Operating instructions
27
11.4.8 Legend .. 27CS
APPENDIX: 11.4 WIRING DIAGRAMS
A1 Wire jumper, must be removed upon installation of a utility company disable contactor
A2 Wire jumper, must be removed if 2nd disable input is used
B1 Pressostat power adaptation for hot water preparation
B3* Thermostat, hot water
B4* Thermostat, swimming pool water
E9* Electr. immersion heater, hot water
E10* Suppl. heating system
F2 Load fuse for N1 relay outputs across
J12 and J13 4,0 A slow-acting
F3 Load fuse for N1 relay outputs across J15 to J18 4.0 A slow-acting
F4 Pressostat high pressure
F5 Pressostat low pressure limiter with manual reset
F10 Flow control switch
F12 Thermal protector N7
F14 Electronic motor protection compressor 1
H5* Remote fault indicator lamp
J1...J18 Terminal connector at N1
K1 Contactor, compressor
K1.1 Contactor, breakaway starting current limiter of M1
K1.2 Time relay, delay K1
K5 Contactor for M1
K11* Electron. relay for H5
K12* Electron. relay for M19
K20* Contactor for E10
K21* Contactor for E9
K22* Utility company disable contactor
K23* SPR auxiliary relay
M1 Compressor
M11* Primary pump
M13* Heating circulating pump
M15* Circulating pump, heating circuit 2
M16* Auxiliary circulating pump
M18* Hot water circulating pump
M19* Swimming pool water circulating pump
M21* Mixer primary circuit
M22* Mixer heating circuit 2
N1 Heat pump controller
N7 Soft start board
N10* Remote control station
N11* Relay module
Q1 Power circuit-breaker, well pump
Q2 Power circuit-breaker, compressor
R1 External sensor
R2 Return sensor
R3* Hot water sensor (as an alternative to the hot water thermostat)
R5 Sensor for heating circuit 2
R6 Freeze protection sensor
R7 Coding resistor 10k
T1 Safety isolating transformer 230/24VAC-28VA
X1 Terminal strip mains control L/N/PE-230VAC-50Hz/fuses/N and PE terminal block
X2 Terminal strip 24VAC terminal block
X3 Terminal strip GND terminal block for sensors R1/-2 and -3 at J2
X4 Terminal strip GND terminal block for sensors R5 and -6 at J6
X5 Terminal strip power supply 3L/PE-400VAC-50Hz
Y4 Solenoid valve power adaptation for hot water preparation
Abbreviations:
EVS Utility company disable input
SPR Supplementary disable input
MA* Mixer OPEN - primary heating circuit
MZ Mixer CLOSED - primary heating circuit * Components to be supplied by the customer, or available as accessories










