 0 to 100 nnn n nnn n nnn n 0 to 600 0 to 100 nnn n nnn n nnn n 0 to 600 0 to 100 Amps PSIG KPA PSIG KPA PSIG KPA F C F C F C F C F C F C PSIG KPA PSIG KPA F C Amps PSIG KPA PSIG KPA F C Amps CAPB_T CAPB_A B_CURR DP_B SP_B ECNP_...

Страница 94: ... to 0 0 80 to 140 26 7 to 60 0 80 to 140 26 7 to 60 0 0 2 to 2 0 0 1 to 1 1 0 2 to 2 0 0 1 to 1 1 80 to 140 26 7 to 60 0 80 to 140 26 7 to 60 0 0 1 to 20 0 F C F C F C F C F C F C F C F C CSP1 CSP2 CSP3 HSP1 HSP2 CRAMP HRAMP HSP_A HSP_B APRCH_SP NA NA NA NA NA NA NA NA NA NA RW RW RW RW RW RW RW RW RW RW RW NA NA RW NA NA NA NA NA NA OCCPC01S Timed Override Hours Period 1 DOW MTWTFSSH Occupied Tim...

Страница 95: ...271 096 106 186 206 100 10 1 100 1000 COOLER FLOW RATE GPM PRESSURE DROP FT WG 076 086 096 106 116 126 136 146 161 171 186 206 246 271 1000 100 10 1 1 10 100 COOLER FLOW RATE L S PRESSURE DROP KPA Unit Size Range NOTE Ft of water 2 31 x psig 30HX COOLER PRESSURE DROP ENGLISH Unit Size Range 30HX COOLER PRESSURE DROP SI ...

Страница 96: ...96 APPENDIX E cont Unit Size Range NOTE Ft of water 2 31 x psig 30HX CONDENSER PRESSURE DROP ENGLISH Unit Size Range 30HX CONDENSER PRESSURE DROP SI ...

Страница 97: ... 8 2 4 9 2 5 3 2 6 4 2 6 8 0 8 0 0 8 3 0 9 0 0 9 3 1 0 6 1 0 8 1 1 4 1 1 8 1 2 5 1 3 5 1 2 8 1 3 8 1 5 0 1 5 3 1 6 0 1 6 3 1 7 4 1 7 8 200 100 90 80 70 60 50 40 30 20 10 10 20 30 40 COOLER FLOW RATE L s PRESSURE DROP kPa 1000 100 10 1 10 100 COOLER FLOW RATE L s PRESSURE DROP kpa 204 208 225 228 249 253 264 268 NOTE Ft of water 2 31 x psig 30GXN R080 178 COOLER PRESSURE DROP ENGLISH 30GXN R080 178...

Страница 98: ...0 1 100 COOLER FLOW RATE GPM 10000 PRESSURE DROP ft wg 1000 100 10 1 10 COOLER FLOW RATE L s 100 PRESSURE DROP kpa 30GXN R281 350 COOLER PRESSURE DROP ENGLISH NOTE Ft of water 2 31 x psig 30GXN R281 350 COOLER PRESSURE DROP SI ...

Страница 99: ...ROP ft wg 283 303 415 390 370 100 10 1 100 1000 10000 COOLER FLOW RATE GPM PRESSURE DROP ft wg 328 353 373 393 418 500 503 525 528 450 453 475 478 30GXN R283 303 370 390 415 DUPLEX COOLER PRESSURE DROP ENGLISH 30GXN R328 353 373 393 418 528 DUPLEX COOLER PRESSURE DROP ENGLISH ...

Страница 100: ...ESSURE DROP kPa 1 283 303 415 390 370 100 COOLER FLOW RATE L s 10 100 10 PRESSURE DROP kPa 1 328 353 373 393 418 500 503 525 528 450 453 475 478 30GXN R283 303 370 390 415 DUPLEX COOLER PRESSURE DROP SI 30GXN R328 353 373 393 418 528 DUPLEX COOLER PRESSURE DROP SI ...

