SR882 operation manual
~ 9 ~
In the case that airstopp is in automatic status,
anti-clockwise turn the knob180
o
to switch the
status to manual air releasing. (See picture 1)
In the case that airstopp is in manual status,
clockwise turn the knob180
o
to switch the
status to automatic air releasing. (See picture 2)
Airstopp is used for releasing the air from system. The air
released from solar liquid will assemble at the top part of airstopp
(see picture 3), and released from airstopp. In order to take the
air from pipe to airstopp, minimum flow speed of 0.3m/s should
be ensured.
After air releasing, please check the system pressure, if need,
please increase the system pressure to the desired operation
pressure by filling and flush station.
Warning
: high temperature scald!
During air releasing, temperature of released air and liquid maybe over 100
o
C.
3.4 Electrical connection
Warning:
disconnect the controller from power supply before opening the housing!
The controller is already integrated in the station and ready to plug in. Pump, pipe
sensor and digital counter are already pre-connected with controller at factory. But
for connecting other wires, it needs to open the controller, doing follows below steps:
Switch off the system, disconnect plug from the
mains.
Remove the front half of the insulation.
Unscrew the cross-recessed screw 1 of the front
cover of controller and remove it by pulling it
downwards.
Connect the wires to controller, and doing reverse
steps to remount the front cover of controller and
insulation.
For further information on electrical connection of the controller, please see manual of
controller (2.3 Terminal layout and system description).
3
1
2