Operating instructions

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11.4.4 Legend .. 9CS TO .. 22CS
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
B3* Thermostat, hot water
B4* Thermostat, swimming pool water
E9* Electr. immersion heater, hot water
E10* Suppl. heat source (boiler or electr. heating element
F2 Load fuse for N1 relay outputs across J12 at 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 (from ..22CS, F5 is a limiter with manual reset)
F10 Flow control switch
F15 Overload relay for M11 / the overload relay is designed for the pump included in the brine kit
H5* Fault indicator lamp
J1...J18 Terminal connector at N1
K1 Contactor, compressor
K5 Contactor, primary pump
K11* Electron. relay remote fault indicator (on relay module)
K12* Electron. relay, swimming pool water circulating pump (on relay module)
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* Heating circulating pump
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 control (not in WI 9CS units)
N10* Remote control station
N11* Relay module
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
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