Indoor Unit; Outdoor Unit Switch Box; Indoor Unit Switch Box; Main Components Of The Outdoor Unit Switch Box And Indoor Unit Switch Box - Daikin Altherma EKCBH-BAV3 Installation Manual

Indoor unit

1 2
3
1 Indoor unit
2 User interface mounted on the indoor front panel
3 Field wiring intake
1. The user interface must be mounted on the EKCB front panel
and allows the installer and user to set up, use and maintain the
unit.
2. Field wiring intake is foreseen to allow mounting and connecting
the field wiring to the terminals inside the EKCB.
5.3. Main components of the outdoor unit switch box
and indoor unit switch box

Outdoor unit switch box

2
1
1
Terminal blocks
1
The terminal blocks allow easy connection of field
wiring.
Thermistor interconnection cable connector
2
The electric wiring diagram can be found on the inside of
the outdoor unit top panel.
EBHQ006+008BAV3 + EKCBX/H008BAV3
Unit for air to water heat pump system
4PW64602-1A – 09.2010

Indoor unit switch box

1 2
3
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. X13A socket
11. X9A socket
12. Fuse FU2 (in line fuse)
13. Transformer TR1
14. A4P
4 1
F1B
K3M
5
X3M
7
X4M
7
8
2
X14M
6 6 2
Main PCB
The main PCB (Printed Circuit Board) controls the functioning of
the unit.
Terminal blocks X2M, X14M, X15M
The terminal blocks allow easy connection of field wiring.
Thermistor interconnection cable connector
Booster heater contactor K3M (only for installations with a
domestic hot water tank installed)
Booster heater circuit breaker F1B (only for installations with a
domestic hot water tank installed)
The circuit breaker protects the booster heater in the domestic
hot water tank against overload or short circuit.
Cable tie mountings
The cable tie mountings allow to fix the field wiring with cable
ties to the switch box to ensure strain relief.
Terminal blocks X3M, X4M (only for installations with a domestic
hot water tank installed)
PCB fuse FU1
DIP switch SS2
The DIP switch SS2 provides 4 toggle switches to configure
certain installation parameters. See "13.1. DIP switch settings
overview" on page 28.
The X13A socket receives the K3M connector (only for
installations with a domestic hot water tank installed).
The X9A socket receives the thermistor connector (only for
installations with a domestic hot water tank installed).
Digital I/O PCB (only for installations with a solar kit or a digital
I/O PCB kit installed).
The electric wiring diagram can be found on the inside of
the indoor unit front panel
14 13 9 10 11
A4P
TR1
SS2
X9A
X13A
FU1
FU2
X2M
6 6 12 6 2 6
Installation manual
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