POLA HP76 User manual

As it company policy to continually improve the products the Manufacturers
reservetherighttomakeanymodificationstheretowithoutpriornotice.They
cannot be held liable for any damage due to malfunction.
06.05.14
HP76
Handbook
Humidity Surveyor
SL 4.0
Press ALARM (key lamp flashes):
This message will be displayed instead of the
% Rh Set Maximum humidity.
Press + or - to modify. Press ALARM to confirm.
HOW TO SET THE MAX HUMIDITY LEVEL
TheMAXhumidityvaluealarminterventionissignalledby
the blinking of the ALARM led (which keeps on blinking
during all the alarm delay time).
HP76 keepscontrolonthehumidityambientvalueandrecordsthemin/maxdailyvalue
up to 99 days cycle (and hourly values of the last 60 hours).
Afterwardstheoldestdailyandhourlyrecordsareautomaticallydeletedbythenewones.
A humidity alarm value can be set so an output contact is activated.
INSTALLATION
How to connect the line
Connect 230V power line on terminals L-N. Protect supply with adequate fuse.
Alarm contact:
3-4 are closed for intervention
alarm or for black-out
4-5 are open for intervention
alarm or for black-out
HP76
LINEA 230V *
CONTATTO ALLARME
RH V+
Note:Accuracyoftime base is 1%.Duringtheblack-out,timing is kept in stand-by. (i.e.incase
of 1 hour black out, on next days the recording interval will be 24+1 hours).
* Also available with 12V power supply.
When using our HBAT+BA power kit the unit can stand about 10 hours black-out.
RHR 4-20mA
humidity probe
8 10
Connection with RHR probe
ToconnecttheRHRprobesandtheHP76
module use two-wire cable 0,5 mm2
section. Max length = 100mt
RHR sensor cleaning:
1> Remove the filter carefully. Make sure the humidity sensor which is inside will be not
damaged.
2> Clean the filter in a distilled water cup.
3> Let the filter to became completely dry. Use an air dryer if necessary.
4> Wrap the filter back onto the sensor. Do not touch or damage the humidity sensor.

VIEW MEDIUM/MAXIMUM HUMIDITY DAILY/HOURLY VALUE
Press either the REC MED or the REC MAX key
(key lamp flashes).
Eithertheaverageorthemaximumhumidityvalue
asrecordedinthelast24hourswillbedisplayed.
Note:
Daily recordings are stored up to 99 days.
Hourly recordings are stored up to 60 hours;
afterwards the oldest record is automatically deleted by the new one.
Pressthe -keyto selectand displayone ofthe previous
hours records (max 60).
The following message will be displayed.
PressRECMEDtodisplaytheaveragehumidityvalueof
the selected hour.
PressRECMAX todisplaythemaxhumidityvalueofthe
selected hour.
Pressthe -keyto selectand displayone ofthe previous
days records (max 99).
The following message will be displayed.
PressRECMEDtodisplaytheaveragehumidityvalueof
the selected day.
PressRECMAX todisplaythemaxhumidityvalueofthe
selected day.
Example with 1 day ago
To erase memory keep +key for longer than 3 sec.
Before cleaning the memory a CLEA message will be displayed.
HOW TO ERASE CYCLE RECORDINGS (NEW CYCLE START-UP)
Pressthe-keytodisplaythecurrentday(d=)andthecurrenthour(h=)ofcycle.
(on firts day d= 0).
HOW TO DISPLAY THE DAY OF CYCLE
Example with 1 hour ago
These settings refer to the operation mode of the system and must be made on
initial startup. Press - / + at the same time for at least one second: the message
C.O.S.t. will be displayed.
PressthanrepeatedlyRECMAXuntilthemessageregardingthechosenvariable
is displayed (see table below) : value of variable and message will be displayed.
Press + or - to set a new value and then press REC MAX to confirm.
The next system constant will then appear.
YoucanpressRECMAXforatleast2secondstoexitandreturntotheRunMode.
COST PROGRAMMING (System constants)
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ALA.t "0 emityaledmralasdnoceS *
uH.dA %0 )%02+/-(tnemtsujdarosnesytidimuH
* Alarm led is blinking during all the delay alarm time.
MANUAL MODE
In some start-up conditions may be useful to work in "hand" mode.
Power off the processor, push + key and keep it pressed giving power on:
HAnd message will be displayed (release now + key).
Press + (1is displayed) and press REC MAX to activate relay.
YoucanpressRECMAXkeyforatleasttwosecondstoescapeandreturntothe
Run Mode.
This processor is already programmed with the following (variable) settings.
To return to these settings at any time you may:
Poweroffthe processor, pressREC MAX key and keepitpressed giving power
on: boot message will be displayed (release now REC MAX key).
H.SEt = 80%
COST value are shown in COST paragraph.
PRESET PROGRAMS (Bootstrap)
Examplehumidityaverage=80%