McQuay TSC User Manual

70 OM Centrif Micro ΙΙ-5
Operation
LED Display
• View parameters, messages and faults.
• Shows software revision on power up.
Programming
• Press PARAM to enter the menu and
then UP or DOWN to reach the desired
parameter.
• Press ENTER to show the present value
of the parameter.
• Press UP or DOWN to change the
parameter value.
• Press ENTER to store the new value or
PARAM to abandon the change.
Quick Meters
• Press DOWN to display the motor
thermal overload content.
• Press UP to display the incoming line
phase order.
• Press ENTER to display the status
meter.
Fault Log
• Press PARAM, Select P24 and press
ENTER. The most recent fault will be
displayed as “xFyy” where x will be 1
to indicate the most recent fault is
being displayed and yy is the fault
code.
• Press DOWN to view older faults. Up
to 9 faults may be stored in the log.
Resetting a Fault
• First correct the cause of the fault.
Then press RESET to reset from a
fault.
Resetting Parameters
• Press and hold PARAM and ENTER on
power up to reset parameters to
default values.
Emergency Thermal Reset
• Press RESET and DOWN to perform an
emergency thermal reset.
View Parameters
Parameter view mode can be entered by:
1. At the default meter display, press the PARAM key to enter parameter mode. “P 1” will
be displayed to indicate Parameter 1.
2. Use the UP and DOWN keys to scroll through the available parameters.
3. Pressing the UP key from “P 1” will advance to parameter “P 2”.
4. Pressing the DOWN key from “P 1” will wrap around to the highest parameter.
5. The value of the parameter can be viewed by pressing the ENTER key.
6. To view another parameter without changing/saving the parameter, press the PARAM
key to return to the parameter number display.
To return to the default meter display either:
1. Press the PARAM key while in the parameter number display mode.
2. Wait 60 seconds and the display will return to the default meter display.
Set Parameters
The starter setpoint parameters are factory set and subsequently reviewed during commissioning
by the McQuay startup technician. They should not be changed unless authorized by McQuay.
The programming procedure is explained above and the following table shows the range of values
and defaults.
CAUTION
Improper setting of parameters can cause compressor damage or nuisance trips

McQuay TSC Specifications

General

Brand	McQuay
Model	TSC
Category	Controller
Language	English