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8.914-458.0-G • Water Maze CLB-603
35
WATER TREATMENT SYSTEM
OPERATOR’S MANUAL
WARNING
RISK OF ELECTRIC
SHOCK: USE
CAUTION WHEN
HANDLING.
Never touch a pump or discharge piping when a
unit is operating or fails to operate. Always dis-
connect the pump cord (power) before handling.
1. The shaft seal depends on water for lubrication.
Do not operate the pump unless there is water.
Dry running (pump not pumping water) will cause
seal damage and eventual pump failure.
2. The motor is equipped with an automatic reset
thermal protector. This means if the temperature in
the motor should rise unduly, the switch will cut off
all power before damage can be done to the motor.
When the motor has cooled suffi ciently, the switch
will reset automatically and restart the motor. If the
protector trips repeatedly (cycling on protector) the
pump should be removed and checked as to the
cause of the diffi culty. Low voltage, long extension
cords, clogged impeller, very low head or lift, etc.,
could cause cycling. Cycling of the protector will
cause eventual motor burnout.
PUMP
MAINTENANCE
(Sump Pump)
WARNING: Before attempting
to service, disconnect power
from unit. Do not handle the
pump with wet hands or when
standing on a wet or damp
surface or in water. Failure to follow precautions
can result in personal injury and /or property
damage.
AVERTISSEMENT: Ce produit et les accessoires
peuvent contenir un produit chimique reconnu
dans l'État de la Californie comme pouvant
causer le cancer, des anomalies congénitales et
d'autres problèmes liés à la reproduction. Pour
en savoir plus sur ce règlement. Le non-respect
des précautions peut mener à des lésions
corporelles et/ou des dommages à la propriété.
NOTE: Only qualified electricians or servicemen
should attempt to repair this unit. Improper repair and/
or assembly can cause an electrical shock hazard.
1. Bearings in this unit are pre-lubricated. No ad-
ditional lubrication is necessary.
2. Cleaning - Occasionally clean the sump pit and pump
if dirt or foreign matter accumulate. Small stones,
gravel, sand, dirt, silt, etc. can clog and damage
the pump and pump seal, eventually causing pump
failure.
3. Disassembly of the motor prior to expiration of the
warranty will void the warranty. It may also cause
internal leakage and damage to the unit. If repairs
are required, return the pump to a local service
station.
4. If the motor has been disassembled or the switch
chamber opened after the warranty expiration
date, the O-rings and gaskets must be replaced.
Care must be taken to assure that the seals, the
switch cover and air tube gaskets do not leak.
5. The pump should be checked for proper opera-
tion weekly or monthly by watching the operation
of the pump. If anything has changed since the
pump was new, the pump should be examined,
and repaired if necessary.
Operation
The pH of the water stream is controlled automatically
by the digital controller. The controller receives input
from the pH sensor on the pH level of the digester tank.
The level of pH being sensed, and the requested level
programmed in the controller will determine if output
from the controller is sent to the feed pumps. If pH
adjust is needed, the output will turn the corresponding
feed pump on. This will inject the required pH until the
programmed level is reached and feed pump will stop.
Start-Up
Turn switch on right side of controller to the "ON"
position.
Feed Mode
The feed mode for the sanitizer of pH can be set to
"OFF", manual or Automatic. Set to Automatic. To
select the desired feed mode, press [pH] until the
corresponding LED indicator light is illuminated. There
is a short delay before activation. Note: Holding the
switch for more than 5 seconds resets the setpoint and
calibration for [pH] to original factory values.
pH Calibration
To calibrate the pH, use a reliable, fresh test kit (Phenol
Red). Note the value of the pH and compare it to the
display value.
To change the pH calibration:
• press [CALIBRATION],
• Press [pH]: the display fl ashes,
• Use the [UP] and [DOWN] arrows to adjust the
pH value,
• Press the [CALIBRATION] again to save the
new value.
pH Control Setpoint
The pH setpoint is preset at 7.0. To change the pH
control setpoint:
• Press [SETPOINT],
• Press [pH]: the display fl ashes,
OPTIONAL pH DIGITAL CONTROLLER - MODEL 240
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