DOMETIC 2 Port ATP Roof Cap Mounting User Guide
- June 4, 2024
- Dometic
Table of Contents
DOMETIC 2 Port ATP Roof Cap Mounting
CONTENTS
- 2 Port ATP Roof Cap (CAP1001)
- ATP Receptacle Boot
- VHB Tape
- Roof Cap Mounting Screws
NOT INCLUDED
- Solar Wire Harness (6 AWG recommended)
- included in some kits
- Self=Leveling Adhesive
- Wire Nut (for series wiring only
TOOLS NEEDED
- Drill
- 1” Hole saw #2 Phillips Head Screwdriver
- Step drill bit
- Razor Blade
- 3/16” Drill bit
- Wire Strippers
STEP 1: PICK A LOCATION AND METHOD OF CABLE ENTRY
- Ensure no solar panels are connected to the roof cap at this time.
- Identify best location to install roof cap. No more than 10 linear feet from Charge Controller.
- If wiring through roof, continue with steps D-G.
- Using a step drill bit, knock out the plastic circle in the bottom of the roof cap as shown in FIGURE 1.
- Drill through the roof using the 1” hole saw.
- Deburr hole if sharp edges exist.
- Ensure wires do not make contact to sides of newly drilled hole.
Zamp Solar recommends using a 1” grommet to protect the wiring abrasion. Optional wire routing is available through the knockouts located on the sides of the roof cap. 3/4” NPT cable glands are recommended to protect wire sheathing.
STEP 2: ROOF CAP MOUNTING OPTIONS
Option 1: Mount the Screws
- Using a 3/16” drill bit, drill holes through the base of the roof cap in the mounting hole locations you intend to use. [Figure 1]
- Liberally apply a self-leveling sealant to the bottom of the roof cap.
- Mount the roof cap to the roof of the vehicle with provided fasteners.
- Allow time for the sealant to fully cure.
Option 2: Mount with VHB Tape
- See VHB preparation instructions.
- Apply VHB strips to the bottom of roof cap.
- Liberally apply self-leveling sealant around the perimeter of the bottom of the roof cap for a weatherproof seal.
- Firmly press down on the base of the roof cap to allow bonding to occur
STEP 3: WIRING THE ROOF CAP
-
Run the stripped side of the wires through the hole created in the
roof cap. Run wire through cable glands for side installation. -
Using wire strippers, strip back wires approximately 1/2.”
-
Using a Phillips head screwdriver, connect the positive solar wire to the positive busbar of the roof cap and the negative solar wire to the negative busbar. [Figure 1]
-
IF SERIES CONNECTION IS REQUIRED, use a wire nut to connect the ATP roof cap in series as shown below. [FIGURE 3]
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