21
EN-115B_f.1420
TI
TI
NW co
ZA EA
NW cwu
ZB
ZN
TO
HPMO2
TR
ZW
PI
HPMI2
KO
PHWC
CWU
SWPC
SVK
TCYL
HP.HS.24
SZ
T
T
T
T
M
TI
OG
OP
THC1
THC2
PIU
PHC2
VMHC2
PHC1
FC
Example of an installation diagram of a heat pump system with a panel heating circuit, a radiator circuit, a heating buffer, a tap
water tank and a cooling circuit with a fan coil
HPMO2 - heat pump
HPMI2 - hydraulic module
KO - vent connection
SZ - solids separator
TO - outdoor temperature sensor
PHWC - circulating tap water pump
PGC - glycol cycle pump
PHC1 - CH1 circulation pump (without mixer)
PHC2 - CH2 circulation pump (with mixer)
PIU - circulation pump in the indoor unit
OG - radiator heating
TR - room temperature sensor
OP - panel heating
THC1 - - medium temperature sensor in radiator
heating circuit
THC2 - medium temperature sensor in panel
heating circuit
VMHC2 - mixing valve for CH2 circuit
SWVPC - tap water exchanger with central heating buffer
SVK - heating/cooling water buffer tank
TCYL - storage tank temperature sensor (WE-019/01)
PHWC - circulating tap water pump
HP.HS.24 - moisture switch
CWU - hot tap water
ZW - cold water inlet
ZA EA - anti-siphon valve
ZB - safety valve
NWcwu - hot tap water diaphragm expansion vessel
NWco - central heating expansion vessel
ZN - relief Valle
TCB - buffer temperature sensor (optional for cooling with
fan coil)
FC - fan coil
Summary of Contents for HPMI2 - 12
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