York 00497VIP - Manuals

FORM 50.40-OM2 5 YORK INTERNATIONAL System Architecture .................................................................................. 66 Microboard................................................................................................ 68 Microboard Program Jumpers ........................

YORK INTERNATIONAL 6 FIG. 1 – EU DECLARATION OF CONFORMITY ............... 7 FIG. 2 – FIELD WIRING ................................................... 12 FIG. 3 – CONTROL INSTALLATION ................................ 16 FIG. 4 – GROUNDING ..................................................... 16 FIG....

FORM 50.40-OM2 7 YORK INTERNATIONAL FIG. 1 – EU DECLARATION OF CONFORMITY

YORK INTERNATIONAL 8 SECTION 1 – PRODUCT DESCRIPTION The YORK OptiView Remote Control Center is a microprocessor based control system capable of remotely monitoring certain chillers and condensing units. It can monitor and individually control 1 to 8 of these chiller/condensing units. The panel come...

FORM 50.40-OM2 9 YORK INTERNATIONAL CHILLER/CONDENSING CONTROL PANEL(S) All communication with the chiller/condensing units will occur over a single RS-485 port. Reference Figure 2 and the Installation instructions. When the OptiView RCC is first turned on it will initialize by requesting current da...

YORK INTERNATIONAL 10 • At the chiller/condenser control panel that uses a rotary switch to set the ID, use a small screw driver to rotate the rotary switch so that the arrow points at the number that coincides with the Unit’s Identification number (ID#). Unit 1 - Unit 8 coincide to rotary switches ...

FORM 50.40-OM2 11 YORK INTERNATIONAL The software version is printed on a label adhered to the EPROM chip’s surface. A revision level higher than the one listed in the table is acceptable. An example version code is as follows: REQUIRED SOFTWARE VERSION OF THE CHILLER / CONDENSING UNIT EPROMS C. ACS...

YORK INTERNATIONAL 12 FIG. 2 – FIELD WIRING OPTIVIEW RCC PANEL LD06725 Tie Wrap (To help keep wires connected) Ferrite (025-35154-000) (FCC & CE Requirement) A A A Transient Voltage Suppressor (031-02076-000) (Factory Installed) OPTIVIEW REMOTE CONTROL CENTER Installation

FORM 50.40-OM2 13 YORK INTERNATIONAL FIG. 2 – FIELD WIRING OPTIVIEW RCC PANEL (CONT.) LD06726 SHLD BLK SHLD RED (TOTAL NOT TO EXCEED 8) WHT BLK SHLD RED FROM OPTIVIEW RCC WHT BLK RED WHT (COMPONENT SIDE UP) (COMPONENT SIDE DOWN) (COMPONENT SIDE DOWN) XX CUT PINS AS SHORT AS POSSIBLE XX CUT PINS AS S...

YORK INTERNATIONAL 14 LAN TRANSIENT INSTALLATION The properly installed Lan Transient Protection Module, (part number 031-01586-000) will limit the voltage levels seen by the chiller control panel’s RS-485 driver while allowing normal RS-485 network operation under non-transient conditions. For inst...

FORM 50.40-OM2 15 YORK INTERNATIONAL There can be electrical circuitry that presents an electrocution hazard. Be sure that the sources of all power supplies have been properly isolated and secured before attempting any service related activities. External wiring, unless specified as an optional conn...

YORK INTERNATIONAL 16 FIG. 3 – CONTROL INSTALLATION LD06727 Grounding Grounding is the most important factor for successful operation. Electronic equipment reacts to very small currents and must have a good ground in order to operate properly. The NEC states that control equipment may be grounded by...

FORM 50.40-OM2 17 YORK INTERNATIONAL FIG. 5 – SEPARATE CONDUIT INSTALLATION Do not drill a control panel to locate conduit con- nections. Drilling can cause metal chips to land in the electronics and create a short circuit. If you must drill the panel, take the following precautions: 1. Call the pan...

