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Cooling Degree-Days

Energy EnviroMonitor Manual

Page 19

5. To display the total T-H index cooling degree-days for the period, press COOL’G D-DAYS

again.

The total T-H index cooling degree-days for the period appear on the right
of the display. The base threshold setting appears on the left of the display.

OTAL

T-H I

NDEX

OOLING

EGREE-

AYS

URING

ERIOD

6. To display the average daily T-H index cooling degree-days during the period, press

COOL’G D-DAYS again.

The average daily T-H index cooling degree-days appear on the right of the
display. The base threshold setting appears on the left of the display.

VERAGE

AILY

T-H I

NDEX

OOLING

EGREE-

AYS

URING

ERIOD

7. To display the threshold, press COOL’G D-DAYS again.

The threshold appears on the right of the display.

OOLING

EGREE

DAYS

HRESHOLD

Содержание Energy EnviroMonitor

Страница 1: ...E NERGY E NVIRO M ONITOR S YSTEM CONSOLE USER S MANUAL Product 7460 7465...

Страница 2: ...Manual 7 8 99 This product complies with the essential protection requirements of the EC EMC Directive 89 336 EC Davis Instruments Corp 1997 All rights reserved EnviroMonitor is a trademark of Davis I...

Страница 3: ...E NERGY E NVIRO M ONITOR S YSTEM CONSOLE USER S MANUAL...

Страница 4: ...ressure 10 Humidity 10 Dew Point 11 Time 11 PERIOD 11 AUTOCLEAR 12 HIGHS AND LOWS 13 ALARMS 14 USING THE ENERGY ENVIROMONITOR 15 USING THE ENTER KEY 15 Entering Negative Numbers 16 Example of Using EN...

Страница 5: ...1 Viewing Solar Radiation 31 Clearing Daily Solar Energy 32 RAINFALL 33 Viewing Rainfall 33 Selecting Units of Measure 34 Entering Total Rainfall 34 Displaying High Rate of Rainfall 34 Clearing Daily...

Страница 6: ...l Alarm 47 Example of Setting an Alarm Low Outside Temperature Alarm 47 Setting the Barometric Pressure Alarm 48 Setting the Dew Point Alarm 48 To Silence an Alarm 49 To Clear an Alarm 49 ENABLING DIS...

Страница 7: ...Table of Contents Page iv...

Страница 8: ...ys temperature temperature humidity index wind chill wind speed wind run wind direction solar radiation solar energy rainfall rate of rainfall barometric pressure relative humidity and dew point Curre...

Страница 9: ...ature Probe Enables you to measure and outside temperature and growing degree days or soil temperature Rugged stainless steel construction makes sen sor ideally suited to measuring soil or water tempe...

Страница 10: ...helters We have a pair of weather resistant shelters which will enable you to mount some or all of your system components outside Optional heaters enable you to keep components operating even in cold...

Страница 11: ...Introduction to the Energy EnviroMonitor Page 4 Energy EnviroMonitor Manual...

Страница 12: ...two different types of keys function keys and operation keys The larger and more square keys are the function keys and are used to display the various conditions measured and calculated by the Energy...

Страница 13: ...ation Alarm next to a weather condition indicates that an alarm exists for the weather condition The type of alarms are noted after the colon For information on Alarms see Alarms on page 14 Cooling De...

Страница 14: ...w Average Daily Wind Chill Heating Degree Days over the period Temperature and Apparent Temperature The Energy EM has a temperature sensor built into the console which reports inside temperature You m...

Страница 15: ...Low Inside Temperature with time of occurrence AutoClear Wind The Energy EM measures wind speed wind direction and wind run Wind run is a measurement of the amount of wind which passes a given point...

Страница 16: ...t Solar Energy Sum AutoClear Average Incident Solar Energy per day during period Rainfall The Energy EM provides two separate registers for tracking rainfall totals One is referred to as daily rainfal...

Страница 17: ...ss important than the change in barometric pressure In general rising pressure indicates improving weather conditions while falling pressure indicates deteriorating weather conditions Current Barometr...

Страница 18: ...atically adjusts during leap years providing you enter the current year see Entering Time Date or Year on page 42 when you apply power to the unit Current Time Alarm standard Current Date Current Year...

