Tank booster heater
1
TBH
1
SL1
2
SL2
3
1ON
4
1OFF
5
2ON
6
2OFF
7
3ON
8
IBH1
9
N
10
N
11
N
12
N
13
4ON
14
4OFF
15
3OFF
16
MV1
1
MV2
2
P_O
3
P_M
4
P_T
5
P_S
6
P_R
7
AHS1
8
N
9
N
10
N
11
N
12
N
13
N
14
N
15
AHS2
16
E
1
12V
2
B1
3
A1
4
E1
5
A
6
B
7
E
8
H1
9
H2
10
Fan
coil 1
Radiator 1
Radiator 2
Radiator n
Floor
heating
coil 1
Floor
heating
coil 2
Floor
heating
coil n
Floor
heating
coil 1
Floor
heating
coil 2
Floor
heating
coil n
Fan
coil 2
Fan
coil n
M
M
M
Zone 3
UIRT
3
UIRT
1
UIRT
2
Zone 1
Zone 2
2
4
3
5
6
7
8
9
10
11
12
13
14
1516
17
18
19
20 21
22
23
24
25
26
27
28
Only master unit (1) can run in DHW mode.When master unit running in DHW mode, the slave unit only can run in heating mode.
DHW mode and cool mode can’t run at the same time.
All slave units can run in cooling or heating mode, and the runing mode and temperature setting change with the change of the master
unit. There may be multiple units runing at different times due to changes in outdoor temperature and indoor required load.
AHS should be connected to the corresponding port of the master unit, and only controlled by the master unit, not controlled by the slave
unit.
6.1.3 Wiring overview of cascade system
TBH should be connected to the corresponding port of the master unit, and only controlled by the master unit, not controlled by the slave
unit.
Solar energy Control should be connected to the corresponding port of the master unit, and only controlled by the master unit, not controlled
by the slave unit.
14
Summary of Contents for DA-HP-16-230
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