Page 4 FORM Page 5 FORM Page 7 FORM Page 8 FORM Page 9 FORM Page 10 FORM Page 12 FORM The evapora- While the chiller is running, the refrigerant level is nor- tor shell contains dual refrigerant relief valves unless mally controlled to the level setpoint. Page 14 hour performance monitoring via a remote site.
An cling shutdown. Software versions The major components of a chiller are selected to C. Page 16 FORM Page 17 FORM It can The YORK YMC chiller is designed to use less power be requested as factory-supplied on a chiller by taking advantage of lower than design temperatures order by special quotation. For safety reasons, this position is required reference for operating the system. Readings taken for many maintenance tasks to be completed. This of time for example, over the winter season , the fol- conserves the battery.
Page 25 FORM Page 26 FORM Page 28 FORM The played, an English speaking person should navigate desired language is selected from those available. Page 31 FORM This provides a snapshot of the primary operating conditions at the time the key is Evaporator pressed.
Page 33 FORM Page 35 FORM Page 37 FORM Home Causes an instant return to the Home Screen. Page Figure 9 - Heat Pump Screen All setpoints pertinent to this feature are maintained on Heat Pump is an available option on certain models of this screen.
YMC2 chillers. Page 39 FORM Page 40 FORM Page 42 FORM Bearing Controller parameters and event log. Power Panel Surge Moves to the subscreen that allows viewing power Moves to the subscreen that allows viewing and pro Page 44 FORM Page 46 FORM Page 48 FORM Allows the user to select whether the chiller will shut- Compressor down or continue to run when an Excess Surge situa- tion has been detected. Page 53 FORM Page 55 FORM Page 57 FORM Displays the three-phase input current values measured by the VSD.
Page 59 FORM This This screen provides a convenient location for pro- is the minimum of the locally or remote received via gramming the most common setpoints involved in the VDC, VDC, mA or mA input or Page 61 FORM If within range, the value will be accepted. Page 64 FORM Printer Moves to the subscreen allowing configuration and control of printer functions. Sales Order Moves to the subscreen displaying the Sales Order in- formation for the chiller system.
Page 66 FORM With the selection box around the de- nications parameters. Page 70 Service Technician. Factory during the manufacturing of the chiller. Page 71 FORM Job Name and Location Factory defined job name and location the chiller is Setup destined for. Page 74 FORM View Details Causes a move to a subscreen containing the value of select chiller parameters at the time of the associated shutdown. Page 76 FORM These parameters are Causes an instant return to the Home Screen.
If it is desired to change an already entered This screen allows the Service technician to select up to parameter, use the 5 and 6 keys to place the selection 10 parameters for display on the Custom View Screen. Page 79 FORM Upon restoration of power, Allows the data on the trend screen to be printed in the last screen of data that was collected will be dis- tabular format. Pressing it will return the access level to VIEW. Use this key to generate a hard-copy report of the present system status.
This provides a snapshot of the primary operating conditions at the time the key is pressed. The History page provides enhanced reporting capability.
See the Adaptive Capacity Control Details screen. When certain safety or cycling conditions have been detected and the chiller has been shutdown, the main status display of the chiller will continue to display a message indicating the cause of the shutdown. Using this key, the message can be cleared once the condition has been removed. Use of this key acknowledges a warning condition and resets the message display associated with it.
A detailed view of all the compressor parameters. This screen provides a single location to program the most common system setpoints. This screen provides access to a snapshot of system data at each of the last 10 shutdown conditions. This screen gives a general overview of common chiller parameters for both shells. Displays the temperature of the refrigerant in its gaseous state at discharge of the compressor as it travels to the condenser.
Displays the active temperature setpoint to which the chiller is controlling the evaporator liquid. Displays the pressure differential between the pump oil pressure transducer and the sump oil pressure transducer.
This screen displays a cutaway view of the chiller evaporator. All setpoints relating to the evaporator side of the chiller are maintained on this screen. Animation of the evaporation process indicates whether the chiller is presently in a RUN condition. Displays the temperature of the refrigerant in the evaporator, if the sensor is present.
Displays the difference between the Leaving Chilled Liquid temperature and the Evaporator Refrigerant temperature. The Evaporator Refrigerant temperature will be represented by the Refrigerant Temperature sensor input if the sensor is present, otherwise it will be represented by the Evaporator Saturation temperature.
