ECH 200 BD
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16.2 Air-water chiller 2 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 1 thermal switch ID3
TS c compressor 2 thermal switch AI4
(*)
ST a secondary circuit anti-freeze 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 1 NO1
COMP b Compressor 2 NO3
WP a primary circuit water pump NO2
OCW outflowing cold water
IW inflowing water
(*)
With AI4 configured as digital input.
WP a
AFR a
FS a
ST c
EV
ST a
TS a
COMP a
TS b
LPS aHPS a
COND
IW
OCW
ST b
COMP b
TS c
TK