What to do if my Dunham-Bush ACDS displays error Er2?
If your Dunham-Bush Chiller shows error Er2, it means there was a voltage drop during programming, or the memory was damaged by electromagnetic interference. To fix this, reset the chiller to its factory settings. If that doesn't work, turn off the controller, then turn it back on while holding the [PRG/mute] key.
What to do if my Dunham-Bush ACDS Chiller displays error Er4?
If your Dunham-Bush Chiller displays error Er4, it means the temperature has exceeded parameter P26 for a duration longer than parameter P28. To resolve this, check the settings for parameters P26, P27, and P28.
What to do if my Dunham-Bush ACDS displays error Er3?
If your Dunham-Bush Chiller displays error Er3, it indicates that the contact linked to a digital input is open. Check connections C29, C30, C31, and P28. Also, inspect the external contact Er4.
How to troubleshoot Er0 error on Dunham-Bush ACDS Chiller?
If your Dunham-Bush Chiller is showing an Er0 error, the cause might be a faulty sensor. First, check the sensor connection. If the connection is good, check the sensor signal.
How to troubleshoot Er1 error on Dunham-Bush ACDS Chiller?
If your Dunham-Bush Chiller is showing an Er1 error, the cause might be a faulty sensor. First, check the sensor connection. If the connection is good, check the sensor signal.
Provides detailed physical specifications and data for ACDS chiller models.
General description of ACDS chiller design and installation requirements.
Procedure for inspecting equipment upon delivery for damage and correctness.
Table of electrical data including voltage, RLA, MCA, compressor, and fan motor specs.
Table detailing error codes, causes, control actions, and remedies.
Wiring schematic for the ACDS 010 model.
Wiring schematic for the ACDS 020 model.
Wiring schematic for the ACDS 030 model.
Wiring schematic for the ACDS 040 model.
Wiring schematics for ACDS 050, 060, and 070 models.
Wiring schematics for ACDS 080 and 090 models.
Wiring schematic for the ACDS 100 model.
Wiring schematic for the ACDS 120 model.
Wiring schematic for the ACDS 135 model.
Wiring schematic for the ACDS 150 model.
Wiring schematics for ACDS 165 and 180 models.
Troubleshooting common electrical malfunctions and protection devices.
A comprehensive guide to diagnosing and resolving common unit problems and symptoms.
General| Brand | Dunham-Bush |
|---|---|
| Model | ACDS |
| Category | Chiller |
| Language | English |
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