York MILLENNIUM YIA-ST-1A1 Operation Manual Download Page 69

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YORK INTERNATIONAL

BYPASS DILUTION

CYCLE – SHUTDOWN

ALL PUMPS

STEAM

UNIT

DE-ENERGIZE

6 SOL TO CLOSE

STEAM CONDENSATE

DRAIN VALVE

CLOSE SAFETY

STATUS CONTACTS

TB4-42/43

DE-ENERGIZE 1R
RELAY TO CLOSE

STEAM/HOT WATER

SHUTOFF VALVE

PAGE 30

PAGE 39

YES

➤

INCREMENT

SOLUTION PUMP

OVERLOAD

COUNTER

➤

>136°F

(57.7°C)

➤

SOLUTION

PUMP

OVERLOAD

CLOSED

➤

CHECK STRONG

SOLUTION TEMP

@ RT 3

➤

YES

Summary of Contents for MILLENNIUM YIA-ST-1A1

Page 1: ...A1 THROUGHYIA ST 14F3 STEAM MODELS YIA HW 1A1 THROUGHYIA HW 14F3 HOT WATER OPERATORS MANUAL MILLENNIUM TM CONTROL CENTER OPERATIONS MANUAL Supersedes 155 16 O3 894 Form 155 16 O3 797 ABSORPTION LIQUID CHILLERS 28342A ...

Page 2: ...ION FLOW CHART 11 CONTROL CENTER 88 OPERATION Displaying System Parameters 89 LiBr Concentration Calculator 91 System Setpoints 91 Displaying System Setpoints 93 PROGRAMMING THE ISOFLOW CONTROL CENTER Programming System Setpoints 94 SERVICE KEYS Unit Keys 98 Other Service Keys 99 OPERATING MODES 102 UNIT SWITCH 103 DISPLAY MESSAGES 103 Page ...

Page 3: ...vice keys are pro vided for use by the service technician or operator to have manual control of certain unit functions The Operating Modes section describes the various operating modes and how to change the operating modes The Unit Switch section describes how to start and stop the unit The Display Messages section is a listing of all the operating status safety and cycling shutdown mes sages that...

Page 4: ...n of insufficient refriger ant level and refrigerant pump shutdown and REFRIG ERANT FLOAT SWITCH SHUTDOWN timer determines the number of minutes the unit is permitted to run with out the refrigerant pump running If this time is exceeded a safety shutdown is performed These setpoints can be changed only by a qualified service technician following instructions in Service manual Form 155 16 M3 The Mo...

Page 5: ...ve flow switch closes if less than 30 seconds If the unit is kept from starting because the leaving water temperature is below setpoint a cycling shutdown shall be initiated with the background mes sage WED 2 34PM LVG WATER TEMP BELOW SET POINT For LWT shutdowns only the system starting temperature is determined by adding 2 0 F 1 1 C to the leaving chilled water setpoint Similarly the LWT cycling ...

Page 6: ...lled LOAD UNLOAD HOLD in SER VICE mode from the keypad When a unit is commis sioned it is sometimes necessary to limit the maximum load This is accomplished by entering the special ac cess code to enter PROGRAM mode Via the LOAD key the Service Engineer can program the MAXIMUM COOLING LOAD and from 50 to 100 The default value is 100 When the unit is operating if the maximum load is reached the mes...

Page 7: ... CYCLE ADC is initiated or if the pump is turned off during an ADC due to low refrigerant level The normal ADC is not performed Instead a LIMITED ADC is performed The limited ADC has two phases PRIMARY and SECOND ARY The PRIMARY LIMITED ADC is the same as a normal ADC except it is performed for 10 minutes only and the STABILIZER REFRIGERANT SOLENOID VALVE 2SOL is not energized opened during the fi...

Page 8: ...the strong solution tempera ture shall not exceed the values listed following For RTLC values between 72 F and 117 F 22 2 C and 47 2 C but not listed in the table the corresponding maximum strong solution temperature is interpolated If the strong solution temperature exceeds the allowable limit steam or hot water control valve loading is inhib ited and the RTLC strong solution temperature algorith...

Page 9: ...lled temperature and remote steam or hot water limiting In addition all unit information that is displayed on the mi cro panel is transmitted to the FAX Whenever the re mote load limit function inhibits the automatic tempera ture control operation the message SYSTEM RUN LEAVING CHILLEDWATER CONTROL is replaced with the message SYSTEM RUN REMOTE LOAD LIMIT Unit installations where it is desired to ...

Page 10: ...the low refrigerant tem perature cut out at 33 0 F 5 C provided by the low refrigerant temperature switch or sensor the chilled wa ter pump shall continue to run for a minimum of 30 min utes The dilution cycle shall be initiated if the refrigerant temperature rises to 37 0 F 2 8 C and the strong solu tion temperature is above 136 F 57 8 C If the strong solution temperature falls to 136 F 57 8 C an...

Page 11: ... the purge cycle is complete and the manual purge valve is closed Although the purge cycle is complete the pump and solenoid valve are energized for an additional 30 min utes or until the suction pressure falls to 1 6 mm of Hg 0 03 PSIA The pump and solenoid valve are then de energized by depressing the MANUAL PUMP key a second time This allows the pump to clean its oil to ex tend pump life After ...

Page 12: ...LVG WATER TEMP SETPOINT CYCLING SHUTDOWN DISPLAY DAY TIME LVG WATER TEMP SETPOINT AS STATUS NO YES YES NO 9 PAGE 43 CYCLING SHUTDOWN DISPLAY DAY TIME STEAM HOT WATER VALVE LOADED ABOVE 10 AS STATUS STEAM HOT WATER VALVE POS 10 YES NO 10 PAGE 43 CLOSE CHILLED WATER PUMP CONTACTS TB4 44 45 DISPLAY COOLING START SEQUENCE INITIATED A ...

Page 13: ...DOWN DISPLAY DAY TIME CHILLED WATER FLOW SWITCH AS STATUS CLEAR 30 SECOND TIMER START 30 SECOND TIMER CLOSE CONDENSER WATER PUMP CONTACTS TB4 55 56 CONDENSER WATER FLOW SWITCH CLOSED 30 SECOND TIMER ELAPSED CYCLING SHUTDOWN DISPLAY DAY TIME CONDENSER FLOW SWITCH AUTOSTART AS STATUS 12 11 PAGE 45 PAGE 44 NO YES NO NO NO YES YES YES A A ...

Page 14: ...HZ MODELS YIA 10E3 YIA 14F3 WITH FRANKLIN PUMPS ENERGIZE 1R RELAY TO OPEN STEAM HOT WATER SHUTOFF VALVE STEAM UNIT ENERGIZE 6SOL TO OPEN STEAM CONDENSATE DRAIN VALVE BUFFALO PUMPS START REFRIGERANT PUMP 2M AND GENERATOR PUMP 4M 50 HZ MODELS YIA 10E3 YIA 14F3 START REFRIGERANT FLOAT SWITCH SHUTDOWN SETPOINT TIMER 20 60 MIN NO NO NO YES YES YES A A B ...

Page 15: ...LOSES START REFRIGERANT PUMP WHEN REFRIG PUMP START UP DELAY SETPOINT TIMER 1F HAS ELAPSED FLOAT SW 3F OPEN FLOAT SW 1F CLOSED BOTH REFRIG PUMP START UP 1F AND SHUTDOWN 3F DELAY SETPOINT TIMERS ELAPSED SAFETY SHUTDOWN DISPLAY DAY TIME REF PUMP FLOAT SW CONFLICT AS STATUS 43 PAGE 87 FLOAT SW 1F OPEN FLOAT SW 3F OPEN START REFRIG PUMP SHUTDOWN DELAY SETPOINT TIMER 1 45 SEC WHEN 3F OPENS 42 4 PAGE 86...

