dooch N747D - Page 18

18 BOOSTER PUMP SYSTEM
BOOSTER PUMP SYSTEM N747D
※ Set value is not changed until input key is pressed.
※ When setting pressure of user setting [1] is changed, setting pressure of the high
pressure alarm settings is automatically set as +2kgf/cm².
- Setting of low pressure alarm : ＯＯ.ＯＯkgf/cm² ＯＯＯseconds .
When water pressure sustains at lower than specified pressure (ＯＯ.ＯＯ) for more
than ＯＯＯ seconds, alarm is to be given.
Change of lower pressure alarm setting
(Example: in case of to change 00.00 kgf/cm² 005seconds to 00.20 kgf/cm² 005seconds)
1. Using
Key, select .
2. Initially the first ‘0’ of the ’ 00.00 kgf/cm² 005 seconds’ blinks.
3. Using
Key, enter in the order of 0, 0, 2, 0, 0, 0 and 5 .
In case no change is required or wrong input, moving to desired position is available by
using Key.
4. After changing to required value, make sure to press
Key.
※ Set value is not changed until input key is pressed.
- Setting of scheduled operation : Available to select among No use / Monthly
operation / Weekly operation / Operation by time frame. Initial setting is ‘No use’, and
operation method can be selected with 0~3 number keys. Each number stands for;
0 : No use 1 : Monthly operation 2 : Weekly operation 3: operation by time frame
Change setting of scheduled operation.
(Example: To change “scheduled operation : no use” to “ scheduled operation : operation
by time frame”)
1. Using
Key, select .
2. “No use” blinks.
3. Enter “3” among
Keys.
(0 : No use 1 : Monthly operation 2 : Weekly operation 3: operation by time
frame )
4. After changing to required value, make sure to press
Key.
※ Set value is not changed until input key is pressed.
5. To use scheduled operation, the settings shall be changed in “ user operation [3].
Refer to the changes in “user operation [3]” for detail information.
- Change of user password : N747D is designed to set password in order to prevent
others from tampering settings without authorization. Initial password is set as 0000.
Change of user password
(Example: To change “use password : 0000” to “ ser password : 1234”)
1. Using
Key, select .
2. User password : Initially the first ‘0’ of the ’0000’ blinks.
3. Using
Key, enter 1, 2, 3, 4.
4. After changing to required value, make sure to press
Key.
※ Set value is not changed until input key is pressed.