Displays the present setpoint to which the chiller is operating, whether controlled locally or remotely. Displays the Leaving Chilled Liquid Temperature at which the chiller will shut down to avoid over-cooling the building. Displays the Leaving Chilled Liquid Temperature at which the chiller will restart after it has shut down due to over-cooling temperature. It is programmable over the range of If Smart Freeze see below is enabled, the range is In this case, the incoming setpoint is not an offset that is applied to the locally programmed Base setpoint value, but rather is the setpoint value itself.
It establishes the minimum allowable temperature for the Leaving Chilled Liquid Temperature and prevents overcooling of the building. Anytime the Leaving Chilled Liquid Temperature setpoint is increased, the shutdown. If Smart Freeze see below is enabled, the threshold is After ten 10 minutes have elapsed, the shutdown threshold becomes the programmed setpoint value.
The chiller will automatically restart when this temperature is reached. This setpoint can be used to reduce chiller cycling by delaying the chiller restart until the cooling load has increased. This value is only available in Brine mode. It allows the user to specify the Evaporator Pressure at which a safety shutdown is initiated.
This value allows the user to adjust the sensitivity of the Leaving Chilled Liquid Temperature control. This value is only available if the chiller is not in Brine mode. It allows the user to enable the Smart Freeze Point Operation which allows the chiller to run closer to the freeze point without shutting down. When an Evaporator Refrigerant Sensor has been installed it must be enabled via this toggle before the system will utilize the new, enhanced resolution input. This screen displays a cutaway view of the chiller condenser.
All setpoints relating to the condenser side of the chiller are maintained on this screen. This screen also serves as a gateway to controlling the Refrigerant Level. Displays the difference between the Condenser Refrigerant temperature and the Leaving Condenser Liquid temperature.
The Condenser Refrigerant temperature will be represented by the Condenser Saturation temperature. Displays the temperature of the refrigerant in the drop leg between the condenser and evaporator shells, if the sensor is present. Displays the difference between the Condenser Refrigerant temperature and the Drop Leg Refrigerant temperature. If the Drop Leg sensor is not present, this temperature is not displayed.
Displays the present position of the high pressure switch. This will indicate whether a High Pressure fault is present. Displays the present position of the refrigerant level if this function is enabled. Displays the time remaining in the period in which the Refrigerant Level Setpoint is being ramped to the Refrigerant Level Target Setpoint. This only displayed if the Refrigerant Ramp is in effect and the value is non-zero.
Moves to the sub-screen allowing programming of the Refrigerant Level control setpoints. This screen displays a cutaway view of the Purge Tank. All setpoints relating to the purge system are maintained on this screen. When both the Float Switches are closed, the oil level is shown at its lowest empty level. When both Float switches are open, the level is shown at its highest full level.
Levels between these extremes are shown at midpoint. Illuminated when the Air Valve Solenoid is energized open , venting non-condensibles from the Purge tank. Otherwise, extinguished. Illuminated when the Top Float Switch is closed, indicating the Purge Tank oil level is less than full. Illuminated when the Bottom Float Switch is closed, indicating the Purge Tank oil level is at minimum empty.
Extinguished when it is open, indicating the oil level is above minimum. Extinguished when it is de-energized, draining the oil from the Purge tank. Displays the number of purge exhausts that have occurred within the last 0 to 60 minutes, as displayed in the Exhaust Window. After a 60 minute bypass at chiller start, purge exhausts are counted until the Excess Purge threshold is reached or the chiller shuts down, whereupon the count is frozen.
The count will be reset when the chiller starts. Displayed as 0 to 60 minutes. After a 60 minute bypass at chiller start, the Exhaust Window increments from 0. During this period, purge exhausts are counted and the Exhaust Count displayed is that which has occurred in the last number of minutes displayed in the Exhaust Window.
After the Exhaust Window reaches 60, the purge exhausts that occurred in the oldest minute are discarded from the Exhaust Count and exhausts from the most recent minute are shifted in, providing a rolling count of purge exhausts that occurred in the last 60 minutes. It remains at 60 until the chiller is restarted, whereupon it is reset to 0.
Counts down the 60 minute purge count bypass. Selects the appropriate control and purge exhaust thresholds for the installed purge system. Service Technicians. All setpoints relating to the liquid level control are maintained on this screen. Displays the present position of the liquid level.
The refrigerant level is animated in the cutaway view of the condenser. Indicates whether the liquid level control is under manual or automatic control. This screen displays a cutaway view of the chiller compressor, revealing the impeller and shows all conditions associated with the compressor. In addition, with the proper Access Level, the pre-rotation vanes may be manually controlled.
