Winston WSW2.5-300 L, Installation & Operation Manual

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7. Operation and Usage
7. Operation and Usage
26 27
Press
“ ”5s
2.9 The operation of Fan setting
At main interface
，
you can start up Fan by pressing
“ ”
for 2s
，
and thenpress
“
”
for 2s can shut it down.
Fan
2.8 Keyboard lock
To avoid mis-operations, please lock the controller after parameter setting.
At the main interface, pressing
“ ”
for 5 seconds
，
the keyboard will be locked.
When the keyboard is locked, pressing
“ ”for 5 seconds, the keyboard will be unlocked.
NOTES: When the unit is in alarming state, the key lock can be removed automaticly.
Locked
The operation of electric heater setting
When the unit is on
，
you can start up or shut down electric heater by pressing
“
”
. And when the outlet temperature reaches target temperature, system will shut down
electric
heater automatically. It is used for high requirement.
When the unit is off
，
you can start up electric heater only by pressing
“ ”
, And
when the outlet temperature reaches target temperature, system will shut down electric
heater
automatically. But this goes against for green environment, we advice that you start up electric heater
only after compressor has broken.
Malfunction display
There will be malfunction code showing on the controller screen when relative malfunction
occurs.
If there are many malfunctions
，
you can check them by pressing
“ ”
or
“
”
You can refer to the malfunction table to find out the failure cause and solution. For
example
：
Bottom water temp. Failure
Electric heater
3.
Parameter table
Meaning
Default Remarks
Long press
“ ”
Long press
“ ”
Press
“ ”
or
“ ”
Press
“ ”
Press
“ ”
Press
“ ”