Evs

APPENDIX: 12.4 WIRING DIAGRAMS

12.4.4 Legend

A1	Wire jumper across J5-ID3>X2 must be inserted if no utility company disable contactor is used
A2	Wire jumper, must be removed if 2nd disable input is used
A7	Wire jumper in SI 50/-70, in place of F18/F19
B2*	Pressostat low pressure, brine
B3*	Thermostat, hot water (as an alternative to hot water sensor)
B4*	Thermostat, swimming pool water
E9*	Electr. immersion heater, hot water
E10*	Suppl. heating system (boiler or electr. heating element)
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
H5*	Lamp, remote fault indicator
J1...J18	Terminal connector at N1
K1	Contactor, compressor 1
K3	Contactor, compressor 2
K11*	Electron. relay for remote fault indicator (relay module)
K12*	Electron. relay for swimming pool water circulating pump (relay module)
K20*	Contactor, suppl. heating system (boiler or electr. heating element)
K21*	Contactor, electr. immersion heater for hot water
K22*	Utility company disable contactor
K23*	SPR auxiliary contactor
M1	Compressor 1
M3	Compressor 2
M11*	Primary pump
M13*	Heating circulating pump
M15*	Heating circulating pump for heating circuit 2
M16*	Suppl. circulating pump
M18*	Hot water circulating pump
M19*	Swimming pool circulating pump
M21*	Mixer, principal circuit
M22*	Mixer, heating circuit 2
N1	Heat pump controller
N7	Starting current limiter, compr. 1
N8	Starting current limiter, compr. 2
N10*	Remote control station
N11*	Relay module
R1	External sensor
R2	Return sensor
R3*	Hot water sensor (as an alternative to hot water thermostat)
R5*	Sensor for heating circuit 2
R6	Freeze protection sensor
R7	Coding resistor 8k
R9	Flow sensor
T1	Safety isolating transformer 230/24 VAC-28VA
X1	Terminal strip mains control L/N/PE-230VAC-50Hz/fuses/N and PE-terminal block
X2	Terminal strip 24 VAC-terminal block
X3	Terminal strip GND terminal block for sensors R1/-2 and -3 at J2 and R5 and -6 at J6
X5	Terminal strip power supply 3L/PE-400VAC-50 Hz
Abbreviations:
EVS	Utility company disable input
SPR	Supplementary disable input
MA	Mixer OPEN
MZ	Mixer CLOSED

* Components to be supplied by the customer, available as accessories

SPR