YORK INTERNATIONAL 18 In order to accept changes made to the chiller setpoints, the Check key is provided as a universal ‘Enter’ key or ‘Accept’’ symbol. In order to reject entry of a setpoint or dismiss an entry form, the ‘X’ key is provided as a universal ‘Cancel’ symbol. Cursor Arrow keys are pro...

FORM 50.40-OM2 19 YORK INTERNATIONAL OVERVIEW The new graphical display on each control panel allows a wide variety of information to be presented to the user. Each screen description in this document will begin with a section entitled Overview which will describe the graphical elements on the scree...

YORK INTERNATIONAL 20 Home (page 22) Unit Data (page 24) System Data (page 29) Individual System (page 32) Hours/Starts (page 34) Options (page 36) Trending (page 38) Trend Setup (page 40) Setpoints (page 44) History (page 47) History Details (page 48) RCC Setpoints (page 49) RCC Setup (page 50) Com...

FORM 50.40-OM2 21 YORK INTERNATIONAL This page intentionally left blank to maintain formatting 3

YORK INTERNATIONAL 22 HOME SCREEN OVERVIEW When the OptiView Remote Control Center is powered on, the above default display appears. This screen gives a general overview of the operating status of each unit connected to the OptiView Remote Control Center. The data and control of an individual unit i...

FORM 50.40-OM2 23 YORK INTERNATIONAL is displayed, the unit’s button will be enabled allowing it to be selected. • Running / Faulted will be displayed when at least one system on the unit is running and at least one system is faulted. While this message is displayed, the unit’s button will be enable...

YORK INTERNATIONAL 24 UNIT SCREEN - EXAMPLES 00569VIPC FIG. 10A – YCAL CHILLER FIG. 10B – YCAR CHILLER 00570VIPC Operation

FORM 50.40-OM2 25 YORK INTERNATIONAL FIG. 10C – YCAS CHILLER 00571VIPC FIG. 10D – YCUL CONDENSING UNIT 00572VIPC UNIT SCREEN - EXAMPLES 3

YORK INTERNATIONAL 26 FIG. 10E – YCWS CHILLER 00573VIPC UNIT SCREEN - EXAMPLES

FORM 50.40-OM2 27 YORK INTERNATIONAL OVERVIEW This screen is accessed from the Home Screen. The primary values of the chiller or condensing unit which must be monitored and controlled are shown on this screen. The data available depends on the type of unit. This screen display depicts a visual repre...

YORK INTERNATIONAL 28 Operation This page intentionally left blank.

FORM 50.40-OM2 29 YORK INTERNATIONAL SYSTEMS SCREEN - EXAMPLES FIG. 11A – YCAL CHILLER 00505VIPC FIG. 11B – YCAR CHILLER 00506VIPC 3

OVERVIEW This screen is accessed from the Unit Screen. A chiller can consist of separate refrigerant circuits. Each refrigerant circuit is referred to as a system. This screen shows system specific information for each of the unit’s refrigerant systems. This information can vary according to the typ...

YORK INTERNATIONAL 32 INDIVIDUAL SYSTEM SCREEN FIG. 12A – YCAS CHILLER FIG. 12B – YCAR CHILLER 00509VIPC 00510VIPC Operation

YORK INTERNATIONAL 34 HOURS AND STARTS SCREEN FIG. 13A – YCAL CHILLER 00511VIPC FIG. 13B – YCAS CHILLER 00512VIPC Operation

YORK INTERNATIONAL 36 OPTIONS SCREEN FIG. 14A – YCAL CHILLER FIG. 14B – YCAS CHILLER / YCAR CHILLER 00513VIPC 00514VIPC Operation

FORM 50.40-OM2 37 YORK INTERNATIONAL 3 OVERVIEW This screen, accessed from the UNIT screen, displays all the dip switch settings and other programmable options at the chiller micro panel. These items can only be changed at the chiller micro panel and not at the OptiView Control Center. Depending on ...

