Eliwell ECH 200BD "Adaptive" - Air-Water Heat Pump 1 Compressor

ECH 200 BD
64/76
16.5 Air-water heat pump 1 compressor
SYMBOL ELEMENT CONNECTION
COND condenser
EV evaporator
AFR a primary circuit anti-freeze resistance NO4
HPS a high pressure switch ID1
LPS a low pressure switch ID2
TS a fan thermal switch ID4
TS b compressor thermal switch ID3
TS
(*)
thermal switch
ST a secondary circuit probe AI3
ST b primary circuit inflowing water probe AI1
ST c primary circuit outflowing water probe AI2
FS a primary circuit flow switch ID5
COMP a compressor NO1
RV reversing valve NO3
WP a primary circuit water pump NO2
IW inflowing water
OCW outflowing cold water
(*)
Interposing this digital input to the pump feeding is recommended. In case of thermal alarm, the flow switch will stop
the machine.
EV
ST a
TS a
RV
COMP a
TS b
HPS a LPS a
TS
WP a
FS a
ST c
AFR a
COND
ST b
IW
OCW
TK
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