172-65634MAJ-03 (A-DR20) 6 Oct 2021
8
Installation
Install properly and DO NOT use this product outside the recommended
operating pressure, temperature and other specification ranges.
Improper use may result in such hazards as damage to the product or
malfunctions which may lead to serious accidents. Local regulations
may restrict the use of this product to below the conditions quoted.
CAUTION
Take measures to prevent people from coming into direct contact with
product outlets. Failure to do so may result in burns or other injury from
the discharge of fluids.
CAUTION
Installation, inspection, maintenance, repairs, disassembly, adjustment and valve
opening/closing should be carried out only by trained maintenance personnel.
1. Blowdown
Blowdown Using a Bypass Line
Before installing the A-DR20
unit, be sure to blow down all
piping thoroughly. If this is not
possible, perform a blowdown
using the bypass valve.
Blowdown is especially
important for newly installed
piping or after the system has
been shut down for a long
period of time.
2. Removing the Protective Caps
Before installation, be sure to remove all protective seals and caps
covering the product inlet and outlet.
(Found in 2 locations; on the product inlet and outlet.)
3. Installation Angle
4. Piping Support
Install the A-DR20, paying attention to avoid excessive load,
bending and vibration. Supporting the inlet and outlet pipes
securely.
5. Maintenance Space
Leave sufficient space for maintenance, inspection and
repair. (Unit: mm (in))
A-DR20
Open
Closed
Closed
Primary
Side
Secondary
Side
Install the A-DR20 horizontally, so that the arrow mark on the
body is in the direction of flow. Allowable inclination is 10
degrees in the fore-aft direction and 15 degrees side to side in
the plane perpendicular to the air flow line.
15
0
(6)
1
5
0
(6
)
150
(6)
150
(6)