YORK INTERNATIONAL 38 OVERVIEW This screen is accessed from the UNIT screen. As many as six Operator selected parameters can be plotted in an X/Y graph format. The X-Axis is scaled per the selected Data Collection Interval and displayed in a time of day or elapsed time format, as selected with the X...

YORK INTERNATIONAL 40 OVERVIEW This screen is accessed from the Trending screen. This screen is used to configure the trending screen. The parameters to be trended are selected from the Common Slots Screen or Common Slots Master list and entered as Slot Numbers for Data Points 1 through 6. The Y-Axi...

FORM 50.40-OM2 41 YORK INTERNATIONAL Select This key is used to enter the slot numbers and the minimum and maximum Y-Axis values of each param- eter to be trended. Pressing this key places a yellow box around Data Point 1 Slot Number. Use the ▲ and ▼ navigation keys to place the box around the value...

00515VIPC YORK INTERNATIONAL 44 SETPOINTS SCREEN - EXAMPLES FIG. 17A – YCAL CHILLER FIG. 17B – YCAS CHILLER 00516VIPC Operation

FORM 50.40-OM2 45 YORK INTERNATIONAL FIG. 17C – YCAR CHILLER 00517VIPC 3

YORK INTERNATIONAL 46 SETPOINTS SCREEN Operation OVERVIEW This screen, accessed from the Unit screen, provides a convenient location for programming the most common setpoints involved in the chiller/condensing unit control. The setpoints depend on the type of unit. Values on this screen are only pro...

FORM 50.40-OM2 47 YORK INTERNATIONAL HISTORY SCREEN OVERVIEW This screen allows the user to browse through the faults. In order to get a more thorough reporting of the system conditions at the time of the recorded shutdown, move to the sub-screen HISTORY DETAILS. The user may use the Select Fault bu...

YORK INTERNATIONAL 48 HISTORY DETAILS SCREEN OVERVIEW This screen allows the user to see an on-screen printout of all the system parameters at the time of the selected shutdown. Not all screens are shown above. The number of screens required to display all of the data varies according to the type of...

FORM 50.40-OM2 49 YORK INTERNATIONAL RCC SETPOINTS SCREEN OVERVIEW This screen is accessed from the Home Screen. This screen shows configuration parameters for this OptiView Remote Control Center. This screen also serves as a gateway to more sub-screens for defining general system parameters. DISPLA...

YORK INTERNATIONAL 50 RCC SETUP SCREEN OVERVIEW This screen is accessed from the RCC Setpoint Screen. This screen shows the general configuration parameters for this OptiView Remote Control Center. It allows programming of the time and date, along with specifications as to how the time will be displ...

YORK INTERNATIONAL 52 COMMS SCREEN OVERVIEW This screen is accessed from the RCC Setup Screen. This screen allows definition of the necessary com- munications parameters. Refer to PRINTER Section of this book for details of the Printer connections and setup. DISPLAY ONLY RS-485 Baud Rate 4800 Shows ...

FORM 50.40-OM2 53 YORK INTERNATIONAL PRINTER SCREEN OVERVIEW This screen is accessed from the RCC Setup Screen. This screen allows definition of the necessary com- munications parameters for the printer. Refer to PRINTER section of this book for details of the Printer connections and setup. DISPLAY ...

YORK INTERNATIONAL 54 DIAGNOSTICS SCREEN FIG. 24 OVERVIEW This screen is accessed from the RCC Setup Screen. This screen provides a view of what software is in use and provides access to a screen for troubleshooting analog and digital inputs. DISPLAY ONLY Software Versions The following software ver...

FORM 50.40-OM2 55 YORK INTERNATIONAL FIG. 25 DIAGNOSTICS I/O SCREEN OVERVIEW This screen is accessed from the Diagnostics Screen. This screen provides a view of the analog and digital inputs for troubleshooting . DISPLAY ONLY Diagnostics is used to analyze the Analog Inputs at the Microboard. The vo...

