Supply Pipe And Drain Pipe Work - Mitsubishi Electric Fresh Master GUF-50RDH4 Installation Instructions Manual

6. Supply pipe and drain pipe work

the drain pipe work.
6.1. Supply pipe work
1.
hole when performing pipe work for the water supply.
- Set the water pressure between 2 10
- Install the servicing valve near the strainer then install the
supply pipe.
Servicing valve
Cap
Discharge valve
Caution:
- The supply water should meet public waterworks standards,
sible from the inspection opening.
- Securely lock the supply pipe so that no force is applied to
the strainer.
- When performing the supply pipe work, wash the pipe with
ciently conduct water discharge before using until the water is
clear.
- Take caution as to not let cutting oil or detergent from entering.
- The supply and drain pipes must be installed as such that
- The supply and drain pipes must be properly installed so that
there is no water leak.
-
ter.
- Insulation work must be performed upon the heater as well.
Pa to 49 10 Pa.
4 4
Supply pipe
, otherwise the hu-
-
-
-
heater.
6.2. Drain pipe work
1. Connect a vinyl chloride VP25 elbow to the drain discharge port.
2. The drain pipe must be properly insulated from the drain dis-
charge port.
VP25 elbow
Caution:
- The pipe must be installed with gradient of more than 1/100.
- The drain pipe must be installed so that water does not ac-
cumulate inside.
- Check to make sure that the end of the drain pipe is at a
location where discharge is possible and that the pipe can be
properly drained.
- Do not install the drain pipe as shown below.
- Do not insert the tip of the drain pipe into a gutter or the like.
snowfall, resulting in water leakage from the main unit.
Air-bleeding
Drained
water
3. Make sure the pipe drains water properly.
(1) Remove the maintenance cover (for humidifying).
-
holes (six locations for Model 50).
(2) Pull out the inner lid.
exit.
(5) Replace the inner lid and the maintenance cover (for humidify-
ing).
Water supply
hose
Inner lid
Drain discharge port
Drain pipe (gradient: 1/100 or more)
Vinyl chloride pipe VP25
Pass-over
Drained
water
Drain tray Maintenance Cover
Odor trap