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7
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310.6002.0
NOTE: Liquid supply shall be ton containers. All containers in use must be at the same temperature and elevation.
Liquid Service Components:
Automatic switchover controller (120 Vac or 240 Vac)
Liquid expansion chamber with rupture disc, pressure indicator and pressure switch (chlorine or sulfur dioxide)
1" Valve with motorized operator
Pressure switch with diagragm protector (Range 5-30 psig) (chlorine or sulfur dioxide)
NOTE: Liquid withdrawal manifolds are required.
Figure 3 -Automatic Switchover System - Liquid Withdrawal
PS
PS
ALARM CONTACTS
SIDE A / SIDE B
OPEN / CLOSED
REMOTE STATUS CONTACT
VALVE A, VALVE B
VALVE A
VALVE B
SIDE A
SIDE B
PI
PSH
PSH
PI
PSH
PI
LIQUID
TO VAPORIZER
Reset
Close
Close
Open
Manual
Open
Auto
On
Off