ERP01A51 - Air-conditioner DAIKIN - Free user manual and instructions
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USER MANUAL ERP01A51 DAIKIN
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Front view of an electronic device casing with labeled components (X5A, X11–X14) and mounting holes (no text or symbols beyond labels)Be sure to read this manual before installation and follow the instruction.
Accessories
Check if the following accessories are included:
| Name Adaptor PCB | Support | Clamp Installation manual | Wire harness | |
| Shape | ![]() | ![]() | ![]() | ![]() |
| Quantity | 1x 4x 3x 1x 1x | |||
Electric wiring
- Make sure wires to units do not pass over the PC board when wiring.
- Wire the adaptor to the indoor unit as described below.

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X5A X14 X12 X11 X13 X12 X40A Indoor unit PC boardReceiving the operation signal
Attaching an alarm

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Example: X11 X12 A: Alarm (field supply) AC 220~240V A: Alarm (field supply)Attaching a ventilation system

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Example: X13 X14 V: Ventilation system (field supply) AC 220~240V VWhen installing the external safety device (alarm, ventilation) as field supply, connect it via this relay PCB.
Caution
Regarding selection of alarm and ventilation, select its specification according to local regulations
- Only the operation ON signal is output from the indoor unit.
- When an abnormality occurs, the external safety device starts and continues to operate. Provide another means to stop the external safety device (no stop signal is provided from indoor unit).
- Relay PCB contact specifications: stable state current 1A (RMS), inrush current 3A (peak).
If installer needs to connect external device with electric current more than 1A, it is recommended to connect the device according to diagram below.

flowchart
graph TD
A["Relay PCB"] --> B["X1M"]
B --> C["Electromagnetic relay"]
C --> D["External device with current more than 1A"]
C --> E["AC 220-240V"]
style A fill:#f9f,stroke:#333
style B fill:#ccf,stroke:#333
style C fill:#cfc,stroke:#333
style D fill:#fcc,stroke:#333
style E fill:#cff,stroke:#333
Local setting
It is necessary to change settings in the remote controller.
| If you want to change increments to... | Then | ||
| M SW | - | ||
| Disenable | 15 (25) 15 | 01 (default setting) | |
| Enable 02 | |||
Installation
- Do not bundle low and high voltage wires together.
- Bundle any excess wires with the attached tie wraps to keep loose wirings off the indoor unit PC board.
Note: Installation box for adaptor PCB is required to install the adaptor. For installation details regarding attaching of the box to the unit refer to the installation manual provided with the installation box.

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Simple line drawing of a pen writing on a line (no text or symbols present)| 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | ||||||||||||||||
DAIKIN INDUSTRIES CZECH REPUBLIC s.r.o.
U Nové Hospody 1/1155, 301 00 Plzeň Skvrňany, Czech Republic



