Emergency total shutdown red buttons are located as follows.
On ROWPU space starboard bulkhead aft of personnel door, above and forward of system emergency shutoff
Outside ROWPU space starboard door on weatherdeck.
Outside ROWPU space port door on weatherdeck.
Inside ROWPU space port door to weatherdeck.
Outside dayroom door to weatherdeck.
Inside dayroom door to weatherdeck.
7-15.5.2 Emergency shutdown procedures
In an emergency, push the appropriate red button to shut down either a selected system or all operating systems.
When emergency situation has been corrected, reset emergency button by turning collar behind button one-
quarter turn clockwise. Button will pop out and again be in the ready position.
After emergency button Is reset, HAC must be restarted by performing procedures in 7-15.2 and 7-15.3.
Section V. ROWPU space and voids heating system
7-16 Description. On ROWPU Barge 1 only, ROWPU space and voids are provided with 12 forced air heaters installed
throughout the barge (Figure 7-12). There are four heaters installed in the RO space and one Installed In each void.
Heater controls are located on the front of each electrically powered unit (Figure 7-13). The major components of this
Electric space heater, Model No. 20743 0-3, 3 kW, 440 Vac, 3 ph, 60 Hz, quantity of 12.
Power panel No. 4. 440 Vac, 3 ph, 3 W, 10 circuits, quantity of 1.
7-17 Capabilities. This heating system provides sufficient heating to maintain an ambient air temperature above 320F
during cold weather conditions.
7-18 Special limitations. The forced air heaters are Installed to provide sufficient heat to prevent freezing in the ROWPU
space and voids only.
7-19 Performance characteristics. Each unit provides the heat equivalent of 3 kW which is equal to 36 kW of heat for
the 12 heaters.
7-20 Operating instructions
7-20.1 Operating controls and indicators
Heater controls (Figure 7-13).
ON/OFF selector switch. Move the selector switch to the up position to turn heater OFF and to the down
position to turn heater ON.
Thermostat. The thermostat dial operating range Is marked for 40°F to 100°F. Rotate the control knob to
the desired heating temperature.
Manual reset switch. The manual reset hi-limit thermostat switch is set to open at 350°F and close at 40F
when it is reset.