Animation of the compressor impeller indicates whether the chiller is presently in a RUN condition. Displays the pressure differential between the high side oil pressure transducer compressor bearing input and the low side oil pressure transducer oil sump. Displays the discharge superheat temperature, calculated as Discharge temperature — Condenser Saturated temperature.
Displays the 3-phase motor current values being read from the Solid State Starter. This key puts the vane control into manual mode and sends an OPEN command to the vanes. This key puts the vane control into manual mode and sends a HOLD command to the vanes. Moves to the subscreen allowing calibration of the Pre-rotation vanes.
Moves to the subscreen allowing advanced tuning of the Variable Speed Drive. Moves to the subscreen that allows programming of the Hot Gas Bypass control setpoints and manual control of the Hot Gas Bypass valve. Moves to the sub-screen that allows viewing and programming of the Surge Protection feature. Service Technicians refer to Service Manual This screen displays a cutaway view of the Hot Gas Bypass Valve. All setpoints relating to Hot Gas Bypass control are maintained on this screen.
Also, related Hot Gas Bypass control parameters are displayed for reference. Through animation, the relative valve position is displayed. In addition, the valve can be manually operated. The valve position is animated. Displayed at XXX until calibration procedure is performed by service technician. This is the total number of surge events that have been detected over the lifetime of the chiller. These are the surge events detected by the Surge Protection feature.
Illuminated for 5 seconds each time a surge is detected by the Surge Protection feature. It does not illuminate. Flash Memory Card version C. This screen displays a cutaway view of the chiller compressor and all parameters relating to the Surge Protection feature.
All setpoints relating to this feature are maintained on this screen. It is calculated as condenser pressure. This value is reset when the chiller shuts down. The count is cleared when the chiller shuts down. Illuminates for 5 seconds each time a surge is detected by the Surge Protection feature.
Displays the total number of surge events detected over the lifetime of the unit up to a maximum of Allows the user to select whether the chiller will shutdown or continue to run when an Excess Surge situation has been detected. With Software version C. Run mode is implemented. When an Excess Surge situation is detected, the action depends upon the following:.
When the 10 minutes have elapsed,. Selectable over the range of 0. The smaller the number, the greater the sensitivity. This screen displays a cutaway view of the chiller compressor, revealing the pre-rotation vanes and provides the capability of calibrating the pre-rotation vanes for either Variable Speed Drive or Hot Gas Bypass applications.
These are text messages which step the user through the calibration process and indicate its success or failure. This option is hidden after calibration has started. This option only becomes available after calibration has started. This screen displays a cutaway view of the chiller compressor, revealing the pre-rotation vanes and provides the capability of manually controlling the pre-rotation vanes. Animation of the pre-rotation vanes indicates the pre-rotation vane position. In addition, this screen allows manual control of the frequency command being sent to the Variable Speed Drive.
Displays a value based on the pressure differential between the Evaporator and Condenser pressures. Allows manual programming of the command frequency value.
Manually programming this value will put the VSD frequency control into manual mode. Following manual programming of the command frequency, this returns the system to automatic control. It will not raise the value above the maximum allowed frequency. This key puts the vane control into manual mode and sends a HOLD command to the contacts. Displays the time remaining in the minute manual oil pump operation described below. The Oil Pump is limited to running for a maximum of ten 10 minutes.
If a longer running time is desired, this key must be pressed again. Manual Oil Pump control is disabled and the button hidden during system prelube, system run and system coastdown. This screen displays all information pertaining to an Electro-Mechanical Starter. Indicates whether the digital output from the controls is commanding the motor to RUN. Displays the current limit value in use. Displays the time remaining in the programmed pulldown period if the value is non-zero.
Allows the user to specify the maximum allowed motor current as a percentage of FLA. When the motor current reaches this value, the pre-rotation vanes will not be permitted to open further.
If the motor current rises above this value, the pre-rotation vanes will close to reduce the current to this value. This value will override the Motor Current Limit value during this time period. This function is used to provide energy savings following chiller start-up. Allows the user to set a period of time for which the pulldown demand limit will be in effect after the chiller starts.
Display the 3-phase input line voltage values being read from the Solid State Starter. Display the 3-phase motor current values being read from the Solid State Starter. Displays the current limit in use. Displays the Solid State Starter model that is applied to the chiller. Allows the user to specify the maximum allowed motor current as percentage of FLA. When the motor current reaches this value, the Pre-rotation Vanes will not be permitted to open further. If the motor rises above this value, the Pre-rotation Vanes will close to reduce the current to this value.
Displays the cumulative amount of kilowatts used over time as the VSD motor controller operates. Allows the user to reset the cumulative Kilowatt Hours. Only 2 available when chiller is stopped. Moves to the subscreen which provides more information about the Variable Speed Drive.
