Maintenance
Servimat M/L — 28.01.2021
English
—
23
10
Maintenance
CAUTION
Risk of burns
Escaping hot medium can cause burns.
•
Maintain a sufficient distance from the escaping medium.
•
Wear suitable personal protective equipment (safety gloves and goggles).
DANGER
Risk of serious injury or death due to electric shock.
If live parts are touched, there is risk of life-threatening injuries.
•
Ensure that the system is voltage-free before installing the device.
•
Ensure that the system is secured and cannot be reactivated by other
persons.
•
Ensure that installation work for the electric connection of the device is
carried out by an electrician, and in compliance with electrical engineering
regulations.
CAUTION
Risk of injury due to pressurised liquid
If installation, removal or maintenance work is not carried out correctly, there is a
risk of burns and other injuries at the connection points, if pressurised hot water
or hot steam suddenly escapes.
•
Ensure proper installation, removal or maintenance work.
•
Ensure that the system is de-pressurised before performing installation,
removal or maintenance work at the connection points.
The device is to be maintained annually.
–
The maintenance intervals depend on the operating conditions and the
degassing times.
The annual maintenance is displayed upon expiry of the set operating time. Use
"OK" to acknowledge the "Maintenance recommended" message. Reset the
maintenance counter in the Customer menu.
Note!
The maintenance intervals for the secondary tanks may be extended to 5
years if operation has been trouble-free.
Note!
Maintenance work must be carried out and confirmed by specialist
personnel or the Reflex Customer Service, see chapter 10.5
"Maintenance certificate " on page 24 .
The maintenance schedule is a summary of maintenance tasks to be carried out
regularly.
Maintenance task
Conditions
Interval
▲
= Check,
■
= Service,
●
= Clean
Check for leaks, see chapter 10.1
"Exterior leak test" on page 23 .
•
"PU" pump.
•
Screw connections.
•
"DV" degassing valve.
▲
■
Annually
Recurring inspection, see chapter 10.2
"Recurring inspection" on page 23
•
Vacuum spray tube
▲
■
●
5 - 10 years
Vacuum function test.
–
see chapter 10.3.1 "Cleaning the
dirt trap" on page 23
▲
Annually
Clean the dirt trap.
–
see chapter 9.3.1 "Customer
menu" on page 18
▲
■
●
Depending on
the operating
conditions
Check the controller settings, see
chapter 9.3.3 "Default settings" on
page 19 .
▲
Annually
Function test.
•
Degassing of water from the
facility.
•
Degassing of water from the
▲
Annually
Maintenance task
Conditions
Interval
▲
= Check,
■
= Service,
●
= Clean
make-up.
When operating with water/glycol
mixtures
•
Control of the mixing ratio.
•
If necessary, adjust according to
manufacturer information.
▲
Annually
10.1
Exterior leak test
Check the following Servimat components for leaks:
•
Pump
•
Screw connections
•
Degassing valves
Proceed as follows:
•
Seal any leaks at the connections or replace the connections, if required.
•
Seal leaking screw connections or replace, if required.
10.2
Recurring inspection
Comply with all applicable national regulations for the operation of pressure
equipment. Before testing pressurised parts, they must first be depressurised
(see Removal). Arrange for Reflex Customer Service to perform the inspection.
To contact Reflex Customer Service, see chapter 12.1 "Reflex Customer Service"
on page 25 .
10.3
Cleaning
10.3.1
Cleaning the dirt trap
CAUTION
Risk of injury due to pressurised liquid
If installation, removal or maintenance work is not carried out correctly, there is a
risk of burns and other injuries at the connection points, if pressurised hot water
or hot steam suddenly escapes.
•
Ensure proper installation, removal or maintenance work.
•
Ensure that the system is de-pressurised before performing installation,
removal or maintenance work at the connection points.
Clean the dirt trap in the make-up and overflow line.
•
After the degassing time has elapsed.
•
After the maintenance intervals have elapsed.
An inspection is also required after longer lasting operation.
Proceed as follows:
1.
Switch to Stop mode.
2.
Close the ball valves upstream of the dirt trap (1).
3.
Slowly screw the insert (2) out of the dirt trap.
–
The residual pressure in the pipe section escapes from the dirt trap.
4.
Remove the sieve from the insert.
5.
Rinse the sieve with clean water.
6.
Use a soft brush to clean the sieve.
7.
Push the sieve onto the insert.
8.
Check the insert seal for damage
–
If necessary replace the seal.
9.
Screw the insert into the housing of the dirt trap (1).
10. Open the ball valves upstream of the dirt trap (1).
