Toshiba HWT-1101F21MM3W-E Installation Manual Download Page 26

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Hydro Unit

Installation Manual

• 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 0.05 MPa (0.5 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

drying

on the “FIELD SETTING MENU” screen,

then press the [

] button for 4 seconds or longer.

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]

(2) Press the [

] / [

] button to select “DN” or

“Data”, then press the [

] / [

] button to

set the value.

(3)Press the [

] button. The set value is registered.

Test mode

FIELD SETTING MENU(1/2)

Floor drying

Forced defrosting

Information input

Alarm history

SET

DN:15

DN:14

DN:16

DN:17

DN:1A

DN:19

DN:18

Day

lapsed days

setting temperature

total days

Floor drying

(DN)

Data

FIX

Code

To start the operation

(1) Press the [

] / [

] button to select “Floor

drying” on the “FIELD SETTING MENU” screen,
then press the [

] button.

(2) Press the [

] button to select the “ON”, then

press the [

] button.

• Check the total days for “Floor drying” operation,

then press [

] button. The

mark and

mark

appears on the Top screen.

(3) Start the heating operation on the top screen.
• Then “ZONE1” mark blinks during “Floor drying”

operation and lapsed days are displayed.

• 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
MENU” screen, then press the [

] button.

(2) Press the [