
ECM Overview and Setup
UV-SVN03F-EN 51
RPM Mode
RUNNING/ FAN STATUS
CONTINUOUS LOOP
Displayed when:
1) No error codes are present
2) Motor has completed ramping
Indicates the current rpm of Motor 1 in the system. “0” rpm
here indicate that no fan speed has been requested.
→
Indicates the current rpm of Motor 2 in the system. “0” rpm
here indicate a fan off condition OR a fan “missing”
condition
(a)
.
→
Indicates the status being calculated or Fan Motor 1. If “off,”
this indicates that either:
1) No fan speed is being requested or
2) The fan performance is failing to meet the request; refer
to “Troubleshooting (ECM),” p. 105 for additional
information.
If “on,” this indicates that the fan is performing correctly and
will be used to report fan status correctly, depending on
mode.
/
Indicates the status being calculated or Fan Motor 2. If “off,”
this indicates that either:
1) No fan speed is being requested or
2) The fan performance is failing to meet the request; refer
to “Troubleshooting (ECM),” p. 105 for additional
information.
3) If the target speed for Motor 2 is “0,” this is used to
indicate a missing motor
(a)
.
If “on,” this indicates that the fan is performing correctly and
will be used to report fan status correctly, depending on
mode.
/
Indicates that the temperature sensing circuit has
calculated a logical “on” based on the settings of the
following parameters:
///
(a)Motor 1 is the only motor in unit sizes 075 and 100; unit sizes 1250 and 1500 contain two motors.
UV-SVN03_.book Page 51 Thursday, January 24, 2013 5:27 PM
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