Daikin EKMBPP1, Installation Manual

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5 Installation
Installation manual
14
EKMBPP1
Modbus adapter
4P720139-1B – 2023.09
DANGER: RISK OF ELECTROCUTION
When powered by the indoor unit or any other non-SELV
(Safety Extra Low Voltage) power supply, all external wiring
and electrically attached devices MUST be double insulated to
prevent access by non-qualified persons. When this is not
possible, the EKMBPP1 MUST be powered by a SELV power
supply.
5.4.1 Overview of electrical connections
Power supply
Connector X1A (screw terminal)
See the manual of the indoor unit
Only use harmonised wire providing double insulation
suitable for the applicable voltage (1 m wiring harness
included as accessory).
Wire size: 0.32~1.25 mm²
Maximum length: 10 m
Voltage: see "3.2 Basic parameters" [
4
8]
(a)
(a)
When not powering the kit from the unit, make sure the external power
supply adheres to the power supply specification.
Indoor unit (P1P2)
Connector X7M (screw terminal)
See the manual of the indoor unit
Only use harmonised wire providing double insulation
suitable for the applicable voltage.
Wire size: 0.75~1.25 mm²
Maximum length: 500 m
Voltage: 16 V DC — 120 mA
Modbus Interface (RS485)
Connector X2M (screw terminal)
See the installation manual of the Modbus interface