LAARS NeoTherm NTV (Sizes 150–850 MBTU/h) - Install and Operating Manual - Manual (Page 39)

Page 35 N eo T herm Boilers and Water heaters
Section 8A -
QUICK START MENU
Section 8 is divided into three parts. Section 8A includes instructions for using the Quick Start
menu. Section 8B covers basic installation and wiring. Section 8c includes more detailed setup
instructions and wiring diagrams.
Fig. 35 - Quick Start Menu
.
Changing the CH (Central Heat) Setpoint -
Fig. 36 - Changing the CH Setpoint
• On the Quick Start menu, use the Up- and Down-Arrows
to go to the line for CH Setpoint. Press the large OK
button to select the line.
• Use the Up- and Down-Arrow buttons to select the value
you want.
• Press the round OK button to enter the new value.
Changing the DHW (Domestic Hot Water) Setpoint -
See the procedure described above for the CH setpoint.
Outdoor Reset Functions -
The next four lines in the display are used to set up the
Outdoor Reset functions:
• Outdoor Reset Enable/Disable - Note: This function can
be Enabled/Disabled only by a factory trained technician.
• Low Water Temperature - Use the Up- and Down-Buttons
to select the function, use Up- and Down- to select the
new value, then press the round OK button.
• Maximum Outdoor Temperature - Use the Up- and Down-
Buttons to select the function, use Up- and Down- to
select the new value, then press the round OK button.
• Minimum Outdoor Temperature - Use the Up- and Down-
Buttons to select the function, use Up- and Down- to
select the new value, then press the round OK button.
For a complete explanation of the setup for Outdoor Reset,
see Section 8C.5.
Adjustable High Limit -
The absolute high limit setting for the water outlet
temperature for this unit is set at the factory to 195°F
(90.5°C). If you wish, you can also set a second or
“adjustable” limit setting that is lower.
Use the Up- and Down-Buttons to select the function, use
Up- and Down- to select the new value, then press the round
OK button.
Adjustable Stack Limit -
The absolute high limit setting for the stack for this unit is set
at the factory to 195°F (90.5°C). If necessary, you can set the
unit to use a second or “adjustable” limit setting that is lower.
Use the Up- and Down-Buttons to select the function, use
Up- and Down- to select the new value, then press the round
OK button.