Evoqua Wallace&Tiernan 50-200 Series, Руководство пользователя

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WT.050.200.001.UA.IM.0814
50-200 EVAPORATOR FOR CHLORINE
26
EVOQUA W3T98237
NOTE: Due to the insulating quality of the chlorine cylinder paint finish,
there may be little or no initial reading on the milliammeter. If a reading is
now observed, adjust the potentiometer located next to the milliammeter
on the front of the control box to obtain a reading between 25 and 50% on
the meter. See Dwg. 50.200.170.010. If the needle remains on zero, check
the cathodic protection system’s electrical connections. Before opening the
control box to check connections, observe the following warning.
WARNING: LINE VOLTAGE IS PRESENT AT THIS LOCATION EVEN WHEN
THE PANEL POWER SWITCH IS IN THE OFF POSITION. TO AVOID POS-
SIBLE SEVERE PERSONAL INJURY DUE TO ELECTRIC SHOCK, DISCON-
NECT THE EXTERNAL POWER SUPPLY BEFORE SERVICING.
d. If, after six months to one year, the milliammeter shows no reading, add
another 1/4 lb. of sodium sulfate. If the water bath is drained, add 1/4 lb.
of chemical on refill and adjust for a 25 to 50% reading.
NOTE: One-quarter lb. of chemical is all that is required at each addition
of chemical. Using more than 1/4 lb. will not increase the efficiency of the
cathodic protection system.
CAUTION: Always replace caplug after adding sodium sulfate solution.
This will prevent the introduction of foreign objects or substances into the
water bath.
3.1.4 Enclosure
Replace the enclosure on the evaporator. The evaporator is now ready for
operation. Refer to Dwg. 50.200.060.030.
3.2 Operation
3.2.1 Startup
When the procedures in paragraph 3.1, Preparation For Initial Operation, are
completed, the water bath will be at the operating temperature of 180°F.
Slowly open the evaporator liquid supply valve. Open the outlet valve of the
evaporator and put the chlorinator in service.
3.2.2 Operating Routine
Regular observation of the evaporator function indicators and alarm lights will
enable the operator to verify that the evaporator is working properly.
• EVAPORATOR PRESSURE GAUGE: The gauge indicates the pressure inside
the evaporator cylinder, which is also the equilibrium pressure inside the
chlorine supply container corresponding to the temperature of the chlo-
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