2-13
BOILER SYSTEMS AND OPERATION
VFC 15-150 - VFC 45-225 MODULATING GAS BOILERS
18.
upon completion of the input of load parameters, use the left button to step
back through the menu system to return to the operating status screen.
19.
to enact the control arrangements as input, it is necessary that the piping
structure and system wiring are configured appropriately
(refer to Section
1.6.2 Installation Rules, page 1-20 for piping layouts and the Wiring
Schematics on pages 6-7 and 6-8).
ensure that dHW aquastat or thermistor
probe leads, thermostat and pump (or zone valve) leads are connected at
their respective contact points on the terminal block.
20.
Forced shutdown: – use the
Heat Load Configuration
screen to switch off
load(s) to remove a call for heat, if no other means are readily available.
Simple removal of power to boiler is to be avoided – this interrupts
the moisture management routine.
treat the unit as you would treat a
computer, allowing an orderly shutdown.
Summary of Contents for VFC 15-150
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