Page 16: ...ULLDOWN LOAD LIMIT STOP LIMIT START LIMIT T ELAPSED T INTERVAL START LIMIT PULLDOWN LOAD LIMIT MAX ALLOWED LOAD VALUE PULLDOWN LOAD LIMIT PWM LOAD LIMIT PULLDOWN LOAD LIMIT FAX 4500 LOAD LIMIT REMOTE MODE UNIT LOADING PULLDOWN LOAD LIMIT DISPLAY SYSTEM RUN PULLDOWN LIMIT LIMIT LOADING TO PULLDOWN DEMAND LIMIT VALUE YES YES YES YES YES YES YES NO NO NO NO NO NO NO YES A A ...

Page 17: ...ODE FAX 4500 FAX 4500 LOAD LIMIT MAX ALLOWED LOADING VALUE UNIT LOADING FAX 4500 LOAD LIMIT PWM REMOTE LOAD LIMIT 10 20 100 UNIT LOADING PWM LOAD LIMIT LIMIT UNIT LOADING TO PWM REMOTE LOAD LIMIT 10 20 100 DISPLAY SYSTEM RUN REMOTE LOAD LIMIT F OFFSET PULSEWIDTH 1 REMOTE RESET TEMP RANGE 10 SETPOINT BASE SETPOINT F OFFSET CONTROL PER BASE LEAVING WATER TEMP SETPOINT 40 77 F PWM REMOTE TEMP SETPOIN...

Page 18: ...ENSER WATER FLOW SWITCH TB2 20 OPEN FOR 30 SECONDS CYCLING SHUTDOWN DISPLAY DAY TIME COND FLOW SWITCH AUTOSTART AS STATUS COMPARE LEAVING CHILLED WATER TEMP TO LEAVING WATER TEMP SETPOINT AUTO SOLENOID CONTROL DE ENERGIZE CLOSE REFRIGERANT LEVEL SOLENOID VALVE 3SOL LCWT SP 2 SP 5 REFRIG LEVEL FLOAT SW OPEN ENERGIZE OPEN REFRIGERANT LEVEL SOLENOID VALVE 3SOL 13 YES YES YES YES YES NO NO NO NO NO PA...

Page 19: ...CLOSED CHECK REMOTE LOCAL CYCLING INPUT TB2 13 CLOSED CHECK AUXILIARY SAFETY SHUTDOWN INPUT TB 31 15 PAGE 49 SAFETY SHUTDOWN DISPLAY DAY TIME AUXILIARY SAFETY SHUTDOWN AS STATUS 16 PAGE 50 CYCLING SHUTDOWN DISPLAY DAY TIME SYSTEM CYCLING AUTOSTART AS STATUS 14 PAGE 48 CYCLING SHUTDOWN DISPLAY DAY TIME LOW WATER TEMP AUTOSTART AS STATUS YES YES YES YES YES NO NO NO NO NO A A ...

Page 20: ...1 9 C SOLUTION ABSORBER PUMP RUNNING CLOSED 18 PAGE 52 CYCLING SHUTDOWN DISPLAY DAY TIME INTERNAL CLOCK AUTOSTART AS STATUS 19 SAFETY SHUTDOWN DISPLAY DAY TIME LOW REFRIGERANT TEMP DIGITAL AS STATUS PAGE 53 TRIPPED CHECK REFRIGERANT TEMP RT 8 CYCLING SHUTDOWN DISPLAY DAY TIME MULTI UNIT CYCLING AUTOSTART AS STATUS 17 PAGE 51 NO NO NO NO NO YES YES YES YES YES B A A ...

Page 21: ...TABILIZER REFRIGERANT SOLENOID VALVE 2SOL 35 5 F 1 9 C 36 F 2 2 C DISPLAY WARNING LOW REFRIGERANT TEMPERATURE CLOSE ALARM CONTACTS TB4 89 90 TO SOUND AUDIBLE ALARM UNTIL RESET WITH WARNING RESET KEY PUT LOW REFRIGERANT TEMP LOAD INHIBIT IN EFFECT INHIBIT UNIT LOADING BUFFALO PUMPS REFRIG PUMP RUNNING ENERGIZE OPEN STABILIZER REFRIGERANT SOLENOID VALVE 2SOL DE ENERGIZE SOLUTION PUMP 1M ABSORBER PUM...

Page 22: ...M CONTACTS TB4 89 90 TO SOUND AUDIBLE ALARM UNTIL RESET WITH WARNING RESET KEY 91 F 32 8 C 91 F 32 8 C FOR 1 MINUTE CHECK STRONG SOLUTION TEMP RT3 CLEAR FAULTY STRONG SOLN TEMP SENSOR WARNING MESSAGE WHEN WARNING RESET KEY IS PRESSED IN SERVICE MODE STRONG SOLN TEMP SENSOR WARNING IN EFFECT UNIT RUNNING 30 MIN YES YES YES YES NO NO NO NO NO NO YES 23 PAGE 59 SAFETY SHUTDOWN DISPLAY DAY TIME CHILLE...

Page 23: ...C EPROM VERSION A 02F 02 OR LATER 150 F 65 6 C DE ENERGIZE CLOSE MOTOR COOLANT SOLENOID VALVE 1SOL ENERGIZE OPEN MOTOR COOLANT SOLENOID VALVE 1SOL DE ENERGIZE CLOSE MOTOR COOLANT SOLENOID VALVE 1SOL ENERGIZE OPEN MOTOR COOLANT SOLENOID VALVE 1SOL SAFETY SHUTDOWN DISPLAY DAY TIME GEN SHELL HIGH TEMP MAN RESET AS STATUS 25 PAGE 63 SAFETY SHUTDOWN DISPLAY DAY TIME GEN SHELL HIGH TEMP ANA AS STATUS PA...

Page 24: ... PAGE 67 SAFETY SHUTDOWN DISPLAY DAY TIME CHILLED WATER FLOW SWITCH AS STATUS CLOSED TRIPPED CHECK GENERATOR HIGH PRESSURE SAFETY HP1 INPUT TB1 32 CALIBRATED TO TRIP 13 73 PSIA 94 7 kPa BUFFALO PUMPS CHECK PUMP MOTOR COOLANT LEVEL FLOAT SWITCH 2F INPUT TB1 11 CHECK GENERATOR PRESSURE PT1 15 PSIA 103 4 kPa 10 PSIA 68 9 kPa DISPLAY WARNING HIGH GEN PRESSURE OVERRIDE YES YES YES YES YES NO NO NO NO N...

Page 25: ...GH GEN PRESSURE OVERRIDE IN EFFECT REMOVE HIGH GENERATOR PRESSURE OVERRIDE ALLOW UNIT LOADING TO 30 STEAM HOT WATER VALVE POSITION CLEAR HIGH GENERATOR PRESSURE OVERRIDE WARNING MESSAGE WHEN WARNING RESET PRESSED IN SERVICE MODE CHECK AUTO DECRYSTALLIZATION ADC TEMP RT2 160 F 71 1 C START 10 MINUTE ADC TIMER NORMAL ADC IN EFFECT SECOND ARY LIMITED ADC IN EFFECT PRIMARY LIMITED ADC IN EFFECT YES YE...

Page 26: ...O 50 DISPLAY SYSTEM RUN AUTOMATIC DECRYSTALLIZATION ENERGIZE OPEN STABILIZER REFRIGERANT SOLENOID VALVE 2SOL FOR FIRST 2 MINUTES OF NORMAL ADC PERFORM NORMAL ADC PERFORM PRIMARY LIMITED ADC LIMIT STEAM HOT WATER VALVE POSITION TO 50 DE ENERGIZE CLOSE STABILIZER REFRIGERANT SOLENOID VALVE 2SOL ADC TIMER ELAPSED ADC TEMP RT2 150 F 65 6 C ALLOW LOADING TO 50 STEAM HOT WATER VALVE POSITION START 15 MI...

