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7 Installation
Installer reference guide
28
EBLQ+EDLQ011~0W1 + EK(2)CB07CAV3
Daikin Altherma low temperature monobloc
4P538847-1 – 2018.05
Item
Description
Wires
Maximum
running
current
14
Preferential kWh rate
power supply (voltage-
free contact)
2
(f)
15
Domestic hot water
pump
2
(d)
16
Space heating/cooling
operation control (or
shut‑off valve)
2
17
3‑way valve
3
(g)
18
Power supply for
booster heater and
thermal protection
(from control box)
4+GND
(a)
19
Power supply for
booster heater (to
control box)
2+GND
13 A
20
Domestic hot water
tank thermistor
2
(f)
21
Room thermostat/heat
pump convector
3 or 4
100 mA
(g)
(a)
Cable section 2.5 mm².
(b)
Cable section 0.75 mm² till 1.25 mm²; maximum length:
20 m.
(c)
Cable section 0.75 mm² till 1.25 mm²; maximum length:
500 m. Applicable for both single user interface and dual
user interface connection.
(d)
Minimum cable section 0.75 mm².
(e)
Cable section 1.5 mm.
(f)
Cable section 0.75 mm² till 1.25 mm²; maximum length:
50 m. Voltage-free contact shall ensure the minimum
applicable load of 15 V DC, 10 mA.
(g)
The thermistor and connection wire (12 m) are delivered
with the domestic hot water tank.
(h)
Cable section 0.75 mm².
Option box
Item
Description
Wires
Maximum
running
current
Power supply
22
Power supply for option
box
2+GND
(a)
Interconnection cable
23
Interconnection cable
between option box
and control box
3 (max 3 m)
(b)
Optional equipment
24
Remote indoor sensor
2
(b)
Field-supplied components
25
Electric meter
2 (per meter)
(b)
26
Alarm output
2
(b)
27
Space cooling/heating
ON/OFF output
2
(b)
28
Changeover to external
heat source
2
(b)
(a)
Cable section 2.5 mm².
(b)
Minimum cable section 0.75 mm².
NOTICE
▪ More
technical
specifications
of
the
different
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
"7.7 Connecting the
electrical wiring" on page 34
.
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:
1
Mounting the outdoor unit
2
Mounting the control box (if applicable)
3
Mounting the option box (if applicable)
4
Connecting the water piping
5
Connecting the electrical wiring
6
Finishing the installation of the outdoor unit
7
Finishing the installation of the control box (if applicable)
8
Finishing the installation of the option box (if applicable)
9
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