Страница 19: ...the same for all values and may be set by the user default is mid night The AutoClear function may be enabled disabled individually for the values listed below Note that the AutoClear function for som...

Страница 20: ...me of the AutoClear In other words it will track highs and lows over a 24 hour period If you do not use AutoClear you may track daily weekly monthly or yearly values depending on how often you clear t...

Страница 21: ...m threshold The table below summarizes the Energy EM s alarms The three special alarms are described below Barometric Pressure The barometric pressure alarm alerts you to changes in barometric pres su...

Страница 22: ...active When you first begin to change a value the leftmost digit will be active Pressing and releasing ENTER will cause the second digit from the left to become active and so on When you get to the l...

Страница 23: ...format to the 24 hour format as desired The 12 hour format is indicated by the symbol AM or PM The 24 hour for mat is indicated by the symbol 24HR 3 Press ENTER and hold it down The two left hand dig...

Страница 24: ...ys daily cooling degree days total cooling degree days during the period and the average cooling degree days per day during the period for both temperature and T H index See Period on page 11 for a di...

Страница 25: ...right of the display The base threshold setting appears on the left of the display AVERAGE DAILY COOLING DEGREE DAYS DURING PERIOD 4 To display the daily T H index cooling degree days sum press COOL G...

Страница 26: ...splay TOTAL T H INDEX COOLING DEGREE DAYS DURING PERIOD 6 To display the average daily T H index cooling degree days during the period press COOL G D DAYS again The average daily T H index cooling deg...

Страница 27: ...d On appears on the right of the display If the AutoClear function is disabled the word OFF appears on the right of the display See Enabling Disabling AutoClear on page 50 10 Continuing to press COOL...

Страница 28: ...e 4 Press COOL G D DAYS to save the entry Clearing Daily Cooling Degree Days Sum You may clear the daily cooling degree days sum or the daily T H cooling degree days sum at any time to begin a new dai...

Страница 29: ...aily heating degree days sum press HEAT G D DAYS The daily heating degree days sum appears on the right of the display The base threshold setting appears on the left of the display DAILY HEATING DEGRE...

Страница 30: ...lay The base threshold setting appears on the left of the display DAILY WIND CHILL HEATING DEGREE DAYS The daily wind chill heating degree days sum represents the total wind chill heating degree days...

Страница 31: ...number of days in the period press HEAT G D DAYS again The date on which the period started appears on the right of the display The number of days in the period appears on the left of the display To v...

Страница 32: ...old You may change the heating degree days threshold if necessary 1 Press HEAT G D DAYS as necessary to display the heating degree days threshold HEATING DEGREE DAYS THRESHOLD 2 Press UNITS as necessa...

Страница 33: ...isplay all conditions in F or C Outside and inside temperature may be displayed at a resolution of either 1 or 0 1 Viewing Temperature and Apparent Temperature 1 To display the current outside tempera...

Страница 34: ...n is disabled the word OFF appears on the right of the display See Enabling Disabling AutoClear on page 50 6 Continuing to press TEMP will cycle through the outside temperature inside tempera ture and...

Страница 35: ...on in degrees In addition you may view the high wind speed along with the direction of the gust and the time at which it occurred The table below summarizes the units of measure in which each con diti...

Страница 36: ...the right of the display WIND DIRECTION 5 To display the date on which the current period started and the number of days in the period press WIND again The date on which the period started appears on...

Страница 37: ...d and the direction of the high gust For information on displaying and clearing highs and lows see Highs and Lows starting on page 44 Clearing Daily Wind Run You may clear the daily wind run total at...

Страница 38: ...solar radiation intensity appears on the right of the display CURRENT SOLAR RADIATION INTENSITY 2 To display the daily solar energy total press SUN again The daily solar energy total appears on the r...

Страница 39: ...on for daily solar energy press SUN again If the AutoClear function is enabled the word On appears on the right of the display If the AutoClear function is disabled the word OFF appears on the right o...

Страница 40: ...r AutoClear cleared daily rainfall For instructions on clearing daily rainfall see Clearing Daily and Total Rainfall on page 35 2 To display the total rainfall during the period press RAIN again The t...

