Airwell PAC HT Series Podręcznik danych technicznych - Strona 6
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General Hydraulic Layout for a Type 1 (*) Installation
1
Stop valve
2
Buffer tank (optional)
3
Filter or sludge trap
5
3-way valve - Domestic hot water
6
Domestic hot water tank
7
Safety devices
8
Recycling circulating pump (optional)
Layout 1 :
This layout is recommended when the PAC HT water flow is continuous and close to the nominal value (no radiator thermostatic valves).
The buffer tank
(2)
provides extra circulating water volume to maintain the minimum volume.
6
HW
1
1
6
5
1
1
3
1
1
12
1
8
3
7
1
1
CW
14
15
1
13
1
2
12
Expansion tank
13
In-line heater
14
Bleed
15
Safety valve
HW : Hot Water
CW : Cold Water
*
Installation components not supplied