Centrometal PelTec 12 Technical Instructions page 27

Scheme 13. Configuration DHC x2
14
1
5
1 - Boiler PelTec / PelTec-lambda
2 - Air self-venting group 2,5 bar
3 - Motor 4-ways mixing valve
4 - Closed type expansion vessel
5 - Return flow temperature sensor
6 - Main flow temperature sensor
7 - Heating circuit 1
Shema 14. Configuration BUF--IHCx2
15
1
5
1 - Boiler PelTec / PelTec-lambda
2 - Air self-venting group 2,5 bar
3 - Motor 4-ways mixing valve
4 - Closed type expansion vessel
5 - Return flow temperature sensor
6 - "CAS" accumulation (buffer) tank
7 - Acc. (buffer) temperature sensor (upper)
8 - Acc. (buffer) temperature sensor (lower)
NOTES:
- In this configuration is possible to upgrade up to 4 unit "CM2K module for regulation 2 heating circuits".
- In this configuration is possible to connect external control (external start)
Technical instructions PelTec-lambda
2
bar
6
M
4
P1
3
bar
2
M
3
4
P1
Configuration DHC x2, BUF--IHCx2
P2
13
8
10
8 - 3-way manual mixing valve 1.circuit
9 - Heating circuit 2
10 - 3-way manual mixing valve 2.circuit
11- Room thermostat 1. circuit
12- Room thermostat 2. circuit
13 - Hydraulic crossover
14 - Outdoor temperature sensor
Required sensors: - return flow temp. sensor
6
7
P2
8
10
9 - Heating circuit 1
10 - 3-way manual mixing valve 1.circuit
11- Heating circuit 2
12- 3-way manual mixing valve 2.circuit
13- Room thermostat 1. circuit
14- Room thermostat 2. circuit
15 - Outdoor temperature sensor
12
2. Heating circuit
11
1. Heating circuit
P3
Required sensors:
- return flow temp. sensor
- main flow temperature sensor
- acc. (buffer) tank sensor (upper)
- acc. (buffer) tank sensor (lower)
14
2. heating circuit
13
1. heating circuit
P3
12
9
7
11
9
27