Changing Adjustable Parameters; Entering Adjust Mode; Adjusting Parameters - Burnham Apex APX399 Installation, Operating And Service Instructions

X. Operation
G. Changing Adjustable Parameters (continued)
G.

Changing Adjustable Parameters

1. Entering Adjust Mode

The Control is factory programmed
to include basic modulating boiler
functionality. These settings are password
protected to discourage unauthorized or
accidental changes to settings. User login is
required to view or adjust these settings:
- Press the "Adjust" button on the "Home"
screen.
- Press the "Adjust" button on the Adjust
Mode screen or Press Contractor for
service provider contact information.
- Press "Login" button to access password
screen.
- Press 5-digit display to open a keypad.
Enter the password (Installer Password
is 76) and press the return arrow to close
the keypad. Press the "Save" button.
- Press the "Adjust" button to enter
Adjustment mode.

2. Adjusting Parameters

Editing parameters is accomplished as follows:
Accept Value
Press the button to confirm
newly edited value.
The value modified with the
increase and decrease buttons is
not accepted unless this button is
also pressed
90
For Service Contact:
CONTRACTOR NAME
ADDRESS LINE 1
ADDRESS LINE 2
PHONE NUMBER
Password required
Installer Password = 76
Press 5-digit display to
i
Input Password
076
1 2 3
6 7 8
After inputting the
password press
to enter password
Figure 56: adjust Mode Screens
i
Central Heat
CH Setpoint
<
F
180
Edit Value
Press the buttons to edit a
value. While editing a value it will blink
until it has been accepted or cancelled. A
value is also cancelled by leaving the
screen without accepting the value.
Warning! Only Qualified
Technicians Should Adjust
Controls, Contact Your
Qualified Heating Professional
Service Contact
i
Press 5-digit display to
ES CL
4 5
Press Save to enter password
C R
B
9 0
S
Value to be edited
(blinks while editing)
>
Cancel edit
Press the
newly edited value and go back
to the original
Adjust
Active
Fault
Adjust
i
Login to Access
Adjustment Mode
Access Level: Installer
Login Adjust
Input Password
000
Save Adjust
After password is Saved
These buttons access
Adjust mode screens
button to cancel