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Auxiliary Input Wiring
The control is designed to monitor an external signal
using the "Auxiliary Input." This input has 24VAC on one
terminal and uses the other terminal to receive back the
24VAC to close the auxiliary input circuit. An external
"normally closed" safety contactor, such as an emergency
stop or an external "disable" signal from an automation
controller, can use this auxiliary input. See Figure 152.
By default, the Auxiliary Input is disabled at the factory.
You can enable this input to either cause the heater to
report the warning fault "Aux Input Warning" on the LCD
or to disable the operation of the heater and report the
interlock fault "Aux Input Fault." Refer to section 13,
Installer menu on page 23 for more information about
the Auxiliary Input.
The following steps and wiring diagrams demonstrate
the use of the Auxiliary Input with an "Emergency Stop"
button that disables the operation of the heater when the
Auxiliary Input is configured as "Interlock".
1. Follow the general instructions for wiring external
devices by connecting two wires from the "Emergency
Stop" button to the heater's control box.
Figure 152. Cable Routing to the VS Pump Controller
2. Inside the heater's control box, connect the 2-wire
cable to the control board terminal labeled "SOLAR"
[P11] using the harness adapter labeled "Solar
Temperature Sensor / Auxiliary Safety Input" supplied
with the heater in the accessories bag. Make sure to
use only the orange wire with black stripes to connect
the external safety device. See Figure 153 for details.
82
APPROVED
P2
WPS
3. Make sure to enable and configure the Auxiliary
Solar Heater Integration
The control is equipped to function as a solar heater
controller integrated with the operation of the heat pump
pool heater. It provides a 10K sensor input in P11 and
a 3-way valve output in P9 of the control board labeled
Use a 2-wire cable to
"SOLAR 3-WAY VALVE." When the "Solar Heating"
send the 24VAC signal
from the heater's
function is enabled from the Installer Menu, Terminal
Auxiliary Input to the
P9 supplies 24VAC at 0.75 amps to drive a 3-way valve
"C" terminal of the Stop
button. Use the "NC"
actuator. Terminal P11 provides an input to connect a 10K
terminal of the Stop
button to return the
thermistor to be used as a 'Solar sensor.' Please note that
signal to the heater's
the 10K solar sensor is not included with the heater. You
Auxiliary Input.
can order a 'Temp Sensor 10K' spare sensor (service PN
100-10001050 - KIT - HPPH Sensor Solar 10K) to use as
the Solar sensor.
C
NC
By default, the "Solar Heating" function is disabled at the
factory. You can enable this function from the Installer
Menu and configure it to operate a Solar Heating collector
simultaneously with the Crosswind V Heat Pump Pool
Heater. For detailed information about configuring the
Solar Heating function, refer to section 13 (Installer
Menu) on page 21.
The following steps and wiring diagrams describe the
expected installation of the Solar heater components in
the pool piping.
1. The 10K "Solar sensor" should be installed before
2. Install a "Solar 3-way valve" downstream of the filter
3. Install a "check valve" at the outlet of the solar heater
UNCONTROLLED DOCUMENT IF PRINTED
SOLAR HEAT
& AUX INPUT
P11
P9
P3
LPS
HPS
FAN
RVS
COMP
Figure 153. Auxiliary Input Wiring
Input from the INSTALLERS Menu. For detailed
information about the Auxiliary Input, refer to section
13, Installer menu on page 23.
the solar 3-way valve. The ideal position is between
the pump and the filter.
to divert water flow to either the Heat Pump or Solar
collector when commanded. The default flow position
should be directed towards the Heat Pump.
to prevent backflow to the solar collector. See Figure
154.
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NC
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