OPERATING AND INSTALLATION INSTRUCTIONS LG 250 A
PAGE 38
Changes reserved
U
S
ER
G
ENER
A
L
S
P
EC
IA
LIS
T
P
ER
S
O
NNEL
Activate extract air balance & basic
ventilation
Extract air balance and basic ventilation
settings can be adjusted under "Menu" ->
"Air Volume" -> on the 2nd page.
Actions
"Menu" -> "Actions" is extended with the
following menu items.
• Reset Controlled BV/Off,
see page 19
• Reset Error Z04/05,
see page 19
• Reset time meter
• Delete message overview
• Test mode: Test the unit’s basic func-
tions
• Update the system’s firmware
• Test mode: Test relays
• Test – bypass valve: Bypass valve
control e.g. heat recovery (HR), bypass
(open), error position (error), normal
• Test – supply air fan: The supply air fan
can be regulated from 0 to 100%.
• Test – exhaust air fan: The exhaust air
fan can be regulated from 0 to 100%.
For more information on error signals and
reasons for errors,
see section 18 “Fault
description“.
