Digital Diagnostic Controller (DDC) stage board for Dometic / Marine Air modular chiller assemblies — the stage board commanded by the CWMC / MCC master controller.
SKU / Ref: ASY-405
The DDC (Digital Diagnostic Controller) stage board — PCB-405 / ASY-405 — controls an individual chiller stage in a Dometic/Marine Air modular chilled-water plant. Each stage board holds loop-water setpoint and reports to the CWMC/MCC master controller. It is a direct replacement for the Dometic/Marine Air DDC 115/230 V board.
| Part number | ASY-405 (PCB-405) |
|---|---|
| Type | DDC chiller stage board |
| Voltage | 115 / 230 VAC |
| Role | Per-stage control under CWMC / MCC master |
| Cross reference | Dometic 290000201 / 4220002 (confirm before order) |
| Brand | Dometic / Micro-Air |
As marked / for identification only — confirm fitment before ordering.
It controls a single chiller stage in a modular marine chilled-water plant, holding loop-water setpoint and reporting to the CWMC/MCC master controller. Each stage in the plant has its own DDC board.
The ASY-405 / PCB-405 is the replacement for the Dometic/Marine Air DDC 115/230 V board. Confirm your existing part number and cross-reference with us before ordering.
Send us the part number or system details and we’ll reply fast with pricing and availability — with worldwide shipping from Dubai.
Talk to Royal Queen Marine — Dubai’s marine HVAC parts & service specialists. Worldwide shipping.
