The system parameters can be checked and adjusted via the controller. But they should not be changed
casually, especially by house owners.
9.4 Parameter checking and Setting
This operation is reserved to facilitate future service and maintenance. All
parameters should not be changed casually, especially by house owners!
How to check and adjust parameters:
! Warning !
Heat Pump For Heating And Cooling Series
23
User parameter checking and settings (avail in both ON and OFF state)
In the main interface, press
“
function
”
key
for 3 seconds
to
enter
user
parameter
and
settings
interface
;
press
“+”
or
“-”
to
check
each
parameter
.
Press
“
function
”
to
enter
current
user
parameter
settings
interface
,
press
“ +”
or
“ -”
to
modify
the
value
,
again
press
“
function
”
key
to
return
to
query
status
.
Under parameter
or setting interface, if no operation to the controller within 30 seconds, the
controller will return to main interface automatically. The controller also can back to main interface via
pressing ON/OFF key.
Factory parameter
and settings (avail in both ON and OFF state)
In the main interface, together press
“
ON/OFF
”
and
“+”
keys
for 3 seconds
to
enter
factory
parameter
password
interface
.
In
this
interface
,
press
“
time
”
to
switch
code
digits
,
press
“ +”
or
“ -“
to
modify
the
value
of
each
digit
,
and
press
“
function
”
key
to
input
your
password
,
if
the
password
is
correct
,
the
controller
will
enter
factory
parameter
check
interface
.
(
factory
check
password
:
0814
)
In the factory checking interface, press
“
function
”
to
enter
current
factory
parameter
settings
,
press
“+”
or
“-“
to
modify
the
value
of
the
parameter
,
and
press
“
function
”
to
return
to
query
status
.
Under factory parameter query or
setting
interface
,
if
no
operation
to
the
controller
within 30
seconds
,
the
controller
will
return
to
main
interface
automatically
.
The
controller
also
can
return
to
main
interface
via
pressing
ON
/
OFF
key
.
checking
checking
checking
9.5 Paramete r number and descriptio n are liste d in th e fo llowing ta ble.
9.5.1 User Parameter (Available
for
end
users)
Para m eter
code
Pa ram e ter s de scr ip tion
Se tting ra nge
D e fau lt
v alue
Notes
L0
W ater temp
hyste re sis (D HW )
2~18
℃
5
℃
Machin e sto ps w h en w ater temp >=se t
te mp + h ys teresis, ma chin e re sta rts
wh en w ate r temp <= set temp - hyste re sis
L1
Se ttin g wa ter temp (D HW )
2 0
℃
~Pa ra meter F1
55
℃
De fau lt D HW w ater te mp
L2
W ater temp erature
h ys teresis(H ea tin g/C oo ling )
2
℃～
18
℃
3
℃
Mach ine stop s w h en w ate r te mp>=set
temp + hystere sis, mach ine restarts
w he n wa ter te mp<=set te mp - h ys teresis
L3
Se ttin g wa ter temp eratu re o f
H ea tin g mo de
2 0
℃～
Parame ter F1
50
℃
D efau lt w a te r temp fo r He atin g
L4
Se ttin g wa ter temp eratu re o f
C oo ling mo de
7
℃～
30
℃
12
℃
D e fa ult w ater te mp for C oo ling
L5
Th e amb ien t te mpe ra tu re to
start au xiliary ele ctrical he ater
-30
℃～
35
℃
0
℃
W he n amb ien t temp < set va lu e, tu rn o n
the a uxilia ry e lectrica l h ea te r
L6
C omp re sso r cu rren t protection
valu e
0
～
4 0A
1 00 :2 3A
2 00 :1 3A
3 00 :1 0A
3 80 :1 3A
4 50 :1 5A
5 50 :1 3A
6 30 :1 5A
If set to 0, me an s ig no re
th is valu e