YORK INTERNATIONAL 56 DIAGNOSTICS RCC COMMS SCREEN OVERVIEW This screen is accessed from the Diagnostics Screen. This screen provides a view of communication for troubleshooting . Communication between the OptiView RCC and the chiller/condenser control panel(s) should consist of the RCC polling (req...

FORM 50.40-OM2 57 YORK INTERNATIONAL Timeout Count A count of each poll request through the Com3 port to a chiller/condenser control panel that did not get a reply within the timeout period (time to wait for a reply). PROGRAMMABLE Clear Counters Resets all the counts to zero. NAVIGATION Home Causes ...

YORK INTERNATIONAL 58 DISPLAY MESSAGES A title bar will be displayed on all screens. This title bar will contain the OptiView Remote Control Center date and time on all RCC screens. This title bar will contain the Chiller/Condensing unit’s date and time on all unit screens. On the Home Screen the me...

FORM 50.40-OM2 59 YORK INTERNATIONAL FIG. 27 – PRINTERS 23887A OKIDATA MICROLINE 184 23889A WEIGH-TRONIX SEIKO DPU-414 00085VIP SECTION 4 – PRINTERS 4

YORK INTERNATIONAL 60 PRINTERS A printer can be connected to the OptiView Remote Control Center’s Microboard to print the following reports. The screen from which each report can be generated is listed in parenthesis. • Operating Data - Present system parameters (Unit) • History - System parameters ...

FORM 50.40-OM2 61 YORK INTERNATIONAL • SEIKO Microboard Printer Function J2-4 pin 3 Tx (data to printer) J2-2 pin 8 DSR (busy signal from printer) J2-9 pin 5 Gnd Cabinet shield Hardware required:Cable – #18 AWG stranded 50ft. maximum length. Connectors – - Microboard: None. Strip 1/4" insulation...

YORK INTERNATIONAL 62 DipSW 2-1= on Printing Columns - 40 2-2 = on User Font Back-up - on 2-3 = on Character Select - normal 2-4 = off Zero - slash 2-5 = on International character set - American 2-6 = on International character set - American 2-7 = on International character set - American 2-8 = of...

FORM 50.40-OM2 63 YORK INTERNATIONAL FIG. 28 – OPERATING DATA PRINTOUT EXAMPLE (YCAS CHILLER) 4 York International CorporationUnit X StatusX Comp Screw 2:04PM 18 JUN 01 System 1 No Cooling LoadSystem 2 Compressor RunningSystem 3 No Cooling LoadSystem 4 Compressor Running OptionsChilled Liquid Type =...

YORK INTERNATIONAL 64 FIG. 28 – CONTINUED York International CorporationUnit X StatusX Comp Screw 2:04PM 18 JUN 01 System 1 No Cooling LoadSystem 2 Compressor RunningSystem 3 No Cooling LoadSystem 4 Compressor Running OptionsLiquid Line Solenoid = On Economizer Solenoid = Off Condenser Fan Stage = 0...

FORM 50.40-OM2 65 YORK INTERNATIONAL This document explains the operation of the printed circuit boards and major components of the OptiView Remote Control Center to a level that allows a Service Technician to troubleshoot and locate the source of a problem. The overall system architecture is descri...

YORK INTERNATIONAL 66 SYSTEM ARCHITECTURE (REFER TO FIG. 28) The OptiView Remote Control Center (RCC) performs the following functions: • Displays chiller operating conditions, alarms, shutdown messages and history data. • Accepts operator-programmed setpoints. • Provides chiller operating data and ...

FORM 50.40-OM2 67 YORK INTERNATIONAL 5 F IG. 30 – CONTR OL CENTER LD06742 PO W E R SUPPL Y M IC R O B O AR D KEYP AD DISPLA Y INTERF AC E BO ARD LI Q U ID CR YST AL DISPLA Y LAMP BA CKLIGHT INVER TER BO ARD LAMP CONTR OL R O W IN COLUMN OUT DISPLA Y D AT A +12 / +5 VDC RS-232 / RS-485 SERIAL D AT A

YORK INTERNATIONAL 68 MICROBOARD (REFER TO FIG. 31 - 36) The Microboard contains the operating software (Program), microprocessor (Micro), and supporting circuits for the Micro. The Program is a set of instructions to control remote chillers and the display. It also contains the Display messages and...

