4.HYDRO UNIT
Engineering Data book
17
4-3. Piping Diagram
Water system diagram
M
M
Fan coil unit
Radiator unit
Floor
heating
By-pass valve
(locally procured)
By-pass valve
(locally procured)
Moterized mixing valve
(locally procured)
AC230V
Buffer tank
(locally procured)
AC pump
(locally procured)
AC pump
Strainer
(locally procured)
40 mesh
Motorized 3-way valve
(locally procured)
AC230V
Booster heater
(locally procured)
2-way valve for
cooling mode
(locally procured)
AC230V
Boiler
(locally
procured)
Drain cock for water charge
(locally procured)
Cylinder heater
Ø1
:
2.75kW
Relief valve (UK)
90 °C
W
ater outlet
W
ater inlet
W
ater heat exchanger
Reducing valve
Pressure relief
Backup heater
Ø1
:
3kW
Ø3
:
6kW
Ø3
:
9kW
Flow sw
set
:
13 /min
Thermal cut-out
(manual reset)
82+3-2
°C
Thermal protector
(auto)
set : 75±3
°C
Thermal protector
single operation
set : 95±5
°C
Pressure sensor
Pressure sw
4.15MPa
Expansion vessel
set : 1bar
Pressure relief valve
set : 3bar
Menometer
gage : ~6bar
10bar
Air vent valve
Outdoor unit
8,1
1,14kw
zone1
zone2
TFI
TTW
TC
TWO
THO
TWI
Hot water cylinder
Local hot water system
set
:
17.5 /min
W
ater vent valve
Summary of Contents for ESTIA HWS-1102H-E
Page 3: ...2 1 INTRODUCTION ...
Page 7: ...6 2 SYSTEM OVERVIEW ...
Page 10: ...9 3 SYSTEM SPECIFICATION ...
Page 12: ...11 4 HYDRO UNIT ...
Page 44: ...43 5 OUTDOOR UNIT ...
Page 57: ...56 6 HOT WATER CYLINDER ...
Page 63: ...62 7 HYDRO UNIT INSTALLATION MANUAL ...
Page 107: ...105 8 OUTDOOR UNIT INSTALLATION MANUAL ...
Page 131: ...129 9 OWNER S MANUAL ...
Page 146: ...Air to Water Heat Pump Engineering Data Book Aug 2009 ...