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13. Installation
Water pipe installation
1.
Use closed type water pipe and closed type expansion tank when constructing water piping system.
2.
Water pipe installation system
1) Install the water pipe as shown in the below illustration. All the parts, other than DVM Hydro unit /
Hydro unit HT, must follow on site installation specification.
▶ Installing hot water supply
Hydro unit
On site
Heat
installation
exchanger
on water
side
⑭ ②
①
⑥
⑫
⑪
Water pipe joint (union, flange)
①
Thermometer
②
③
Manometer
④
Ball valve
⑬
Water Valve
▶ Installing under floor heating
Hydro unit
On site
Heat
installation
exchanger
on water
side
⑭ ②
①
⑥
⑫
⑪
<Water pipe connection part>
Finishing tape
Water
pipe
Insulation
Ball valve (Used as
cleaning hole)
③
Cleaning device
④
⑤
⑦
Flexible joint
⑤
Drain (within the product)
⑥
⑦
Pump
⑧
Air vent
⑭
Pressure relief valve (Pressure safety valve)
Ball valve (Used as
cleaning hole)
③
Cleaning device
④
⑤
⑦
DVM Hydro unit / Hydro unit HT
Buffer tank
⑧
(Mixing tank)
Water out
⑩
⑨
⑬
Water in
Expansion tank
⑨
Temperature sensor for hot water tank
⑩
⑪
Drain valve
⑫
Strainer
Buffer Tank
(Mixing Tank)
⑧
Under floor
heating coil
Water out
⑩
⑮
⑨
⑬
Water in
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