Page 27: ...UMP RUNNING 10 MIN LEFT ON SECONDARY LMTD ADC TIMER SET ADC TIMER TO TIME REMAINING ON SECONDARY LIMITED ADC TIMER EPROM VERSION A 02F 00 ALLOW STEAM HOT WATER VALVE LOADING TO 50 SET POINT CHECK STRONG SOLUTION TEMP RT 3 CHECK REFRIGERANT TEMP LEAVING THE CONDENSER RTLC RT 9 CHECK LEAVING CHILLED WATER TEMP RT 1 42 SAFETY SHUTDOWN DISPLAY DAY TIME RFS CHK FOR CRYSTALLIZATION AS STATUS YES YES YES...

Page 28: ...N TEMP CONTROL IN EFFECT CLEAR STRONG SOLUTION TEMP CONTROL MESSAGE STRONG SOLUTION TEMP CON TROL IN EFFECT REMOVE STRONG SOLUTION TEMP CONTROL RETURN TO AUTOMATIC LEAVING CHILLED WATER TEMP CONTROL INHIBIT STEAM HOT WATER VALVE LOADING DISPLAY SYSTEM RUN STRONG SOLUTION TEMP CONTROL PUT STRONG SOLUTION TEMP CONTROL IN EFFECT STRONG SOLUTION TEMP ALLOWED 4 STRONG SOLUTION TEMP CON TROL IN EFFECT S...

Page 29: ...L STRONG SOLUTION TEMP ALLOWED 4 BUTTERFLY VALVE UNIT RUNNING 30 MINUTES CHECK ENTERING CONDENSER WATER TEMP RT5 74 F 23 3 C EPROM VERSION A 02F 02 OR LATER CHECK STRONG SOLUTION TEMP RT3 DISPLAY SYSTEM RUN LOW ECDWT LIMIT IN EFFECT LOW ECWT SOLUTION TEMP OVERRIDE SETPOINT LIMIT UNIT LOADING PER STEAM HOT WATER VALVE PROFILE AS PER PROGRAMMED VALVE PART NUMBER NO NO NO NO NO YES YES YES YES YES A ...

Page 30: ...ESSED IN SERVICE MODE REMOVE ENT COND WATER TEMP HIGH LIMIT ALLOW UNIT LOADING TO 60 STEAM HOT WATER VALVE POSITION DISPLAY WARNING ENT COND WATER TEMP HIGH LIMIT PROGRAMMED LIMIT FOR 10 MINUTES UNIT RUNNING 30 MINUTES PUT ENTERING CONDENSER WATER TEMP HIGH LIMIT IN EFFECT LIMIT STEAM HOT WATER VALVE POSITION TO 60 CLOSE ALARM CONTACTS TB4 89 90 TO SOUND AUDIBLE ALARM UNTIL RESET WITH WARNING RESE...

Page 31: ...S STATUS CHECK GENERATOR PUMP OVERLOADS INPUT TB1 18 PAGE 77 PAGE 71 OPEN 30 PAGE 68 SAFETY SHUTDOWN DISPLAY DAY TIME SOLUTION PUMP OVERLOADS OPEN AS STATUS 34 SAFETY SHUTDOWN DISPLAY DAY TIME ABSORBER PUMP OVERLOADS OPEN AS STATUS PAGE 74 CHECK SOLUTION PUMP OVERLOADS INPUT TB1 70 CHECK ABSORBER PUMP OVERLOADS INPUT TB1 71 50 HZ YIA 10ES YIA 14F3 WITH FRANKLIN PUMPS OPEN YES YES YES YES YES NO NO...

Page 32: ...M CONTACTS TB4 89 90 TO SOUND AUDIBLE ALARM DISPLAY WARNING HIGH HOT WATER SUPPLY TEMP PUT HIGH HOT WATER TEMP WARNING IN EFFECT CLOSE ALARM CONTACTS TB4 89 90 TO SOUND AUDIBLE ALARM 39 PAGE 81 SAFETY SHUTDOWN DISPLAY DAY TIME HIGH STEAM SUPPLY TEMP AS STATUS SAFETY SHUTDOWN DISPLAY DAY TIME HIGH HOT WATER SUPPLY TEMP AS STATUS 38 PAGE 80 CHECK HOT WATER SUPPLY TEMP RT7 CHECK STEAM SUPPLY TEMP RT7...

Page 33: ...G HIGH STEAM SUPPLY PRESSURE CHECK STEAM SUPPLY PRESSURE PT2 OPEN ALARM CONTACTS TB4 89 90 CLEAR HIGH HOT WATER TEMP WARNING MESSAGE HIGH STEAM SUPPLY TEMP WARNING IN EFFECT 284 F 140 C REMOVE HIGH HOT WATER TEMP WARNING REMOVE HIGH STEAM SUPPLY TEMP WARNING CLEAR HIGH STEAM SUPPLY WARNING MESSAGE OPEN ALARM CONTACTS TB4 89 90 EPROM VERSION A 02F 02 OR LATER NO NO NO NO NO NO YES YES YES YES YES Y...

Page 34: ...N PURGE PUMP OVERLOAD WARNING IN EFFECT DISPLAY WARNING PURGE PUMP OVERLOADS OPEN CLEAR PURGE PUMP OVERLOAD WARNING MESSAGE WHEN WARNING RESET KEY PRESSED IN SERVICE MODE COMPARE PURGE PUMP OPERATING HOURS TO PURGE PUMP SERVICE INTERVAL SETPOINT CLOSE ALARM CONTACTS TB4 89 90 TO SOUND AUDIBLE ALARM UNTIL RESET WITH WARNING RESET KEY 25 5 PSIA 175 8 kPa CLOSE ALARM CONTACTS TB4 88 90 TO SOUND AUDIB...

Page 35: ...PRESS WARNING RESET KEY IN SERVICE MODE PRESS PURGE PUMP OPERATING HOURS TO ZERO PERFORM MANUAL PURGE OPERATION PURGE DESIRED PURGE PUMP RUNS 10 MIN UTES INCREMENT TOTAL LIFETIME AND 7 DAY PURGE COUNTERS WHEN PURGE PUMP IS TURNED OFF DELETE OLDEST DAY S COUNT FROM 7 DAY PURGE COUNTER 12 00 MIDNIGHT CLEAR PURGE PUMP SERVICE WARNING MESSAGE NO NO NO YES YES YES YES YES NO NO A A ...

Page 36: ...D AUDIBLE ALARM UNTIL RESET WITH WARNING RESET KEY OK CLEAR RTC BATTERY WARNING MESSAGE WHEN WARNING RESET KEY PRESSED IN SERVICE MODE RTC BATTERY WARNING IN EFFECT LOCAL OR REMOTE STOP DE ENERGIZE 1R RELAY TO CLOSE STEAM HOT WATER SHUTOFF VALVE DILUTION CYCLE START 6 MINUTE DILUTION CYCLE TIMER BEGIN DILUTION CYCLE 8 5 4 PAGE 14 POWER FAILURE 41 PAGE 83 NO NO NO NO YES YES YES YES A A ...

Page 37: ... TB1 10 TERMINATE DILUTION SHUTDOWN ALL PUMPS DISPLAY DILUTION INTERRUPTED REF LEVEL FLOAT SW AS STATUS DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE STEAM UNIT CHECK REFRIGERANT TEMP RT 8 TRIPPED OPEN 21 SAFETY SHUTDOWN DISPLAY DAY TIME LOW REFRIGERANT TEMP DIGITAL AS STATUS NO NO NO YES YES YES PAGE 53 PAGE 54 PAGE 11 1 A A ...

Page 38: ...SOUND AUDIBLE ALARM UNTIL RESET WITH WARNING RESET KEY ENERGIZE OPEN STABILIZER REFRIGERANT SOLENOID VALVE 2SOL REFRIG TEMP 34 F 1 1 C TERMINATE DILUTION SHUTDOWN ALL PUMPS EXCEPT CHILLED WATER PUMP STEAM UNIT BUFFALO PUMPS REFRIG PUMP RUNNING DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE NO NO YES YES YES NO NO YES YES A NO A B ...

