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Owner’s Manual  |  

GPR-25 Regulator

 

13 

Carmanah Technologies Corp. Copyright © 2007 

Document number: GPR-25_Manual_v4.doc 

Last revised: June 21, 2007 

 

12. Limited Warranty

1. Carmanah  warrants  the  GPR-25  for  a  period  of  five  (5)  years  from  the  date  of  shipment  from  its

factory.  This  warranty  is  valid  against  defects  in  materials  and  workmanship  for  the  five  (5)  year
warranty period. It is not valid against defects resulting from, but not limited to:

Misuse and/or abuse, neglect or accident.

Exceeding the unit’s design limits

Improper  installation,  including,  but  not  limited  to,  improper  environmental  protection  and
improper hook-up

Acts of God, including lightning, floods, earthquakes, fire, and high winds

Damage in handling, including damage encountered during shipment

2. This warranty shall be considered void if the warranted product is in any way opened or altered. The

warranty  will  be  void  if  any  eyelet,  rivets,  or  other  fasteners  used  to  seal  the  unit  are  removed  or
altered, or if the unit’s serial number is in any way removed, altered, replaced, defaced, or rendered
illegible

12.1  General Warranty Issues 

Please refer to the manufacturers’ warranty sheet(s) 

1. Carmanah  cannot  assume  responsibility  for  any  damages  to  any  system  components  used  in

conjunction  with  Carmanah  products  nor  for  claims  for  personal  injury  or  property  damage  resulting
from  the  use  of  Carmanah  products  or  the  improper  operation  thereof  or  consequential  damages
arising from the products or use of the products.

2. Carmanah  cannot  guarantee  compatibility  of  its  products  with  other  components  used  in  conjunction

with  Carmanah  products,  including,  but  not  limited  to,  solar  modules,  batteries,  and  system
interconnects,  and  such  loads  as  inverters,  transmitters,  and  other  loads  which  produce  “noise”  or
electromagnetic interference, in excess of the levels to which Carmanah products are compatible.

3. Warranty  repair  and/or  evaluation  will  be  provided  only  at  the  Victoria,  British  Columbia  facility  of

Carmanah. Units for such repair and/or evaluation must be returned freight prepaid to Carmanah with
a written description of any apparent defects. Carmanah will  not be required at any time to visit the
installation site wherein Carmanah products are subject to warranty repair and/or evaluation.

4. Only  Carmanah  is  authorized  to  repair  any  of  its  products,  and  they  reserve  the  right  to  repair  or

replace  any  unit  returned for  warranty repair.  The  party  returning  a  unit  for  repair  is  responsible  for
proper packaging and for shipping and insurance charges, as well as any other charges encountered, in
shipping to and from Carmanah.

5. The purchaser’s exclusive remedy for any and all losses or damages resulting from the date of sale of

this  product  including,  but  not  limited  to,  any  allegations  of  breach  of  warranty,  breach  of  contract,
negligence or strict liability, shall be limited, at Carmanah option, to either the return of the purchase
price or  the  replacement  of  the  particular  product  for  which  claim  is  made  and  proved.    In  no  event
shall  Carmanah  be  liable  to  purchaser  or  purchaser’s  customers  or  to  anyone  else  for  any  punitive,
special, consequential, incidental or indirect losses or damages resulting from the sale of the product,
whether based upon loss of goodwill, lost profits, work stoppages, impairments of other goods, breach
of contract, or otherwise.

6. This  warranty  supersedes  all  other  warranties  and  may  only  be  modified  by  statement  in  writing,

signed by Carmanah.

7.  Warranty terms effective as of January 2, 2004.

12.2  Repair and Return Information 

To return items: 
1. Call  your  Carmanah  dealer  or  Carmanah’s  technical  SUPPORT  (1-800-667-6527)  to  try  and

troubleshoot the problem.

2. Obtain an RMA # by calling your Carmanah sales representative or the RMA department

3. Ensure  the  RMA  #  is  clearly  visible  on  the  outside  of  the  package,  or 

THE  PACKAGE  WILL  BE

REFUSED

.

4. Ship to Carmanah Victoria PREPAID at the following address:

Carmanah Technologies 

Summary of Contents for GPR-25

Page 1: ...OWNER S MANUAL GPR 25 Regulator ...

Page 2: ......

Page 3: ...4 Choosing a Location 5 5 Installation Instructions 6 6 Operating Instructions 6 7 Monitoring 7 8 Normal Status Scenarios 7 9 Before You Read Troubleshooting 8 10 Troubleshooting Problems 8 10 1 Problems with both Voltage Current 8 10 2 Problems with Voltage 9 10 3 Problems with Current 10 10 4 Miscellaneous Problems 11 11 Wiring Diagram 12 12 Limited Warranty 13 12 1 General Warranty Issues 13 12...

