Checklist For Boiler System: Hot Water Boilers; Recommendation Regarding Scope And Interval Of Testing - Viessmann Vitomax HW Series Operating And Service Instructions

Checklist for boiler system: Hot water boilers

Key
■ O = Monitor; check for unusual noises, odours and
other unusual phenomena
■ T = Check function of equipment components,
including monitoring
Operation, maintenance and inspec-
tions/tests:
Safety equipment to prevent excess
pressure (safety valves)
Water level indicator
Blow down and drainage devices
Air vent valves
Protection against low water (LWL)
Pressure and temperature indicator
(pressure gauge)
Pressure limiter
Temperature limit
Circulation limiter
Devices for safeguarding water quality
Protective systems
Pressurised parts (pipes, inspection
ports, flanges, gaskets, connections, etc.)
Pressure and temperature controller
Water supply
Water quality
Heat supply
Tab. 21

Recommendation regarding scope and interval of testing

Note
The indicated extent of testing and the time intervals
are manufacturer's recommendations. As part of com-
missioning, these should be matched to the individual
system as part of the arrangements made with the sys-
tem user, the supervisory authority and the manufac-
turer.
72 Months
hrs
1 3 6 12
O T
O
O
O T
O T
O
O T
O T
O T
O T T
(1.) (2.)
O T
O
O T
O T
T
O T
We recommend that the 6-monthly tests be conducted
in accordance with the applicable regulations
(e.g. EN 12953) by a qualified employee of the manu-
facturer.
Note
The checklists included can be used as templates.
Type of tests (examples)
Vent. National regulations may require
additional function checks and monitor-
ing.
Blow through only for boilers with p < 32
bar
By activation
In accordance with manufacturer's speci-
fications
Simulation
Comparison with limiters and controllers
Change in set value/test keys
Change in set value/test keys
1. Comparison of actual values with relia-
ble samples
2. Testing by qualified specialist
Electrical and mechanical testing by
qualified specialist
Check for tightness
Comparison
To specifications of EN 12953-10
Carried out by a suitably qualified and
competent person at least once per year,
in line with the operating manual issued
by the manufacturer
Checklist
29