Baxi PBM-i 20 Manual Del Usuario página 158

INSTALLER OPERATIONS CHECKLIST
Checks (as described in the paragraph on "Checking and starting up the unit")
• The connection pipes are suitably supported so that these do not weigh on the appliance
• Correct sizing of the expansion vessel has been verified according to the system water content and the
expected operating temperature
• The position of the outside air temperature probe complies with the information provided in the installation manual
• The position of the room controllers installed complies with the information provided in the installation manual
• The position of the DhW storage tank probe complies with the information provided in the installation manual
• (Units with heat recovery only) The non-return valve is fitted on the domestic hot water circuit
• All safety conditions have been respected
• The unit is fixed to the surface it rests on
• Water connections have been carried out as indicated in the installation manual
• All water connections are tight
• All electrical connections are tight
• Make sure the water circuit has been washed and drained
• There is no air in the system (vent if necessary)
• The valves on the water circuit are open
• Electrical connections have been carried out correctly
• Voltage is within a tolerance of 10% of the rated voltage for the unit
• Unbalance between phases is less than 2%, for three-phase units
• Maintenance clearances comply with the specifications in the Installation manual under the section on
POSITIONING
• Power supply electrical complies with the data on the rating plate and specified in the Installation manual under
the section on MAINS POWER SUPPLY CONNECTION
• The system water content complies with the specifications in the Installation manual under the section on
WATER CONNECTIONS
• Suitable water flow-rate for operation of the entire unit is guaranteed as specified in the Installation manual
under the section on WATER CONNECTIONS
• (Air-to-water units only) The system has been protected with antifreeze, respecting the quantities shown in the
Installation manual under the section on WATER CONNECTIONS
• The DhW storage tank has been fitted with an electric heater for Legionella prevention
It is hereby declared that the site and access to the site where the unit to be operated or serviced is installed has been made
safely accessible in compliance with all safety standards specified by Italian law 81/08 in force. A supervisor must be present on
site to inform workers of residual risks in the workplace.
WARNING:
Failure to complete commissioning due to causes not attributable to the unit will require a second visit, to be charged to the cus-
tomer directly by the local service centre.
Installer's signature ___________________________________________________
78 PBM 20÷40 EN
U I A
CHECKED
Date ________________________
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