Toshiba HWT-601XWHT6W-E - Page 33

Hydro Unit
Installation Manual
– 32 –
Location & DN
Number
DN Description Hydro RC
Range
HWT-60
(HWT-
110,140)
Default
HWT-60
(HWT-
110,140)
After Com-
missioning
Change
1
Change
2
31 Floor drying
Setting Start and End
temperature (°C)
– 14 20~55 0
Setting Max temperature (°C) – 15 20~55 0
Continuation days for every
step up to Max temperature
(days)
– 16 1~7 0
Temperature difference
for every step up to Max
temperature (K)
– 17 1~10 0
Continuation days for every
step down to End temperature
(days)
– 18 1~7 0
Temperature difference for
every step down to End
temperature (K)
– 19 1~10 0
Continuation days in Max
temperature (days)
– 1A 1~50 0
32 Group control
1 = TTW value transmitted
from the Master Unit
0 = TTW value of each
Hydro Unit
AB – 0~1 0
33 SG Ready
Set point temperature increase
during System Forced ON
period (K)
AC – 0~10 0
34
0-10
interface (option)
Refer to page 19
680 – 0~4 0
681 – 0~3 0
682 – 0~3 0
683 – 0~3 0
684 – 0~3 0
685 – 40~80 65
686 – 20~55 (65) 55
687 – 20~55 (65) 55
688 – 7~25 20
689 – 1~5 5
68A – 1~5 3
68B – 1~5 3
68C – 1~5 1
35
Hydro Unit
Outputs
Refer to page 16
6CA – 0~9 0
6CB – 0~9 1
6CC – 0~9 2
6CD – 0~9 3
36
Cooling Zone2
set temperature
Shift value from Zone1
set temperature (K)
When lowering the temperature
shift value of cooling zone 2,
make sure that there is no
condensation.
6FD - 0~23 (K) 10
■ Settings by purpose
Settings when hot water supply function is
not used
• When the hot water supply function is not used, set
DN“6B8ˮofHydroUnitto“1ˮ.(Refertopage21.)
Setting for cooling
• For Hydro Units that do not perform cooling (those
for floor heating, etc.), procure a motorized 2-way
valve (for cooling) (refer to “Control parts
specifications” on page 13 for the details.) locally
and attach it to the water pipe that is not used for
cooling. Connect the valve cables to terminals
CN23 (3) and (4) of the Hydro Unit.
• Stick the optional insulator for cooling to the bottom
and side of the Hydro Unit.
Settings for hot water supply
• Prepare the optional hot water cylinder.
• Procure a motorized 3-way valve (refer to “Control
parts specifications” on page 13 for the details.)
locally and perform piping. Connect the valve cables
to terminals CN23 (8), (9) and (10) of the Hydro Unit.
• SetDN“6B8ˮofHydroUnitto“0ˮ.(Refertopage21.)
• Connect the power supply unit for the hot water
cylinder heater to terminals TB03 L and N of the
Hydro Unit.
• Connect cables between the Hydro Unit and the hot
water cylinder as follows: Hydro Unit terminals
TB02 (1), (2), and earth — Hot water cylinder (1), (2),
and earth
CN20 (1), (2), and earth — Hot water cylinder A, B,
and earth
Settings for 2-zone temperature control
• Procure a motorized mixing valve (refer to “Control
parts specifications” on page 13 for the details.)
locally and perform piping. Connect the valve cables
to terminals CN22 (7), (8), (9) and (10) of the Hydro
Unit.
• Procure a buffer tank locally.
• Procure a water pump locally, and connect its cables
to terminals CN23 (1) and (2) of the Hydro Unit.
To inhibit interlocking the water pump with the
internalpumpoftheHydroUnit,setDN“6B5ˮof
HydroUnitto“0ˮ.
• SetDN“6BAˮofHydroUnitto“1ˮ.(Referto
page 21.)
Attach the temperature sensor (TFI) connected to
terminals CN20 (3) and (4) of the Hydro Unit near
the hot water inlet of the Hydro Unit.
• Fix TFI sensor on the room heating supply pipe by
using the connector procured in locally.
• Cover the cables with insulation tube (minimum
1 mm) or conduit so that the user cannot touch them
directly.
• Cover the TFI sensor›s cables and sensor with insulation tube (minimum 1 mm) shown in the diagram on the
right.
Insulator
63-EN
64-EN