Settings to be made for this type of installation
Parameters Access Settings to be made See chapter
HP BUS
Installer level
#PRIMARY INSTAL.P menu
TOR
¼ "Professional settings", page 91
BACKUP TYPE
Installer level
#PRIMARY INSTAL.P menu
/E1 (Stage1)
/E2 (Stage2)
¼ "Professional settings", page 91
DHW TYPE
Installer level
#PRIMARY INSTAL.P menu
SECONDARY
¼ "Professional settings", page 91
(1) The parameter is only displayed if INSTALLATION parameter is set to EXTENDED
4.11.14. Connection example in cooling mode
M002703-B
AWHP
BUS
MIT-IN E
HK23
HK21
On/off
OT BL S ECS
BUS
A B 0V
S EXT
TS + B AB
0-10V
S AMB C
4 3 2 1 2 1
+ -
S AMB B
2 1
S AMB A
2 1
S SYST + TA -
S ECS S EXT S DEP C
2 12 12 12 1 2 1
S DEP B
2 1
SCU
PCU
1 2
3
9
12
5 6
8
7
4
3 4
10 13 14
11
A
B
A/B
K
230V
50Hz
230V / 400V
50Hz
A
Not used: Do not connect anything to the terminal block.
Z
CAUTION
Do not connect anything to the DHW pump
outlet as the reversal valve is connected to the
PCU PCB in the boiler.
AWHP MIT-IN iSystem 4. Installation
24/09/2012 - 300027606-001-01
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