System Overview Of Field Wiring - Daikin Altherma EDHQ011BB6V3 Installation Manual

9.3. System overview of field wiring
WARNING
Switch off the power supply before making any
connections.
All field wiring and components must be installed by a
licensed electrician and must comply with the
applicable legislation.
The illustration below gives an overview of the required field wiring
between several parts of the installation. Refer also to
application examples" on page
B C D
3
1 2
A 11 10
A Single power supply for unit, backup heater and booster
heater
B Unit
C Bottom plate heater EKBPHT
D Backup heater
E User interface (digital controller)
F Room thermostat (field supply, optional)
G 3-way valve for domestic hot water tank (field supply,
optional)
H 2-way valve for cooling mode (field supply, optional)
I Domestic hot water tank (optional)
J Booster heater
K Power supply (normal kWh rate power supply: only in case
of benefit kWh rate power supply installation)
(1) Bottom plate heater is only applicable in combination with E(D/B)LQ or in
case of optional EKBPHT kit.
(2) For tank without electrical booster heater (EKHTS), the backup heater will
be used in domestic water heating mode.
(3) Only applicable for tank with built-in electrical booster heater (EKHW*).
Installation manual
23
"3.4. Typical
4.
E
UI
5
F
T
4 6
G
M
7
H
M
I
8 J
12
9
K
(1)
(2)
(3)
Item Description
1 Power supply cable for unit
2 Power supply cable for backup
heater
3 Power cable for bottom plate
heater
4 Room thermostat cable
5 User interface cable
6 3-way valve control cable
7 2-way valve control cable
8 Booster heater power supply
and thermal protection cable
9 Thermistor cable
10 Booster heater power supply
(f)
cable
11 Benefit kWh rate power supply
cable (voltage free contact)
12 Normal kWh rate power supply
(a) Refer to nameplate on the unit.
(b) See table under "Connection of the backup heater power supply" on page
(c) Minimum cable section 1.5 mm
(d) Minimum cable section 0.75 mm
(e) Cable section 0.75 till 1.25 mm
(f) Only applicable for tank with built-in electrical booster heater (EKHW*).
(g) The thermistor and connection wire (12 m) are delivered with the domestic hot
water tank.
(h) Cable section 0.75 till 1.25 mm
shall ensure the minimum applicable load of 15 V DC, 10 mA.
2
(i) Cable section 2.5 mm
2
1
3
1 Protection cap
2 Entry for cables
3 Entry for low voltage cables (<30 V)
CAUTION
Select all cables and wire sizes in accordance with the
applicable legislation.
WARNING
After finishing the electric work, confirm that each electric
part and terminal inside the electric parts box is connected
securely.
Required Maximum
AC/ number of running
DC conductors current
AC 2+GND
AC 2+GND
AC 2
AC 3 or 4 100 mA
DC 2 100 mA
AC 2+GND 100 mA
AC 2+GND 100 mA
AC 4+GND
(f)
DC 2
AC 2+GND
DC 2 100 mA
AC 2+GND
2
2
2
, maximum length: 500 m.
2
, maximum length: 500 m. Voltage free contact
E(D/B)(H/L)Q011~016BB
Unit for air to water heat pump system
4PW67904-1 – 01.2011
(a)
(b)
(c)
(d)
(e)
(d)
(d)
(b)
(g)
13 A
(h)
(i)
24.