Table 6. Menu P5
50 Number of Compressors
51(A) Compressor A Tons
51(B) Compressor B Tons
51(C) Compressor C Tons
51(D) Compressor D Tons
52 Low Water Temperature EXV Gain Compensation d/E
53 Fan Control d/E
54(1) Number of Fans on Circuit 1
54(2) Number of Fans on Circuit 2
55 Reduced Inrush Starting d/E
56(A) Compressor A Current Overload Setting
56(B) Compressor B Current Overload Setting
56(C) Compressor C Current Overload Setting
56(D) Compressor D Current Overload Setting
57 GP Compressor Unit Disabled
58 Low Ambient – Half Air Flow Fan d/E
59 Low Ambient Two Speed Motors d/E
5A Night Noise Setback d/E
5b(1) Number of EXV’s on Circuit 1
5b(2) Number of EXV’s on Circuit 2
5C(1) Future Option
5C(2) Future Option
WARNING
Hazardous Voltage w/Capacitors!
Disconnect all electric power, including remote disconnects and discharge all motor start/run
capacitors before servicing. Follow proper lockout/tagout procedures to ensure the power
cannot be inadvertently energized. For variable frequency drives or other energy storing
components provided by Trane or others, refer to the appropriate manufacturer’s literature for
allowable waiting periods for discharge of capacitors. Verify with an appropriate voltmeter that
all capacitors have discharged. Failure to disconnect power and discharge capacitors before
servicing could result in death or serious injury.
For additional information regarding the safe discharge of capacitors, see PROD-SVB06*-EN
Replacement Procedure
PART-SVN251A-EN 7
3. Disconnect and lockout the power to the chiller.
a. Open the unit disconnect switch that feeds power to the chiller.
b. Install lockout/tagout lock(s).
4. Cut the hole for the new CLD in the control panel door.
a. Remove the existing clear Plexiglas
®
window from the control panel door.
b. If necessary, remove the control panel door from the chiller.
c. Measure and mark 4.75 in. from the middle hole on top of the existing cutout to just outside
the
right
and left edges.
d. Measure and mark 1 in. from top edge of existing hole.
e. Measure and mark 11 in. down from the mark made in the previous step.
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