16
Installation & Owner‘s Manual
4.2.3 Basic function
Weekly disinfect function
Under disinfection unit immediately start to heat water up to 65
to kill the potential legionella bacteria inside water of tank
icon will be lightened on the display screen during disinfection;
Unit will quit disinfection if water temperature is higher than 65
and extinguish icon.
How is the unit running:
Model: HWHM-TDF190/1.5-H31, HWHM-TDF300/3.5(E)-H31
Model: HWHM-TNF190/1.5-H31
If unit is OFF->press ->unit will be waken->press
to set target water temperature ->press ->unit
will automatically select heat source and start to heat water to
target temperature.
ON/OFF
1)
2)
4.2.4 Query function
Model: HWHM-TDF190/1.5-H31, HWHM-TDF300/3.5(E)-H31
Model: HWHM-TNF190/1.5-H31
For the convenience of maintenance and debug, query function is
available by Press 2 buttons together: + , then
system running parameters will be shown one by one with following
sequence by each pushing of or button.
Table 4-5
No.
Hour
low bit
Min.
high bit
Min.
Low bit
Temp./
Dasys
Explenation
1
Temp.
T5U
2
Temp.
T5L
3
Temp.
T3
4
Temp.
T4
5
Temp.
TP
6
Temp.
Th
7
Current
Compressor
8
Last error code
9
Previous 1st error or
protection code
10
Previous 2nd t error or
protection code
11
Software number
I
f unit is OFF->press ->button will be unlocked ->press
to select mode ->press to set target water
temperature->press ->unit will automatically select mode
and start to heat water to target temperature.
For the convenience of maintenance and debug, query function is
available by Press 2 buttons together : + , then system
running parameters will be shown one by one with following sequence
by each pushing of or
button.
Table 5-2
T5L
T4
T3
TP
Th
Last error code
Previous 1st error
or protection code
Previous 2nd t error
or protection code
Software number
EEV current pulse
Compressor
& E-heater
E-heater
Compressor
Operation mode
1 Economy mode
2 Hybrid mode
4 E-heater mode
8 OFF mode
Fan speed
F0 OFF, F1 Low
F2 Middle, F3 High
Disinfect function
0 Not available,
1 Available
E-heater input
selection
0 2150W, 1 3200W
2 1070W, 3 1600W
-- No E-heater
X
X
X
Y
X
X
X
X
X
X
Y
X
X
X
X
M
M
Temp.
Temp.
Temp.
Temp.
Temp.
Current
Pulse
DD
Hour
low bit
Min.
high bit
Min.
Low bit Temp.
Explenation
Hour
high bit
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
