Installation; Overview: Installation; Opening The Units; About Opening The Units - Daikin EBLQ05+07CAV3 Installer's Reference Manual

Item Description
21 Interconnection cable
between backup heater
kit and control box
(a) Minimum cable section 0.75 mm²; maximum length: 10 m.
Backup heater Power supply
EKMBUHCA3V3 1× 230 V
EKMBUHCA9W1 1× 230 V
3× 400 V
Option box
Item Description
Power supply
22 Power supply for option
box
Interconnection cable
23 Interconnection cable
between option box
and control box
Optional equipment
24 Remote indoor sensor
Field-supplied components
25 Electric meter
26 Power consumption
digital inputs
27 Alarm output
28 Space cooling/heating
ON/OFF output
29 Changeover to external
heat source
(a) Cable section 2.5 mm².
(b) Minimum cable section 0.75 mm².
NOTICE
▪ More technical
connections are indicated on the inside of the units
(outdoor unit, control box, option box and backup
heater).
▪ For how to connect the electrical wiring to the outdoor
unit (and if part of the system, the control box, option
box, and backup heater), refer to
electrical wiring" on
7

Installation

7.1

Overview: Installation

This chapter describes what you have to do and know on-site to
install the system.
Typical workflow
Installation typically consists of the following stages:
▪ Mounting the outdoor unit
▪ Mounting the control box (if applicable)
▪ Mounting the backup heater (if applicable)
EBLQ05+07CAV3 + EDLQ05+07CAV3 + EKCB07CAV3 +
EK2CB07CAV3 + EKMBUHCA3V3 + EKMBUHCA9W1
Daikin Altherma low temperature monobloc
4P405544-1 – 2015.03
Wires Maximum
running
current
(a)
6 (*3V)
7 (*9W)
Required number of
conductors
2+GND
2+GND+2 bridges
4+GND
Wires Maximum
running
current
(a)
2+GND
(b)
3 (max 3 m)
(b)
2
(b)
2 (per meter)
(b)
2 (per input
signal)
(b)
2
(b)
2
(b)
2
specifications of the different
"7.8 Connecting the
page 39.
▪ Connecting the water piping
▪ Connecting the electrical wiring
▪ Finishing the installation of the outdoor unit
▪ Finishing the installation of the control box (if applicable)
▪ Finishing the installation of the backup heater (if applicable)
7.2

Opening the units

7.2.1

About opening the units

At certain times, you have to open the unit. Example:
▪ When connecting the electrical wiring
▪ When maintaining or servicing the unit
DANGER: RISK OF ELECTROCUTION
Do NOT leave the unit unattended when the service cover
is removed.
7.2.2

To open the outdoor unit

DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING
1
2
8×
7.2.3 To open the switch box cover of the
outdoor unit
3×
7 Installation
Installer reference guide
31