Should an external heat source be a
part of the system, either set it by
selecting option "
Yes
", or via the sys-
tem configuration (see page 45).
Access
&
"
System settings
"
&
"
Program
"
&
"
Ext. heat source
"
&
"Ext. heat source"
("
YES
"/"
NO
")
Standard setting
NO
Setting range
YES/NO
Priority, external heat source
This setting defines whether priority is
given to heating by the external heat
source or heating by the electric hea-
ter.
Access
&
"
System settings
"
&
"
Program
"
&
"
Ext. heat source
"
&
"Priority ext. HS"
("
YES
"/"
NO
")
Standard setting
YES
Setting range
YES/NO
Temperature limit for operation
Setting of the temperature limit for the
additional operation of the external
heat source. The long-term average
outside temperature must be lower
than this temperature limit for the
external heat source to be enabled.
This start restriction does not apply if
the heat pump is faulty.
Access
&
"
System settings
"
&
"
Program
"
&
"
Ext. heat source
"
&
"T limit for operation"
(
1
/
!
)
Standard setting
10 °C
Setting range
-50 to +50 °C
External heat source
122
Control settings, external heat source
55
92
901
GB
Summary of Contents for VITOCAL 300
Page 19: ...Connection diagram Open CLOSE System version 1 cont 19 Preparing for installation 5592 901 GB...
Page 22: ...Connection diagram Open CLOSE System version 2 cont 22 Preparing for installation 5592 901 GB...
Page 137: ...Control PCB 137 Connection and wiring diagrams 5592 901 GB Service...
Page 140: ...Parts lists cont 140 Parts lists 5592 901 GB...
Page 141: ...Parts lists cont 141 Parts lists 5592 901 GB Service...
Page 159: ...159 5592 901 GB...
