1.Product description
The CHEMTROL 250 is a microprocessor-based digital controller designed to maintain both sanitizer ORP (oxidation-reduction potential or Redox) and water pH in high-end residential pools, small commercial pools and spas and light industrial applications.
Designed for affordability, simplicity of installation, ease of use and long-term reliability, it includes features normally not found on this type of controller, such as:
Adjustable Set Points
djustable High and Low Alarms,
Adjustable Overfeed Safety Timers,
Adjustable Proportional Feed Control.
We carry all aspects of the system:
Chemical Feed Pumps,
Chemical Storage Tanks for the use of Sodium Hypochlorite  CO2 Controllers for pH Control
2.Feature
| Easy to install |
| Simple to use |
| All Control Functions on Front Panel |
| Separate Adjustable Setpoints |
| Separate Adjustable Alarms |
| Acid/Base Selector |
| Proportional Feed with Adjustable Bandwidth |
| Separate Adjustable Overfeed Safety Timers |
| Waterproof Cabinet with Clear Window Cover |
| 2year Electronics Warranty |
| Toll-Free Technical Support |
3.Specification
ORP CONTROL |
Adjustable from 400 to 900 mV |
pH CONTROL |
Adjustable from 4.0 to 10.0 |
ORP SENSOR |
Platinum electrode with 10-ft (3 m) cable |
pH SENSOR |
Glass electrode with 10-ft (3 m) cable |
READOUTS |
ORP (3 digits) and pH (2 digits) LEDs |
FEED MODES |
Manual, automatic, proportional |
ADJUSTMENTS |
Setpoint, calibration, limits, feed rate |
INDICATORS |
LEDs for feed mode, feed status, alarms |
SAFETY |
Audio, visual and remote alarms |
CABINET |
Polystyrene 9x7x4 in. (22x18x10 cm) |
ELECTRICAL |
110V, 230V or 24 VAC (specify) |
PLUMBING |
PVC tees for 1-1/2" or 2" line |
WARRANTY |
2 years on electronic module |
SHIPPING |
12x12x12-in (30x30x30 cm) carton |
4.Installation of the CHEMTROL 250 is as easy as 1-2-3.
- CONTROLLER - Connect the controller to the 110 or 230V output of the Timer in parallel to the recirculation pump.  This will prevent accidental feeding of chemicals when the pump is not running. Make sure to follow the electrical code.
- SENSORSÂ - Install the ORP and pH sensors on the recirculation line or on the optional bypass line. Â The two sensors can be mounted directly on the main recirculation line with 2" PVC tees, as shown on the schematic. Â For recirculation lines over 2" in diameter lines, the sensors should be mounted on a 1/2" bypass line.
- CHEMICAL FEEDERSÂ - Connect the chemical feeders to the 110 or 230V controller outputs, according to the manufacturer's instructions, making sure to inject the chemicals downstream of the sensors. Â For a bromine or chlorine erosion feeder, install a corrosion-resistant solenoid valve on the intake line of the feeder. Â The controller is compatible with most ozonators and electrolytic generators.
5.Company History
 Our company,Guangzhou Fenlin Sauna Equipment Co.,Ltd,is a manufactuer by making the swimming pool equipment and the accessories.As far as we concerned,a good quanlity is one of the most effective way to appeal clients.what's more,if the good quanlity with the lower price,the clients will be more happy.
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