Trane CVHG Installation Instructions

Installation
AFDH-SVN03H-EN 39
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
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™.
Table 14. CH531 CVR firmware parameter settings with a retrofit AFDH
TechView Configuration View
CH531 Tab Parameter Name
Range Default Setting Recommended Setting
Starter type Not Applicable Wye-Delta Non-Comm AFD
Impeller Diameter (CPIM) 210–335 275 Enter CPIM from Unit Nameplate
Compressor1: Number of stages CVHE = 3, CVHF = 2 2 Enter from Unit Nameplate
Condenser Pressure Sensor Installed, Not Installed Not Installed Installed
TechView Configuration View
Starter Tab Parameter Name
Range Default Setting Recommended Setting
Restart Inhibit Stop to Start Time 0–255 Seconds 30 30
Surge Protection 0 = Disable, 1 = Enable 1 1
Surge Sensitivity 0–100% 20 20
Restart Inhibit Stop to Start Time
(or Power Loss Reset Time)
0–255 Seconds 30 60
Stop Delay 1–30 Seconds 3 30
Unit Voltage 180–15000 Volts 460 Enter from Unit Nameplate
Voltage Transformer Ratio 0–700 20 Enter from Unit Nameplate
Rated Load Amps (RLA) 0–2500 Amps 500 Enter from Unit Nameplate
CT Meter Scale 0–2000 0 Choose Correct Scale from Table 15, p. 39
Current Unbalance Trip Point 15–100% 30 30
Current Unbalance Grace Period 10–255 Seconds 90 90
Maximum Acceleration Time 6–64 Seconds 6 30
Acceleration Shutdown Action Shutdown, Transition Shutdown Shutdown
Overload Type Exponential, Linear Linear Linear
Phase Reversal Enable, Disable Enable Disable
Contactor Integrity Test Enable, Disable Disable Disable
Phase Reversal Grace Period 20–1000 milliseconds 700 1000
Surge Protection Enable, Disable Enable Enable
Momentary Power Loss Enable, Disable Enable Disable
Table 15. CT meter scales for TechView or Tracer TU
Actual Motor
RLA Amps (A)
X13580269
CT Extension
CT Ratio
(A:A)
CT Rating
(A)
CT Meter Scale
100–133 02 150:0.1 150 150
134–184 03 200:0.1 200 200
185–267 04 275:0.1 275 275
268–334 05 400:0.1 400 400
335–467 06 500:0.1 500 500
468–667 07 700:0.1 700 700
668–1000 08 1000:0.1 1000 1000

Trane CVHG Specifications

General

Brand	Trane
Model	CVHG
Category	Chiller
Language	English