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ENGLISH
Jandy
®
TruDose
TM
Chemical Controller
|
Installation & Operation
Manual
2.4 Connecting the TruDose
Chemical Controller to an
Optional Jandy Saltwater
Chlorinator
WARNING
Disconnect power to the TruDose before
servicing by unpluging the power supply at the
receptacle.
When the TruDose ORP reading is lower than the
setpoint, the 24VDC cable will command the saltwater
chlorinator to turn on the chlorination. The chlorinator
will start to produce chlorine. The chlorinator user
interface will display the production rate of 0% to 100%
chlorine output.
When the TruDose ORP reading is higher than the
setpoint, the 24VDC cable will command the saltwater
chlorinator to turn off the chlorination. The chlorinator
will not produce chlorine, and the chlorinator user
interface will display “EC” (external control) flashing.
To connect the TruDose Chemical Controller to a Jandy
saltwater chlorinator, you will need to connect the
preinstalled 24VDC cable from the TruDose Chemical
Controller to the Power Interface Board (PIB) in the
saltwater chlorinator power pack. The ORP Jumper
on the Saltwater Chlorinator power pack PIB board
will need to be moved to Position 2. See Figure 6 for
instructions how to move the ORP Jumper to Position 2
on the power pack PIB.
24VDC Cable
pH
7.2-7.6
ORP
600-800 mV
Figure 4. TruDose Controller 24VDC Connection
2.4.1
Connecting the TruDose Chemical
Controller to the Jandy AquaPure
®
Saltwater Chlorinator
The TruDose Chemical Controller is compatible with the
Jandy AquaPure Saltwater Chlorinator. This includes the
power packs APUREM, F
USIONM and PURELINK.
Figure 5. AquaPure
®
Power Center (APUREM)
CAUTION
Disconnect power to the system at the main circuit
breaker before performing this procedure to avoid
risk of electric shock which can result in property
damage, severe injury or death.
The ORP Jumper as a default comes from the factory in
Position 1.
1.
R
emove the ORP Jumper J14 from the board.
2. Move the ORP Jumper from the two bottom pins to
the two top pins. See Figure 6.
3. Connect the TruDose 24VDC cable to the dedicated
2-pin connector J15 on the AquaPure power center
P
IB. See Figure 6.
NOTE:
The black wire must be connected to the right
and the red to the left.
J2
Shift Up
ORP
Jumper
J14
Chlorine Generator Power
Interface Board
ORP
Connector
J15
R0474300
Wires to the external
ORP Controller
J2
Black
Red
Figure 6. ORP Connection
4. The RS-485 connection can remain to provide
AquaPure information, including salt concentration,
status, and production % changes through the
iAquaLink app.
