Outgasing test (only for flat plate collectors) Casing Visual check Material of frame Purchase specification Each delivery (1) elements Measurement (verify product is inside tolerance) Visual check Material of rear panel Purchase specification Each delivery (1) Measurement (verify product is inside tolerance) Visual Check Hydraulic Purchase specification Each delivery (1) connections Measurement (verify product is inside tolerance) Documentation and Visual check Purchase specification Each delivery (1) Sealant Table 3. Inspection and tests on the production process and finished collectors (examples) Process Method Requirement Frequency At the beginning Manufacturer of each Cutting of pipe Measurement specification for production order dimensions (2) At the beginning Manufacturer Cutting of absorber of Each Measurement specification for sheet production order dimensions (2) At the beginning Manufacturer of Each Cutting of frames Measurement specification for production order dimensions (2) Visual Each absorber Connection of pipe Proper welding (Recommended but not to absorber Manufacturer’s obligatory) mechanical test with specification method manufacturer’s Absorber Visual check No damage Each absorber Reflector material Visual No damage Each collector Assembly Visual Proper assembly Each collector
Outgasing test (only for flat plate collectors) Casing Material of frame elements Visual check Purchase specification Each delivery (1) Measurement (verify product is inside tolerance) Material of rear panel Visual check Purchase specification Each delivery (1) Measurement (verify product is inside tolerance) Hydraulic connections Visual Check Measurement (verify product is inside tolerance) Purchase specification Each delivery (1) Sealant Documentation and Visual check Purchase specification Each delivery (1) Table 3. Inspection and tests on the production process and finished collectors (examples) Process Method Requirement Frequency Cutting of pipe Measurement Manufacturer specification for dimensions At the beginning of each production order (2) Cutting of absorber sheet Measurement Manufacturer specification for dimensions At the beginning of Each production order (2) Cutting of frames Measurement Manufacturer specification for dimensions At the beginning of Each production order (2) Connection of pipe to absorber Visual Proper welding Each absorber (Recommended but not obligatory) mechanical test with manufacturer’s method Manufacturer’s specification Absorber Visual check No damage Each absorber Reflector material Visual No damage Each collector Assembly Visual Proper assembly Each collector