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Connection of an external
enabling contact (optional)
Operation / standby
In addition to operation with the
controller or cabled remote con-
trol, the unit can be switched on
(standby) and off (normal opera-
tion) using an external floating
contact (programmed as an N.O.
contact) (Fig. 7).
A change in the function logic (as
N.C. contact) is not possible.
This enable is used, for example,
to implement downtimes at night
or an activation/deactivation of a
GLT.
Connection of the collective
fault
message notification function
(standard equipment)
The connection of a floating col-
lective fault message notification
function, for example, for signal-
ling or further processing on a GLT,
is possible in the standard version.
For this purpose, use the corre-
sponding connection diagram and
observe the maximum contact load
(Fig. 7).
7 External floating contacts
2-3 Operation / standby enable (floating)
4-5 External fault message notification function
(max. 230V~, 3A)
2-6 Cooling / heating mode enable (floating)
Unit
Users
Connection of an external
operating mode contact (op-
tional)
for cooling/heating mode
(units with heat pump func-
tion)
In the standard version, the unit
is programmed for operation with
the controller and/or cabled re-
mote control. If a switchover from
cooling or heating mode (Fig. 7)
should take place using an external
floating contact (input), parameter
SP 9 must be reprogrammed to
1 (for the programming, see the
"Configuration of the switchover
between cooling and heating"
section). After the switchover, only
the external enable for cooling/
heating mode can be used.
Configuration of the switchover between cooling and heating
(external contact)
The controller is programmed at the factory for the switchover between
cooling and heating on the controller. When an external contact is used
to switchover between cooling and heating, a regulation parameter must
be reconfigured. Parameter SP 9 must be switched over from 0 to 1. In
the SP menu item, the parameter SP 9 can be changed in level 1.
Factory setting for KWP...H heating:
Switchover between cooling and heating Parameter SP 9 = 0
"0" = operation on controller, "1" = operation through switchover con-
tact
The following program sequence must be programmed.
After the programming procedure, the "heating
mode" is activated with an open contact between
terminals 2 and 6. Display =
After the programming procedure, the "cool-
ing" is activated with a closed contact between
terminals 2 and 6. Display =
Configuration of parameter SP 9
+
> 5 sec.
< 2 sec.
< 2 sec.
< 2 sec.
> 5 sec.
< 2 sec. ...
< 2 sec. ...
+
> 5 sec.
Normal
display
St
submenu
Entry
C-H switchover
Parameter
C-H switchover
Input
Parameter level
Standby
mode
Open parameter
SP 9
SP
submenu
Entry
assumed
/
> 5 sec.
REMKO KWG
32
32


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