Nothing's as cool, as a
freshwater pool™
easyCHEM 770 ORP and pH Controller
for
Pools and Spas with Timer Output for Pool Pump
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Full Size Image
Illustration of Typical Full
Installation
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 | Automatic controller
for ORP and pH
in Swimming and Spa Pools. The easyCHEM
770 has 2 inbuilt peristaltic pumps, making installation a breeze.
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| Supplied with sensors,
calibration standards and all accessories required for installation
and operation.
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| Fast and easy to
install.
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| Water resistant to
IP25.
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| Easy to use.
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| Designed for domestic
and small commercial pool installations.
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| To see how quick and
easy the easyCHEM 770 is to install, ask for a copy of the
installation guide. |
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Features
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Benefits
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| Pool
Pump Timer Output |
| Pump Timer controls the main pool pump. Unit
offers Summer, Winter, Auto and Custom modes.
Summer mode pumps 4 hours in the morning, 4 hours in the afternoon.
Winter mode pumps 4 hours in the afternoon only.
Auto mode automatically changes to Winter mode on 15th May and returns
to Summer mode on 15th August. (15th November & 15th February
respectively for the Northern Hemisphere). These dates can be customised
by the user.
Custom mode allows user to enter 1 or 2 pumping cycles per day at times
of their choice.
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Installer does not have to purchase and install
a separate pool timer. Just one power point is required. Saves
installation time & money.
Ensures controller only adds chemicals when the pump is actually
running.
Clock has battery back-up so no need to reset in case of power failure.
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Inbuilt Peristaltic Dosing Pumps |
Peristaltic pumps are far more reliable than solenoid valves. If a valve
on the suction side of a pump leaks when it supposed to be closed, that
whole drum of chemical will be dosed into the pool.
Peristaltic pumps have positive displacement, so injection can occur in
the return line, after the filter and any heating equipment.
The benefit of peristaltic pumps is therefore higher reliability and
longer life for other pool equipment.
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Unit is fully calibrated and has most the common set-up defaults when it
leaves the factory. |
Easy Pool Size entry sets up correct automatic
control function. Choice of the following settings...
Spa
20,000 Litres
50,000 Litres
100,000 Litres |
Installation is simplified. Just mount the
controller and tee piece, connect the probes and switch it on. The default
settings are suitable for pools between 50,000 and 100,000 Litres.
Saves time. Prevents errors.
Unit provides easy control set-up by inputting pool size for other size
pools and spas.
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Single probe and chemical injection tee |
| The single probe mounting and chemical
injection assembly is made from a standard 50mm PVC Tee. Reduction bushes
are supplied in the kit for 40mm pipe installations. |
The installer saves time and money by breaking
into the return line at only one point. No special tools or drilling etc
are required. |
Fully waterproof enclosure. |
| The easyCHEM 770 has been independently tested
for conformance with IP25 weather resistance. The sensor connectors
are IP65 (hose-proof). |
The easyCHEM 770 is suitable for outdoor use,
however a separate shelter is desirable.
The superior design of the 24VDC pumps means the
entire unit runs cooler than other brands which use 240V AC pumps.
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32 character alphanumeric display |
User-friendly text messages in simple English are provided for control
status, alarms, set-up messages etc. No obscure codes or flashing lights
which confuse most people.
The menu system makes it a breeze to change settings or check operation
of the unit.
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Full function keypad |
All day-to-day operations are directly accessed with a single keypad
button, simplifying operation. More complex set-up tasks are accessed via
a separate "Tech Menu" key. |
Super-Chlorinate Function |
| Operator can enter how many litres of Chlorine
they wish to add.
The pool pump is always run for 4 hours when super chlorination is
complete, ensuring total mixing.
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End-user or pool service professional does not
need to handle liquid chemicals for super-chlorination. The easyCHEM 770
handles it for you, and returns to normal control operation afterwards. |
Pool Backwashing Function |
| The easyCHEM 770 prompts the user to set the
filter control to Backwash, Rinse and Normal Filtration as required. The
pool pump is switched off whenever the filter control is being changed.
