Toshiba HWT-602S21SM3W-E(TR) Service Manual page 28

Installation example of water circuit
(1)
Shower Bath Kitchen
Outdoor unit
Hydro unit
(3)
Shower Bath Kitchen
Outdoor unit Hydro unit
(5)
Conventional boiler
Shower Bath Kitchen
Outdoor unit
Hydro unit
The water flowing for a system without buffer tank ((1), (2), (4)) requires 18L/min(1402S21), 14L/min (1102S21),
11L/min (602S21), or more. This water flowing requires 5 or more branches of Floor heating or Radiator etc.
Less than 5 branches may cause a flow deficiency. In this case, please provide a buffer tank and secondary
pumps as shown in (3), (5).
Please check how to install the boiler. (See page **)
Outdoor unit
Floor heating
1 zone
Conventional boiler
Panel radiator
Buffer
tank
1 zone
Panel radiator
Floor heating
2 zones
Hydro unit
(2)
Shower Bath Kitchen
Outdoor unit Hydro unit
(4)
Kitchen
Shower Bath
Outdoor unit
Hydro unit
27
HEATING ONLY
HEATING ONLY
2-way valve
Panel radiator
Fan coil
Heating
Cooling
1 zone
Panel radiator
1 zone