53
EN
G
LIS
H
Using the PCB Switch
Switch is located on the main PCB.
12V
GND
L
N
1. Check the power between DVM Hydro unit and the distribution board.
- Single phase: L, N
2. Check the outdoor unit.
1) Check if power and communication cable of the outdoor unit is connected properly. (Communication cable between
the DVM Hydro unit and the outdoor unit should be connected to F1, F2)
2) Check the connection of the temperature sensor, drain pump and display etc.
3. Press the [K1] button to check the information on status of DVM Hydro unit as shown in the below table.
[K1] Number of press
Displayed contents
Display
SEG1
SEG2
SEG3
SEG4
1
Capacity of DVM Hydro unit
1
16HP
016
2
Set temperature
2
27 °C
027
3
Current temperature
3
27 °C
027
4
Room temperature
4
27 °C
027
5
EVA IN temperature
5
-17 °C
-17
6
EVA OUT temperature
6
-17 °C
-17
7
WATER IN temperature
7
-17 °C
-17
8
WATER OUT temperature
8
-17 °C
-17
9
Hot water tank temperature
9
27 °C
027
10
Defrost bypass valve
A
ON
000 / OFF
001
11
Pump output
B
ON
000 / OFF
001
12
Flow switch input
C
ON
001 / OFF
000
13
EEV Step
D
1400
140
14
Current targeted degree of super heat
E
3°C
003
15
DVM Hydro unit address
F
01
001
16
Version
2012/10/29
CA29
4. When there are more than one error, press the [K2] button to check the errors.
[K2] Number of press
Displayed contents
1
Currently displayed error
2
Most recently occurred error 1
3
Most recently occurred error 2
DVM HYDRO UNIT_IM_E_03469A(1).indd 53
2012-11-21 오후 2:32:32