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York MILLENNIUM YIA-HW-14F3, Operation Manual

The York MILLENNIUM YIA-HW-14F3 is a high-quality air conditioner that provides efficient cooling for your space. Ensure proper use by referring to the Operation Manual, available for free download from manualshive.com. This comprehensive manual will help you maximize the performance of your device and ensure its longevity.

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110

          YORK INTERNATIONAL

After it has been determined that crystallization has not
occurred during the shutdown, the unit can be restarted.
To restart unit, press UNIT switch to STOP/RESET po-
sition, then press the WARNING RESET key in SER-
VICE mode, and then initiate a start.

 

 

    SUN 12:00 AM HIGH STEAM SUPPLY PRESSURE

(Steam Units Only; not applicable to units equipped with
EPROM version A.02F.02 or later) )

Unit has shut down because the steam supply pressure,
as sensed by Transducer PT2, has increased to 29.0
PSIA (199.9 kPa). The unit will be allowed to restart when
pressure decreases to 28.9 PSIA (199.2 kPa). To restart
unit, press the UNIT switch to STOP/RESET position,
then to START position.

  

 

   SUN 12:00 AM – MCFL – CHK FOR CRYSTALLIZATION

(Units equipped with Franklin pumps only)

(MCFL = Motor Coolant Float Switch)

This message indicates the unit is prevented from start-
ing because the Strong Solution Temperature (as mea-
sured by Thermistor RT3) decreased to < 136°F (57.7°C)
before the Motor Coolant Float Switch reclosed during a
“Motor Coolant Switch” safety shutdown.

A dilution cycle is not initiated on “Motor Coolant Float
Switch” safety shutdowns until the float switch recloses.
However, if the Strong Solution Temperature has de-
creased to < 136°F (57.7°C) before the switch closes, a
dilution cycle is not initiated because crystallization might
have occurred during the shutdown. This message ad-
vises the operator to check for crystallization prior to
starting the unit.

After it has been determined that crystallization has not
occurred during the shutdown, the unit can be restarted.
To restart unit, press UNIT switch to STOP/RESET po-
sition, then press WARNING RESET key in SERVICE
mode and then initiate a start.

  

    SUN 12:00 AM – PF – CHK FOR CRYSTALLIZATION

(PF = Power Failure)

This message indicates the unit is prevented from start-
ing because a power failure interrupted a dilution cycle
or prevented a dilution cycle from being initiated and
when power was restored, the Strong Solution Tempera-
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 been determined that crys-
tallization has not occurred, the unit can be started. To
start unit, press UNIT switch to STOP/RESET position,
press WARNING RESET key in SERVICE mode, then
initiate a start.

CYCLING SHUTDOWNS

 

 

    SUN 12:00 AM COND FLOW SWITCH – AUTO START

Condenser flow switch has opened for 30 consecutive
seconds while unit was running or did not close within
30 seconds of the condenser water pump starting at unit
start. The unit will automatically restart when the flow
switch closes.

  

    SUN 12:00 AM POWER FAILURE – AUTO START

A power failure has occurred with the Control Center
operating in “Auto-Restart After Power Failure Mode”
(Micro Board program jumper J50 in IN). If the unit is
running when the power failure occurs, it will automati-
cally restart when power is restored.

 

 

    SUN 12:00 AM LOW WATER TEMP – AUTO START

The leaving chilled water temperature has decreased to
2°F (0.5°C) below the LEAVING CHILLED WATER
TEMP set-point. The unit will automatically restart when
the water temperature increases to 2°F (0.5°C) above
the setpoint. If the setpoint is increased while the unit is
running, the shutdown threshold is the previous thresh-
old for 30 minutes to eliminate nuisance trips.

  

    SUN 12:00 AM LVG WATER TEMP <  SETPOINT

The unit is shut down for any reason other than

 

 

 SUN 12:00 AM LOW WATER TEMP – AUTO START

    

and the leav-

ing chilled water temperature is less than the LEAVING
CHILLED WATER TEMP setpoint. It will be allowed to
start when the water temperature is equal to or greater
than the setpoint. If a start signal is applied while shut-
down with this condition, the unit will automatically start
when the condition clears.

