14 Technical data
Installer reference guide
75
EGSQH10S18AA9W
Daikin Altherma ground source heat pump
4P351748-1D – 2016.02
R3T (A1P)
Refrigerant liquid side thermistor
R3T (A9P)
Suction sensor
R4T (A1P)
Inlet water temperature sensor (entering
water condenser)
R4T (A9P)
2-phase sensor (Tx)
R5T (A1P)
Domestic hot water tank temperature sensor
R5T (A9P)
Brine entering water
R6T (A1P)
*
External indoor ambient thermistor
R6T (A9P)
Brine leaving water
R10T
Heat sink thermistor
R1H (A3P)
*
Humidity sensor
S1L
Brine flow switch
S1P
#
Water pressure switch brine side
S1PH
High pressure switch
S1S
#
Preferential kWh rate power supply contact
S2S
#
Electrical meter pulse input 1
S3S
#
Electrical meter pulse input 2
S6S~S9S
#
Digital power limitation inputs
SS1 (A4P)
*
Selector switch
TR1
Power supply transformer
V1R, V2R
Insulate gate bipolar transistor power
module
X*H
Backup heater connector
X*M
Terminal strip
X*Y
Connector
Z1C~Z6C
Noise filter (ferrit core)
Z1F~Z5F
Noise filter
* =
Optional
# =
Field supply
Notes to go through before starting the unit
English
Translation
X1M
Main terminal
X2M
Field wiring terminal for AC
X5M
Field wiring terminal for DC
Earth wiring
Field supply
15
Wire number 15
**
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Connection ** continues on page
12 column 2
1
Several wiring possibilities
Option
Not mounted in switch box
Wiring depending on model
PCB