
63
Appliance
Instantaneous Hot Water Piping Works
[For KM3211WHQ]
These appliances cannot be linked.
R3/4
R1/2
1. Be sure to connect a return pipe to circulate the hot water. (A one-way pipe is not allowed.)
2. The circulation pipe shall not be longer than 60 m (back to base), with no more than 20 bends. (Contact
the relevant waterworks department for direct connection to city water at a distance of over 30m.)
3. Piping diameter shall be as follows:
Forward
Return
4. Limit of height differential is as follows.
* In this case, 196 kPa or more is required as the water
supply pressure at the appliance inlet.
5.Since there occurs improper circulation, do not conduct two routes of piping.
Precaution of piping works
Within 5 m
Appliance
Within 5 m
Appliance
Appliance