Page 39: ...WN DISPLAY DAY TIME LOW REFRIGERANT TEMP ANALOG AS STATUS DE ENERGIZE CLOSE STABILIZER REFRIGERANT SOLENOID VALVE 2 SOL REFRIG TEMP 37 F 2 8 C START ALL PUMPS 30 MIN CHILLED WATER PUMP TIMER ELAPSED YES YES YES YES NO PAGE 56 NO NO NO REFRIG TEMP 33 F 6 C REFRIG TEMP 36 F 2 2 C SHUTDOWN CHILLED WATER PUMP A B A B C D ...

Page 40: ...H FRANKLIN PUMPS CHECK ABSORBER PUMP OVERLOAD INPUT TB1 71 OPEN SAFETY SHUTDOWN DISPLAY DAY TIME ABSORBER PUMP OVERLOADS OPEN AS STATUS OPEN CHECK SOLUTION PUMP OVERLOADS INPUT TB 71 LOCAL OR REMOTE START ENERGIZE 6 SOL TO OPEN STEAM CONDENSATE DRAIN VALVE PAGE 35 PAGE 74 SAFETY SHUTDOWN DISPLAY DAY TIME SOLUTION PUMP OVERLOADS OPEN AS STATUS PAGE 68 PAGE 64 PAGE 11 NO NO NO NO NO NO NO YES YES YE...

Page 41: ...HUTDOWN DISPLAY DAY TIME REFRIG PUMP OVERLOADS OPEN AS STATUS 33 CHECK CHILLED WATER FLOW SWITCH TB2 12 SAFETY SHUTDOWN DISPLAY DAY TIME GEN PUMP OVERLOADS OPEN AS STATUS OPEN TERMINATE DILUTION SHUTDOWN ALL PUMPS STEAM UNIT DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE YES YES YES YES NO NO NO NO PAGE 71 PAGE 77 A B A B ...

Page 42: ...S DISPLAY DILUTION INTERRUPTED COND WATER FLOW SW AS STATUS FLOW SWITCH CLOSED RESUME DILUTION START ALL PUMPS NO YES CHECK STRONG SOLUTION TEMP RT 3 STEAM UNIT NO YES NO PAGE 11 2 NO YES YES UNIT SW IN STOP RESET OPERA TOR PRESS WARNING RESET IN SERVICE MODE 136 F 57 8 C LOCAL OR REMOTE START DISPLAY DAY TIME FLS CHECK FOR CRYSTALLIZATION AS STATUS ENERGIZE 6 SOL TO OPEN STEAM CONDENSATE DRAIN VA...

Page 43: ...Y TIME CDFL CHECK FOR CRYSTALLIZATION AS STATUS CLOSE SAFETY STATUS CONTACTS TB4 42 43 UNIT SW IN STOP RESET OPERATOR PRESS WARNING RESET IN SERVICE MODE OPEN SAFETY STATUS CONTACTS TB4 42 43 PAGE 11 6 MINUTE DILUTION CYCLE TIMER ELAPSED LOCAL OR REMOTE START 8 2 PAGE 35 PAGE 11 TERMINATE DILUTION SHUTDOWN ALL PUMPS DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE 1 PAGE 11 STEAM UNIT 1 NO ...

Page 44: ...ION SUBROUTINES CLOSE CYCLING STATUS CONTACTS TB4 40 41 LVG WATER TEMP SETPOINT OPEN CYCLING STATUS CONTACTS TB4 40 41 2 9 PAGE 11 10 CLOSE CYCLING STATUS CONTACTS TB4 40 41 STEAM HOT WATER VALVE 10 OPEN CYCLING STATUS CONTACTS TB4 40 41 2 PAGE 11 PAGE 11 NO YES YES PAGE 11 ...

Page 45: ...US CONTACTS TB4 42 43 START 30 MINUTE CHILLED WATER PUMP TIMER CHILLED WATER PUMP TIMER ELAPSED OPEN CHILLED WATER PUMP CONTACTS TB4 44 45 UNIT SW IN STOP RESET OPEN SAFETY STATUS CONTACTS TB4 42 43 2 PAGE 11 NO NO NO YES YES YES LOCAL OR REMOTE START ...

Page 46: ... CYCLING STATUS CONTACTS TB4 40 41 2 PAGE 11 NO YES LOCAL OR REMOTE START CLOSE CYCLING STATUS CONTACTS TB4 40 41 OPEN CONDENSER WATER PUMP CONTACTS TB4 55 56 COND FLOW SW CLOSED OPEN CYCLING STATUS CONTACTS TB4 40 41 NO YES OPEN CHILLED WATER PUMP CONTACTS TB4 44 45 12 2 PAGE 11 ...

Page 47: ...OFF VALVE STEAM UNIT DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE BYPASS DILUTION SHUTDOWN ALL PUMPS 2 NO YES YES NO YES 136 F 57 8 C CHECK STRONG SOLUTION TEMP RT3 COND FLOW SW CLOSED OPEN CYCLING STATUS CONTACTS TB4 40 41 PAGE 11 SAFETY SHUTDOWN DISPLAY DAY TIME CDFL CHECK FOR CRYSTALLIZATION AS STATUS NO A B C ...

Page 48: ...S CONTACTS TB4 40 41 LOCAL OR REMOTE START UNIT SW IN STOP RESET CLOSE SAFETY STATUS CONTACTS TB4 42 43 OPEN CYCLING STATUS CONTACTS TB4 40 41 OPERATOR PRESS WARNING RESET IN SERVICE MODE OPEN SAFETY STATUS CONTACTS TB4 42 43 NO NO NO NO YES YES YES YES 2 PAGE 11 1 PAGE 11 A B C ...

Page 49: ...ON CYCLE PAGE 35 8 EXIT DILUTION CYCLE PAGE 42 OPEN CYCLING STATUS CONTACTS TB4 40 41 LCWT SP 2 UNIT SW IN STOP RESET LCWT SP OPEN CYCLING STATUS CONTACTS TB4 40 41 LOCAL OR REMOTE START 6 MIN DILUTION TIMER ELAPSED TERMINATE DILUTION SHUTDOWN ALL PUMPS STEAM UNIT DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE 2 2 PAGE 11 NO NO NO NO NO NO YES YES YES YES YES YES PAGE 11 ...

Page 50: ... DILUTION CYCLE TIMER ENTER DILUTION CYCLE PAGE 35 8 EXIT DILUTION CYCLE PAGE 42 6 MIN DILUTION TIMER ELAPSED TERMINATE DILUTION SHUTDOWN ALL PUMPS STEAM UNIT DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE NO NO YES YES AUX SAFETY INPUT OPEN UNIT SW IN STOP RESET OPEN SAFETY STATUS CONTACTS TB4 42 43 NO NO YES YES LOCAL OR REMOTE START 2 NO YES PAGE 11 ...

Page 51: ...UTION CYCLE PAGE 35 8 EXIT DILUTION CYCLE PAGE 42 STEAM UNIT DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE NO YES 6 MIN DILUTION TIMER ELAPSED NO YES TB2 13 CLOSED OPEN CYCLING STATUS CONTACTS TB4 40 41 NO YES 2 PAGE 11 OUT TERMINATE DILUTION SHUTDOWN ALL PUMPS TERMINATE DILUTION SHUTDOWN ALL PUMPS EXCEPT CHILLED WATER PUMP CHECK MICRO BOARD PROGRAM JUMPER J54 YES NO ...

Page 52: ...NTER DILUTION CYCLE PAGE 35 8 EXIT DILUTION CYCLE PAGE 42 STEAM UNIT DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE NO YES 6 MIN DILUTION TIMER ELAPSED NO YES TB2 9 CLOSED OPEN CYCLING STATUS CONTACTS TB4 40 41 NO YES 2 PAGE 11 OUT TERMINATE DILUTION SHUTDOWN ALL PUMPS TERMINATE DILUTION SHUTDOWN ALL PUMPS EXCEPT CHILLED WATER PUMP CHECK MICRO BOARD PROGRAM JUMPER J54 YES NO ...

