York 00497VIP manual First initiate table complete, Fpga configuration, Mini-card signature test

Page 69

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 circuit.

The BIOS EPROM (basic input/output system erasable programmable read only memory) is a memory device that contains the bootstrap or power-up program. It is located in socket location U45. This EPROM is replaceable. Refer to the YORK Renewal Parts List. The EPROM version is an alphanumeric code that represents the application and revision level. The version is printed on a label adhered to the EPROM’s surface. The version code is as follows:

C. MLM. 00. XX.

Revision level. Increments 01, 02 etc.

OptiView BIOS EPROM

MILLENNIUM

Commercial

When power is applied to the Control Center following a power failure, the Micro executes the instructions in the BIOS EPROM program to initialize, configure and start operation of certain Microboard components before the main program (stored in the Flash Memory Card) is started. Depending upon the application, the Microboard could be equipped with an EPROM that has either 128K, 256K or 512K capacity. Microboard Program Jumper JP38 must be positioned according to the actual EPROM installed. Refer to Table 2 (Program Jumpers). There are 5 steps to the boot-up process. During the boot-up process, there is a visual indication as each step is performed, followed by a Pass/Fail status of the step. On the Microboard, a green LED flashes to indicate the step was successful. If a step is unsuccessful, a red LED flashes and the Boot-up process terminates. The execution and Pass/Fail status of steps 3 through 5 are displayed on a white Keypad Display Screen as they are performed. This white display screen also lists the BIOS EPROM Version. The steps of the Boot-up process are as follows. Also, below is listed the LED activity associated with each step.

FORM 50.40-OM2

BOOT-UP STEP AND DESCRIPTION

1. First initiate table complete.

Registers in the Micro are configured to allow it to perform basic memory read/write functions.

2. FPGA configuration.

The Field Programmable Gate Array (FPGA) is configured to process Digital Inputs and Outputs.

3. Mini-card signature test.

A location in the Flash Memory Card that contains a code identifying the Manufacturer is compared to other locations that contain the manufacturer’s name. If these values are the same, it is pass. If they are different, it is fail.

4. Mini-card checksum.

The Flash Memory Card checksum is calculated and compared to the checksum value that is stored in the Card at the time the Card was initially programmed at the YORK factory. If both values are the same, it is considered pass. If the calculated value is different than the stored value, it is considered fail.

5. BRAM quick test.

Test data is written to and then read from several memory locations to verify BRAM operation.

LED INDICATORS

When power is applied to the Control Center, both the red and green LED’s simultaneously illuminate for 1 second, then the Boot-up process begins in the following sequence (Note: While one LED flashes the other is off.). When all steps have been completed, both the green and the red LED’s illuminate and remain illuminated.

 

 

 

5

STEP

PASS

FAIL

1

Green on, Red off

Watchdog will

 

initiate a re-boot.

 

 

 

 

 

 

 

 

2

Green flash once

Boot-up process halts.

 

One red flash repeating

 

 

 

 

 

 

 

 

3

Green flash once

Boot-up process halts.

 

Two red flashes repeating

 

 

 

 

 

 

 

 

4

Green flash once

Boot-up process halts.

 

Three red flashes repeating

 

 

 

 

 

 

 

 

5

Green flash once

Boot-up process halts.

 

Four red flashes repeating

 

 

 

 

 

 

 

 