Moves to the subscreen which provides more information about the Adaptive Capacity Control. Moves to the subscreen which provides more information about the Harmonic Filter. Welcome to ManualMachine. We have sent a verification link to to complete your registration. Log In Sign Up. Forgot password? Enter your email address and check your inbox. Please check your email for further instructions. Enter a new password. FORM NOTE is used to highlight additional information which may be helpful to you.
This Starter contains a Trigger Board that open motor mounted to a compressor with integral interfaces to a Logic Board that is installed inside of the speed increasing gears condenser, cooler and variable Control Center.
The from the liquid. The warmed liquid is then returned to the chiller to holidays. The operating status, temperatures, pressures complete the chilled liquid circuit. The chiller rotating impeller increases its pressure and temperature with the OptiView Control Center is applied with an and discharges it into the condenser.
The condenser water There could be either of two different Solid State Start- is supplied to the chiller from an external source, usually ers applied.
New production chillers are equipped with a cooling tower. This starter contains a the condenser into the liquid return line, where the vari-. Remote Start 2. Remote Stop 3. Safety Shutdown Contacts 7. Cycling Shutdown Contacts The chiller operating program resides in the Optiview control center Microboard. At this point, the user will be prompted to enter a User ID and the corresponding Password.
Setpoints The control center uses the setpoint values to control the chiller and other devices connected to the chiller system. Regardless of which setpoint is being programmed, the following procedure applies: 1. OptiView Control Center Leading zeroes are not necessary. Manual Controls Some keys are used to perform manual control functions. Chilled Liquid Temperature - Return Displays the temperature of the liquid as it enters the evaporator.
Condenser Liquid Temperature - Leaving Displays the temperature of the liquid as it leaves the condenser. Condenser Liquid Temperature - Return Displays the temperature of the liquid as it enters the condenser. Operating Hours Displays the cumulative operating hours of the chiller. Message Clear Access Level Required: SERVICE When certain safety or cycling conditions have been detected and the chiller has been shutdown, the main status display of the chiller will continue to display a message indicating the cause of the shutdown.
Evaporator A detailed view of all evaporator parameters, including the programmable Leaving Chilled Liquid Setpoints. Condenser 2 A detailed view of all condenser parameters, including control of the purge functions.
Compressor A detailed view of all the compressor parameters. Oil Sump A detailed view of all the oil pump and oil sump parameters. Setpoints This screen provides a single location to program the most common system setpoints.
History This screen provides access to a snapshot of system data at each of the last 10 shutdown conditions. Chilled Liquid Temperature - Leaving Displays the temperature of the liquid as it leaves the evaporator. Chilled Liquid Temperature - Setpoint Displays the active temperature setpoint to which the chiller is controlling the evaporator liquid. Evaporator Pressure Displays the present refrigerant pressure in the evaporator. Evaporator Saturation Temperature Displays the present saturation temperature in the evaporator.
Condenser Pressure Displays the refrigerant pressure in the condenser. Condenser Saturation Temperature Displays the saturation temperature in the condenser. Oil Sump Temperature Displays the temperature of the oil in the sump. Oil Pressure Displays the pressure differential between the pump oil pressure transducer and the sump oil pressure transducer. Return Chilled Liquid Temperature Displays the temperature of the liquid as it enters the evaporator.
Leaving Chilled Liquid Temperature Displays the temperature of the liquid as it leaves the evaporator. Leaving Chilled Liquid Temperature Setpoints — Setpoint Displays the present setpoint to which the chiller is operating, whether controlled locally or remotely. Leaving Chilled Liquid Temperature Setpoints — Restart Displays the Leaving Chilled Liquid Temperature at which the chiller will restart after it has shut down due to over-cooling temperature. Return Condenser Liquid Temperature Displays the water temperature as it enters the condenser.
Refrigerant Level Position Displays the present position of the refrigerant level if this function is enabled. Refrigerant Level Setpoint Displays the setpoint to which the refrigerant level is being controlled. Extinguished when it is open, indicating the level is at maximum full.
Pressure Displays the pressure in the Purge Tank. Exhaust Count Displays the number of purge exhausts that have occurred within the last 0 to 60 minutes, as displayed in the Exhaust Window. Exhaust Window Displayed as 0 to 60 minutes. Oil Sump Temperature Displays the temperature of the oil in the sump Discharge Temperature Displays the temperature of the refrigerant in its gaseous state at discharge of the compressor as it travels to the condenser.
Surge Flash memory Card version C.
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