Figure 2-10. Refrigerator control

TM 11-6780-225-12

Control

Function

Position

Operation

flow from

the

sink

and

the water

heater

pres-

sure relief

valve to

the floor

drain.

Closed .......... Diverts drain

water from

sink to

valve D1.

Drain valve D4

Open ............ Allows water

flow from

the water

heater to

the floor

drain.

Closed .......... Prevents wa-

Figure 2-9. Dehumidifier control

ter flow

from the

water heat-

er and di-

verts cold

water sup-

ply to water

heater and

valve S-5.

Drain valve D5

Open ............ Allows water

flow from

the control

unit to the

floor drain.

Closed .......... Prevents wa-

ter flow

from the

control unit.

Drain valve D6 (strainer)

Open ............ Allows wa-

ter to flow

Figure 2-10. Refrigerator control

out of the

Control

Function

input wa-

Position

Operation

ter strainer

into water

on to floor.

pump

Closed .......... Prevents wa-

through

ter flow

valve P-1.

from out

Drain valve D2 .................. Open ............ Allows water

of the in-

to flow out

put water

of the

strainer.

water tank

Drain valve D7 (pump)

Open ............ Allows re-

to the floor

sidual wa-

drain.

ter to flow

Closed .......... Keeps water

out of the

from drain-

water

ing out of

pump

the water

onto the

tank.

floor.

Drain valve D3 .................. Open ............ Allows water

Closed .......... Prevents wa-

ter from

flowing

out of the

water

pump

2-12