Toshiba HWT-601XWHT6W-E - Wiring diagram

Hydro Unit
Installation Manual
– 26 –
• The pump is activated in 30 seconds. If air is not
released completely, the flow rate switch is activated
to stop operation. Release air again according to the
piping procedure. Little air entrainment is discharged
from the purge valve.
• Check that the hydraulic pressure has become the
predetermined pressure 0.1 to 0.2 MPa (1 to 2 bar).
If the hydraulic pressure is insufficient, replenish
water.
• Heating operation starts. Check that the Hydro Unit
starts heating.
• Press the [ ] button to select the Cooling
operation, in a few second, the operation starts.
• Check that the Hydro Unit starts cooling and that the
floor heating system is not cooled.
• Press the [ ] button to stop the operation.
• Press the [ ] button to start the Hot water supply
operation.
• Check that there is no air entrainment.
• Check that hot water is present at the connection
port of the hot water cylinder.
• Press the [ ] button or [ ON/OFF] button to
stop the operation.
■ Floor drying
• This function is available only for the header remote
controller.
• This function is used for drying concrete etc.
• Operation by second remote controller is limited
during floor drying.
• Operation may be restricted depending on the
setting of the central remote controller.
• Service personnel must operate the unit after setting
the related DN.
• Operation is not started unless All the related DN are
set.
• Refer to the following for the settings of the related
items. Please setup on the responsibility for an
installer. An unsuitable setup may cause a crack of
concrete etc.
• When the operation starts, the unit operates as
follows.
(1) Press the [ ] / [ ] button to select “Floor
dryingˮonthe“FIELDSETTINGMENUˮscreen,
then press the [ ] button for 4 seconds or longer.
FIELD SETTING MENU(1/2)
Test mode
Floor drying
Information input
Alarm history
Forced defrosting
SET
DN: 14 setting start and End temperature [20-55°C]
DN: 15 setting Max temperature [20-55°C]
DN: 16 continuation days for every step up to Max
temperature [1-7 days]
DN: 17 temperature difference for every step up to
Max temperature [1-10 K]
DN: 18 continuation days for every step down to
End temperature [1-7 days]
DN: 19 temperature difference for every step down
to End temperature [1-10 K]
DN: 1A Continuation days in Max temperature
[1-50 days]
setting temperature
DN:1A
DN:19
DN:17
DN:15
DN:14
Day
lapsed days
total days
DN:16
DN:18
(2) Press the [ ] / [ ]buttontoselect“DNˮor
“Dataˮ,thenpressthe[ ] / [ ] button to
set the value.
Floor drying
FIX
Code
(DN)
Data
(3) Press the [ ] button. The set value is registered.
To start the operation
(1) Press the [ ] / [ ] button to select “Floor
drying”onthe“FIELDSETTINGMENUˮscreen,
then press the [ ] button.
FIELD SETTING MENU(1/2)
Test mode
Floor drying
Information input
Alarm history
Forced defrosting
SET
(2) Press the [ ]buttontoselectthe“ONˮ,then
press the [ ] button.
Floor drying
ON
OFF
FIX
• Checkthetotaldaysfor“Floordryingˮoperation,
then press [ ] button. The mark and mark
appears on the Top screen.
(3) Start the heating operation on the top screen.
• Then“ZONE1ˮmarkblinksduring“Floordryingˮ
operation and lapsed days are displayed.
MON
ZONE1
HEAT/COOL HOT WATER
HOT WATER
• If some abnormalities occur during Floor drying
operation, the System stops and Alarm history
screen is displayed.
• After heating operation is stopped by operating the
remote controller during Floor drying operation, if
heating operation is again started within 30 minutes,
Floor drying operation is started from the time of
stopping.
■ Forced defrosting
• This function is available only for the header remote
controller.
• This function can active the forced defrosting mode
for the Outdoor Unit.
(1) Pressthe[ ] / [ ] button to select
“Forced defrosting” on the “FIELD SETTING
MENUˮscreen,thenpressthe[ ] button.
FIELD SETTING MENU(1/2)
Test mode
Floor drying
Information input
Alarm history
Forced defrosting
SET
(2) Press the [ ]buttontoselect“ONˮ,thenpress
the [ ] button.
Forced defrosting
ON
OFF
FIX
(3) Start the heating operation on the top screen.
51-EN
52-EN