32
World Leaders in Ultra-Pure Heating
www.heateflex.com
405 E. Santa Clara St., Arcadia, CA 91006-7218
O
: (626) 599-8566
F
: (626) 599-9567
Problem
Solution
The Auto Purge feature is not
functioning
(Optional on Aquarius
D.I. Water
Heating Systems only)
A. Verify that the Auto Purge feature has been
enabled.
B. Check the Auto Purge settings.
C. The unit is
“ACTIVE”
. The Auto Purge feature
can only be activated when the unit is in
“STANDBY”
mode, the
“Auto Reset”
is set to
ON and there is no flow through the unit.
D. Verify that an adequate supply of air is present
to the solenoid valves.
E. Verify that the solenoid valves are operational.
F. Verify that the air operated valves (AOV) are
operational.
Pump Alarm
(Aquarius
D.I. Water Heating
Systems only)
Please note that this alarm is only active when the
Recirculation is “active”.
A. Verify that the circuit breaker is set to the ON
position.
B. Check for any loose wiring connections.
C. Pump Controller may not be powered ON or the
voltage supplied to the pump controller is out of
range. Check the pump power supply and the
incoming power to the pump controller.
D. Check the motor power cable.
E. Check the motor sensor cable.
F. Check the Safety PLC interface cable.
G. The pump motor temperature is over 100
o
C.
H. The pump motor temperature was higher than
90
o
C for more than 10 minutes.
I. The pump controller temperature was higher
than 70
o
C for more than 10 minutes.
J. The pump controller temperature is over 80
o
C.
K. The pump controller has an over current issue or
the power channel has been interrupted.
