Skyline Energy SX-20BZA, Installation Manual, Page: 35 / 51

FACTORY parameters query and setting (table 4)
Code Meaning Setting range
Factory
setting
Remarks
H2
Ambient air temperature below
which heat pump will stop
working to protect
-30
℃ ～
0
℃
-10
℃
H3 Defrost period setting
20min
～
90min
55min
H4
Air HE lowest tube temp below
which system will enter defrost
-15
℃ ～
-1
℃
-3
℃
H5 Longest defrosting time setting 5min
～
20min 8min
H6
Air HE lowest tube temp above
which system will quit defrost
1
℃ ～
40
℃
13
℃
H7
The temp difference between
ambient temp and air HE lowest
tube temp higher than which
system will enter defrost
0
℃ ～
+15
℃
2
℃
H8
Ambient temp below which
system will enter defrost
0
～
20
℃
10
℃
P1
Action period setting of electric
expansion valve
20s
～
90s 30s
P2 Target superheat temp setting
-5
℃ ～
10
℃
4
℃
P3
Outlet gas temp at which EEV
will adjust to keep the temp
80
℃ ～
110
℃
95
℃
P4
EEV open degree when
defrosting
2
～
50 50
P5 Min open degree of EEV 2
～
30 12
P6
EEV choice for automatically and
manually
0
（
manual
）
\1
（
auto
）
1
P7 EEV step by manual 2
～
45 35
F1
Upper limit of water tank temp
setting
30
℃ ～
90
℃
60
℃
F2
Circulating water pump choice
when only electric heater
working
0/1 1
0
：
work/1
：
not work
F3
Temp difference of displaying
temp and real temp of water tank
-5
℃ ～
15
℃
2
℃
F4
Water flow switch installing way
choice
0 /1 0
0:independent/1
：
share
F5
Water pump working state when
heat pump standby
0/1 1
0: non-stop
1: stop
F6
Outlet water temp too high
protection at heating mode
35
℃ ～
85
℃
62
℃
F7 Reserved
F8
Outlet gas temp setting for too
high protection
100 P
～
126
℃
115
P
Remarks: F4 only valid for cascade connection way.