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

22

Page 22
Image 22
Dimplex SI 50ZS, SI 75ZS, SI 100ZS manual Evs