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PUF+
Operator's Manual
Date: 3/18/2008

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Summary of Contents for Tisch Environmental PUF+

  • Page 1 PUF+ Operator’s Manual Date: 3/18/2008...
  • Page 3: Table Of Contents

    Table of Contents PUF+ NOTATION ........................1 PUF+ CONNECTIONS......................3 USER INTERFACE ......................... 7 MAIN STATUS SCREEN ....................... 9 STEP BY STEP GUIDE......................11 TIMER ............................ 17 DATA ............................. 21 SETUP ............................ 27 ETI ............................29 CONFIGURATION........................ 31 CALIBRATION ........................33 DIAGNOSTICS........................
  • Page 5: Puf+ Notation

    Tisch Environmental PUF+ Operator’s Manual PUF+ NOTATION Notations and Measurements: The Table below describes the measurement notion used by the PUF+ and units used to report those measurements. Units of Description Notation Measurement Qsys System Flow Rate Flow Rate at Standard Conditions Qstd Reported at 760 mmHg and 25°C...
  • Page 7: Puf+ Connections

    Tisch Environmental PUF+ Operator’s Manual PUF+ CONNECTIONS The descriptions of the various connections to the PUF+ control unit are described below. “Motor” The “Motor” power connection supplies power to the motor being controlled by the PUF+. Both Brush-Type and Brushless-Type motor are supported, but only one may be used at a time.
  • Page 8 PUF+ Operator’s Manual Tisch Environmental “AutoCal” Pressure The “AutoCal” pressure port is used to make the Pcal measurement. It should be connected to the calibrator during the AutoCal procedure. “Ambient” Pressure The “Ambient” pressure port is used to make the Pamb measurement. It should be left open to atmosphere so that it properly senses the ambient pressure.
  • Page 9 Tisch Environmental PUF+ Operator’s Manual...
  • Page 11: User Interface

    Tisch Environmental PUF+ Operator’s Manual USER INTERFACE The user interface of the PUF+ consists of the display, keypad, power status light, alert status light, and the buzzer. User Interface: The Display The Display is used to inform the user of the status and the configuration of the unit. When used with the Keypad, the user can configure the PUF+ operation.
  • Page 12 PUF+ Operator’s Manual Tisch Environmental User Interface: Power Status Light The Power Status Light indicates when power had been applied to the unit. A solid green light indicates that unit is running and receiving power. A flashing green light indicates that the motor is on.
  • Page 13: Main Status Screen

    Tisch Environmental PUF+ Operator’s Manual MAIN STATUS SCREEN The main display of the PUF+ shows the operating status of the unit. If the timer is programmed to start at some time in the future, a countdown timer is shown. If the timer is currently running, a status screen is displayed with various operating parameters of the system.
  • Page 14 PUF+ Operator’s Manual Tisch Environmental The Soft-Menu Function Keys From the main display, there are four keys used to access the various information and configuration screens of the unit. The four keys are F1, F2, F3, and F4. They are called soft- menu function keys, because there functions change throughout the system.
  • Page 15: Step By Step Guide

    Tisch Environmental PUF+ Operator’s Manual STEP BY STEP GUIDE This section of the manual serves as a quick guide providing step by step instructions to some of the most important features of the PUF+. For additional details, refer to the relevant section of this manual.
  • Page 16 PUF+ Operator’s Manual Tisch Environmental Step by Step: Installing the Gable Roof Assembly The Gable Roof is shipped uninstalled to prevent damage that could occur in shipping and must be installed by the user when first setting up the unit.
  • Page 17 Tisch Environmental PUF+ Operator’s Manual 3. Select “SET DATE” and press the “ENT” key. If adjusting date and time, the date should always be set first. If only setting the time, proceed to Step 5. 4. Using the numeric keypad enter the starting date for the timer and press the “ENT”...
  • Page 18 PUF+ Operator’s Manual Tisch Environmental Step by Step: Auto Calibrating the Flow The following steps provide instructions for using the Auto Calibrate feature for flow calibration. The system comes calibrated from the factory, but the flow rate should always be calibrated anytime the system has been moved.
  • Page 19 Tisch Environmental PUF+ Operator’s Manual 15. Once 5 data points have been collected, the system will calculate the calibration values that should be used and return to the Qstd calibration screen. 16. The “R” value shown on the screen should be observed. It should be greater than 0.990.
  • Page 20 The following instructions provide step by step instruction for saving data to the memory card. The memory card provided by Tisch Environmental, Inc must be used to collect data to ensure proper data collection. Do not remove the data card will the unit is saving data to the card.
  • Page 21: Timer