NOTE: This check is not performed if the unit has shut

down on

 

 

 SUN 12:00 AM LOW WATER TEMP – AUTO START   

 

. If

Summary of Contents for MILLENNIUM YIA-HW-14F3

Page 1: ...1 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...

Page 2: ...ON 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...

Page 3: ...ice 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 chang...

Page 4: ...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 pu...

Page 5: ...e 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 sag...

Page 6: ...led 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 ente...

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...

Page 8: ...he 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 solut...

Page 9: ...led 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 inhibit...

Page 10: ...he 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 diluti...

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 press...

Page 12: ...VG 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 STE...

Page 13: ...OWN 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 EL...

Page 14: ...Z 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 PUM...

Page 15: ...OSES 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...

Page 16: ...LLDOWN 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 M...

Page 17: ...DE 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...

Page 18: ...NSER 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...

Page 19: ...LOSED 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 SHUT...

Page 20: ...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 PA...

Page 21: ...ABILIZER 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 PU...

Page 22: ...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 W...

Page 23: ...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 EN...

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 C...

Page 25: ...H 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 RE...

Page 26: ...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...

Page 27: ...MP 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 STRON...

Page 28: ...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 IN...

Page 29: ...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 SYSTE...

Page 30: ...SSED 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 R...

Page 31: ...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...

Page 32: ...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...

Page 33: ...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...

Page 34: ...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 H...

Page 35: ...RESS 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 COUNTE...

Page 36: ...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...

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 TR...

Page 38: ...OUND 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 ST...

Page 39: ...N 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 YE...

Page 40: ...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 ST...

Page 41: ...UTDOWN 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 SHUTDO...

Page 42: ...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 I...

Page 43: ...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...

Page 44: ...ON 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 OP...

Page 45: ...S 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 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 CO...

Page 47: ...FF 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...

Page 48: ...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 S...

Page 49: ...N 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...

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 CONDENSAT...

Page 51: ...TION 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 CONTACT...

Page 52: ...TER 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...

Page 53: ...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 SC...

Page 54: ...UTDOWN 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 SHUTO...

Page 55: ...Y 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 CHIL...

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...

Page 57: ...LOSE 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 WATE...

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...

Page 59: ...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 S...

Page 60: ...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...

Page 61: ...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 TIM...

Page 62: ...3 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...

Page 63: ...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...

Page 64: ...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 CONDENSA...

Page 65: ...ION 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...

Page 66: ...E 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 STA...

Page 67: ...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...

Page 68: ...YCLE 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 VA...

Page 69: ...LOSE 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 COUNT...

Page 70: ...NDENSATE 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...

Page 71: ...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 S...

Page 72: ...OL 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 OVER...

Page 73: ...RAIN 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 CONTA...

Page 74: ...N 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...

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 COUN...

Page 76: ...ATE 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 ABSORBE...

Page 77: ...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 O...

Page 78: ...OL 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 OVERLO...

Page 79: ...N 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 CONTA...

Page 80: ...N 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 YE...

Page 81: ...TION 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...

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...

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 N...

Page 84: ...UTDOWN 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 CONT...

Page 85: ...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 TI...

Page 86: ...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...

Page 87: ...R 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 O...

Page 88: ...OSE 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 I...

Page 89: ...y 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...

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...

Page 91: ...N 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...

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...

Page 93: ...ERVAL 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 r...

Page 94: ...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 relea...

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 S...

Page 96: ...he 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 Mana...

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...

Page 98: ...u 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...

Page 99: ...ired 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 u...

Page 100: ...ump 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 con...

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 REF...

Page 102: ...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 Di...

Page 103: ...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...

Page 104: ...M 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...

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...

Page 106: ...e 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 02...

Page 107: ...tor 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...

Page 108: ...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 Man...

Page 109: ...frigerant 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...

Page 110: ...e 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...

Page 111: ...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...

Page 112: ...ART 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...

Page 113: ...pera 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...

Page 114: ...tem 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...

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...

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

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

Page 118: ...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...

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