Instruction of SR81 Split Pressurized Solar Hot Water System
Page 33 of 59
allocated to output R1.
4. When a output is used to control a device without pump speed control (e.g. to control a
motored valve), then the pump speed of the corresponding relay should be set with a value
of 100% or set the control type is ONOF to deactivate the pump speed control function.
Menu Structure:
Main
menu
Subme
nu 1
Subme
nu 2
Factor
y set
Adjusta
ble
range
Step
per
adjust
Description
PUMP
Pump control mode
ONOF
ON
ON/OFF
Pump on/off ( standard pump control
mode without pump speed control)
PULS
OFF
ON/OFF
Pulse control of standard pump
(through semiconductor relay to
trigger pump)
MIN1
30%
20-95%
5%
MAX1
100%
25-100
%
5%
PSOL
OFF
ON/OFF
PWM solar pump control
MIN1
30%
20-95%
5%
MAX1
100%
25-100
%
5%
PHEA
OFF
ON/OFF
PWM heating pump control
MIN1
30%
20-95%
5%
MAX1
100%
25-100
%
5%
0-10
OFF
ON/OFF
0-10V signal control pump speed
MIN1
30%
20-95%
5%
MAX1
100%
25-100
%
5%
