Daikin WCT Series Operating & Maintenance Manual page 34

MOTOR Setpoint Screen
Figure 21, MOTOR Setpoint Screen
Table 13, MOTOR Setpoint Settings
Description
Demand Limit Enable
Minimum Amps
Maximum Amps
Nameplate RLA
Soft Load Enable
Initial Soft Load Amp
Limit
Soft Load Ramp
Minimum Rate
Maximum Rate
Nominal Capacity
Oil No Start Diff
(above Evap Temp)
VFD
Minimum Speed
Speed @ 0 Lift
Lift @ 100% Speed
OMM WCT
Default Range
OFF OFF, ON
40% 20 to 80%
100% 40 to 100%
OFF OFF, ON
40% 20 to 100%
5 min 1 to 60 min
0.1
0.0 to 5.0 F/min
F/min
0.5
0.1 to 5.0 F/min
F/min
0 to 9999 Tons
40 F 30 to 60 F
No No, Yes
70% 60 to 100%
50% 0 to 100%
40 F 30 to 60 F
Centrifugal Chillers
Pass-
word
ON sets %RLA at 0% for 4 mA external signal and at
O
100% RLA for 20 mA signal
T % RLA below which unloading is inhibited
T % RLA above which loading is inhibited (Load Limit)
Not used on WSC/WDC models
M Soft load on or off
M Initial amps as % of RLA
Time period to go from initial load point (% RLA) set in
M
SP 5 to 100% RLA
Additional compressor can start if LWT change is below
M
setpoint.
Inhibits loading if LWT change exceed the setpoint
M
value.
Determines when to shut off a compressor
Minimum Delta-T between oil sump temperature and
T
saturated evaporator temperature
T VFD on unit or not
Min VFD speed, has priority over Speed @ 0 Lift & Lift
T
@ 100 % Speen
T Lift @ min speed as a % of 100 % lift
Temp lift at 100 % speed (cond sat – evap sat temp)
T
Comments
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