Valves Fully Open
(
Tank Inlet 2 20 . lW or 220. 2W
(
Tank Outlet 2 21 . lW or 2 21 . 2W
Cocks on gauges M4W , M5W, M6W
M7W, MSW, MlOF
Two s ide valves on manifol d
at WD2W
Auxiliary Pump Inlet 2 2 3W
Valves
Closed
(
Tank Inlet 2 20 . 2W or 220.lW
(
Tank Outl et 2 21 . 2W or 221.lW
Center valve on manifol d
at WD2W
Auxiliary Pump Outlets
225W, 2 26W
Waste, 2 22W
Hous e Heater 227W, 2 2 8W .
Throttle valves 2 3W and 24W are normally adjusted for flows
of 10 G . p . m. and 40 G . p . m. in the ir respective branches .
B y-pas s valve 218.W
(
usually kept closed
)
may b e opene d, if
desired, to increas e water temperature .
With valves s et for normal operation, no manipulation
is r equire d when shutting down or r estarting the water cool
ing system.
In cold weather, the hot water may b e circulated
through the house heater by opening valves 227W and Z28W
and by clos ing
(
partly or fu ll y
)
cooler inlet valve 2 14. lW
or 214. 2W. Stopping the b lower MB l . lW or MB 1 . 2W will rais e
the water temperature, if that is desired.
When outdoor temperatures fall to freez ing, s ome manip
ulation of valves and switches is neces sary at each daily
stopping and s tarting· of the radi o transmitter :
Stopping in freez ing weather
Clos e cooler inlet valves 2 14. lW and 2 14 . 2W .
Open cooler drain valves 2 15 . lW and 2 1 5 . 2W .
I f hou s e heater valves 227W an d 2 2 8W are not
open, open by-pass 2 18W.
Set b lower motor switches D4. 1W and D4. 2W to 11off11
pos ition.
37
Содержание 407A-4
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