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Connecting a remote:
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Remote control connection:
T
he heater is equipped for connection to an exter-
n
al 2-wire remote thermostat or a 3-wire remote
switch. A 2-wire thermostat has its own temperature
sensor for regulating water temperature. A 3-wire
remote switch allows the “Pool” or “Spa” modes to be
remotely selected.
Connect remote wiring to the terminal block on
the Control Module. For a 2-wire remote thermostat,
connect one wire to the Pool terminal and the sec-
ond wire to the 24 VAC terminal. For a 3-wire
remote, connect Pool/Low to the Pool terminal,
Spa/High to the Spa terminal, and Common to the
24 VAC terminal.
Remote wiring should be run in a separate con-
duit. For runs less than 30 feet, use 22 AWG wire.
For runs over 30 feet, use 20 AWG wire. Runs should
not exceed 200 feet.
To configure the heater for 2-wire remote thermo-
stat control, use the “Mode” key of the keypad to put
the control in the “Standby” mode. Then press and
hold the “Down” and “Mode” keys for 3 seconds until
the indication “bo” is shown on the display.
To operate the heater by remote thermostat, the
heater’s control must be in either “Pool” or “Spa
mode. The heater’s display will show “bo”. The “Pool”
or “Spa” LED will be illuminated. The heater will fire
when instructed by the remote thermostat. The
heater’s thermostat will function to limit the water
temperature to a maximum of 104°F.
To operate the heater with a remote 3-wire switch,
the heater’s control must be in the “Standby” mode.
The Standby LED will be illuminated. When the
remote switch is set to “Pool/Low”, the Pool LED will
be energized and display will show the water temper-
ature. When the remote switch is set to “Spa/High”,
the Spa LED will be energized and the display will
show the water temperature. The heater will use its
internal thermostat to regulate the water temperature
to the set point of the mode selected.
Bypass Operation
Note the following information when setting up the IDL2
for Bypass Operation (control via a remote thermostat).
1. Use the keypad to set the IDL2 for Bypass
Operation as outlined in the Owner/Operator
Manual. No dipswitches are used on this model.
2. When shipped from the factory the mode will be
set to “STANDBY” and the thermostat settings for
“SPA” and “POOL” will be set at 65° F.
3. During a pre-install prior to pool/pump startup it
may be desired to set Bypass Operation before
sufficient water pressure is available. In most
situations this is now possible with IDL2 heaters
that use Version 13 operating software. After
powering up the heater the fault code “LO” will
illuminate on the display panel. This will be a
“soft” lockout resulting from the open contacts on
the water pressure switch; the control will accept
inputs via the keypad. Follow the process
described in the Owner/Operator manual to set
Bypass Operation. Bypass Operation cannot be
set while any other fault code is displayed until
that code is cleared. After setting Bypass
Operation (the display will read “bo”) set the
heater to “SPA” or “POOL” as needed.
4. The display will continue to show “bo” for 10
seconds, then “LO” will be displayed again.
a. If the remote thermostat does not generate a
call for heat the “LO” error will continue to be a
“soft” lockout. The control will accept keypad
inputs to change the mode and it will remain in
the selected mode when the error code is
cleared.
The heater will not operate until the error
code is cleared.
b. If the remote thermostat generates a call for
heat the “LO” error will be a “hard” lockout. The
control will accept keypad inputs to change the
mode and it will remain in the selected mode
when the error code is cleared or the call for heat
is removed. It will not be possible to switch out of
Bypass Operation until the error code is cleared.
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