Daikin CHYHBH08AFV32 [49/220] Preparation

Daikin CHYHBH08AFV32 [49/220] Preparation
6 | Preparation
Installer reference guide
49
CHYHBH05+08AF + EHYKOMB33A
Daikin Altherma R Hybrid
4P471761-1E – 2020.10
b Indoor unit
c Gas boiler
d Domestic hot water tank
Item Description Wires Maximum
running current
Outdoor unit and indoor unit power supply
1 Power supply for outdoor
unit
2+GND
(a)
2 Power supply and
interconnection cable to
indoor unit
3+GND
(g)
3 Power supply gas boiler 2+GND
(c)
User interface
4 User interface 2
(f)
Optional equipment
5 3‑way valve 3 100mA
(b)
6 Domestic hot water tank
thermistor
2
(d)
7 Room thermostat/heat
pump convector
3 or 4 100mA
(b)
8 Outdoor ambient
temperature sensor
2
(b)
9 Indoor ambient
temperature sensor
2
(b)
Field supplied components
10 Shut-off valve 2 100mA
(b)
11 Domestic hot water pump 2
(b)
12 Alarm output 2
(b)
13 Changeover to external heat
source control
2
(b)
14 Space heat operation
control
2
(b)
15 Safety thermostat 2
(e)
(a) Refer to name plate on outdoor unit.
(b) Minimum cable section 0.75mm².
(c) Use the cable supplied with the boiler.
(d) The thermistor and connection wire (12m) are delivered with the domestic hot
water tank.
(e) 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.
(f) Cable section 0.75mm² till 1.25mm²; maximum length: 500m. Applicable for both
single user interface and dual user interface connection.
(g) Cable section 1.5mm
2
; maximum length: 50m.
NOTICE
More technical specifications of the different connections are indicated on the inside
of the indoor unit.

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