York MILLENNIUM User Manual Download

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MILLENNIUM

®

REMOTE CONTROL CENTER

OPERATORS GUIDE

29535A

OPERATING INSTRUCTIONS

Millennium

®

REMOTE CONTROL CENTER

YCAL CHILLERS AND YCUL CONDENSING UNITS

New Release

Form 150.62-NM3 (100)

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Summary of Contents for MILLENNIUM

Page 1: ...MILLENNIUM REMOTE CONTROL CENTER OPERATORS GUIDE 29535A OPERATING INSTRUCTIONS Millennium REMOTE CONTROL CENTER YCAL CHILLERS AND YCUL CONDENSING UNITS New Release Form 150 62 NM3 100 ...

Page 2: ...rd 3 40 Character Display 3 Keypad 3 Status 3 Display Print 3 Entry 3 Setpoints 3 Unit 3 Communications 3 Section 2 Status Messages 4 General Status Messages 4 Fault Status Messages 5 Unit Faults 5 System Faults 6 Section 3 Unit Data 7 Operating Data Displays 7 History Data 8 Data Printing 8 Optional Printer Installation 9 Parts 9 Assembly and Wiring 9 Section 4 Programmable Values 10 Cooling Setp...

Page 3: ... viewing in direct sunlight Keypad An operator keypad allows complete control of the unit from a remote location The keypad offers commands available to access displays program setpoints and ini tiate unit run commands There are 5 divisions to the keypad They are outlined below Status This section consists of the STATUS key and the 40 character display The STATUS key will be used to display the cu...

Page 4: ...con tact is open in series with the flow switch STATUS MESSAGES U N I T S W I T C H O F F S H U T D O W N D A I L Y S C H E D U L E S H U T D O W N R E M O T E C O N T R O L L E D S H U T D O W N F L O W S W I T C H R E M S T O P N O R U N P E R M SYS SWITCH OFF tells that the system switch on the microboard is turned off The system will not be al lowed to run until the switch is turned back on Th...

Page 5: ...he setpoint schedule or load limiting when the chiller is in local control mode Fault Status Messages A number of possible fault messages may appear when the STATUS key is pressed Whenever a fault message appears the safety thresholds on the unit have been exceeded and the entire unit or a single system will be shut down and in some cases locked out Unit Faults The Low Ambient Temp Cutout is a saf...

Page 6: ...ould result in system damage When the 115VAC to the micropanel drops below a specific level a unit fault is initiated to safely shut down the unit Restart is allowed after the unit is fully powered again and the anti recycle timers have finished counting down The Low Battery Warning can only occur at unit power up When the chiller micropanel is suppled power the RTC battery is checked on the chill...

Page 7: ...s sors and will only display such Unit load and unload timers Refer to unit manual for detailed loading and unloading scheme The cooling demand indicates the step of capacity control the chiller control panel is controlling at See the chiller manual for details On two system units this message indicates which sys tem is the lead Chiller evaporator pump contacts and evaporator heater status The num...

Page 8: ... pressed while a print is currently being performed the following message is displayed for a few seconds and then unit status is displayed Sample Printout D I S P L A Y S A F E T Y S H U T D O W N N O X 1 T O 6 P R E S S O P E R D A T A O R H I S T O R Y K E Y T O P R I N T P R I N T I N G O P E R A T I N G D A T A P R I N T E R C U R R E N T L Y A C T I V E YORK INTERNATIONAL CORPORATION MILLENNI...

Page 9: ...d spe cifically for YORK is P N 950915576 The cable to connect the printer can either be locally assembled from FIG 1 PRINTER TO MICROBOARD ELECTRICAL CONNECTIONS LD02722 the parts listed or ordered directly from WEIGH TRONIX under part number 287 040018 PARTS The following parts are required 1 WEIGH TRONIX model 1220 printer 2 2 25 5 7cm wide desk top calculator paper 3 25 ft 7 62m maximum length...

Page 10: ...T I O N S Following are the messages for the programming of the setpoint and range for leaving and return chilled liquid control respectively These are for chillers only Following are the messages for the programming of the setpoint and range for discharge air temp and suction pressure control respectively These are for condens ing units only S E T P O I N T X X X X F R A N G E X X F S E T P O I N...

Page 11: ...pace next to the S is the cursor and will move to the next empty space when the ENTER ADV key is pressed To set the Holiday the cursor is moved to the space following the day of the week of the holiday and the UP arrow key is pressed An will appear in the space signifying that day as a holiday The can be removed by pressing the DOWN arrow key The Holiday schedule must be programmed weekly once the...

Page 12: ...12 YORK INTERNATIONAL LD05175 FIELD WIRING FIG 2 FIELD WIRING Field Wiring ...

Page 13: ...13 YORK INTERNATIONAL FORM 150 62 NM3 LD05175 FIELD WIRING FIG 3 FIELD WIRING 5 ...

Page 14: ...14 YORK INTERNATIONAL This page intentionally left blank ...

Page 15: ...15 YORK INTERNATIONAL FORM 150 62 NM3 This page intentionally left blank ...

Page 16: ...ic Team 36USC380 P O Box 1592 York Pennsylvania USA 17405 1592 Subject to change without notice Printed in USA Copyright by York International Corporation 2000 ALL RIGHTS RESERVED Form 150 62 NM3 100 New Release 717 771 7890 www york com ...

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