FORM 50.40-OM2 69 YORK INTERNATIONAL The DRAM (dynamic random access memory) is a non battery-backed memory device. The Micro stores data here temporarily for further processing. Data in this device is lost during power failures. DRAM differs from RAM in that DRAM must be periodically refreshed in c...

FORM 50.40-OM2 73 YORK INTERNATIONAL FIG. 31 – MICROBOARD LD06743 FLASH MEMORY CARD BIOS EPR OM BRAM R S 48 5 D ri ve r R S 48 5 D ri ve r 5

FORM 50.40-OM2 75 YORK INTERNATIONAL FPGA M U X M U X A/ D CONVER TE R W ATCH- DOG PR OGRAM SWITCHES M IC R O DRAM DISPL AY CONT R O LLE R DRAM FLASH EPR OM BIOS EPR OM BRAM XCVR PC-104 POR T U A R T INPUT BU FF E R PR OGRAM JUMPERS BA CKLIGHT CONT R O L D AT A B U S XCVR SERIAL D AT A POR T 1 DISPL...

YORK INTERNATIONAL 76 TABLE 2 – MICROBOARD PROGRAM JUMPERS MICROBOARD PROGRAM JUMPERS JP1 - Watchdog enable/disable. The position of this jumper, in conjunction with Program switch SW 1 position 12 enables or disables the program Watchdog protection. Never disable the watchdog protec- tion. Severe c...

FORM 50.40-OM2 77 YORK INTERNATIONAL JP27 - COM 4 serial communications port. Configures COM 4 port to be either RS-485 for Multi-Unit Communications (COM 4A) or RS-232 for MicroGateway board (COM4B). Pins 1-2: Enables port 4A. Allows an RS-485 connection to Microboard J11 for MultiUnit Communicatio...

YORK INTERNATIONAL 78 5 - 11 Not Used 12 - Watchdog Protection -Used in conjunction with Program Jumper JP1 (see above) to enable/disable the program watchdog protection. With JP1 IN , this switch setting has no effect. With JP1 OUT , this switch setting determines whether the watchdog protection is...

FORM 50.40-OM2 79 YORK INTERNATIONAL FIG. 35 – MICROBOARD SERIAL DATA COMMUNICATIONS PORTS LD06749 NOTE: 1. Microboard Program Jumper JP27 determines whether COM 4A or 4B can be used. 1 & 2 - 4A, 2 & 3, 4B. Refer to Table 2. MICRO UART COM 1 COM 4B (NOTE 1) COM 4A (NOTE 1) COM 2 COM 3 COM 5 ...

YORK INTERNATIONAL 80 FIG. 36 – CONFIGURABLE ANALOG INPUTS LD04636 NOTE : 1. Program Jumpers JP21 – JP24 must be positioned on pins 1-2 or 3-4 according to input signal type. Refer to Table 2. NOT USED NOT USED NOT USED NOT USED 0 10 VDC 4 - 20 MA 0-10 VDC 4 - 20 MA 4 3 1 2 16 4 14 2 13 1 MUX 47K JP...

FORM 50.40-OM2 81 YORK INTERNATIONAL LIQUID CRYSTAL DISPLAY (REFER TO FIG. 37 - 42) A 10.4 inch color Liquid Crystal Display , along with supporting components Display Interface Board and Backlight Inverter Board are mounted on a plate that is attached to the OptiView Control Center door. A clear pl...

FORM 50.40-OM2 83 YORK INTERNATIONAL Display mounting plate lists the YORK part numbers of the Display supporting components mounted on the Display mounting plate and the required Microboard Program Jumper (JP2 through 8) configurations. Microboard Program Jumpers JP2 - JP8 will have to be configure...

