SeaLand DTM01 Tank Monitor - Manual (Page 7)

7
1. Route 18-gauge stranded copper wire from DC Ground source to
probe assembly.
2. Using quick-disconnect terminals, make proper wiring connections
from DC Ground source and indicator panel to probe assembly wires.
Refer to wiring diagram (fig. 5
, page 6).
3. Select probe assembly location away from other tank fittings. Drill
1.25-in. (32 mm) dia. hole in top of tank.
4. Place probe assembly into center of hole. Mark four fastener locations
at corners. Remove probe assembly from hole.
5. Drill fastener holes with 1/8-in. (3 mm) drill bit.
6. With probe assembly removed from tank, turn on electrical power to
system. Move black float up and down to assure proper operation of
float and indicator light. Red indicator light should illuminate when
float is pushed up. After successful test, turn off electrical power and
disconnect wires at quick-connect terminals.
7. Place probe assembly into hole in top of holding tank. Use four #8
fasteners (provided) to secure probe assembly into holding tank
(fig. 4
, page 2). Re-connect wires and turn on electrical power.
6.2 Probe Assembly (fig. 4
, page 2)
Caution!
Do not use probe assembly in fuel tank. Never install the probe
assembly with float switch in tank that contains anything other
than wastewater, gray water or fresh water.
Note
For installation in sailboats: Locate probe assembly on athwart-
ships centerline of tank to assure accuracy when heeled.
DTM01 Tank Monitor Installation