Baxi PBM-i 20 Manual Del Usuario página 157

INSTALLER OPERATIONS CHECKLIST
CONCERNING UNIT INSTALLATION OPERATIONS AND SETUP FOR COMMISSIONING,
HAVE THE FOLLOWING CHECKS BEEN COMPLETED?
Components installed (as described in the paragraph on "Water circuit connections")
• Two pressure gauges with a suitable scale are installed on the inlet and outlet
• Shut-off valves are installed on the heating system circuit and domestic hot water circuit inlet and outlet
• Two thermometers are installed, on the inlet and outlet
• All pipes are insulated with suitable vapour barrier material to prevent formation of condensate and heat loss,
with control and shut-off devices protruding from the insulation
• Drain valves are installed at the lowest points in the system
• Automatic or manual air vent valves are installed at the highest points in the system
• An additional expansion vessel is installed on the system if the standard vessel is insufficient
• Vibration damper joints are installed on the inlet and outlet water pipes
• A low-loss header is installed if the water content is insufficient
• Vibration damper supports are installed on the unit
• The domestic hot water production system is installed
• The safety valve is installed and suitably sized
• The domestic hot water expansion vessel is installed and suitably sized
• The flow switch is installed and suitably calibrated
Checks (as described in the paragraph on "Checking and starting up the unit")
• Two pressure gauges with a suitable scale are installed on the inlet and outlet
• The unit is positioned as described in the chapter on "Positioning" in this manual
• The filter is installed on the system return/inlet as close as possible to the unit and in a position that is easy to
access for maintenance. REQUIRED component, this must be installed before water circulates through the heat
exchanger otherwise the warranty will be void
• The filter is installed on the domestic hot water return/inlet as close as possible to the unit and in a position that
is easy to access for maintenance. REQUIRED component, this must be installed before water circulates
through the heat exchanger otherwise the warranty will be void
• (Water-to-water units only) The filter is installed on the source return/inlet as close as possible to the unit and in
a position that is easy to access for maintenance. REQUIRED component, this must be installed before water
circulates through the heat exchanger otherwise the warranty will be void
• The flow switch is installed on the unit's outlet to the heating system circuit and is electrically connected.
REQUIRED component, this must be installed before water circulates through the heat exchanger otherwise
the warranty will be void
• (Water-to-water units only) The flow switch is installed unit's outlet to the source circuit and is electrically
connected. REQUIRED component, this must be installed before water circulates through the heat exchanger
otherwise the warranty will be void
U I A
YES NO
K K
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CHECKED
K
K
K
K
K
K
K
EN PBM 20÷40 77