SeaLand TankWatch Level Monitor System User Manual
LEVEL MONITOR SYSTEM
The TankWatch Level Monitor System is
designed to operate on 12 VDC in a sewage
holding tank, and to signal a nearly full tank
condition. This instrument will give years of
reliable service if installed properly.
HOW IT WORKS...
DO-IT-YOURSELF
INSTALLATION INSTRUCTIONS
Your TankWatch Level Monitor System contains these items:
SWITCH ASSEMBLY
INDICATOR
ASSEMBLY
Plenty of capacity...
all is well.
Select a location as far as possible away from other
tank fittings. Drill 1 1/4-in. (32mm) dia. hole (hole
1
saw is best) in tank TOP.
NOTE FOR SAILBOATS: Locate switch on
athwartships centerline of tank to assure accuracy
when heeled.
Red light glows...
nearly full.
GASKET
CAUTION! DO NOT USE IN FUEL TANK!
Locate Switch Assembly into the 1 1/4-in. hole
using care to stay on center. Mark four mounting
2
holes. Remove Switch Assembly.
MOUNTING SCREWS
2-No. 4x1/2”
MOUNTING SCREWS
4-No. 8x3/4”
3
Drill mounting holes using 1/8-in.
(3mm) dia. drill bit. DO NOT mount
Switch Assembly at this time.
4
Select a location for your Indicator Assembly. Drill
a 1-in. (25mm) dia. hole to accommodate the LED
wires.
MOUNTING TEMPLATE FOR
TANKWATCH PANEL
Drill 1-in.
(25mm) hole
Following the wiring diagram, route wires on a
12VDC circuit using good electrical practice.
5
A. Connect the red wire
through a 1/2-amp fuse
(not supplied), to the
positive DC source.
B. Connect the white wire
from the red LED to one
of the white wires on the
Float Switch Assembly.
C. Connect the remaining
white wire from the Float
Switch Assembly to the
negative DC source.
Place the Switch Assembly into the tank with the
gasket in place. Drive four No. 8 x 3/4” mounting
6
screws using care to tighten evenly. DO NOT
OVER-TIGHTEN.
MODEL INFORMATION
Part Number Description
313000312 TankWatch 1 Panel, Float Assembly
Mount the Indicator Assembly. Fasten with the two
No.4 x 1/2” screws provided.
7
SPECIFICATIONS
Average Current Consumption: 0.016 amps
600340507 4/03
Dometic Corporation • Sanitation Systems
13128 State Rt. 226, P.O. Box 38
Big Prairie, OH 44611-0038 USA
330-496-3211
1-800-321-9886 • Fax: 330-496-3097
® Registered; ™ Trademark of Dometic Corporation
© Dometic Corporation
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