Chemical addition is disabled while backwashing.
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Makes backwashing simple for home users,
helping to ensure clean, hygienic water. |
Pump to Waste Function |
| The easyCHEM 770 prompts the user to set the
filter control to "Pump to Waste" and Normal Filtration as
required. The pool pump is switched off whenever the filter control is
being changed.
Chemical addition is disabled while pumping to waste.
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Makes draining the pool simple for home users.
Normally only used after periods of heavy rain. |
Dosing Pump ShutOFF feature |
| If the Chlorine and/or Acid pumps pump
chemicals continuously for more than a user-selectable time, the pump(s)
will shut down. |
Stops the pumps operating dry when the chemical
drum is empty.
Stops whole drums of chemical being added to a pool in case there is an
instrument or probe fault.
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Alarm Function |
| If the ORP and/or pH readings go beyond the Set
Point(s) by a preset amount for a preset time, the internal beeper will
sound and the display will show an alarm message. The easyCHEM 770 continues
automatic control to attempt to bring the reading back within the Set
Point. |
Safeguards against overdosing or underdosing in
case of instrument or probe fault. |
Service/Calibration Interval Message |
| Displays a friendly message at factory-set
intervals, informing the user that it's time to check and calibrate the
sensors (every 3 months) and lubricate pump tubes (annually). |
Ensures that the unit is regularly maintained
and calibrated, providing for the best possible accuracy and pool water
quality. |
Specifications
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ORP
Range
: 0 to 999 mV
Resolution : 1 mV
Accuracy : +/-1 mV
pH
Ranges
: 2.00 to 12.00 pH
Resolution : 0.01 pH
Accuracy : +/-0.02
pH
Temperature
Range
: -10.0 to 120.0 OC
Resolution : 0.1 OC
Accuracy : +/-0.2 OC
Temperature Compensation
Automatic Temperature Compensation
for pH. Uses temperature sensor built into
ORP sensor
Calibration
Automatic calibration for all
parameters, with automatic standards recognition.
Enclosure
Tough ABS enclosure tested to
IP24. Temperature sensor connector is rated to IP65.
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Display
32 Character alphanumeric LCD
with user-friendly menu system and full-text messages.
Dimensions
265 x 185 x 130 mm (controller
only)
Mass
Instrument only : Approx 1 kg
Full Kit : Approx 5 kg
Environment
Temperature : 0 to 45 OC
Humidity : 0
to 95% R.H.
Peristaltic Pumps
| 2 x built-in Peristaltic
Pump.
1.8L/Hr with small tubes
6.1L/hr with large tubes |
| Chemical resistant
Santoprene
pump tubing |
Calendar Clock
24 Hour Calendar Clock.
Battery back-up in case of
power failure will last for >10 years.
Power
220/240V AC, 5 watts max for
controller.
Can be factory-set for 110/120
V AC
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Ordering Information
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Part No
easyCHEM 770
Controller.......117771
Kit Includes
pH Sensor,
2m.................111230
ORP/Temp Sensor,
2m...........111263
pH7.00 Buffer,
200mL..........121387
pH4.00 Buffer,
200mL..........121381
231mV ORP
Standard............121309
Sensor/Injection
Tee..........117904
50 to 40mm Bushes x
2.......NPBR5040
Pump Input/Output Tube,4m x2..116360
Drum Lid + tube fittings x2..116362
Tube weights for drum x
2....116354
easyCHEM 770
Handbook........130050
No other items are required to
install and operate the easyCHEM 770.
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Part No
Spares
Pump Tube assembly,
1.8L/Hr.116353
Pump Tube assembly,
6.1L/Hr.116352
Pump Tube Lubricant,
3mL....130103 |
Download this Specification Sheet in PDF format.