INSTALLATION | Appliance description
982001-TERRA-M2-M4-EN04.1 | www.ochsner.com 11
8.2 Hydraulic variants of the indoor unit
The indoor unit is available in eight different hydraulic
variants that are illustrated schematically below. Various
system configurations are possible for each of these indoor
unit hydraulic variants. (see page 60, System schematic
11_02_200_204_01_002
M2-4
M2-3
M2-2
M2-1
4
3
5
2
1
7
8
9
10
11
6
12
3
5
2
1
7
9
10
11
6
12
4
3
5
2
1
7
8
9
10
6
12
3
5
2
1
7
9
10
6
12
13
14
17
16
15
13
14
17
16
15
13
14
17
16
15
13
14
17
16
15
1 Heat source return
2
Heat source flow
3 Heating water/DHW return
4
DHW flow
5
Heating water flow
6 Heat generator pump
7 Diaphragm expansion vessel (heat sink side)
8 3-way switching module
9 Flow meter (heat sink side)
10 Safety valve (heat sink side)
11 Electric booster heater
12 Heat exchanger (heat sink side)
13 Flow meter (heat source side)
14 Diaphragm expansion vessel (heat source side)
15 Safety valve (heat source side)
16 Heat source pump
17 Heat exchanger (heat source side)
Summary of Contents for TERRA 6
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