22
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 .
<Water pipe connection part>
DVM Hydro unit / Hydro unit HT
Water
pipe
Insulation
O
ver 80 mm
Finishing tape
f
Installing hot water supply
①
⑥
②
⑭
⑪
⑧
⑩
⑦
⑫
③
⑨
⑬
On site
installation
Ball valve (Used as
cleaning hole)
Water out
Water in
Buffer tank
(Mixing tank)
Cleaning device
Hydro unit
Heat
exchanger
on water
side
④
⑤
①
Water pipe joint (union, flange)
⑤
Flexible joint
⑨
Expansion tank
②
Thermometer
⑥
Drain (within the product)
⑩
Temperature sensor for hot water tank
③
Manometer
⑦
Pump
⑪
Drain valve
④
Ball valve
⑧
Air vent
⑫
Strainer
⑬
Water Valve
⑭
Pressure relief valve (Pressure safety valve)
DB68-12327A-00_IM_DVM Hydro HT_AA_EN_.indd 22
DB68-12327A-00_IM_DVM Hydro HT_AA_EN_.indd 22
2023-06-15 오전 10:37:25
2023-06-15 오전 10:37:25