Operation - Dometic DTD01A Instruction Manual

Dometic Tank Discharge Control
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Operation

Caution!
Operator must know local regulations for emptying a holding tank .
7.1 DTD01A discharge control with DTM04 tank monitor system
1 . When boat is in unrestricted waters and automatic pump-out is desired, open seacock, insert
key into switch and turn to "automatic power" position (A) .
2 . As holding tank content level increases and raises the "mid" level float, the discharge pump
starts (B) . A green "tank discharge" light indicates when the discharge pump is operating .
3 . When tank content level falls below the "low/empty" probe, the pump automatically stops
operating (C) .
4 . If pump-out is desired but the "mid" level float has not activated the discharge pump, turn the
key to the "manual start" position (B 1) . Hold the key until tank discharge is complete, then let
key rebound to "off" position .
Caution!
Do not allow discharge pump to operate for an extended period of time when there is no
discharge from holding tank . Damage to pump may result .
7.2 DTD02A discharge control panel with DTM04 tank monitor system
(fig . 5 , page 3)
1 . When boat is in unrestricted waters and automatic pump-out is desired, open seacock, insert
key into switch and turn to "automatic power" position (A) .
2 . If seacock is closed, the interlock switch sends a signal to the panel, the yellow "caution"
indicator turns on, and the discharge pump will not start . To start discharge pump with key in
"automatic power" position, open the seacock, and pump will start (B) . A green "tank discharge"
light indicates when the discharge pump is operating .
3 . When tank content level falls below the "low/empty" probe, the pump automatically stops oper-
ating (C) .
4 . If pump-out is desired but the "mid" level float has not activated the discharge pump, turn the
key to the "manual start" position (B 1) . Hold the key until tank discharge is complete, then let
key rebound to "off" position .
Operation
(fig . , page 3)
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