Daikin EWYA004D2V3P Installer's Reference Manual page 216

17 | Technical data
Installer reference guide
216
English
1
Legend
A1P
A2P
A3P
A4P
A8P
A11P
A13P
A14P
A15P
CN* (A4P)
DS1 (A8P)
E*P (A9P)
F1B
F2B
F1U, F2U (A4P)
K1A, K2A
K1M
K3M
K*R (A4P)
M2P
M2S
M3S
M4S
PC (A15P)
PHC1 (A4P)
Q2L
Q4L
Q*DI
Translation
Several wiring possibilities
Option
Wiring depending on model
Switch box
PCB
(4) Legend
*: Optional; #: Field supply
Main PCB
* ON/OFF thermostat (PC=power circuit)
* Heat pump convector
* Digital I/O PCB
* Demand PCB
MMI (= standalone user interface
delivered as accessory) – Main PCB
* LAN adapter
* User interface PCB
* Receiver PCB (wireless ON/OFF
thermostat)
* Connector
* DIP switch
Indication LED
# Overcurrent fuse backup heater
Overcurrent fuse booster heater
* Fuse 5 A 250 V for digital I/O PCB
* High voltage Smart Grid relay
Contactor backup heater
* Contactor booster heater
Relay on PCB
# Domestic hot water pump
# 2-way valve for cooling mode
* 3-way valve for floorheating / domestic
hot water
* Valve kit
* Power circuit
* Optocoupler input circuit
* Thermal protector booster heater
# Safety thermostat
# Earth leakage circuit breaker
EWAA004~008D + EWYA004~008D
and packaged air to water heat pumps
Packaged air-cooled water chillers
4P688013-1B – 2022.09