TM 55-1925-273-10-1
OPERATOR'S MANUAL
INLAND AND COASTAL LARGE TUG (LT)
DESCRIPTION AND USE OF OPERATOR CONTROLS AND INDICATORS
FAN ROOM, MAIN DECK
FAN ROOM, MAIN DECK
3
2
4
5
1
15
6
14
7
8
16
13
12
11
9
10
Figure 1. Fan Room, Main Deck
Table 1. Fan Room, Main Deck (refer to figure 1)
Key
Control/Indicator
Function
1
Preheater Unit (1-23-2)
This unit preheats the air entering the fan coil unit (figure 1, item 5).
2
HVAC SYSTEM CONTROLLER This controller turns preheater unit 1-23-2 (figure 1, item 1) ON and OFF.
FOR PRHTR 1-23-2
See figure 2 for details.
3
HVAC SYSTEM CONTROLLER This controller turns fan coil unit 1-25-2 (figure 1, item 5) ON and OFF.
FOR RHTR 1-25-2
See figure 2 for details.
4
HVAC SYSTEM CONTROLLER This controller turns preheater unit 1-23-4 (figure 1, item 11) ON and OFF.
FOR PRHTR 1-23-4
See figure 2 for details.
5
Crew Mess Fan Coil Unit
This fan coil unit heats and cools the air for the crew mess area.
6
CREW MESS FAN COIL UNIT
This controller turns the crew mess fan coil unit ON and OFF. See
Motor Controller
figure 3 for details.
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