Page 53: ...6 MINUTE DILUTION CYCLE TIMER ENTER DILUTION CYCLE PAGE 35 8 EXIT DILUTION CYCLE PAGE 42 STEAM UNIT DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE NO YES 6 MIN DILUTION TIMER ELAPSED NO YES SCHEDULED FOR START OPEN CYCLING STATUS CONTACTS TB4 40 41 NO YES 2 PAGE 11 TERMINATE DILUTION SHUTDOWN ALL PUMPS LOCAL OR REMOTE START YES NO ...

Page 54: ...HUTDOWN ALL PUMPS EXCEPT CHILLED WATER PUMP STEAM UNIT DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE CLOSE SAFETY STATUS CONTACTS TB4 42 43 DE ENERGIZE 1R RELAY TO CLOSE STEAM HOT WATER SHUTOFF VALVE 19 PAGE 19 21 PAGE 36 37 F 2 8 C 30 MIN CH WATER PUMP TIMER ELAPSED SHUTDOWN CHILLED WATER PUMP NO YES NO NO YES YES A B C ...

Page 55: ...AY TIME LRT CHK FOR CRYSTALLIZATION AS STATUS START 6 MINUTE DILUTION CYCLE TIMER ENTER DILUTION CYCLE 22 PAGE 36 EXIT DILUTION CYCLE PAGE 42 6 MIN DILUTION TIMER ELAPSED LRT CUTOUT TRIPPED 30 MIN CHILL WATER PUMP TIMER ELAPSED SHUTDOWN CHILLED WATER PUMP LRT CUTOUT TRIPPED UNIT SW IN STOP RESET NO NO NO NO NO NO NO YES YES YES YES YES YES YES A B C A B D C ...

Page 56: ... SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE STEAM UNIT UNIT SW IN STOP RESET OPEN SAFETY STATUS CONTACTS TB4 42 43 TERMINATE DILUTION SHUTDOWN ALL PUMPS LOCAL OR REMOTE START NO NO NO NO YES YES YES YES YES NO OPERATOR PRESS WARNING RESET KEY IN SERVICE MODE OPEN SAFETY STATUS CONTACTS TB4 42 43 LOCAL OR REMOTE START PAGE 11 2 NO NO YES YES A B C D E ...

Page 57: ...CLOSE STEAM CONDENSATE DRAIN VALVE CLOSE SAFETY STATUS CONTACTS TB4 42 43 DE ENERGIZE 1R RELAY TO CLOSE STEAM HOT WATER SHUTOFF VALVE 20 PAGE 21 30 MIN CH WATER PUMP TIMER ELAPSED SHUTDOWN CHILLED WATER PUMP NO YES NO YES 37 F 2 8 C NO YES 36 F 2 2 C NO YES CHECK REEFRIGERANT TEMP RT 8 DE ENERGIZE CLOSE STABILIZER REFRIGERANT SOLENOID VALVE 2 SOL 6 PAGE 38 A B C ...

Page 58: ... DAY TIME LRT CHK FOR CRYSTALLIZATION AS STATUS START 6 MINUTE DILUTION CYCLE TIMER ENTER DILUTION CYCLE 8 PAGE 35 EXIT DILUTION CYCLE PAGE 42 6 MIN DILUTION TIMER ELAPSED REFRIG TEMP 37 F 2 8 C 30 MIN CHILL WATER PUMP TIMER ELAPSED SHUTDOWN CHILLED WATER PUMP REFRIG TEMP 37 F 2 8 C UNIT SW IN STOP RESET NO NO NO NO NO NO NO YES YES YES YES YES YES YES A B C A B C D E ...

Page 59: ...O CLOSE STEAM CONDENSATE DRAIN VALVE STEAM UNIT UNIT SW IN STOP RESET OPEN SAFETY STATUS CONTACTS TB4 42 43 TERMINATE DILUTION SHUTDOWN ALL PUMPS OPERATOR PRESS WARNING RESET KEY IN SERVICE MODE OPEN SAFETY STATUS CONTACTS TB4 42 43 LOCAL OR REMOTE START PAGE 11 2 LOCAL OR REMOTE START NO NO NO NO NO NO YES YES YES YES YES YES YES NO A B C D E ...

Page 60: ...D WATER STEAM UNIT DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE CLOSE SAFETY STATUS CONTACTS TB4 42 43 DE ENERGIZE 1R RELAY TO CLOSE STEAM HOT WATER SHUTOFF VALVE 23 PAGE 21 30 MIN CH WATER PUMP TIMER ELAPSED SHUTDOWN CHILLED WATER PUMP NO YES NO YES NO YES CHECK REEFRIGERANT TEMP RT 8 CHILL WATER FLOW SWITCH CLOSED A B C ...

Page 61: ...R CRYSTALLIZATION AS STATUS START 6 MINUTE DILUTION CYCLE TIMER ENTER DILUTION CYCLE 8 PAGE 35 EXIT DILUTION CYCLE PAGE 42 6 MIN DILUTION TIMER ELAPSED UNIT SW IN STOP RESET 30 MIN CHILL WATER PUMP TIMER ELAPSED SHUTDOWN CHILLED WATER PUMP UNIT SW IN STOP RESET OPERATOR PRESS WARNING RESET KEY IN SERVICE MODE NO NO NO NO NO NO NO YES YES YES YES YES YES YES A B C A B C D E ...

Page 62: ...43 PAGE 11 1 PAGE 11 2 DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE STEAM UNIT OPEN SAFETY STATUS CONTACTS TB4 42 43 TERMINATE DILUTION SHUTDOWN ALL PUMPS OPEN SAFETY STATUS CONTACTS TB4 42 43 LOCAL OR REMOTE START PAGE 11 2 LOCAL OR REMOTE START NO NO NO YES YES YES YES NO A B C D E ...

Page 63: ...E TIMER ENTER DILUTION CYCLE PAGE 35 8 EXIT DILUTION CYCLE PAGE 42 6 MIN DILUTION TIMER ELAPSED TERMINATE DILUTION SHUTDOWN ALL PUMPS STEAM UNIT DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE NO NO YES YES UNIT SW IN STOP RESET OPEN SAFETY STATUS CONTACTS TB4 42 43 NO NO YES YES LOCAL OR REMOTE START 2 NO YES PAGE 11 STRONG SOLUTION TEMP 336 F 168 9 C ...

Page 64: ...E DILUTION CYCLE TIMER ENTER DILUTION CYCLE PAGE 35 8 EXIT DILUTION CYCLE PAGE 42 6 MIN DILUTION TIMER ELAPSED TERMINATE DILUTION SHUTDOWN ALL PUMPS STEAM UNIT DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE NO NO YES YES HT1 MANUALLY RESET UNIT SW IN STOP RESET OPEN STATUS STATUS CONTACTS TB4 42 43 NO NO YES YES LOCAL OR REMOTE START 2 NO YES PAGE 11 ...

Page 65: ...TION CYCLE SHUTDOWN ALL PUMPS 136 F 57 7 C NO YES STEAM UNIT ENERGIZE 6 SOL TO OPEN STEAM CONDENSATE DRAIN VALVE START 6 MINUTE DILUTION CYCLE TIMER NO YES DISPLAY DAY TIME MCFL CHK FOR CRYSTALLIZATION AS STATUS FLOAT SW 2F CLOSED UNIT SW IN STOP RESET EPROM VERSION A 02F 01 AND LATER 1 PAGE 11 OPEN SAFETY STATUS CONTACTS TB4 42 43 FLOAT SW 2F CLOSED START ALL PUMPS CHECK STRONG SOLUTION TEMP RT 3...

