10
G
Flow, outdoor unit (heating water outlet) G 1
¼
(union nut DN 32, female thread)
H
Cable entry for electrical cables on the back of the
appliance:
■
LV leads < 42 V
■
Power cables 400 V~/230 V~
1.
Prepare the connections on the heating water and
the DHW side.
Flush the heating system.
2.
Prepare the electrical connections.
Outdoor unit
Outdoor units, types 221.A04 to A08
1109
126
508
536
545
62
705
753
544
110
165
590
637
133
176
223
48
518
A
D
C
B
A
B
C D
/
Fig. 2
A
Outdoor unit flow (heating water outlet) G 1
¼
(union nut supplied, female thread)
B
Outdoor unit return (heating water outlet) G 1
¼
(union nut supplied, female thread)
C
Power cable inlet
D
Modbus cable inlet for indoor/outdoor unit
Preparing for installation
Requirements for on-site connections
(cont.)
5831412
Installation