Страница 101: ...7 EXV Flow Switch Cooler Heater Option Sightglass Dry Eye Motor Cooling Solenoid Valve Muffler Oil Heater Oil Heater Muffler Oil Filter External Oil Level Switch Equalizer Line Relief Valve Back Pressure Valve 2 Condenser Fans Condenser Coil Condenser Coil Liquid Line Service Valve Strainer Filter Drier Check Valve Check Valve Typical System Components 30GXN GXR080 106 114 Without Economizer LEGEN...

Страница 102: ...Heater Oil Heater Muffler Oil Filter External Oil Level Switch Equalizer Line Relief Valve Back Pressure Valve 2 Condenser Fans Condenser Coil Condenser Coil Liquid Line Service Valve Strainer Filter Drier Econo Serv Valve SSV Option Economizer TXV Solenoid Valve Economizer TXV Econo Serv Valve SSV Option Economizer Economizer TXV TXV Solenoid Valve Check Valve Check Valve Typical System Component...

Страница 103: ...tor Cooling Solenoid Valve 6 Loader 2 Loader 1 5 4 Oil Filter Internal Muffler Econ Solenoid Minimum Load Control Solenoid Option Minimum Load Control Valve Option 2 Oil Heater Oil Level Switch Relief Valve Check Valve Typical System Components 30GXN GXR204 268 Circuit A 30GXN GXR281 350 Circuit A and B With Economizer LEGEND EXV Electronic Expansion Valve SSV Suction Service Valve TXV Thermostati...

Страница 104: ...er Heater Option Muffler Oil Heater Condenser Fans Condenser Coil Condenser Coil Economizer Economizer TXV TXV Solenoid Valve Econo Serv Valve SSV Option Check Valve Typical System Components 30GXN GXR204 268 Circuit B With Economizer LEGEND EXV Electronic Expansion Valve SSV Suction Service Valve TXV Thermostatic Expansion Valve 1 Suction Pressure Transducer 2 Discharge Pressure Transducer 3 Econ...

Страница 105: ... SSV Option Oil Level Switch Oil Level Indicating Sightglasses Oil Level Switch Oil Level Indicating Sightglasses 6 5 4 Relief Valve Oil Filter External Relief Valve 2 Oil Pump 2 6 1 3 7 3 4 w o SSV Option Relief Valve SSV Option Filter Drier Oil Filter Internal 9 10 Check Valve Check Valve Typical System Components 30HXC076 146 Without Economizer LEGEND EXV Electronic Expansion Valve SSV Suction ...

Страница 106: ... Level Indicating Sightglasses 6 5 4 Relief Valve Oil Filter External Relief Valve 2 Oil Pump 2 6 1 3 7 3 4 w o SSV Option Relief Valve SSV Option Strainer Filter Drier Oil Filter Internal 9 10 Economizer TXV Service Valve SSV Option Economizer Economizer TXV Service Valve SSV Option Check Valve Check Valve Typical System Components 30HXC161 186 With Economizer LEGEND EXV Electronic Expansion Valv...

Страница 107: ...n Discharge Service Valve w o SSV Option Relief Valve SSV Option Muffler w o SSV Option Relief Valve SSV Option Oil Level Switch Oil Level Indicating Sightglasses Check Valve Typical System Components 30HXC206 271 Circuit A With Economizer LEGEND EXV Electronic Expansion Valve SSV Suction Service Valve TXV Thermostatic Expansion Valve 1 Suction Pressure Transducer 2 Discharge Pressure Transducer 3...

Страница 108: ...lief Valve 10 9 Liquid Line Solenoid Valve Brine Option Oil Level Switch Oil Level Indicating Sightglasses Check Valve Typical System Components 30HXC206 271 Circuit B With Economizer LEGEND EXV Electronic Expansion Valve SSV Suction Service Valve TXV Thermostatic Expansion Valve 1 Suction Pressure Transducer 2 Discharge Pressure Transducer 3 Economizer Pressure Transducer 4 Oil Pressure Transduce...

Страница 109: ...il Level Switch Oil Level Switch Relief Valve 2 6 Equalizer Line Field Supplied Connected From Condenser From Condenser w o SSV Option Relief Valve SSV Option w o SSV Option Relief Valve SSV Option To Condenser To Condenser Strainer Filter Drier Liquid Line Servive Valve EXV Filter Drier Strainer 3 3 Check Valve Check Valve Typical System Components 30HXA076 146 Without Economizer LEGEND EXV Elect...

