salmson CC HVAC Instrucciones De Instalación Y Funcionamiento página 43

ENGLISH
Ext.Quit (optional):
An external acknowledgement switch can be connected by
means of a potential-free contact (normally open contact) via
the corresponding terminals (in accordance with the wiring
diagram).
Ext.Quit
Contact closed:
Contact open:
Contact load:
Do not connect any interference voltage
ATTENTION!
to the terminals!
SL ZU/AB (optional):
Potential-free contacts (normally open contacts) can be con-
nected via the corresponding terminals (in accordance with
the wiring diagram).
SL ZU/AB
Contact closed:
Contact load:
Do not connect any interference voltage
ATTENTION!
to the terminals!
Pump alteration PT (optional):
A change of the base-load pump can be forced by means of
a potential-free contact (normally open contact) via the cor-
responding terminals (in accordance with the wiring diagram).
Pump alteration PT
Contact closed:
Contact open:
Contact load:
Do not connect any interference voltage
ATTENTION!
to the terminals!
Alarm inputs (digital) 1...n (optional):
Alarm sensors can be connected by means of potential-free
contacts (normally open contacts) via the corresponding ter-
minals (in accordance with the wiring diagram).
Alarm inputs (digital)
Contact closed:
Contact open:
Contact load:
Do not connect any interference voltage
ATTENTION!
to the terminals!
Alarm acknowledged
No acknowledgement
24 V DC / 10 mA
SL ZU/AB, counting for-
ward/backward for each
connection;
one peak-load pump is
switched On or Off each
time.
24 V DC / 10 mA
Pump alteration
Automatic mode
24 V DC / 10 mA
Alarm
Automatic mode
24 V DC / 10 mA
Manual/0/Automatic inputs (optional):
External H/0/A switches can be connected by means of
potential-free contacts (normally open contacts) via the cor-
responding terminals (in accordance with the wiring diagram).
Manual/0/Automatic inputs
Contact closed:
Contact open:
Contact load:
Logic diagram
Contact
Manual Zero Automatic
control system
x x x
x x o
x o x
x o o
o x x
o x o
o o x
o o o
x: Contact closed; o: Contact open:
Do not connect any interference voltage
ATTENTION!
to the terminals!
Repair switch inputs Pump 1...n (optional):
Repair switch signals can be connected by means of poten-
tial-free contacts (normally open contacts) via the corre-
sponding terminals (in accordance with the wiring diagram).
Repair switch inputs
Contact closed:
Contact open:
Contact load:
Do not connect any interference voltage
ATTENTION!
to the terminals!
Collective run/collective fault signals SBM/SSM:
Potential-free contacts (changeover contacts) for external sig-
nals are available through the corresponding terminals in
accordance with the wiring diagram.
Potential-free contacts, max. contact load 250 V ~ / 2 A
Optional signals for individual operation/fault of the pumps
and frost protection/low water:
Potential-free contacts (changeover contacts) for EBM, ESM
and WM are available through the corresponding terminals in
accordance with the wiring diagram.
Potential-free contacts, max. contact load 250 V ~ / 2 A
43
see below (logic diagram)
see below (logic diagram)
24 V DC / 10 mA
Function
Non-permitted status,
pump disabled
Non-permitted status,
pump disabled
Non-permitted status,
pump disabled
Pump in manual
mode "ON"
Non-permitted status,
pump disabled
Pump disabled
Pump on standby for
automatic mode
Non-permitted status,
pump disabled
Repair switch switched on
(pump enabled)
Repair switch switched off
(pump blocked)
24 V DC / 10 mA