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EGEA TECH
8.7.2.1 Example of water system WITH thermostatic mixing valve (recirculation on unit cold water inlet connection)ità)
5
11
16 17
11
1
11 10 12 10 17
fig. 63 - Example of water system WITH thermostatic mixing valve
(recirculation on unit cold water inlet connection)
Legenda
1
Inlet tube
4
Recirculation water inlet
5
Hot water outlet pipe
9
Inspectable end of the exhaust pipe
10
Pressure gauge
11
Shut-off valve
12
Pressure regulator
13
Safety valve
Note:
1) The recirculation pump (part.16) must be connected to terminal CN26 of the master motherboard (ref. "fig. 72 - Wiring diagram of the equipment" on page 189).
2) Fit a normally open solenoid valve (part. 19) for each unit in the cascade. The valve must be connected to terminal CN14-1 (ref. "fig. 72 - Wiring diagram of the
equipment" on page 1894) of the mother board of each unit.
200 LT - 260 LT -200 LT-S - 260 LT-S
18
11
11
19
13
14
15
SLAVE
21
14
Expansion vessel
15
Drain cock
16
Recirculation pump
17
Non-return valve
18
Thermostatic mixing valve
19
Solenoid valve for cascade water inlet manage-
ment (normally open 230Vac-50Hz)
20
Exhaust manifold
cod. 3540000410 - Rev. 03 - 09/2023
11
11
19
13
14
15
SLAVE
21
20
21
22
11
11
19
13
14
15
MASTER
21
Siphon
Unloading on the ground
Cascade management serial connectionsa
Electrical connections
EN
22
183
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