5.1 Precautions for operation
1. Install the product perpendicular
*Failure to follow this notice does not achieve
2. Before installing the product, remove foreign substances and scale from the piping
* Failure to follow this notice may prevent the product from functioning properly
foreign substance and scale into the product
3. When installing the product to piping, tighten
tighten it beyond necessity.
*Failure to follow this notice transforms the body and cause malfunction.
4. Lead outlet side of the product to safety place in case water leaks.
*Failure to follow this notice may
6.2 Precaution for use
1. Do not touch the product directly with bare hand in case of high temperature fluid
* Failure to follow this notice may cause
6.3 Troubleshooting
Trouble
Air cannot be
exhausted.
1. Stop valve at inlet side has been
closed.
2. Piping pressure is above the
optimum level
Water outflows.
1. Floating valve [2] is stuck by foreign
substance
2. Floating valve [2] is damaged.
3. Float [6] is damaged and loses the
specified function.
7.1 Warning for maintenance
Warning
Completely discharge the pressure inside of the product
disassembly or maintenance
* Failure to follow this notice may result in injury due to residual pressure.
1. Install stop valve (cock or gate valve) at inlet side of the
product for maintenance and inspection.
2. There is a possibility of leakage by scale inside piping.
Install the point of outlet side so that back flow to drain
ditch cannot happen as shown in the right figure
4
6. Operating Procedure
Caution
Install the product perpendicularly on such a place where air likely gathers.
does not achieve function of the product.
product, remove foreign substances and scale from the piping
* Failure to follow this notice may prevent the product from functioning properly
foreign substance and scale into the product.
to piping, tighten the hexagonal part of the body with wrench
*Failure to follow this notice transforms the body and cause malfunction.
ead outlet side of the product to safety place in case water leaks.
*Failure to follow this notice may contaminate surroundings.
Warning
Do not touch the product directly with bare hand in case of high temperature fluid
may cause burns.
Cause
Remedy
Stop valve at inlet side has been
1. Open the stop valve fully.
Piping pressure is above the
optimum level.
2. Reduce the piping pressure or replace
the product with the model for high
pressure.
Floating valve [2] is stuck by foreign
1. Disassemble the product and clean
floating valve.
Floating valve [2] is damaged.
2. Replace floating valve [2].
Float [6] is damaged and loses the
specified function.
3. Replace float [7].
7. Disassembly
Completely discharge the pressure inside of the product
or maintenance.
follow this notice may result in injury due to residual pressure.
To drain
ditch
Install stop valve (cock or gate valve) at inlet side of the
product for maintenance and inspection.
There is a possibility of leakage by scale inside piping.
side so that back flow to drain
ditch cannot happen as shown in the right figure
■
EPDT-198
■
product, remove foreign substances and scale from the piping.
* Failure to follow this notice may prevent the product from functioning properly due to ingress of
the hexagonal part of the body with wrench. Do not
Do not touch the product directly with bare hand in case of high temperature fluid.
Remedy
Open the stop valve fully.
the piping pressure or replace
the product with the model for high
Disassemble the product and clean
Replace floating valve [2].
Replace float [7].
Completely discharge the pressure inside of the product and piping before
follow this notice may result in injury due to residual pressure.
Stop valve