Operation manual of solar controller SR658
Page 55 of 105
and pump will run at the minimum speed during the remaining runtime.
If the collector sensor is defective, this function will be switched off.
In 2-collector fields systems, the tube collector function is available for each individual
collector field.
In 2-collector fields systems, the tube collector function will affect the inactive collector field
only. The solar pump of the active collector field will remain switched on until the switch-off
conditions are fulfilled.
Menu structure
Main
menu
Submen
u 1
Submen
u 2
Default
Set
Adjust range
Adjust
step
Main menu
COL
Collector function
OCEM
ON
Emergency shutdown function of
collector 1
CEM
130
℃
80-200
℃
1
℃
Switch-off temperature difference of
emergency shutdown of collector 1
(hysteresis 10
o
C)
OCCO
OFF
Collector 1 cooling function
CMAX
110
℃
70-160
℃
1
℃
Collector 1 cooling temperature
（
hysteresis 5
o
C
）
OCMI
OFF
Minimum temperature function of
collector 1
