10 Aermec cod. 5806715_00 12.01
NRP 0200-0750
EN
HPT
HPS
LS
VIC
LPT
IDL
CP
CN
CV CV
CV
CV
CV
TEV
F
AL
VIC
TEV
HPT
HPS
LS
VIC
LPT
IDL
CP
CN
CV
CV
CV
CV
CV
TEV
F
AL
VIC
TEV
HPT
HPS
LS
LPT
IDL
CP
CN
CV CV
CV
CV
CV
TEV
F
AL
VIC
TEV
HPT
HPS
LS
VIC
LPT
IDL
CP
CN
CV
CV
CV
CV
CV
TEV
F
AL
VIC
TEV
3.5. CIRCUIT FOR PRODUCING HOT WATER TO SYSTEM | CIRCUIT FOR PRODUCING HOT WATER TO DHW
4. BASIC OPERATING LAYOUTS FOR 4PIPE SYSTEM
4.1. COLD WATER PRODUCTION ONLY TO SYSTEM
2PIPE SYSTEM2PIPE SYSTEM 4PIPE SYSTEM4PIPE SYSTEM
Description Functioning
1
System side
HEAT EXCHANGER
(CONDENSATION)
Hot water production
3
Source side
HEAT EXCHANGER
(EVAPORATION)
Heat exchange with air
H
2
O SYSTEM
RETURN
H
2
O SYSTEM
RETURN
H
2
O SYSTEM FLOW
H
2
O SYSTEM FLOW
1
1
3
3 3
3
Description Functioning
2
DHW side
HEAT EXCHANGER
(CONDENSATION)
DHW production
3
Source side
HEAT EXCHANGER
(EVAPORATION)
Heat exchange with air
H
2
O DHW
RETURN
H
2
O DHW
FLOW
2
2
Description Functioning
1
System side
HEAT EXCHANGER
(EVAPORATION)
Cold water production
2
DHW side
HEAT EXCHANGER
Not running
3
Source side
HEAT EXCHANGER
(CONDENSATION)
Heat exchange with air
Key
1 System side heat exchanger
2 DHW side heat exchanger
3 Source side heat exchanger
AL Liquid storage tank
CV One-way valve
F Dehydrator filter
IDL Liquid indicator
HPT High pressure transducer
HPS High pressure pressure switch
LPT Low pressure transducer
LS Liquid separator
TEV Thermostatic valves
VIC Cycle reversing valve