YORK INTERNATIONAL

69

Page 68 Page 70
Image 69
Page 68 Page 70
Contents Optiview Remote Control Center Remote Control CenterSafety Symbols General Safety GuidelinesChangeability of this Document Table of Contents List of Tables List of Figures EU Declaration of Conformity Product Description CHILLER/CONDENSING Control Panels Installation Required Software Version Chiller / Condensing Unit Eproms Optiview Remote Control Center From Optiview RCC Unit Microboard Unit Microboard 031-01314-000 031-02050-001Voltage Source Figure Wire SizingGround Wire Size Figure Wiring Practices FigureGrounding Sides or bottom of the panel and use a conduit drain Do not drill a control panel to locate conduit conOperation Setpoint / Change Schedule Screen Descriptions and UsageSetpoints Manual ControlsScreen Navigation Layout This page intentionally left blank to maintain formatting Home Screen Unit Control TemperatureUnit Type Unit StatusUnit Run Indicator LED Average Ambient TemperatureUnit # Ycal Chiller Unit Screen ExamplesYcas Chiller Ycws Chiller Unit Screen This page intentionally left blank Systems Screen Examples 00507VIPC Systems Screen Individual System Screen None Hours and Starts Screen Operating Hours Total StartsYcas Chiller / Ycar Chiller Options ScreenAmbient Control Mode Units Display ModeLocal/Remote Control Mode Language Display ModeTrending Trending ScreenStart Trend SetupStop AxisTrend Setup Screen Chart TypeCollection Interval Data Point Slot # SelectData Point Min Data Point MaxThis page intentionally left blank This page intentionally left blank Setpoints Screen Examples 00517VIPC Setpoints Screen History Screen Last FaultsPrint History Print All HistoriesHistory Details Screen History PrintoutDown Setup RCC Setpoints ScreenNumber of Units Connected Clock Enabled / Disabled RCC Setup ScreenSet Date Set TimeUnits DiagnosticsComms PrinterComms Screen RS-485 Baud RateRCC Poll Time 5-30 sec Printer Screen Diagnostics Screen Software VersionsRCC Comms Digital Inputs Diagnostics I/O ScreenDiagnostics RCC Comms Screen Clear Counters Timeout CountStatus Messages Display MessagesPrinters PrintersWeigh-Tronix Models 2600 Equipped with an RS-232 Serial interface OkidataSeiko Okidata 182, 182 turbo, 184 turboHardware required ConnectorsWEIGH-TRONIX Printer ModelAutomatic Data Logging Printer SetupLocal/Remote Control Mode Suction Temperature = 42.9 F Discharge Temperature Introduction ServiceRefer to FIG System ArchitectureControl Center Refer to MicroboardFirst initiate table complete Fpga configurationMini-card signature test Mini-card checksumService York International Bios Eprom U45 Flash Memory Card Bram Bios Eprom Flash Memory Card From Pins 1-2 RS-232 Pins 2-3 RS-485 JP10 JP26 Not used Microboard Program JumpersWatchdog protection as follows JP39, JP40, JP41, JP42 Not used JP34, JP35, JP36, JP37 Not UsedTion! Severe compressor or chiller Microboard Program SwitchesMicroboard Serial Data Communications Ports Configurable Analog Inputs Ment Displays or supporting components cannot be Liquid Crystal DisplayDisplay Replacement Kit Installation Sharp LQ10D367 Display Refer to RemovalLG Semicon LP104V2 Display refer to Removal DISPLAY, Mounting Liquid Crystal Display Assembly LG Semicon LP104V2 Display Sharp LQ10D367 Lamp Replacement Display Interface Board 031-01765-001031-01765-002 Display Interface Board Display Backlight Inverter Board Inverter Refer to Figures 45 KeypadKeypad LD04075 Power Supply Power Supply Refer to Offline Diagnostics & TroubleshootingMain Diagnostics Screen Keypad Test Display Test ProcedureBIT Patterns Test Screen From Serial Inputs / Outputs TestsRS-485 From From COM 4b102 Digital Inputs / Outputs Tests Analog Inputs Tests System Commissioning Checklist Part Number and Renewal Parts 107 108 109 110 SI Metric ConversionPage ALL Rights Reserved

00497VIP specifications

York 00497VIP is an innovative system designed to enhance efficiency and comfort in residential and light commercial environments. Central to its appeal is its commitment to energy efficiency and environmentally friendly operation, making it a popular choice for those looking to reduce their carbon footprint.

One of the standout features of the York 00497VIP is its advanced variable speed compressor technology. This technology allows the system to adjust its cooling and heating output based on real-time demand, leading to significant energy savings. Unlike traditional systems that often operate at a single speed, the variable speed compressor modulates its output to maintain a consistent indoor climate, ensuring optimal comfort while minimizing energy consumption.

The system is equipped with a high-efficiency air handler that enhances airflow, ensuring that every corner of the space benefits from consistent temperature control. Its unique design facilitates quiet operation, making it ideal for residential spaces where noise levels need to be kept to a minimum. This whisper-quiet functioning doesn’t compromise power, as the air handler is designed to work collaboratively with the compressor to deliver efficient cooling or heating throughout the home.

York has integrated smart technology into the 00497VIP, allowing homeowners to control the system remotely via smartphone applications. This feature not only adds convenience but also enables users to monitor energy usage and adjust settings from anywhere, enhancing the possibility of energy savings.

The system also boasts advanced filtration capabilities, utilizing a multi-stage filtration system to capture dust, allergens, and other airborne particles. This technology improves indoor air quality, promoting a healthier living environment.

In terms of adaptability, the York 00497VIP is compatible with a range of smart home systems, seamlessly integrating into existing setups. This flexibility extends to its installation, as it can be tailored to fit various spaces without significant modifications to the existing infrastructure.

Built to withstand diverse environmental conditions, the York 00497VIP is constructed with durable materials, ensuring longevity and reliable performance. This combination of efficiency, smart features, and adaptability makes it an ideal choice for consumers seeking a sustainable and effective heating and cooling solution for their home or light commercial space.
Top Page Image Contents