Page 66: ...LE 8 PAGE 35 EXIT DILUTION CYCLE PAGE 42 6 MIN DILUTION TIMER ELAPSED NO YES UNIT SW IN STOP RESET NO YES TERMINATE DILUTION SHUTDOWN ALL PUMPS OPEN SAFETY STATUS CONTACTS TB4 42 43 LOCAL OR REMOTE START OPEN SAFETY STATUS CONTACTS TB4 42 43 2 PAGE 11 DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE STEAM UNIT UNIT SW IN STOP RESET 1 PAGE 11 YES YES NO NO YES NO NO YES A B ...

Page 67: ...LE TIMER ENTER DILUTION CYCLE PAGE 35 8 EXIT DILUTION CYCLE PAGE 42 6 MIN DILUTION TIMER ELAPSED TERMINATE DILUTION SHUTDOWN ALL PUMPS STEAM UNIT DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE NO NO YES YES UNIT SW IN STOP RESET OPEN SAFETY STATUS CONTACTS TB4 42 43 NO NO YES YES LOCAL OR REMOTE START 2 NO YES PAGE 11 HIGH PRESSURE SAFETY HP1 TRIPPED ...

Page 68: ...CYCLE TIMER ENTER DILUTION CYCLE PAGE 35 8 EXIT DILUTION CYCLE PAGE 42 6 MIN DILUTION TIMER ELAPSED TERMINATE DILUTION SHUTDOWN ALL PUMPS STEAM UNIT DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE NO NO YES YES NO YES YES GENERATOR PRESS PT1 14 99 PSIA 103 4 kPa LOCAL OR REMOTE START 2 NO YES PAGE 11 OPEN SAFETY STATUS CONTACTS TB4 42 43 UNIT SW IN STOP RESET NO ...

Page 69: ...CLOSE STEAM CONDENSATE DRAIN VALVE CLOSE SAFETY STATUS CONTACTS TB4 42 43 DE ENERGIZE 1R RELAY TO CLOSE STEAM HOT WATER SHUTOFF VALVE 30 PAGE 30 31 PAGE 39 NO YES INCREMENT SOLUTION PUMP OVERLOAD COUNTER 136 F 57 7 C SOLUTION PUMP OVERLOAD CLOSED CHECK STRONG SOLUTION TEMP RT 3 NO NO YES YES A B ...

Page 70: ...ONDENSATE DRAIN VALVE STEAM UNIT ENTER DILUTION CYCLE 8 PAGE 35 EXIT DILUTION CYCLE PAGE 42 SOLUTION PUMP OVERLOAD CLOSED UNIT SW IN STOP RESET OPERATOR PRESS WARNING RESET IN SERVICE MODE OPEN SAFETY STATUS CONTACTS TB4 42 43 PUMP OVERLOAD COUNTER 2 1 PAGE 11 START 6 MINUTE DILUTION CYCLE TIMER NO NO NO YES YES YES NO NO YES YES A B A B ...

Page 71: ...R ELAPSED PAGE 11 PAGE 11 1 2 DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE LOCAL OR REMOTE START OPEN SAFETY STATUS CONTACTS TB4 42 43 TERMINATE DILUTION SHUTDOWN ALL PUMPS STEAM UNIT UNIT SW IN STOP RESET OPEN SAFETY STATUS CONTACTS TB4 42 43 NO NO NO YES YES YES A B ...

Page 72: ...SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE CLOSE SAFETY STATUS CONTACTS TB4 42 43 DE ENERGIZE 1R RELAY TO CLOSE STEAM HOT WATER SHUTOFF VALVE 32 PAGE 30 33 PAGE 40 NO YES INCREMENT REFRIGERANT PUMP OVERLOAD COUNTER 136 F 57 7 C REFRIG PUMP OVERLOAD CLOSED CHECK STRONG SOLUTION TEMP RT 3 NO NO YES YES A B ...

Page 73: ...DRAIN VALVE STEAM UNIT ENTER DILUTION CYCLE 8 PAGE 35 EXIT DILUTION CYCLE PAGE 42 REFRIG PUMP OVERLOAD CLOSED UNIT SW IN STOP RESET OPERATOR PRESS WARNING RESET IN SERVICE MODE OPEN SAFETY STATUS CONTACTS TB4 42 43 REFRIG PUMP OVERLOAD COUNTER 2 1 PAGE 11 START 6 MINUTE DILUTION CYCLE TIMER NO NO NO NO NO YES YES YES YES YES A B A B ...

Page 74: ...ON TIMER ELAPSED PAGE 11 PAGE 11 1 2 DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE LOCAL OR REMOTE START OPEN SAFETY STATUS CONTACTS TB4 42 43 TERMINATE DILUTION SHUTDOWN ALL PUMPS STEAM UNIT UNIT SW IN STOP RESET OPEN SAFETY STATUS CONTACTS TB4 42 43 NO NO NO YES YES YES A B ...

Page 75: ... CLOSE STEAM CONDENSATE DRAIN VALVE CLOSE SAFETY STATUS CONTACTS TB4 42 43 DE ENERGIZE 1R RELAY TO CLOSE STEAM HOT WATER SHUTOFF VALVE 34 PAGE 30 35 PAGE 39 NO YES INCREMENT ABSORBER PUMP OVERLOAD COUNTER 136 F 57 7 C REFRIG PUMP OVERLOAD CLOSED CHECK STRONG SOLUTION TEMP RT 3 NO NO YES YES A B ...

Page 76: ...SATE DRAIN VALVE STEAM UNIT ENTER DILUTION CYCLE 8 PAGE 35 ABSORBER PUMP OVERLOAD CLOSED UNIT SW IN STOP RESET OPERATOR PRESS WARNING RESET IN SERVICE MODE OPEN SAFETY STATUS CONTACTS TB4 42 43 ABSORBER PUMP OVERLOAD COUNTER 2 1 PAGE 11 START 6 MINUTE DILUTION CYCLE TIMER NO NO NO NO NO YES YES YES YES YES EXIT DILUTION CYCLE PAGE 42 A B A B ...

Page 77: ...R ELAPSED PAGE 11 PAGE 11 1 2 DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE LOCAL OR REMOTE START STEAM UNIT UNIT SW IN STOP RESET OPEN SAFETY STATUS CONTACTS TB4 42 43 NO NO NO YES YES YES OPEN SAFETY STATUS CONTACTS TB4 42 43 TERMINATE DILUTION SHUTDOWN ALL PUMPS A B ...

Page 78: ...SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE CLOSE SAFETY STATUS CONTACTS TB4 42 43 DE ENERGIZE 1R RELAY TO CLOSE STEAM HOT WATER SHUTOFF VALVE 36 PAGE 30 37 PAGE 40 NO YES INCREMENT GENERATOR PUMP OVERLOAD COUNTER 136 F 57 7 C GENERATOR PUMP OVERLOAD CLOSED CHECK STRONG SOLUTION TEMP RT 3 NO NO YES YES A B ...

Page 79: ...IN VALVE STEAM UNIT ENTER DILUTION CYCLE 8 PAGE 35 EXIT DILUTION CYCLE PAGE 42 GENERATOR PUMP OVERLOAD CLOSED UNIT SW IN STOP RESET OPERATOR PRESS WARNING RESET IN SERVICE MODE OPEN SAFETY STATUS CONTACTS TB4 42 43 GENERATOR PUMP OVERLOAD COUNTER 2 1 PAGE 11 START 6 MINUTE DILUTION CYCLE TIMER NO NO NO NO NO YES YES YES YES YES A B A B ...

Page 80: ...ON TIMER ELAPSED PAGE 11 PAGE 11 1 2 DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE LOCAL OR REMOTE START STEAM UNIT UNIT SW IN STOP RESET OPEN SAFETY STATUS CONTACTS TB4 42 43 NO NO NO YES YES YES OPEN SAFETY STATUS CONTACTS TB4 42 43 TERMINATE DILUTION SHUTDOWN ALL PUMPS A B ...

