HEAT PUMPS - AIR CONDITIONING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 12.122 H
Water chillers and
air-water heat pumps
35
CIATCooler LP
Location of the control and safety elements
Sight glass
Air coil
Flow switch or
differ. pressostat
Drain bleeder
Compr. 1
Compr. 2
Particle
separator
Liquid receiver
S2
S3
Plates
exchanger
Expansion
valve
No-return valve
LPT
S7A
S7B
S9
S25
S1
Outdoor
air
S8
S6
I
O
HPT
HP
* S7 in units with only one compressor
CONNECT2 control Location
Device Adjustment Circuit 1 Circuit 2
Outdoor temperature probe CONNECT2 S1
Inlet water exchanger probe CONNECT2 S2
Outlet water exchanger
probe
CONNECT2 S3 S10
Outdoor coil probe CONNECT2 S6a,b S13a,b
Compressor 1 discharge probe CONNECT2 S7A* S12A
Compressor 2 discharge probe CONNECT2 S7B* S12B
Exchanger anti-freeze refrigerant probe CONNECT2 S8 S14
Aspiration probe CONNECT2 S9 S15
Refrigerant liquid probe CONNECT2 S25 S26
High-pressure transducer CONNECT2 HPT HPT
Low-pressure transducer CONNECT2 LPT LPT
High-pressure pressostat 42 bar HP HP
Liquid receiver safety valve (heat pumps from 320V-STD and 200V-HEE) 45 bar Vs Vs
Safety valve in the hydraulic circuit (LPC models) 4 bar Vs