Service, Display panel menu access, Service manual – Lochinvar KNIGHT 399 User Manual

Page 13

Service

Service Manual

Service

(continued)

Display panel menu access

Table 1B Use this procedure to access menus from the display panel

Press 1 time in normal operation

Hold for 5 seconds -- display will change

Press 9 times to change last digit
in readout to “9”

Press 2 times to move to the second
digit

Press 3 times to change second digit
in readout to “3”

Press 1 time to change to the first
digit

Press 5 times to change first digit
in readout to “5”

If you enter a digit incorrectly, you can move to the digit by using the NEXT and PREVIOUS buttons
as needed until the digit you want is flashing. Then use UP and/or DOWN buttons to change the value.

Press to enter the code

After 2 seconds, display shows menus
(press ENTER/RESET to select a menu)

If the code is entered incorrectly, the display will return to its previous mode. You will have to start over
at step 1 to enter the code.

Press 1 time to highlight second listing

Press 1 time to toggle menu listing

Press 2 times to toggle menu listing

ENTER/RES

MENU/EXIT

PREVIOUS

ENTER/RES

DOWN

To select a highlighted menu, press the ENTER/RESET button one time. The display will
change to the first parameter under that menu, with the first characters flashing.

BUTTON

OPERATION

DISPLAY

COMMENTS

Boiler turns off (this ensures
uninterrupted programming)

Digit shown underlined at left will
flash

The words, “INSTALLER CODE”
will flash while displayed

The caret symbol, “>” highlights
the selectable line

The menu toggles to the next two
menu options

BLR:OFF
OUT:127.3ºF

Enter Menu Code:

0000

flashing

Enter Menu Code:

0009

Enter Menu Code:

0009

Enter Menu Code:

0309

Enter Menu Code:

0309

Enter Menu Code:

5309

Enter Menu Code:

INSTALLER CODE

>A General
B Temp Settings

A General
>B Temp Settings

>C Data Logging
D Functions

>E DHW Settings
F Outdoor Reset

>G Anti-cycling
H Control Modes

>I Circulation Pumps
J Service Notification