Страница 110: ...omizer TXV Economizer Economizer TXV 6 Back Pressure Valve Relief Valve 2 Oil Level Switch Oil Level Switch Relief Valve 2 6 Equalizer Line Field Supplied Connected From Condenser From Condenser w o SSV Option Relief Valve SSV Option w o SSV Option Relief Valve SSV Option To Condenser To Condenser Service Valve SSV Option Check Valve Check Valve Service Valve SSV Option Typical System Components 3...

Страница 111: ...SSV Option w o SSV Option Relief Valve SSV Option To Condenser Loader 1 Loader 2 Oil Filter Internal Oil Pump 4 5 Muffler Oil Filter External 6 3 Service Valve SSV Option Loader 2 Loader 1 5 4 Muffler 6 Economizer Solenoid 2 Economizer Solenoid Check Valve Typical System Components 30HXA206 271 Circuit A With Economizer LEGEND EXV Electronic Expansion Valve SSV Suction Service Valve TXV Thermostat...

Страница 112: ...SV Option Relief Valve SSV Option To Condenser 7 Flow Switch Service Valve SSV Option Minimum Load Control Valve Option Check Valve Typical System Components 30HXA206 271 Circuit B With Economizer LEGEND EXV Electronic Expansion Valve SSV Suction Service Valve TXV Thermostatic Expansion Valve 1 Suction Pressure Transducer 2 Discharge Pressure Transducer 3 Economizer Pressure Transducer 4 Oil Press...

Страница 113: ...2 Solenoid On Off MTRCL_A2 N Oil Pump On Off OILPMP_A N Oil Solenoid A1 On Off OILSL_A1 N Oil Solenoid A2 On Off OILSL_A2 N CIRC A DISCRETE INPUTS Compressor A1 Feedback On Off K_A1_FBK N Compressor A2 Feedback On Off K_A2_FBK N Oil Level Switch Close Open OILA_SW N DESCRIPTION STATUS UNITS POINT FORCIBLE CIRCUIT A ANALOG VALUES Percent Total Capacity 0 100 CAPA_T N Percent Available Cap 0 100 CAP...

Страница 114: ...UES Percent Total Capacity 0 100 CAPB_T N Percent Available Cap 0 100 CAPB_A N Circuit Running Current 0 1200 AMPS B_CURR N Discharge Pressure nnn n PSIG DP_B N Suction Pressure nnn n PSIG SP_B N Economizer Pressure nnn n PSIG ECNP_B N Discharge Superheat Temp snnn n F SH_B N Discharge Gas Temp nnn n F DISTMP_B N Discharge Gas Temp B1 nnn n F DISTMPB1 N Discharge Gas Temp B2 nnn n F DISTMPB2 N Sat...

Страница 115: ...ay On Off COND_PMP N MISCELLANEOUS Dual Setpoint Switch On Off DUAL_IN N Cooler Flow Switch On Off COOLFLOW N Condenser Flow Switch On Off CONDFLOW N Ice Done Yes No ICE N Cooler Heater On Off COOL_HTR N 4 20 ma Cooling Setpoint nn n ma CSP_IN N 4 20 ma Heating Setpoint nn n ma HSP_IN N Liq Line Solenoid Valve Open Close LLSV N Dual Chiller Size nnn Tons SIZE_DPX N Dual Chiller Pct Total Cap 0 100...

Страница 116: ... Broadcast Yes No No CCNBC CCN OAT Broadcast Yes No No OATBC Global Schedule Broadcast Yes No No GSBC Broadcast Acknowledger Yes No No CCNBCACK Daylight Savings Start Month 1 to 12 4 STARTM Week 1 to 5 1 STARTW Day 1 to 7 7 STARTD Minutes to Add 0 to 99 60 min MINADD Daylight Savings Stop Month 1 to 12 10 STOPM Week 1 to 5 5 STOPW Day 1 to 7 7 STOPD Minutes to Subtract 0 to 99 60 min MINSUB DESCRI...

