Glow-worm Clearly Solar System Hydraulics - Manual (Page 18)

18
6 Commissioning Checklist
1. Assembly O.K. Remarks
Roof bracket fixed according to instructions?
Solar pipework connected to potential equalisation?
Roof covering refixed according to instructions after laying the roof bracket?
Roof membrane not damaged?
Pressure release pipe installed at the expansion relief valve of the solar
circuit?
Catch vessel (empty canister) placed under pressure release pipe?
Pressure release pipe installed at expansion relief valve on hot water side
and connected to waste water?
Thermostat mixer installed, temperature set and checked?
2. Commissioning
O.K. Remarks
System filled with prescribed solar fluid?
Solar circuit flushed with solar fluid?
Line strainer cleaned after flushing the system?
System bled several times?
Solar circuit subjected to hydraulic pressure test, including leak inspection
of screw connections and soldering points?
Stuffing boxes at stop valve and fill/vent valve checked for leaks (retighten
union nuts if necessary)?
Temperature and pressure relief valve checked?
Stop valve for reheating source installed (normally motorised 2 port valve)?
Flow rate set according to system manual?
Pump, cylinder heat exchanger and collector bled (gravity brake blocked for
bleeding)?
Gravity brake released?
Fill/vent valve caps screwed tight?
Cylinder bled?
Heating circuit bled?
Does the system installation meet the requirements of the building
regulations?
Has the system been installed and started up in accordance with the
installation manuals of the manufacturer?
3. Control systems
O.K. Remarks
Do the temperature sensors display plausible values?
Solar pump running and circulating (flow rate measuring meter)?
Solar circuit and cylinder become warm?
The temperature difference between the flow and return is a max. of 10 to
14 °C at full sunshine?
Correct hydraulic plan set
4. Instruction
O.K. Remarks
The system user has been instructed as follows:
– Basic functions and operation of the solar control?
– Functions and operation of the reheating system?
– Frost protection of the system?
– Maintenance intervals?
– Manuals/documents (possibly with special circuit plan) handed over to the
user?
Table 6.1 Commissioning checklist