INSTALLATION
Specication
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A1 WPMiw heat pump manager
B1 Temperature sensor heat pump flow
B2 Temperature sensor heat pump return
B3 Temperature sensor heat source
B5 Hot gas temperature sensor
E1 Emergency heater (DHC)
F1 Low pressure switch
F2 High pressure switch
F5 High limit safety cut-out for DHC
K2 Compressor start contactor
K4 Contactor – brine pump
K5 Emergency heater relay
K6 Emergency heater relay
K9 Contactor relay stuck
M1 Compressor motor
M2 Pump motor
M3 Motorised diverter valve
P1 High pressure transducer
X1 Terminals
X2 LV terminal
X3 Power supply
X4 Control terminals
X11 Plug temperature sensor WPMiw
X12 Plug WQ temperature WPMiw
X13 Plug mixer circuit temp. WPMiw
X14 Plug remote control WPMiw
X15 BUS plug WPMi
X20 Plug pumps and power-OFF WPMiw
X21 Plug mixer control WPMiw
X22 Plug external pump WPMiw
X23 Power supply earth block
X24 Earth block control
X25 N block control
X26 Earth block LV
X27 Earth plug-in block
X28 2-pin socket terminal strip
X31 Emergency heater terminal
X32 Front cover terminal.
X73 Connectors in cable channel
Z1 Compressor capacitor, run