Страница 117: ...BMINS EXVB Maximum Steps Type 0 1500 Type 1 15000 15000 STEPS EXVBMAXS EXVB Overrun Steps Type 0 100 Type 1 1000 1000 STEPS EXVBOVRS DESCRIPTION STATUS UNITS POINT Timed Override Hours 0 hours OVR EXT Period 1 DOW MTWTFSSH 00000000 DOW1 Occupied from 00 00 OCCTOD1 Occupied to 00 00 UNOCTOD1 Period 2 DOW MTWTFSSH 00000000 DOW2 Occupied from 00 00 OCCTOD2 Occupied to 00 00 UNOCTOD2 Period 3 DOW MTWT...

Страница 118: ...ing 2 Staged loading 1 SEQ_TYPE Lead Lag Sequence Select 1 Automatic 2 Circuit A leads 3 Circuit B leads 1 LEAD_TYP Compressor Sequence 1 Automatic 2 Compressor 1 Leads 3 Compressor 2 Leads 1 COMP_SEQ Cooling Setpoint Select 0 Single 1 Dual remote switch controlled 2 Dual 7 day clock controlled 3 Dual CCN occupancy controlled 4 4 20 mA input 0 CLSP_TYP Heating Setpoint Select 0 Single 1 Dual remot...

Страница 119: ... dF HREM_FUL Remote Degrees Reset 30 to 30 0 F HREM_DEG RETURN TEMPERATURE RESET Return No Reset Temp 0 to 10 10 F HRTN_NO Return Full Reset Temp 0 to 30 0 F HRTN_FUL Return Degrees Reset 30 to 30 0 F HRTN_DEG DEMAND LIMIT Demand Limit Select 0 None 1 External Switch Input 2 4 to 20 mA Input 3 Loadshed 0 DMD_CTRL Demand Limit at 20 mA 0 to 100 100 DMT20MA Loadshed Group Number 0 to 99 0 SHED_NUM L...

Страница 120: ...rge Super Setpoint 10 to 40 22 0 F DSH_SP EXV Circ A Min Position 0 to 100 8 0 EXVAMINP EXV Circ B Min Position 0 to 100 8 0 EXVBMINP Fan Staging Select 1 to 8 1 FAN_TYPE Compr A1 Must Trip Amps 10 to 560 0 CA1_MTA Compr A2 Must Trip Amps 10 to 560 0 CA2_MTA Compr B1 Must Trip Amps 10 to 560 0 CB1_MTA Compr B2 Must Trip Amps 10 to 560 0 CB2_MTA Economized No Yes Yes ECON_SEL Number of Evap Passes ...

Страница 121: ...C Active Alarm 24 Axxx or Txxx ALARM24C Active Alarm 25 Axxx or Txxx ALARM25C DESCRIPTION STATUS POINT CSM controlling Chiller ON OFF MODE_1 WSM controlling Chiller ON OFF MODE_2 Master Slave control ON OFF MODE_3 Low Source Protection ON OFF MODE_4 Ramp Load Limited ON OFF MODE_5 Timed Override in effect ON OFF MODE_6 Low Cooler Suction TempA ON OFF MODE_7 Low Cooler Suction TempB ON OFF MODE_8 S...

Страница 122: ...anded Off Yes No LAG_OFF Dual Chill Lead CapLimit 0 100 DCLDCAPL Dual Chill Lag CapLimit 0 100 DCLGCAPL DESCRIPTION STATUS UNITS POINT CAPACITY CONTROL Load Unload Factor snnn n SMZ Control Point snnn n F CTRL_PNT Leaving Fluid Temp snnn n F LWT Calculated Z factor n n Z_CALC Capacity Trans State n CAP_TRAN DESCRIPTION STATUS UNITS POINT MISCELLANEOUS Options Temp 1 EXV AN2 snnn n F OPT_TMP1 Optio...

Страница 123: ... Circuit A Run Hours nnnnnn hours ABS_CYM Compressor A1 Run Hours nnnnnn hours ABS_HRA1 Compressor A2 Run Hours nnnnnn hours ABS_HRA2 Circuit B Run Hours nnnnnn hours ABS_HRB Compressor B1 Run Hours nnnnnn hours ABS_HRB1 Compressor B2 Run Hours nnnnnn hours ABS_HRB2 Circuit A Starts nnnnnn ABS_CYA Compressor A1 Starts nnnnnn ABS_CYA1 Compressor A2 Starts nnnnnn ABS_CYA2 Circuit B Starts nnnnnn ABS...

