Toshiba HWS-802XWHM3-E - Piping Diagram

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
Water outlet
Water inlet
Water 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
8,11,14kw
zone1 zone2
TFI
TTW
TC
TWO
THO
TWI
Hot water cylinder
Local hot water system
set
:
17.5 /min
Water vent valve