EN - 31
Maintenance service report
Operation type: ………………………………………………..................…... Date: …………………………………………..
Name of technician and company: …….………………………………………................………………………………….
Unit designation: ………………………………………….......……..… Serial No. ………………………….......…………….
Maintenance contract No.:…………………………………………………………………………………........………………….
Installation and appearance of the unit
•
Level, straightness of the unit and any subsidence of the concrete base
OK
NOK
•
Access, installation dimension, ventilation, condenser
OK
NOK
•
Tightness of mountings on the unit and compressor
OK
NOK
Heating water circuit
•
Length, cross section of the hydraulic piping &
check if hydraulic modification
OK
NOK
•
Check condition of the water in the heating circuit
OK
NOK
(presence of sludge, PH measurement, etc.)
•
Buffer or mixture water capacity sufficient
OK
NOK
•
Check operation of expansion vessel and water valve
OK
NOK
•
Clean intermediate exchanger (WATER-WATER unit)
OK
NOK
•
Hydraulic leak
OK
NOK
•
Presence of several different types of component on the installation
OK
NOK
(electrolysis effect)
•
Pipe insulation
OK
NOK
Unit electrical circuit
•
Condition, length and cross section of the heat pump power supply
•
cable and options
OK
NOK
•
Earth connection
OK
NOK
•
Connection of DHW automatic devices or controllers; swimming pool, etc.
OK
NOK
•
Connection: no wires (sensor, etc.) disconnected
OK
NOK
NOTE:
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Summary of Contents for 7321648
Page 1: ...09 2013 N 13 35 B H eat pumps Guide d entretien Maintenance guide ...
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Page 14: ...EN 14 Unit system start up report ...
Page 16: ...EN 16 Maintenance service report ...
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Page 20: ...EN 20 Maintenance service report ...
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