Page 81: ...UTION CYCLE TIMER ENTER DILUTION CYCLE PAGE 35 8 EXIT DILUTION CYCLE PAGE 42 6 MIN DILUTION TIMER ELAPSED TERMINATE DILUTION SHUTDOWN ALL PUMPS NO YES LOCAL OR REMOTE START 2 NO YES PAGE 11 NO YES YES HOT WATER SUPPLY RT7 254 F 123 3 C OPEN SAFETY STATUS CONTACTS TB4 42 43 UNIT SW IN STOP RESET NO YES NO NO JP5 IN HOT WATER TEMP RT7 269 F 128 3 C YES ...

Page 82: ... ENTER DILUTION CYCLE PAGE 35 8 EXIT DILUTION CYCLE PAGE 42 6 MIN DILUTION TIMER ELAPSED TERMINATE DILUTION SHUTDOWN ALL PUMPS NO YES LOCAL OR REMOTE START 2 NO YES PAGE 11 NO YES YES STEAM SUPPLY RT7 289 F 142 8 C OPEN SAFETY STATUS CONTACTS TB4 42 43 UNIT SW IN STOP RESET NO YES NO NO JP5 IN STEAM TEMP RT7 339 F 170 6 C YES DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE ...

Page 83: ... TIMER ENTER DILUTION CYCLE PAGE 35 8 EXIT DILUTION CYCLE PAGE 42 6 MIN DILUTION TIMER ELAPSED TERMINATE DILUTION SHUTDOWN ALL PUMPS STEAM UNIT DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE NO NO YES YES NO YES YES STEAM PRESS PT2 28 9 PSIA 199 3 kPa LOCAL OR REMOTE START 2 NO YES PAGE 11 OPEN SAFETY STATUS CONTACTS TB4 42 43 UNIT SW IN STOP RESET NO ...

Page 84: ...HUTDOWN STATUS CONTACTS TB4 42 43 J50 IN AUTO START CYCLING SHUTDOWN DISPLAY DAY TIME POWER FAILURE AUTOSTART AS STATUS OPERATOR PRESS WARNING RESET KEY IN SERVICE MODE OPEN SAFETY SHUTDOWN STATUS CONTACTS TB4 42 43 1 PAGE 11 SAFETY SHUTDOWN DISPLAY DAY TIME POWER FAILURE MANUAL RESTART AS STATUS OPEN CYCLING SHUTDOWN STATUS CONTACTS TB4 40 41 2 PAGE 11 10 SECOND LOCKOUT TIMER ELAPSED CLOSE CYCING...

Page 85: ...3 10 SECOND LOCKOUT TIMER ELAPSED START 6 MINUTE DILUTION CYCLE TIMER STEAM UNIT ENERGIZE STEAM CONDENSATE DRAIN VALVE 6 SOL ENTER DILUTION CYCLE 8 PAGE 35 EXIT DILUTION CYCLE PAGE 42 6 MIN DILUTION TIMER ELAPSED UNIT SW IN STOP RESET NO NO NO NO YES YES YES YES A A B C ...

Page 86: ...N SAFETY SHUTDOWN STATUS CONTACTS TB4 42 43 1 STEAM UNIT DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE LOCAL OR REMOTE START 2 PAGE 11 OPEN SAFETY SHUTDOWN STATUS CONTACTS TB4 42 43 TERMINATE DILUTION SHUTDOWN ALL PUMPS NO NO NO YES YES YES A B C PAGE 11 ...

Page 87: ...1R RELAY TO CLOSE STEAM HOT WATER SHUTOFF VALVE CLOSE SAFETY STATUS CONTACTS TB4 42 43 DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE BYPASS DILUTION SHUTDOWN ALL PUMPS UNIT SW IN STOP RESET OPEN SAFETY STATUS CONTACTS TB4 42 43 1 PAGE 11 NO NO YES YES ...

Page 88: ...LOSE STEAM HOT WATER SHUTOFF VALVE CLOSE SAFETY STATUS CONTACTS TB4 42 43 DE ENERGIZE 6 SOL TO CLOSE STEAM CONDENSATE DRAIN VALVE YES NO NO OPEN SAFETY STATUS CONTACTS TB4 42 43 1 PAGE 11 YES UNIT SW IN STOP RESET FLOAT SWITCH CONFLICT RE MOVED BYPASS DILUTION SHUTDOWN ALL PUMPS YES NO ...

Page 89: ...by pressing the Entry keys ACCESS CODE This key along with the Entry keys is used to enter the 4 digit access code Entry of the correct access code allows the operator access to PRO GRAM mode where the operator can change Setpoints or OPERATING modes LOCAL REMOTE or SER VICE This access code provides security It prevents tampering by an authorized personnel PROGRAM Permits the operator to change s...

Page 90: ... greater than or less than sign whichever is appropriate Refer to Fig 2 for the range of each parameter If the Micro Board program jumper J52 English Metric is installed all temperatures are dis played in F and all pressures are displayed in PSIA If the jumper is removed all temperatures are displayed in C and all pressures are dis played in kPa If the I O Expansion Board pro gram jumper J12 is in...

Page 91: ...RN XXX X F To initiate a PRINT to the printer Refer to the In struction Form 155 16 NO1 2 for details of the optional printers Press the PRINT key If the printer is not connected to the Micro Board or if one is connected but not turned on PRINTER NOT ON OR CONNECTED is displayed If a printer is connected to the Micro Board and turned on PRINT ENABLED is displayed and a printout is initiated If a p...

Page 92: ... is moved to the first changeable digit of the pressure entry and is displayed for the temperature value Using the Entry keys en ter the pressure value use leading zeroes where necessary i e 0 35 PSIA Press the ENTER key The corresponding temperature is displayed 8 Press ADVANCE DAY SCROLL key SOLUTION CONCENTRATION XX X is displayed 9 If it is desired to view the entries that were just made press...

Page 93: ...TERVAL timer has elapsed The limit at any time in be tween these points can be determined by While the unit is operating and the pull down interval has not yet expired the present load limit and time re maining in the interval can be viewed by pressing the PULL DOWN DEMAND setpoint key PRESENT PULL DOWN LIMIT XX XXX MIN LEFT is displayed After the interval has elapsed pressing this key displays th...

Page 94: ...e the appropriate Setpoint key the message will be dis played for 2 seconds or Press and hold the appropriate Setpoint key the message will be displayed as long as the key is pressed or Press and release the appropriate Setpoint key then press and release the DISPLAY HOLD key The mes sage will be displayed until the DISPLAY HOLD key is again pressed and released or 10 minutes have elapsed whicheve...

Page 95: ... day of the week are sequentially displayed beginning with Sunday and ending with Holiday The display will con tinuously scroll until the DAILY SCHEDULE key is released or Press and release the DAILY SCHEDULE setpoint key Then press and release the DISPLAY HOLD key The chiller start and stop times for each day of the week are sequentially displayed beginning with Sun day and ending with Holiday Th...

Page 96: ...the LEAVING WATER TEMP setpoint key The following program prompt message will be displayed LVG CHILLED WATER SETPOINT XX X F BASE BASE refers to the base or lowest setpoint avail able to an Energy Management System Refer to pre vious explanation of REMOTE RESET TEMP RANGE page 93 2 Use the Entry keys to enter desired value 3 Press and release the ENTER key PROGRAM MODE SELECT SETPOINT message is d...

Page 97: ... precede the entry with 0 For example 02 04 93 FIG 7 KEYPAD PROGRAMMING CLOCK SET POINT FIG 6 KEYPAD PROGRAMMING PULL DOWN DEMAND SETPOINT 7 Press and release the ENTER key PROGRAM MODE SELECT SETPOINT message is dis played To enter DAILY SCHEDULE setpoint Refer to Fig 8 1 Press and release the DAILY SCHEDULE setpoint key The following program prompt message is dis played SUN START XX XX AM STOP X...

