20
HT 6Split
HT 12Split
IMPORTANT
If connection AA3: X7 is used for another purpose, an
additional EP Split accessory is required to connect the
hot water circulation pump control.
DHW circulation
The HT 6Split / HT 12Split have possibility to connect
DHW circulation. The circulation connection (XL5) is
located at the top of the tank.
To connect the circulation:
1. Remove the XL5 plug from the top of the housing.
520
120
2. Remove the front panel, then move the control
box to the right to gain access, to the hydraulic
connections.
3. Remove the plug from the circulation pipe (XL5).
4. Fit an elbow (not included in HT 6Split / HT 12Split)
facing towards the back of the casing, into the
circulation connection port.
5. Connect the pipe to the elbow, dimensions as
shown in the drawing below, routing it out at the
top of the casing, where the XL5 plug is located.
6. Fit a circulation pump at the outlet of the pipe from
the HT 6Split / HT 12Split unit, and then connect its
control to the controller.
7. Replace the control box and the front panel.
Chapter 4 |
Pipe connections
Dimensions of the
pipe for circulation
elbow 15x15
XL5
XL5
P
P
Connecting the control of the hot water circulation pump
The hot water circulation pump can be connected in
two confi gurations:
•
to board AA3:X7 on block AA3-X7:-NO (230V),
and N, PE from block X1.
1
0 PE 2
L
N
PE
3
2
3
4
5
6
7
8
9
Expansion Card
External
GP11
X1
AA5-X9
Accessory board AA5
External
PE
L N
X1
L
L
N
N
PE
PE
1 2 3
External
X1
BA-SVM
10-200
GP11
AA3:X7
C NO NC
AA3
-
X7
P
•
in case AA3:X7 output is already in use, to acces-
sory board AA5 (not included in HT 6Split / HT
12Split) on block AA5-X9:8 (230V), AA5-X9:7 (N)
and X1:PE
HT 6Split /
HT 12Split
