Programming In Standby Mode; Setting Time & Date - Lochinvar TTW Series Installation, Commissioning And Maintenance Instructions

Floor standing gas fired condensing circulating type water heater
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16.7

PROGRAMMING IN STANDBY MODE

Standby
Programming the settings of the water heater is done at the control panel of the top burner, this is the left panel.
Use the standby mode for modifying water heater settings without interaction with the water heater control. Changes are confirmed by leaving
standby mode.
Properties of standby mode:
Keys are active and the menu is accessible.
Burner does NOT respond to an external heat demand.
All control functions are ON: pumps, fans and cascade are operational; recirculation and frost protection are active.
How to programme the water heater:
Disconnect or shut down the DHW thermostat and/or other external controllers from the water heater. The pump and fan will stop
after a short time.
Switch the water heater in standby mode by pressing [ON/OFF] for three seconds.
The next display screen should appear:
Display message
Programme the water heater at the control panel (see the following sections).
Terminate programming mode by pressing [MENU], or [ENTER] and NO ◄ or YES ►.
Reactivate the water heater by pressing [ON/OFF] for three seconds again.
16.8
SETTING TIME & DATE
The following graphs describe how to program time and date of the unit.
W A
T
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H
>
>
>
:
1
Operating screen:
W A T R H
T
R
>
> >
:
1
2
3
Press [MENU]
Main menu screen:
M a
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n
M
e
C
l
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k
The display shows "CLOCK" press [ENTER]
Setting Time and Date:
S
e
t
t
i
m e
3
0
/
0
3
/
2
The day is now blinking/selected and can be changed.
Use [▲] & [▼] to change the value.
Use [◄] & [►] to select another value.
Press [ENTER] for the confirmation screen after all changes are done.
Confirmation screen:
A
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y
o
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C a n
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Press [◄] to cancel the changes made (display goes back to operating screen).
Press [►] to confirm the changes made. The time and day will start blinking
for a few seconds. After this, the display returns to its operating screen.
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58

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