Page 98: ...ou wish to designate as a holiday 3 Press the key An will appear next to the se lected day FIG 8 KEYPAD PROGRAMMING DAILY SCHEDULE SETPOINT 4 After you have placed an next to each of the days that you wish to designate a holiday press the EN TER key PROGRAM MODE SELECT SETPOINT message is dis played To cancel all of the designated holidays perform Step 1 press the CANCEL key and then press the EN ...

Page 99: ...uired Refer to Ser vice manual Form 155 16 M3 Special Programming Features UNLOAD Press and release this key to apply an un load signal to the hot water valve HOT WATER UNITS or steam valve steam fed unit If the system is running SYSTEM RUN UNIT UNLOADING is displayed If the system is not running SYSTEM READYTO START UNIT UNLOADING is displayed When the unit is fully unloaded HOT WA TER VALVE POSI...

Page 100: ...Pump Overloads Open WARNING Replace RTC U16 Reprogram Setpoints NOTE 1 Hot water units only Micro Board program jumper JP1 is OUT MANUAL PUMP This key is used to 1 perform a manual dilution cycle 2 control the individual system pumps 3 enable or disable the automatic operation of the refrigerant solenoids 4 control the stabilizer refrig erant solenoid valve when in MANUAL control IMPORTANT Functio...

Page 101: ... be selected by a qualified technician EPROM version A 02F 01 and earlier STEAM VALVE POSITION XXX 1 HOT WATER VALVE POSITION XXX 1 GENERATOR SHELL PRESSURE XX XX AUTO DECRYSTALLIZATIONTEMP XXX X F REFRIGERANT LEVEL FLOAT SWITCH CLOSED c Press and release the MANUAL PUMP key The displayed message will change from FUNCTION OFF to FUNCTION ON or vice versa If selected function cannot be turned on or...

Page 102: ...r hot water valve will be limited to this position during system run 3 Displayed only when unit is equipped with EPROM version A 02F 02 or later and Buffalo pumps Micro Board program jumper JP2 in 4 Displayed only when unit is equipped with Franklin pumps If equipped with Franklin pumps and EPROM version A 02F 02 or later Micro Board program jumper JP2 must be out HISTORY PRINT Press and release t...

Page 103: ...M MODE DISABLED is displayed normal background message to be displayed Pressing the CANCEL key exits the HISTORY display OPERATING MODES The Millennium Control Center can be operated in four different operating modes as follows SERVICE Enables all the Service keys except DIS PLAY DATA and HISTORY PRINT which are enabled in all modes See Service Keys page 21 LOCAL This is the normal operating mode ...

Page 104: ...EM READYTO START DIL N PRESS STATUS Same as above but dilution cycle is in progress SYSTEM READYTO START UNIT HOLDING or SYSTEM READYTO START UNIT LOADING or SYSTEM READYTO START UNIT LOADED or SYSTEM READYTO START UNIT UNLOADING or SYSTEM READYTO START UNIT UNLOADED Control Center is in SERVICE mode The system will start when a start signal is applied It is in the process of holding loading or un...

Page 105: ... 50 for a minimum of 10 minutes Simultaneously the stabilizer refrigerant solenoid valve is energized for 2 minutes transferring refrigerant to the generator s drain line and thus to the shell side of the heat exchanger to dilute the solution After 10 minutes if the ADC temperature falls to 150 F 65 6 C the cycle terminates otherwise the cycle re peats The ADC operation will continue for at least ...

Page 106: ...he Temperature Control Routine VALVE PULSE INTERVAL TYPE DURATION BETWEEN PULSES Rotary Valve 1 Second 15 Seconds Bowl Valve 2 Seconds 60 Seconds SYSTEM RUN LOW ECDWT LIMIT IN EFFECT EPROM version A 02F 01 or later Displayed while the unit is running and unit loading is being limited because the entering condenser water tem perature is 74 F 23 3 C While this is in effect the maximum allowed steam ...

Page 107: ...otor protector is located in the power panel The thermal switch is located inside the motor M1 SUN 12 00 AM GEN PUMP OVERLOADS OPEN 50 Hz ModelsYIA 10E3 YIA 14F3 with Franklin pumps Only Unit has shut down because the generator pump M4 motor protect 4OL or motor thermal switch MTH4 has opened To restart the unit press UNIT switch to the STOP RESET position reset the MOTOR PROTECTOR if tripped then...

Page 108: ...T posi tion then to START position SUN 12 00 AM POWER FAILURE MANUAL RESTART The chiller has shut down because there has been a power failure or interruption with the Control Center con figured for Manual Restart After Power Failure Micro Board program jumper J50 is OUT After power is re stored the unit can be restarted pressing the UNIT switch to STOP RESET position then to START position SUN 12 ...

Page 109: ...efrigerant Float Switch Shutdown timer 20 to 60 minutes is a setpoint that determines the number of minutes the unit is permitted to run without the refriger ant pump running The timer is started when the unit enters SYSTEM RUN and at the instant the refrigerant pump is shut down due to low refrigerant level Since the refrigerant pump is started only after float switches 1F and 3F close indicating...

Page 110: ...he Strong Solution Temperature as mea sured byThermistor RT3 decreased to 136 F 57 7 C before the Chilled Water Flow Switch CHFLS reclosed during a Chilled Water Flow Switch safety shutdown A dilution cycle is not initiated on a Chilled Water Flow Switch shutdown until the flow switch recloses However if the Strong Solution Temperature has decreased to 136 F 57 7 C before this happens a dilution c...

Page 111: ...n power was restored the Strong SolutionTempera ture as measured by Thermistor RT3 was 136 F 57 7 C Since a dilution cycle cannot be performed during a power failure and the Strong Solution Temperature has decreased to 136 F 57 7 C during the power failure crystallization might have occurred This message is ad vising the operator to check for crystallization prior to starting the unit After it has...

Page 112: ...TART position DILUTION CYCLE INTERRUPTION MESSAGES DILUTION INTERRUPTED REF LEVEL SW Displayed when the refrigerant level float switch opens during a dilution cycle The opening of this switch during a dilution cycle terminates the dilution cycle DILUTION INTERRUPTED CH WATER FLOW SW Displayed when the chilled water flow switch opens dur ing a dilution cycle The opening of the flow switch dur ing a...

Page 113: ...mpera ture is less than or equal to 91 F 32 8 C continuously for 1 minute after 30 minutes of unit run time This is indicative of a defective sensor RT3 or Micro Board The reset threshold is any value greater than 91 F 32 8 C WARNING HIGH STEAM SUPPLY PRESSURE Steam Units Only Displayed when the steam supply pressure as sensed by Transducer PT2 is greater than 26 0 PSIA 179 3 kPa When the pressure...

Page 114: ...stem pump and there is a condition s preventing the pump from starting or stop ping that condition s is displayed when the MANUAL PUMP key is pressed If more than one condition is pre venting the pump from operating the messages will scroll on the display until the MANUAL PUMP key is released The messages that can be displayed are as follows SOLUTION PUMP MOTOR OVERLOADS OPEN Not on 50 Hz ModelsYI...

Page 115: ... starting because the purge pump overload 3OL is open The overload must be manually reset MANUAL OPERATION IN SERVICE MODE ONLY Indicates a selected system pump except purge pump cannot be started or a manual dilution cycle cannot be initiated because the Control Center is in LOCAL or REMOTE operating mode System pumps except purge can be manually operated in SERVICE mode only and manual dilution ...

Page 116: ...YORK INTERNATIONAL 115 FORM 155 16 O3 NOTES ...

Page 117: ...116 YORK INTERNATIONAL NOTES ...

Page 118: ...S Olympic Team 36USC380 P O Box 1592 York Pennsylvania USA 17405 1592 Subject to change without notice Printed in USA Copyright by York International Corporation 1997 ALL RIGHTS RESERVED Form 155 16 O3 797 Supersedes 155 16 O3 894 ...

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