Water pipe work
The hydro unit is equipped with components listed on the table below.
The hot and cold water supply connections are clearly marked on the unit with labels. And service valves are provided.
Whole water plumbing system including Hydro unit shall be installed by a qualified technician and must comply with all relevant
European and national regulations.
• Allowable water pressure of hydro unit is maximum 3.0 bar.
• 2 service valves are provided with the Hydro unit. To facilitate service and maintenance work, install R-Type service valve at the
water inlet of the hydro unit and L-Type service valve at the water outlet of the hydro unit.
• An air-vent valve is integrated on the hydro unit. Please check that air-vent valve is not overtightened so the air-vent valve can
release any air out of the system during system operation.
No.
01
02
03
Hydro unit
04
05
06
07
Name
1.25" BSPP
3/8" BSPP
Pressure relief valve
Air-vent valve
Manometer
Flow switch
Strainer
03
04
02
06
07
05
01
Tightening Torque
350 ~ 380 kgf•cm
120 ~ 150 kgf•cm
120 ~ 150 kgf•cm
120 ~ 150 kgf•cm
92~ 102 kgf•cm
72 ~ 82 kgf•cm
350 ~ 380 kgf•cm
34 ~ 37 N•m
12 ~ 15 N•m
12 ~ 15 N•m
12 ~ 15 N•m
9 ~ 10 N•m
7 ~ 8 N•m
34 ~ 37 N•m
17
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