Discharge Valve; Check Valve; Spare Parts; Accessories - resideo Braukmann BA2981-F Instructions D'installation

5.1.3 Testing outlet check valve
Take note of the instructions of the test control unit
TKA295
1. Procedure according to instruction of the test control
unit TKA295
5.2 Maintenance
Do not use any cleansers that contain solvents and/or
alcohol for cleaning the plastic parts, because this can
cause damage to the plastic components - water
damage could result.
Detergents must not be allowed to enter the
environment or the sewerage system!
CAUTION!
Under no circumstances may check valves and
discharge valves be disassembled. To do so is
highly dangerous!

5.2.1 Discharge valve

1. Close shut-off valve on inlet
2. Release pressure on outlet side (e.g. through water
tap)
3. Close shut off valve on outlet
4. Unscrew pressure control line
5. Loosen screws, pull the discharge connection
downwards and unscrew the discharge valve with the
aid of an oil filter strap wrench.
6. Remove the discharge valve
• Clean or replace as required
7 Troubleshooting
Problem
Discharge valve opens without apparent
reason
Discharge valve does not close
Discharge valve don't open
8

Spare Parts

For Spare Parts visit homecomfort.resideo.com/europe
MU1H-1218GE23 R0420
GB
7.
8.
9.

5.2.2 Check valve

1.
2.
3.
4.
5.
6.
7.
8.
9.
6
Observe the local requirements regarding correct waste
recycling/disposal!
Cause
Pressure strokes in water supply system Install a pressure reducing valve
Fluctuating inlet pressure
Inlet check valve and/or discharge valves
are dirty
Leaky inlet check valve
Deposits on valve seat
Damaged 'o'ring
Leaky discharge valve
Blocked pressure control pipe
9
For Accessories visit homecomfort.resideo.com/europe
3
Lubricate the 'O' ring well with grease, replace
damaged 'O' rings
Reassemble in reverse order
Test function (see 5.1 Inspection)
Close shut-off valve on inlet
Release pressure on outlet side (e.g. through water
tap)
Close shut-off valve on outlet
Open the fixing clip
Remove cover
CAUTION!
Risk of injury - Check valves are underspring
tension!
Remove the check valves
• first unscrew the outlet and then the inlet check
valve. An assembly tool is available as an
accessory.
Fill with water and check for leakage
• Leaking check valves must be replaced. They
cannot be repaired
Reassemble in reverse order
• Well lubricate check valve 'O' ring with grease
• Do not damage 'O' ring during assembly
• The check valve tightening torque is 100 to 120
Nm
Test function (see 5.1 Inspection)
Disposal
Remedy
upstream the backflow preventer
Install a pressure reducing valve
upstream the backflow preventer
Remove check valve or discharge valve
and clean it
Replace check valve
Remove discharge valve, clean or
replace it
Remove discharge valve and replace
'o'ring
Remove discharge valve, clean or
replace it
Remove control pipe and clean it

Accessories