YORK INTERNATIONAL 84 FIG. 37 – DISPLAY, MOUNTING LD06751 FIG. 38 – LIQUID CRYSTAL DISPLAY TYPICAL CONTROL SIGNAL TIMING LD04066 NOTES: 1. BP = Back Porch = 4-48 CLKS 2. FP = Front Porch = 2-16 CLKS 640 CLKS 640 COLUMNS 31US VSYNC 480 ROWS 16MS ROW 480 ROW 1 ROW 2 BP FP DISPLAY PERIOD DISPLAY PERIOD...

FORM 50.40-OM2 85 YORK INTERNATIONAL LIQUID CRYSTAL DISPLAY SHARP LQ10D367 MOUNTING PLATE DISPLAY INTERFACE BOARD 031-01765-002 DISPLAY CABLE 031-01769-000 INVERTER CABLE 031-01770-003 BACKLIGHT INVERTER BOARD 031-01789-000 LABEL BACKLIGHT BULB 025-33752-000 FIG. 39 – LIQUID CRYSTAL DISPLAY ASSEMBLY...

YORK INTERNATIONAL 86 FIG. 42 – DISPLAY (LG SEMICON LP104V2) LAMP REPLACEMENT LD06754 LAMP HOLDER BEZEL PROTRUSION HOLE LOCKING TAB WIRE (white/GND side) WIRE (pink/HOT side) DIRECTION A DIRECTION B DIRECTION C FIG. 41 – DISPLAY (SHARP LQ10D367) LAMP REPLACEMENT LD04067 LAMP HOLDER BEZEL RETAINING S...

FORM 50.40-OM2 87 YORK INTERNATIONAL DISPLAY INTERFACE BOARD (REFER TO FIG. 43) The Display Interface Board is located on the Liquid Crystal Display mounting plate and is part of the Microboard interface to the Display. It permits the use of Displays by different manufacturers, by providing the Micr...

FORM 50.40-OM2 89 YORK INTERNATIONAL DISPLAY BACKLIGHT INVERTER BOARD (REFER TO FIG. 44) The Display Backlight Inverter Board generates a high voltage AC signal that is applied to the backlight lamp, causing it to illuminate. The magnitude of the signal determines the lamp brightness. Displays by so...

YORK INTERNATIONAL 90 J6 10 987654321 N.C.N.C.N.C. N.C. N.C.N.C. MICRO BOARD INVERTER BOARD 1 2 3 4 5 N.C. CN1 CN2 3 2 1 N. C . RETURN 500 - 1400 VAC BACKLIGHT LAMP BRIGHTNESS CONTROL (NOTE 2) BACKLIGHT ENABLE (NOTE 1) GND + 12 VDC (NOTE 3) INVERTER CABLE 031-02054-001 DISPLAY BACKLIGHT INVERTER BOA...

FORM 50.40-OM2 91 YORK INTERNATIONAL KEYPAD (REFER TO FIGURES 45 & 46) The Keypad contains touch-sensitive keys that allow the Operator to interface with the Control Center. The Operator presses the keys to request the desired screens of information and enter System Setpoints. The top layer of t...

YORK INTERNATIONAL 94 POWER SUPPLY (REFER TO FIG 47) The Power Supply provides the DC power for the LCD Display and all the printed circuit boards in the Control Center. It receives a 100 to 250VAC input from an external power source and provides the following DC outputs: • +12VDC • +5VDC • Ground T...

YORK INTERNATIONAL 96 The problems that could be encountered in the Control Center are in the following categories: • Keypad • Display • Serial Input/Output (I/O) • Digital Input/Output (I/O) • Analog Inputs There is a Diagnostic and associated Troubleshooting procedure for each category. They are d...

FORM 50.40-OM2 97 YORK INTERNATIONAL Each of the Offline Diagnostics is accessed from this screen. Press the appropriate key to select the desired diagnostic. After each diagnostic is performed, return to this MAIN Screen, from which the next diagnostic can be selected. Some of the diagnostics have ...

