Required Reprogramming Of Ch531 Controls - Trane CVHE Installation Instructions Manual

Required Reprogramming of
CH531 Controls
Important:
• For a chiller retrofitted with an AFDH drive to operate
correctly and efficiently, it is critical that the actual
specific nameplate data values for the chiller be
entered in the CH531 menu parameters listed in the
table below (i.e. motor data and compressor impeller
data). If the unit nameplate is missing, unreadable, or
Table 14. CH531 CVR firmware parameter settings with a retrofit AFDH
TechView Configuration View
CH531 Tab Parameter Name
Starter type
Impeller Diameter (CPIM)
Compressor1: Number of stages
Condenser Pressure Sensor
TechView Configuration View
Starter Tab Parameter Name
Restart Inhibit Stop to Start Time
Surge Protection
Surge Sensitivity
Restart Inhibit Stop to Start Time
(or Power Loss Reset Time)
Stop Delay
Unit Voltage
Voltage Transformer Ratio
Rated Load Amps (RLA)
CT Meter Scale
Current Unbalance Trip Point
Current Unbalance Grace Period
Maximum Acceleration Time
Acceleration Shutdown Action
Overload Type
Phase Reversal
Contactor Integrity Test
Phase Reversal Grace Period
Surge Protection
Momentary Power Loss
Table 15. CT meter scales for TechView or Tracer TU
Actual Motor
RLA Amps (A)
100–133
134–184
185–267
268–334
335–467
468–667
668–1000
AFDH-SVN03H-EN
Range
Not Applicable
210–335
CVHE = 3, CVHF = 2
Installed, Not Installed
Range
0–255 Seconds
0 = Disable, 1 = Enable
0–100%
0–255 Seconds
1–30 Seconds
180–15000 Volts
0–700
0–2500 Amps
0–2000
15–100%
10–255 Seconds
6–64 Seconds
Shutdown, Transition
Exponential, Linear
Enable, Disable
Enable, Disable
20–1000 milliseconds
Enable, Disable
Enable, Disable
X13580269
CT Extension
02
03
04
05
06
07
08
of a vintage that did not include all of the required data
categories, contact Trane Global Parts Technical
Services. To contact them, send a message to
ATechnicalService@trane.com. Provide the chiller
serial number and request a copy of the shipped-with
bill of materials for this unit.
• Make sure your laptop is loaded with the most current
version of TechView™ or KestrelView™ software so
that you have the most up-to-date version of CVR MP
firmware available to install into the DynaView™.
Default Setting
Wye-Delta
275
2
Not Installed
Default Setting
30
1
20
30
3
460
20
500
0
30
90
6
Shutdown
Linear
Enable
Disable
700
Enable
Enable
CT Ratio CT Rating
(A:A)
150:0.1
200:0.1
275:0.1
400:0.1
500:0.1
700:0.1
1000:0.1
Installation
Recommended Setting
Non-Comm AFD
Enter CPIM from Unit Nameplate
Enter from Unit Nameplate
Installed
Recommended Setting
30
1
20
60
30
Enter from Unit Nameplate
Enter from Unit Nameplate
Enter from Unit Nameplate
Choose Correct Scale from Table 15, p. 39
30
90
30
Shutdown
Linear
Disable
Disable
1000
Enable
Disable
(A) CT Meter Scale
150 150
200 200
275 275
400 400
500 500
700 700
1000 1000
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