Hitecsa EWMIG 236 Manuel D'installation, D'utilisation Et D'entretien page 44

M VE VS
VSM
ST8
PU
C
VSTR
M VE VS
VSM
ST2
ST1
C
PU
PdC
RC100
DS
M
VS
VE
VSTR
VMS
VSAM
AP1
VR
VM
PU
KVDEV
R
NOTA BENE: for the unit to operate properly, activation of the DC/RC100 recovery pump must be controlled by means of a specific discrete output
provided in the board on the unit.
The minimum temperature of the water input to the recovery unit RC100 is equal to 20°C.
The minimum temperature of the water input to the recovery unit DS is equal to 40°C.
VSAM
ST/KTRD
AAT
VM
C
AP1
VDEV
Reversible heat pump unit
Recovery unit
Desuperheater
Manometer
safety valve
Expansion vessel
Recovery heat drain valve
Manual air bleed valve
Automatic/manual air bleed valve
Unit board
Check Valve
3-way mixing valve
Circulation pump
3-way diverter valve
Cock
PU
R
SI
PUR VE
R
AU
IS
AU
I
I
PUR Recirculation loop circulation pump
FC Fan coil/utility
UT For use
RI From the water mains
ST Temperature probe
SI Intermediate heat exchanger
ST8 RC100/DS inlet temperature probe
AAT Technical water storage tank
C Water drain/charge cock
ST Temperature probe
KTRD Thermostat with display (accessory)
FA Water filter
ST1 Main heat exchanger inlet temperature
probe
ST2 Main heat exchanger outlet temperature
probe
46
OUT
IS
VS
FA VR
IN
RI
DHW indication (tap,
shower, sink)
Other utilities
System
SECTION I: USER