    Tisch Environmental PUF+ Operator’s Manual TIMER The PUF+ controller contains a microprocessor based timer that allows for a variety of timing options including: • Single Occurrence Timed Event • Repeating Timed Event (ideal for 1 in X day sample operating protocols) •...
  • Page 22 PUF+ Operator’s Manual Tisch Environmental “DATE” Menu Item The DATE menu item is used to specify the start date of the timer. The date must be entered in the MMDDYY format. Leading zeros are required (For example, to sample on January 1, 2007, enter 010107).
  • Page 23 Tisch Environmental PUF+ Operator’s Manual TIMER SETUP MENU: Remote Triggering Option The PUF+ timer also supports timer events triggered via a remote device. In order to use this feature, the unit must be configured to switch the timer into remote trigger mode and the optional remote trigger cable must be used.
  • Page 24 PUF+ Operator’s Manual Tisch Environmental Aborting Timer Operation ABORT TIMER? ►NO The ABORT TIMER menu (shown above) is displayed when the “F1” soft-menu function key is pressed from the main status display and the timer is currently executing. This allows the user to stop a currently executing timer event and re-configure the timer to the desired settings.
  • Page 25: Data

    Tisch Environmental PUF+ Operator’s Manual DATA The DATA menu allows the data collected by the unit to be viewed, saved to a memory card, or erased. DATA ►VIEW CURRENT SAMPLE VIEW PAST SAMPLE SAVE ERASE “VIEW CURRENT SAMPLE” The “VIEW CURRENT SAMPLE” menu item will display a summary of a currently executing timer sample.
  • Page 26 PUF+ Operator’s Manual Tisch Environmental Reviewing Data When using either the VIEW CURRENT SAMPLE or VIEW PAST SAMPLE menu items, a series of screens will be displayed that contain data collected during the timer event. Switch between screens us the UP and DOWN ARROW keys. Use the ESC key to return to the DATA menu.
  • Page 27 Tisch Environmental PUF+ Operator’s Manual The third screen (shown above) displays flags associated with the timer event. The flags are described below. FLAG Description COMPLETED Indicates that the Timer Event has been completed EXECUTING Indicates that the Timer Event is currently executing...
  • Page 28 PUF+ Operator’s Manual Tisch Environmental Tamb: 21.1 AVG: 22.3 MIN: 21.6 MAX: 22.9 Tcjc: 26.6 AVG: 27.0 MIN: 26.5 MAX: 27.7 The sixth screen (shown above) displays the current, average, minimum, and maximum values for the ambient temperature (Tamb) and the cold-junction compensation temperature (Tcjc).
  • Page 29 Tisch Environmental PUF+ Operator’s Manual Notes on the usage of the data card drive: • All data cards are not created equal and some vary greatly in how well they adhere to the specifications. Because of this, we recommend that a card from SanDisk with a capacity of between 64 MB and 2 GB be used.
  • Page 31: Setup

    Tisch Environmental PUF+ Operator’s Manual SETUP The SETUP menu allows the various operating parameters of the unit to be configured and/or monitored. Some of these parameters include the ETIs, Sensor calibrations, and general diagnostics. SETUP ►ETI> CONFIGURE> CALIBRATE> DIAGNOSTICS> ETI Menu Item The ETI menu item contains information and setting pertaining to the elapsed time indicator maintained by the system.
  • Page 33: Eti

    Tisch Environmental PUF+ Operator’s Manual The ETI menu item displays the ETI menu. The ETI menu allows the operating parameters of the units 3 ETI’s to be configured. There are two menu items for each ETI in the system. The first shows the current ETI value in hours. The second shows the point at which an alert will be triggered to notify the user of needed action.
  • Page 35: Configuration

    Tisch Environmental PUF+ Operator’s Manual CONFIGURATION The CONFIGURE menu (shown below) allows for various operating parameter of the unit to be configured. Details are provided below. CONFIGURE ►SET DATE: 04-20-07 SET TIME: 12:11:18 FLOW TYPE: AMBIENT FLOW RATE: LCD CONTRAST:...
  • Page 36 PUF+ Operator’s Manual Tisch Environmental pressing the “+” or “-” keys during the first 5 seconds the unit is turned on (while the startup screen is displayed). Setting the Interval Log Period The LOG INTERVAL menu item determines the time period in minutes over which the data is averaged before an entry is made in the interval data log.
  • Page 37: Calibration

