18.
COMMISSIONING REPORT
Once installation has finished this commissioning report can be use to as a guide to system verification operations.
Assembly
Collector fastenings have been carried
out following instructions
Roof covering has been installed after attaching
fixings in accordance with instructions
Roof covering has been installed after attaching
flanges in accordance with instructions
The roof has not been damaged
Any collector protectors have been removed
Drain pipes are correctly installed.
Bleed and safety valves for tank to drain and primary valve,
independently to a container
The bleed conduit is installed on the safety valve on
the water inlet and connected to the drain
Thermostatic mixer is installed.
Temperature is adjusted and controlled
Start-up
Seal leak tightness is controlled by shut off valves,
conical seal metallic fittings and filling/drain taps
The accumulator has been purged
Regulation system
Temperature collectors provide realistic values
The solar pump works
The hydraulic diagram is correctly selected
The solar circuit and accumulate heat up
User Instruction: Users have been instructed in the following:
Following operating instructions
Document delivery, eventually with
special installation drawing
Solar regulator basic and control functions
Maintenance intervals
MAINTENANCE
A table at the end of this chapter indicates essential maintenance work that must be carried out on the solar installation.
19.
CLEANING INSIDE ACCUMULATOR
When cleaning inside the accumulator on the domestic hot water part, take care with cleaning devices and products
employed.
20.
ACCUMULATOR DRAINAGE
Proceed as follows for correct accumulator drainage:
1. Close the collector inlet tap: KEEP THE OUTLET TAP OPEN at the highest hot water point in the installation (tank safety
valve) in order to purge and completely empty the system of hot water. In the event that the system is the highest point
it is sufficient to loosen the secondary safety valve removing the cover from the drainage outlets and rotating the safety
valve for the secondary one full turn.
28
Description
Remarks
Completed