Instruction of SR81 Split Pressurized Solar Hot Water System
Page 20 of 59
The second time section: starts at 11:00, stops at 13:00, runs at 40
o
C
，
stops at 45
o
C
The first time section: starts at 17:00, stops at 22:00, runs at 40
o
C
，
stops at 45
o
C
If it is needed to close one time section, just set the start time and stop time with a same
value (e.g. 10:00 starts, 10:00 stops)
Note:
1) Only one control Mode can be selected, either time control mode or temperature control
mode.
2) If sensor T4 should be installed, in order to avoid measuring error, please ensure to
install sensor at 1.5m far to tank.
3) Both time control mode and temperature control mode, the parameter set steps are
same.
Menu Structure
Main
menu
Subme
nu 1
Subm
enu 2
Factory
set
Adjustable
range
Step per
adjust
Description
CIRC
DHW circuit function
TCYC
OFF
ON/OFF
Activate / deactivate the
DHW circuit function
TEMP
OFF
Temperature control
DHW pump
TIME
ON
Time control DHW
pump
