Nibe SMO 40 - Page 32

CNONC
Externt
S
MO
External
SMO40
AA3-X7
L N 1 1 0 2 3 4PE
1 2 3 4
LEK
AA3-X7
The picture shows the relay in the alarm position.
When switch (SF1) is in the " " or " " position the relay
is in the alarm position.
Caution
The relay outputs may be subjected to a max
load of 2 A at resistive load (230V AC).
TIP
The AXC accessory is required if more than
one function is to be connected to the AUX
output.
Optional functions for external connection:
Indications
• indication of common alarm
• cooling mode indication (can be selected when the
air/water heat pump is permitted to produce cooling)
• holiday indication
Control
• control of circulation pump for hot water circulation
• control of active cooling in a 4-pipe system (can be
selected when the air/water heat pump is permitted
to run cooling)
• control of external circulation pump (for heating medi-
um)
• photovoltaic control (Can be selected when the access-
ory EME 10/20 is activated.)
photovoltaic control (Can be selected when the access-
ory EME 20 is activated.)
Activation
• activation of away mode for "smart home" (comple-
ment to the functions in menu 4.1.7)
NOTE
The relevant distribution box must be marked
with a warning about external voltage.
An external circulation pump is connected to the AUX
output, as illustrated below.
CNONC
Externt
S
MO
L
PE
N
N
PE
L
External
SMO40
AA3-X7
L N 1 1 0 2 3 4PE
1 2 3 4
LEK
AA3-X7
NIBE SMO 40Chapter 5 | Electrical connections32