    Tisch Environmental PUF+ Operator’s Manual CALIBRATION The CALIBRATE menu allow the user to calibrate the sensors used by the unit. The CALIBRATE menu (shown below) list the sensors in the system, the associated raw sensor values and the values using the current calibration. Pressing the ENT key will begin the calibration process for the selected sensor.
  • Page 38 PUF+ Operator’s Manual Tisch Environmental minimize errors that can occur while the electronics are still warming up. The error is typically small, but doing this will provide optimal calibration results. Calibrating a Sensor The procedure for calibrating a sensor is similar regardless of what sensor is being used. The...
  • Page 39 Tisch Environmental PUF+ Operator’s Manual ENTER REFERENCE VALUE: 20.0 Once the ENT key is pressed, the screen below will be displayed. This screen will automatically exit and return to the main calibration screen once the system has collected a stable reading from the applied signal. If the reference signal is not sufficiently stable, this screen may be displayed for a long period of time.
  • Page 40 PUF+ Operator’s Manual Tisch Environmental Edit Calibration Constants (F3) Pressing the F3 key (EDIT) allows the A1 (gain) and A0 (offset) calibration constants for the sensor to be manually entered. This feature is useful in trouble shooting the unit or recovering from the incorrect calibrations.
  • Page 41 Tisch Environmental PUF+ Operator’s Manual 6. The unit will then prompt the user to enter the standard conditions value for the m variable of the calibration orifice. This information can be found with the calibration data provided with the orifice. Press the “ENT” key to continue. The value of the last calibration orifice is displayed by default.
  • Page 42 PUF+ Operator’s Manual Tisch Environmental 9. Once the automatic calibration process has started, the screen below will be displayed. As the flow becomes stable at each point, the unit will collect a data point once per second until the STABILTY counter reaches 8. If the system becomes unstable during this process, the STABILITY counter will reset and the process will begin again until all 8 data points can be gather will the system is stable.
  • Page 43: Diagnostics

    Tisch Environmental PUF+ Operator’s Manual DIAGNOSTICS The DIAGNOSTICS menu (shown below) provides information and troubleshooting functions to help diagnose any problems that may occur. Details on the various menu items are provided below. DIAGNOSTICS ►Qamb:( Qstd:( Tamb:(39050) 21.5 Tcjc:(21789) 26.9...
  • Page 44 PUF+ Operator’s Manual Tisch Environmental Manual Flow Control via Qsys The Qsys CONTROL menu item allows the flow to be manual controlled at the specified flow rate. This is useful if you need to check the motor for operation after servicing or for flow checks.
  • Page 45: Info Display

    Tisch Environmental PUF+ Operator’s Manual INFO DISPLAY The INFO screens are accessed by pressing the F4 soft-menu function key while the main status screen is displayed. In addition to basic information about the system, these screens also contain the ALERT status screens. If an ALERT condition exists then system will automatically display that screen first.
  • Page 46 PUF+ Operator’s Manual Tisch Environmental ALERTS 2 NO ALERTS 2 The ALERTS 2 screen is reserved for future use and currently contains no alerts.
  • Page 47: Data Formats

    Tisch Environmental PUF+ Operator’s Manual DATA FORMATS The PUF+ creates to files containing data each time the SAVE function is used. Data on the memory card is stored in the CSV (comma separated values) format readable by most spreadsheet programs. The files names are REPORT.CSV and DATA.CSV. They are stored in the following directory on the memory card: \TISCH\DATA\SN\ (where SN is the serial number of the unit).
  • Page 48 PUF+ Operator’s Manual Tisch Environmental The first line of the report identifies that this unit as a PUF+ with the given serial number and that this is the REPORT format. The second line indicates when the REPORT.CSV file was retrieved from the unit.
  • Page 49 Tisch Environmental PUF+ Operator’s Manual DATA.CSV: General Comments on the Data Record Entries All log entries share some common entries that are best described separately. The log formats were designed so that they could be easily read in either an automated fashion or interrupted manually.
  • Page 50 PUF+ Operator’s Manual Tisch Environmental !,0,3,"MTR ETI",1 !,0,3,"MTR ETI ALERT",0 !,0,3,"CAL ETI",1 !,0,3,"CAL ETI ALERT",0 !,0,3,"USR ETI",1 !,0,3,"USR ETI ALEART",0 !,0,4,"End","System Log",04-20-07 12:34:43,"PUF+","100-0004" DATA.CSV: Event Log Example The Event Log contains the data for each timer event. This is the same data that can be viewed using the VIEW CURRENT SAMPLE and VIEW PAST SAMPLE menu items in the DATA menu.
  • Page 51 Tisch Environmental PUF+ Operator’s Manual !,2,3,04-20-07 10:33:00,21.6,26.6,760,51.8,6.24,260,259,0 !,2,3,04-20-07 10:34:00,21.7,26.6,760,51.8,6.22,260,259,0 !,2,3,04-20-07 10:35:00,21.7,26.6,760,51.8,6.23,260,259,0 !,2,4,"End","Interval Log",04-20-07 12:34:47,"PUF+","100-0004" DATA.CSV: Power Log Example The Power Log contains information on when the unit started and stopped. This is useful in identifying when power failures occurred and how long they lasted. The last 64 power failures are recorded.

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