Piping Diagram: Indoor Unit; Wiring Diagram: Indoor Unit - Daikin CHYHBH05AA Installer's Reference Manual

15.1

Piping diagram: Indoor unit

A
13
14
15
11
1
3
2
3
A Water side
B Refrigerant side
1 Space heating water IN
2 Space heating water OUT
3 Shut‑off valve with drain/fill valve
4 Expansion vessel
5 Filter
6 Pump
7 Plate heat exchanger
8 Air purge
9 Flow sensor
10 3‑way valve
11 Safety valve
12 Gas boiler
13 Domestic hot water: hot water OUT
14 Gas pipe
15 Domestic hot water: hot water IN
16 R1T – Plate heat exchanger outlet water thermistor
17 R2T – Outlet water thermistor
18 R3T – Heat exchanger liquid pipe thermistor
19 R4T – Inlet water thermistor
20 Screw connection
Screw connection
Quick coupling
Brazed connection
Flare connection
15.2

Wiring diagram: Indoor unit

See the internal wiring diagram supplied with the unit (on the inside of the indoor unit switch box cover). The abbreviations used are listed
below.
Notes to go through before starting the unit
English
Notes to go through before
starting the unit
CHYHBH05+08AA + EHYKOMB33A
Daikin hybrid for multi heat pump – heat pump module
4P471761-1A – 2017.10
12
9
17
10
20
4
6
5
Translation
Notes to go through before
starting the unit
B
8
16
7
18
19
English
X1M
X2M
X5M
15 Technical data
3D082238-1B
Translation
Indoor/outdoor communication
Field wiring terminal for AC
Field wiring terminal for DC
Installer reference guide
85