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Raw Water Considerations
■ The Raw Water pump must be securely mounted in a dry, well-ventilated area. It should be mounted not more than 6' at any time above the heeled waterline.
DANGER:
The Raw Water pump must be powered by the toilet relay module. Use of any pump that draws more than 15 amps requires installation of a pump contac-
tor relay. Do not wire pump directly to a D.C. power source so that it is controlled by its pressure-activated switch. If a leak were to occur when wired directly, the pump would
run continuously and create risk of sinking of the boat and loss of life.
■ An in-line strainer MUST be installed to protect the system. Failure to use an in-line strainer may void product warranty.
■ A Vented Loop of proper diameter MUST be installed if – UNDER ANY CIRCUMSTANCE or CONDITION (including heel trim or load):
•
Toilet is connected to a through-the-hull fitting and rim of toilet could EVER be in a position below the waterline.
DANGER:
Failure to use a Vented Loop in raw water pump installation sites can lead to water flowing into the toilet from the outside (siphoning)
which can cause loss of property and life!
Required Tools
■
1-1/4" hole saw
■
1 3/4" - 2" hole saw
■
3-1/2" hole saw
■
7/16" socket and ratchet or 7/16" wrench
■
Electric drill
■
1/8" drill bit
Bezel Installation
When planning the installation be sure to consider:
■ Bezel placement wall thickness
■
Distance between toilet and bezel; the harness is 12' in length
DANGER
HAZARD OF FIRE:
Fig. F
www.thetfordmarine.com
Always use recommended circuit breakers or fuses. Failure to follow the recommendations can result in fire.
Bezel Specifications
73 mm
56 mm
64 mm
46 mm
7
45 mm - 51 mm
(1.75" - 2.0")
Bezel Hole Size
Tecma Nano Owner's & Installation Manual
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