YORK INTERNATIONAL 98 KEYPAD TEST This diagnostic is used to verify Keypad operation and the Microboard’s ability to respond to a pressed key. Refer to description of Keypad operation in Section 5 of this book. Procedure 1. Press each keypad key. As the key is pressed, an illuminated LED is displaye...

FORM 50.40-OM2 99 YORK INTERNATIONAL Each of the Display Diagnostics is accessed from this screen. After each diagnostic is performed, return to this screen, from which the next diagnostic can be selected. Refer to description of Display operation in Section 5 of this book. PROCEDURE 1. Press the ap...

YORK INTERNATIONAL 100 BIT PATTERNS TEST SCREEN TROUBLESHOOTING If any of the above tests do not perform correctly as described above, perform the applicable procedure below: Test Failed: Bit Patterns - If the vertical bars are not straight or if the red border is not completely visible, either the ...

FORM 50.40-OM2 101 YORK INTERNATIONAL SERIAL INPUTS / OUTPUTS TESTS This diagnostic is used to verify correct operation of the Serial Data Ports. There is a test for each of the five Serial Data Ports. Each RS-232 port (COM 1, 2 and 4b) is tested by transmitting serial test data from outputs to inpu...

YORK INTERNATIONAL 102 displayed, indicating the Serial Port is defective. A FAIL result would be indicative of a defective Microboard. The following is a description of each test. COM 1 – Two tests are performed. Test data is sent from TX (J2-4) to RX (J2-3) at 9600 Baud and DTR (J2-5) is set to a ...

FORM 50.40-OM2 103 YORK INTERNATIONAL DIGITAL INPUTS / OUTPUTS TESTS This diagnostic is used to analyze the digital inputs and outputs of the Microboard. The state of each Microboard Program Jumper and Program DIP Switch, as interpreted by the Microboard, is depicted by an LED. If the Microboard int...

YORK INTERNATIONAL 104 ANALOG INPUTS TESTS This diagnostic is used to analyze the Analog Inputs to the Microboard. The voltage level of each Analog input, as interpreted by the Microboard, is displayed. The “Counts” listed for each parameter is the Analog-to- Digital (A/D) converter value and is for...

FORM 50.40-OM2 105 YORK INTERNATIONAL SYSTEM COMMISSIONING CHECKLIST 5 Use the following checklist during commissioning to assure all Setpoints have been programmed to the desired value and all calibrations have been performed. The Setpoints are grouped under the Display Screen in which they appear....

YORK INTERNATIONAL 106 SECTION 6 – PART NUMBER AND RENEWAL PARTS ITEM DESCRIPTION FIG. NO. QTY. PART NO. 1 MICROPROCESSOR BOARD (NOTE 2) 56 1 031-01730-002 2 POWER SUPPLY ASSY 56 1 371-02750-411 3 KEYPAD 55 1 024-30974-001 4 TERMINAL BLOCK 56 1 025-35120-000 5 DISPLAY KIT (NOTE 1) 55 1 331-02053-000...

FORM 50.40-OM2 107 YORK INTERNATIONAL 5 3 00533VIP FIG. 55 – FRONT OF OPTIVIEW REMOTE CONTROL CENTER FIG. 56 – INSIDE OF OPTIVIEW REMOTE CONTROL CENTER 00534VIP 22 2 4 8 10 12 11 1 9 7 6 20 23 6

YORK INTERNATIONAL 108 13 16 17 15 14 FIG. 57 – INSIDE DOOR OF OPTIVIEW REMOTE CONTROL CENTER 00535VIP Renewal Parts

YORK INTERNATIONAL 110 The following factors can be used to convert from English to the most common SI Metric values. TEMPERATURE To convert degrees Fahrenheit (°F) to degrees Celsius (°C), subtract 32° and multiply by 5/9 or 0.5556. To convert a temperature range (i.e. 10°F or 12°F chilled water ra...