OPERATION-CONTROLLER
TEMPERATURE DIFFERENCE CONTROL-
HIGH LIMIT CONTROL
LOW TEMPERATURE SHUT DOWN OVERRIDE-
FREEZE PROTECTION OVERRIDE-
DATA PORT-
When the temperature difference between the sensor in the solar
collector and the sensor in the storage tank exceeds the “temperature difference” dialed in the controller, the PUMP
relay will actuate after a 30 second delay. The BLUE LED indicator will also turn on. If the temperature difference
decreases and falls below 4 F (2.2 C), the PUMP relay and the BLUE LED indicator will turn off with out delay.
- If the temperature in the storage tank exceeds the HI-LIMIT dialed setting, the PUMP
relay will be turned OFF without delay regardless of the status of the “temperature difference” that exists between
the STORAGE tank and the solar COLLECTOR. The BLUE LED indicator will also turn be turned OFF. Should the
storage tank temperature fall 4 degrees below the setting in the HI-LIMT, the controller will then resume normal
operation. The PUMP relay will always have a 30 second delay before actuation into the ON position and the BLUE
LED will always show its STATUS condition.
This feature is available to prevent the system from operating at
low outdoor temperatures. If this feature is enabled normal operation will stop when the COLLECTOR temperature
falls below 50 degrees F. The
a jumper must be placed
onto the jumper pins marked “LO’ on the circuit board.
This feature is available to prevent a non-drain back “water ” system from
freezing when the outdoor temperature drops too low.
Requires an IMC-Data port/RS232 ADAPTER. This will allow interface to a standard PC serial port.
The ADAPTER can further accept a serial/USB converter to connect directly to PC or Laptops that only have USB
ports. If wireless operation is desired for short distances, BLUE TOOTH transceiver can also be connected. The
rate at which the data is sent from the EAGLE solar controller is determined by a jumper in the controller as show in
the CONTROLLER diagram. If the jumper is placed in position labeled “2S”, one complete line of “Total system
information” to the PC every 2 seconds which is necessary when performing diagnostics or a system startup. If the
same jumper is placed in position labeled ”6M’, then DATA will be sent every 6 minutes. This will allow a more
suitable data-send rate for long term DATA LOGGING, specially when storing the data in a “CAPTURE” file set up in
the PC “Terminal” communications program such as “Hyper Terminal” or “Terminal”.
PUMP relay will then be turned off. Normal control operation will not resume until
the COLLECTOR temperature returns to 70 degrees or above. To enable this feature,
Only ONE of these two override features can be enabled.
only
If this feature is enabled normal operation will stop when the
COLLECTOR temperature falls below 37 degrees F. The PUMP relay will then be turned on until the COLLECTOR
temperature reaches 52 degrees. Normal control operation will resume above this temperature. To enable this
feature, a jumper must be placed onto the jumper pins marked “FZ’ on the circuit board. Only ONE of these two
override features can be enabled.
An can also be connected to the DATA PORT. It has an RJ-45
jack and is supplied with a 3 foot long cable that can be substituted with a standard CAT5 cable with a maximum
length of 150 feet and are available at most retail stores. The display panel also has a A PEAK RESET button
located on the side to reset previous STORAGE temperature peaks.
Information displayed is as follows:
SAMPLE DATA PORT PRINT
IMC LCD MASTER DIGITAL DISPLAY PANEL
LCD MASTER DISPLAY PANEL
Pg1 COLLECTOR TEMPERATURE
STORAGE TEMPERATURE
DIFFERENTIAL CONTROL SETTING
HI LIMIT CONTROL SETTING
PUMP STATUS
UPPER LIMIT STATUS
PEAK HI= MAXIMUM TEMPERATURE
PEAK LO= MINIMUM TEMPERATURE
AUXILIARY SENSORS 1 AND 2
°°
RUNTIME COLL-T STOR-T DIFF-T HILI-T AUX-1 AUX-2 PUMP UPLim FAULT
0:09 25.9 73.7 08.0 110.0 212.2 205.4 OFF OFF LO-TMP->OFF
0:00 OPEN.S 73.9 08.0 110.0 212.8 205.4 OFF OFF SENS!, PmpSW! O
0:00 -16.0 74.7 08.0 110.0 25.9 184.6 ON OFF FREZE-PMP->ON
0:00 74.9 08.0 110.0 25.9 154.6 OFF OFF
0:09 125.9 73.7 08.0 110.0 212.2 205.4 ON OFF S
0:10 25.9 73.7 08.0 110.0 212.8 205.4 ON OFF PmpSW!
SHRT.S
0:09 125.9 173.7 08.0 173.0 112.2 95.4 OFF ON Storage reached UPPER LIMIT
ystem collecting solar HEAT
System in LO TEMP shut down PUMP->OFF
Pump switch ON
pen sensor, pump switch OFF
System in Freeze protect mode
Shorted sensor->System OFF
PUMP->ON
INSTRUMENTS, INC.INSTRUMENTS, INC.
INSTRUMENTATION WITH QUALITY ENGINEERINGINSTRUMENTATION WITH QUALITY ENGINEERING
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