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York MILLENNIUM YIA-HW-14F3, Руководство по эксплуатации

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YORK INTERNATIONAL

5

FORM 155.16-O3

it and opens when the level decreases below the float,
and 1F is at a higher level than 3F, it is not possible that
1F would be closed if 3F is still open; unless one of the
switches is stuck in one position. If this condition is de-
tected, a safety shutdown is performed and “DAY-TIME-
REF PUMP FLOAT SW CONFLICT” is displayed. NOTE:
the state of each float switch is not recognized as being
valid until it has been in the same position for the dura-
tion of the respective float switch timer. 1F is determined
by REFRIGERANT PUMP STARTUP DELAY setpoint
timer; 3F is determined by REFRIGERANT PUMP
SHUTDOWN DELAY setpoint timer. Therefore, the float
switch conflict will be allowed to exist for the duration of
the respective timer, depending upon which float switch
is causing the conflict.

The refrigerant level solenoid (unloader control) valve is
energized (open) whenever the refrigerant level float
switch opens and the leaving water temperature is less
than 5°F (2.8°C) above setpoint. If the refrigerant tem-
perature is above 34.0°F (1.1°C), the solution (absorber
on 50 Hz Models YIA-10E3 – YIA-14F3 with Franklin
pumps) pump is also turned on. If however, the refriger-
ant temperature falls below 34.0°F (1.1°C), the solution
(absorber on 50 Hz Models YIA-10E3 – YIA-14F3 with
Franklin pumps) pump is turned off and will not turn on
until the refrigerant temperature has risen above 35.5°F
(1.9°C). If the refrigerant temperature is above 36.0°F
(2.2°C), the stabilizer refrigerant solenoid valve is de-
energized (closed). Coincidental with the opening of the
steam or hot water stop valve, if selected by the opera-
tor, a software timer is initiated, limiting the steam or hot
water control valve actuator opening, delaying the auto-
matic temperature-controlled operation of the actuator.
This function prevents excessive steam or hot water use
during unit pulldown, allowing the unit to ramp up to match
the load over an adjustable 0 to 255 minute interval. This
feature is called the Pulldown Demand Limiter. At the
conclusion of the pulldown interval or whatever the
pulldown limit is not exceeded, unit loading is controlled
by the automatic temperature control algorithm.

The minimum position of the modulating steam or hot
water valve is programmable from 10-20% valve posi-
tion. The micro panel varies the load by pulsing the steam
or hot water control valve actuator close and open to
control chiller capacity from the programmed lower limit
(10 - 20%) to 100%. At unit shutdown, the steam or hot
water control valve is driven closed. A potentiometer on
the valve provides position feedback to the micro panel,
which is displayed on the keypad via the DISPLAY DATA
key. System start is only allowed when the steam or hot
water control valve is unloaded below 10%. Steam or
hot water units are used for cooling only. All units can be
manually controlled (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 message displayed is “SYSTEM RUN -
MAXIMUM COOLING”.

During operation, the refrigerant temperature sensor,
which is continuously monitored and displayed, provides
several control functions. If the refrigerant temperature
falls to 35.5°F (1.9°C), the stabilizer refrigerant solenoid
valve (2SOL) is energized (open) on units equipped with
Franklin pumps; if the unit is equipped with Buffalo pumps,
it will be energized only if the refrigerant pump is run-
ning. This transfers refrigerant to the generator’s solu-
tion outlet line to reduce the concentration, thus reduc-
ing the cooling capacity of the unit. This lessens the pos-
sibility of crystallization. Simultaneously, the warning
message “LOW REFRIGERANT TEMPERATURE” is
displayed via the STATUS key and unit loading is inhib-
ited. If the temperature falls to 34.0°F (1.1°C), the solu-
tion (absorber on 50 Hz Models YIA-10E3 – YIA-14F3
with Franklin pumps) pump turns off; this should allow
the refrigerant temperature to rise. If the refrigerant tem-
perature rises to 35.5°F (1.9°C), the solution pump turns
on. If the refrigerant temperature rises to 36.0°F (2.2°C),
the stabilizer refrigerant solenoid valve is de-energized
(closed), and the unit loading inhibit is removed. How-
ever if the refrigerant temperature continues to fall, a
low refrigerant temperature safety shutdown occurs at
33.0°F (.5°C). If the unit experiences a shutdown when
the refrigerant temperature is 34°F (1.1°C) or below, the
chilled water pump continues to run for a minimum of 30
minutes. Subsequently, when the refrigerant tempera-
ture rises to 37.0°F (2.8°C), the dilution cycle begins.

The motor coolant solenoid valve (units with Franklin
pumps only) is energized (open) whenever the strong
solution temperature is above 160°F (71.1°C) (on units
equipped with EPROM version A.02F.02 or later, this
threshold is programmable from 127°F to 160°F (52.8 to
71.1°C); the threshold should only be programmed by a
qualified service technician following instructions in “Ser-
vice” manual, Form 155.16-M3). The solenoid is de-en-
ergized (closed) whenever the strong solution tempera-
ture is below 150°F (65.6°C) (on units equipped with
EPROM version A.02F.02 or later, the close threshold is
equal to the programmed open threshold minus 10°F).
The purpose of the valve is to prevent evaporation of
water from the float chamber during unit shutdown or
when the unit operates at low load and low condensing
water temperatures. However, if the refrigerant and so-
lution (absorber and generator on 50 Hz Models YIA-
10E3 – YIA-14F3 with Franklin pumps) 

pump motor cool-

ant level float switch opens, the unit locks out on a safety
shutdown.

A feature limits the steam or hot water control valve open-

Содержание MILLENNIUM YIA-HW-14F3

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 117: ...116 YORK INTERNATIONAL NOTES...

Страница 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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