Страница 124: ...or Coolng A2 Solenoid On Off S_MCS_A2 Motor Coolng B1 Solenoid On Off S_MCS_B1 Motor Coolng B2 Solenoid On Off S_MCS_B2 FAN 1 Relay On Off S_FAN_1 FAN 2 Relay On Off S_FAN_2 FAN 3 Relay On Off S_FAN_3 FAN 4 Relay On Off S_FAN_4 Oil Heater On Off S_OHTR_A Oil Heater On Off S_OHTR_B Oil Pump On Off S_OPMP_A Oil Pump On Off S_OPMP_B Cooler Pump Relay On Off S_CL_PMP Condenser Pump Relay On Off S_CN_P...

Страница 125: ...erted 00 00 00 00 00 WALRT02 Date Winterize Alerted 00 00 00 00 00 WALRT03 Date Winterize Alerted 00 00 00 00 00 WALRT04 Date Winter Configured 00 00 00 00 00 WCONF00 Date Winter Unconfigured 00 00 00 00 00 WUCONF00 Date Winter Configured 00 00 00 00 00 WCONF01 Date Winter Unconfigured 00 00 00 00 00 WUCONF01 Date Winter Configured 00 00 00 00 00 WCONF02 Date Winter Unconfigured 00 00 00 00 00 WUC...

Страница 126: ...ns SIZE MODULE A MODULE B 283 153 138 303 163 138 328 178 153 353 178 178 370 225 150 373 253 138 390 264 135 393 253 153 415 264 160 418 268 153 450 225 225 453 228 228 475 249 225 478 253 228 500 249 249 503 253 253 525 264 264 528 268 268 ...

Страница 127: ...decimal point blinks Use and to scroll to the desired parameter number Use the and buttons to scroll to the desired parameter number Once the desired parameter number is found press the Mode button to display the present parameter setting The upper right hand decimal point will begin blinking indicating that the present parameter setting is being displayed and that it can be changed by using the u...

Страница 128: ...Acceleration time 10 sec 10 10 10 10 P20 Deceleration time 10 sec 10 10 10 10 P21 Dc brake time 0 0 0 0 0 P22 DC BRAKE VOLTAGE 0 0 0 0 0 P23 Min freq 8 hz 100 160 rpm 8 8 8 8 P24 Max freq 60 60 50 50 P25 Current limit 125 125 110 110 P26 Motor overload 100 100 100 100 100 P27 Base freq 60 or 50 Hz 60 60 50 50 P28 Fixed boost 0 5 at low frequencies 0 5 0 5 0 5 0 5 P29 Accel boost 0 0 0 0 0 P30 Slip...

Страница 129: ...gh DC Bus Voltage Fault Line voltage is too high Deceleration rate is too fast Overhauling load Check line voltage set P01 appropriately JF Serial Fault The watchdog timer has timed out indicating that the serial link has been lost Check serial connection computer Check settings for P15 Check settings in communication software to match P15 LF Low DC Bus Voltage Fault Line voltage is too low Check ...

Страница 130: ..._________________________________________________________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________________________________________________ _____________________________________________________________________...

Страница 131: ...rt up Performed By _____________________________________________________________ Design Information Equipment Model ____________________________________ Serial ________________________________ Compressors A1 Model _________________________________ Serial ________________________________ A2 Model _________________________________ Serial ________________________________ B1 Model ____________________...

Страница 132: ...2 2 m s or greater are anticipated at outdoor ambient temperatures below 32 F 0 C Chilled Water System Check 1 All chilled water valves are open Yes No 2 All piping is connected properly Yes No 3 All air has been purged from the system Yes No 4 Chilled water pump is operating with the correct rotation Yes No 5 Chilled water pump starter interlocked with chiller Yes No 6 Inlet piping to cooler incl...

