
EN - 27
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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Содержание 7321648
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