14 Technical data
Installer reference guide
74
EGSQH10S18AA9W
Daikin Altherma ground source heat pump
4P351748-1D – 2016.02
HAP
Z1F
Z2F
Z2C
N=2
Z4F
Z1C
N=1
Z5C
N=3
Z3F
V2R
V1R
Z3C
N=6
PS
ON
OFF
DS1
1 2 3
DS1
1 2
ON
OFF
HAP
H1P
H2P
H3P
H4P
H5P
H6P
H7P
BS1
BS2
BS3
BS4
N
L1
3N~, 50 Hz
400 V AC
L1
L2 L3
L2 L3 N
X1M
A9P
GRN/YEL
RED
WHT
BLK
BLU
B1PH
WHT
BLK RED
A10P
11 12
X5M
1
2
Z4C
N=2
Z6C
N=1
1
3
4
WHT
RED
BLK
RED
WHT
BLK
2 3
3
2
1
8
7
5
9
4
6
4 5 6
7
7
1
2
X7M
2
1
3 4
L1A
L2A
L3A
NA
F1U
F2U
L11A
L21A
L31A
L11B
L21B
L31B
L1R
L2R
L3R
X8A:1
7
5
3
F3U
F6U
X803A:1 3 5
E1 E
X4A:1 2 3 4 5
L12A
L22A
L32A
C2
C1
M1C MS
3~
V
U
W
R1
X103A:1 3
7
K84R
X104A:1 2 3
5
X11A:1 3
X12A:1 2 3
5 6
4
7 8
X13A:1 2
Q1DI
R2T
-t°
R3T
-t°
R4T
-t°
R5T
-t°
R6T
-t°
K1E
M
X21A:1 2 3 4 5 6
F4U
X32A:1
2
S1PH
P>
X111A:1
2
R10T
-t°
F5U
X28A:1
3
K4R
X18A:1 2 3 4
X17A:1 2 3 4
S1L
R1T
-t°
1
2
K5M
3
4
5
6
1
2
K2M
3
4
5
6
3
4
5
6
1
2
3
4
5
6
F1B
I
I
I
E2H E2H E2H
E1H E1H E1H
X7Y
L5R
1
5
K6M
X77A:1
3
1
2
K1M
Z5F
C3 C4
M3P
M
1~
4
5
X2H
X1H
X2H
S1L
X1Y
S1P P<
A1P.X19A.1 A1P.X19A.3 A1P.X19A.5
/
F1B.2
/
F1B.4
/
F1B.6
X1M.L1
X1M.L2
X1M.L3
4D081377-1A_page 6
Only for brine pressure switch connection kit
5 V DC / 0,05 mA
detection (voltage
supplied by PCB)
Switch box
Switch
box
outdoor ambient
sensor
Backup heater as 3 kW / 9 kW
Switch box
Switch box
Switch box
A1P
Main PCB (hydrobox)
A2P
User interface PCB
A3P
*
On/OFF thermostat
A3P
*
Heat pump convector
A4P
*
Digital I/O PCB
A4P
*
Receiver PCB (Wireless On/OFF
thermostat, PC=power circuit)
A8P
*
Demand PCB
A9P
Main PCB (refrigerant, brine)
A10P
Main PCB (inverter)
B1L
Flow sensor
B1PH
High pressure sensor
BS1~BS4
Push button
C1~C4
Capacitor
CN* (A4P)
*
Connector
DS1 (A8P)
*
DIP switch
DS1 (A9P)
DIP switch
DS1 (A10P)
DIP switch
E1H
Backup heater element (1 kW)
E2H
Backup heater element (2 kW)
F1B
Overcurrent fuse backup heater
F1U, F2U (A4P)
*
Fuse 5 A 250 V
F1U, F2U (A9P)
Fuse 35.5 A 500 V
F3U~F6U (A9P)
Fuse T, 6.3 A 250 V
FU1 (A1P)
Fuse T, 6.3 A 250 V
H1P~H7P
LED
HAP
LED
K1E
Electronic expansion valve
K1M, K2M
Contactor backup heater
K5M
Safety contactor backup heater
K6M
Relay
K*R
Relay on PCB
L1R~L3R
Reactor
L5R
Reactor transmission line
M1C
Motor (compressor)
M1P
Main water supply pump
M2P
#
Domestic hot water pump
M3P
Brine supply pump
M2S
#
Shut-off valve
M3S
3-way valve for floor heating/domestic hot
water
PS
Switching power supply
Q*DI
#
Earth leakage circuit breaker
Q1L
Thermal protector backup heater
R1
Resistor
R1T (A1P)
Outlet water heat temperature sensor
(leaving water condenser)
R1T (A2P)
Ambient sensor user interface
R1T (A3P)
*
Ambient sensor On/OFF thermostat
R1T (A9P)
Ambient air sensor
R2T (A1P)
After backup heater temperature sensor
R2T (A3P)
*
External sensor (floor or ambient)
R2T (A9P)
Discharge sensor