Страница 41: ...fall amounts Use the procedure below to enter a total rainfall amount 1 Press RAIN as necessary to display total rainfall 2 Press UNITS as necessary to select the desired unit of measure 3 Use ENTER t...

Страница 42: ...larms You may set a high alarm for daily rainfall For information on displaying set ting and clearing alarms see Alarms starting on page 46 BAROMETRIC PRESSURE The Energy EM displays current barometri...

Страница 43: ...appears RISING BAROMETRIC PRESSURE INDICATOR Falling Barometric Pressure If barometric pressure fell by 02 inches of Hg 0 5 mm or 0 7 hPa or more over the past hour the falling barometric pressure ind...

Страница 44: ...altitude or power is interrupted 1 Determine the current barometric pressure Many TV and radio weather reports carry this information Or you may call your local airport control tower 2 Press BAR to di...

Страница 45: ...f the AutoClear function is enabled the word On appears on the right of the display If the AutoClear function is disabled the word OFF appears on the right of the display See Enabling Disabling AutoCl...

Страница 46: ...ired unit of measure simply press UNITS while viewing the current dew point As you press UNITS the Energy EM alternates between F and C All temperature information including degree days tempera ture a...

Страница 47: ...Mo for mat You may set the time date year and the time at which you wish the Energy EM to perform the AutoClear each day In addition you may begin a new period erasing all information from the previo...

Страница 48: ...oClear function each day appears on the right of the display TIME OF AUTOCLEAR 5 To view information on the current period press TIME again The date on which the period started appear on the right of...

Страница 49: ...year as desired 2 Press UNITS as necessary to select the display format for time or date 3 Use ENTER to set the time date or year If using the 12 hour format make sure you correctly set the time to AM...

Страница 50: ...1 Press TIME as necessary to display the period information 2 Press and hold down CLEAR As you hold down CLEAR the display alternates between showing the number of days in the period and the word ALL...

Страница 51: ...gust appears as a steady not flashing diamond at one of the points Displaying Highs and Lows 1 Press the appropriate key as necessary to display the desired weather condition 2 To view the high low pr...

Страница 52: ...value erases the currently stored value in order to obtain a new high low reading 1 Press the appropriate key as necessary to display the desired weather condition 2 Press RECALL as necessary to displ...

Страница 53: ...beeping by pressing CLEAR at any time though the alarm display remains TYPICAL ALARM DISPLAYS If more than one alarm is triggered at once the Energy EM scans through all of the triggered alarms displa...

Страница 54: ...he alarm If you want to enter a negative number 10 for example you must first enter the number without the negative sign Then press and release ENTER to return to the first available digit in the entr...

Страница 55: ...The alarm is triggered whether the barometric pressure rises or falls To determine which way the barometric pressure is moving check the barometric trend arrow 1 Press BAR as necessary to display the...

Страница 56: ...r as explained below To Clear an Alarm 1 Press the appropriate key s to display the desired weather condition Note that when an alarm has been triggered the weather condition causing the alarm will ap...

Страница 57: ...neral clear feature which enables you to quickly clear most of the high and low registers The general clear feature however will not clear any high low value for which AutoClear see AutoClear on page...

Страница 58: ...them Inside and Outside Temperature You may use temperature CAl to adjust the temperature up or down a specific number of degrees Note that there are individual CAL numbers for both inside and outsid...

Страница 59: ...as you have the correct rainfall CAL for your rain collector the Energy EM will accurately convert rainfall amounts from inches to millimeters and vice versa Changing Calibration Numbers 1 Press the...

Страница 60: ...again and all CAL numbers will be reset to their default values 5 Re enter the total rainfall barometric pressure and all alarm settings DISPLAY SCAN The Energy EM comes with two pre programmed scan...

Страница 61: ...of power Both indicators appear in the upper left hand corner of the display and they may appear singly or together Flashing of the POWER indicator indicates low power state or a disruption of the pri...

Страница 62: ......

Страница 63: ...the console To view the high or low press the appropriate function key to display the desired condition Press Recall to view the high low Wait a few seconds and the time at which the high low occurred...

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