Страница 133: ...nt piping and condenser have been leak checked and evacuated Yes No III Unit Start Up 1 All liquid line valves are open Yes No 2 All discharge valves are open Yes No 3 All suction service valves are open if equipped Yes No 4 All oil line valves are open Yes No 5 Chilled water flow switch is operational Yes No 6 Leak check unit Locate repair and report any refrigerant leaks Yes No 7 Voltage is with...

Страница 134: ...____________________________________________________________________________________________ ______________________________________________________________________________________________________ ______________________________________________________________________________________________________ _____________________________________________________________________________________________________...

Страница 135: ...ION PAS E ENBL DSBL PASSWORD ENABLE PASS xxxx SERVICE PASSWORD UNIT TYPE x UNIT TYPE TONS xxx UNIT SIZE CAP A xxx CIRCUIT A CAPACITY CMP A x NUMBER CIRC A COMPRESSOR CMP B x NUMBER CIRC B COMPRESSOR DIS S xx x DISCHARGE SUPER SETPOINT FAN S x FAN STAGING SELECT CM A1 xxx AMPS COMPR A1 MUST TRIP AMPS CM A2 xxx AMPS COMPR A2 MUST TRIP AMPS CM B1 xxx AMPS COMPR B1 MUST TRIP AMPS CM B2 xxx AMPS COMPR ...

Страница 136: ...OOL RESET TEMP DGRC xx x DEGREES COOL RESET HRST x HEATING RESET TYPE HRT1 xxx x NO HEAT RESET TEMP HRT2 xxx x FULL HEAT RESET TEMP DGRH xx x DEGREES HEAT RESET DMDC x DEMAND LIMIT SELECT DM20 xxx DEMAND LIMIT AT 20 MA SHNM xxx LOADSHED GROUP NUMBER SHDL xxx LOADSHED DEMAND DELTA SHTM xxx MAXIMUM LOADSHED TIME DLS1 xxx DEMAND LIMIT SWITCH 1 DLS2 xxx DEMAND LIMIT SWITCH 2 LLEN ENBL DSBL LEAD LAG CH...

Страница 137: ...A1 EN A2 ENBL DSBL ENABLE COMPRESSOR A2 EN B1 ENBL DSBL ENABLE COMPRESSOR B1 EN B2 ENBL DSBL ENABLE COMPRESSOR B2 W DNE YES NO WINTERIZATION PERFORMED ECON YES NO ECONOMIZED EVPS x NUMBER OF EVAP PASSES LWTC A B CIRCUIT WITH LWT SENSOR AP SP xxx x APPROACH SETPOINT BCST TD B C ON OFF CCN TIME DATE BROADCAST OAT B ON OFF CCN OAT BROADCAST GS B C ON OFF GLOBAL SCHEDULE BROADCAST BC AK ON OFF BROADCA...

Страница 138: ...D A2 EXV B xxx EXV OPEN VH PB xxx VAR HEAD PRESS OL P B ON OFF OIL PUMP MC B1 ON OFF MOTOR COOLING SOLENOID B1 MC B2 ON OFF MOTOR COOLING SOLENOID B2 OS B1 ON OFF OIL SOLENOID B1 OS B2 ON OFF OIL SOLENOID B2 FAN1 ON OFF FAN 1 RELAY FAN2 ON OFF FAN 2 RELAY FAN3 ON OFF FAN 3 RELAY FAN4 ON OFF FAN 4 RELAY CLR P ON OFF COOLER PUMP RELAY CLR H ON OFF COOLER HEATER CND P ON OFF CONDENSER PUMP RELAY RMT ...

Страница 139: ... ____________________ ECONOMIZER PRESSURE _____________________ ____________________ OIL PRESSURE Comp 1 Comp 2 _____________________ ____________________ OIL PRESSURE DIFF Comp 1 Comp 2 _____________________ ____________________ OIL FILTER DIFF Comp 1 Comp 2 _____________________ ____________________ CALCULATED OIL PRESS Comp 1 Comp 2 _____________________ ____________________ Compressor Running ...

Страница 140: ...tinue or change at any time specifications or designs without notice and without incurring obligations PC 903 Catalog No 533 00052 Printed in U S A Form 30G H 9T Pg CL 10 3 04A 1 04 Replaces New Book 2 Tab 5c Copyright 2004 Carrier Corporation ...

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