Page 4: ...ted Current Continuous Array Isc 25 A 4 25 x 7 5 x 1 6 in Array Voltage Max Voc 26 V Quiescent Current 20 mA Hardware 8 32 Current Consumption Charging Typ 20 mA Voltage Drop Array to Battery Typ 0 8 V Weight 172 grams Charge Termination Selectable 14 1 14 4 0 2 V 6 ounces Charge Resumption 13 0 0 3 V Operating Temperature Range 40 to 85 C Fuse 25 Amp AGC 40 to 185 F LCD Operating Temperature 10 t...

Page 5: ...ng system Isc current is not to exceed 25 A The voltage of the array is the rated open circuit voltage Voc of the solar module and is not to exceed 26 V If your solar system exceeds these ratings contact your dealer for a suitable regulator alternative 3 Tools and Materials Needed Drill with 3 32 and 3 8 bits UV Wire Module s to GPR 25 Keyhole or Jigsaw Battery Wire GPR 25 to Battery Phillips Scre...

Page 6: ...le Use colored wires or mark the wire ends with tags A reverse polarity contact however brief will blow the regulator fuse and may damage the unit 4 Jumper setting for sealed or flooded batteries Refer to the wiring schematic 5 Wiring the GPR 25 Wire the GPR 25 according to the wiring schematic Run wires from the solar modules and the batteries to the location of the GPR 25 Keep the solar module s...

Page 7: ...tery s state of charge during the charging cycle When the far right green LED is blinking the batteries are almost full Yellow indicates that the batteries are below 12 0 V and that the loads should be turned off Red indicates the voltage has fallen below 10 V and the battery is dead Disregard the bar graph reading if the battery is disconnected 8 Normal Status Scenarios These are all normal opera...

Page 8: ...rror present that may be accentuated when compared with readings from another voltmeter There may be a slight difference between the battery voltage displayed on the LCD screen and the battery voltage measured at the battery terminals When troubleshooting using a voltmeter check both the battery voltage at the regulator battery terminals and battery voltage at the battery terminals If a difference...

Page 9: ...ause 1 Battery or fuse connection 2 Excessive voltage drop from batteries to regulator 3 Incorrect calibration of the voltage meter How to tell 1 Check the voltage at the regulator terminals labeled Battery with a multimeter and compare with a reading at the battery terminals If there is a voltage discrepancy of more than 0 5 V there is an excessive voltage drop Remedy 1 Check the fuse Check all c...

Page 10: ...orrect configuration Tighten all connections Check wire gauge and length of wire run Refer to Suggested Minimum Wire Gauge in section 5 2 Clean modules clear obstruction or wait for conditions to clear 3 If the voltage of a non connected module open circuit is lower than 15 volts contact the manufacturer Voltage Reading N A Charge Light N A Current Reading Zero Time of Day Daytime Possible Cause 1...

Page 11: ...ltimeter is rapidly increasing and decreasing the battery is going bad the battery bank is too small or this is a normal condition Unfortunately there is no way to differentiate Possible solutions are to test individually the physical battery status using a hydrometer Consult your battery manufacturer s manual for more information 3 If the voltage on the multimeter is stable while the current read...

Page 12: ...Owner s Manual GPR 25 Regulator 12 Carmanah Technologies Corp Copyright 2007 Document number GPR 25_Manual_v4 doc Last revised June 21 2007 11 Wiring Diagram ...

Page 13: ...3 Warranty repair and or evaluation will be provided only at the Victoria British Columbia facility of Carmanah Units for such repair and or evaluation must be returned freight prepaid to Carmanah with a written description of any apparent defects Carmanah will not be required at any time to visit the installation site wherein Carmanah products are subject to warranty repair and or evaluation 4 On...

Page 14: ... a blocking diode Charge Controller The PV system component that controls the battery s state of charge It may also provide other system control functions Charge Rate The current applied to a battery to restore its energy capacity The battery manufacturer will usually have a recommended charge rate for their product The rate is typically 10 20 percent of the amp hour capacity at the 20 hour rate C...

Page 15: ...tial when it is disconnected from the rest of the PV system Parallel Connection Electrical connection where the positive terminals of a number of devices are connected together as are their negative terminals The output voltage is usually limited to the device with the lowest voltage and the total current is the sum of the current of all the devices Photovoltaic PV Capable of producing a voltage w...

Page 16: ...ing reduced battery capacity and shortening the life of the battery If caught in time equalization will remove the buildup of sulfation Voltage The electrical potential between two points Voltage is analogous to water pressure in that it pushes the electrons or current through a conductor The unit for voltage is volt and designated by the letter V Wet Acid or Flooded Batteries The most common type...

Page 17: ... Mounting Template Four 4 Mounting Holes Use 8 32 Self Tapping Screws Step 1 7 Cutting Line for Flush Mounting Use Jigsaw Step 1 Outside Faceplate Edge IMPORTANT Use this template insert to mount your faceplate ...

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