Product Manual
[page 14] | gpelectric.com
INSTALLATION
4.2  REFRIGERATOR VENT ACCESS 
OPTION 1
1.  Locate the refrigerator vent on the roof of the RV. Remove 
vent cover to gain access to the duct opening.
2.  Drill a hole through the side of the vent (5/8” hole).
3.  Remove any sharp edges from the hole.
4.  Insert a rubber grommet (not included) into the hole.
5. 
Insert the MC4 positive and negative extension cables 
through the hole and carefully route it to the solar charge 
controller. Be certain to leave enough slack to allow cable 
routing from module to vent along desired path.
6. 
Use cable clamps with the #6 self-tapping screw and/or tie 
wraps every few feet along RV roof and interior route to the 
solar charge controller.
7. 
Ensure all penetrations into the RV roof are watertight. Use 
an appropriate sealant as recommended by your RV Dealer 
to seal holes wherever necessary.
8.  Replace vent cover.
4.3  REFRIGERATOR VENT ACCESS 
OPTION 2
1.  Locate the refrigerator vent on the roof of the RV. Remove 
vent cover to gain access to the duct opening.
2. 
Thread the MC4 positive and negative extension cables 
carefully through the screen and into opening.
3.  Enlarge screen grid hole if necessary
4.  Remove any sharp edges from the hole.
5.  Avoid strapping the power cable to existing wire between 
the module and the battery.
Allowing a few inches of space between the power 
cable and existing wire will lessen the chance of 
voltage loss through thermal conduction.
6. 
Use cable clamps with the # 6 self-tapping screw and/or 
tie wraps every few feet along RV roof and interior route to 
the solar charge controller.
7. 
Ensure all penetrations into the RV roof are watertight. Use 
an appropriate sealant as recommended by your RV Dealer 
to seal holes wherever necessary.
8.  Replace vent cover.
4.4  CABLE ENTRY PLATE - OPTION 3
1. 
Remove the rubber sealing caps from the ends of the MC4 
connectors in the GP-CEP.
2.  Plug the Positive and Negative MC4 Connectors from the 
solar panels directly into the GP-CEP
3. 
Locate the positive and negative cables exiting the GP-CEP 
and route these to the solar charge controller
FIGURE 4-B
FIGURE 4-C
FIGURE 4-D
RV Roof
Refrigerator 
Vent Cover
Solar 
Module
Cable Clamps
Caution: The drilled hole may have sharp 
edges or burrs - REMOVE
Vent 
Screen
RV Roof
Refrigerator 
Vent Cover
Solar 
Module
Cable Clamps
Caution: The vent screen may have sharp 
edges or burrs.
RV Roof
Refrigerator 
Vent Cover
Solar 
Module
Cable Clamps
Caution: The drilled hole may have sharp 
edges or burrs - REMOVE
Vent 
Screen
RV Roof
Refrigerator 
Vent Cover
Solar 
Module
Cable Clamps
Caution: The vent screen may have sharp 
edges or burrs.
Note










