SVC 810 Tankless Troubleshooting Manual
72
Flame Rods Safety device that detects
the presence of flame
Igniter Spark igniter that lights
the main burner
Thermistor(s) A thermistor is an
electronic thermostat.
There are four of them:
cold water inlet, hot water
outlet, heat exchanger and
ambient air. Shown is the
cold water inlet
thermistor.
Hot water Outlet Valve Valve that delivers the hot
water to the piping system
and measure the hot water
outlet temperature with the
aid of a thermistor.
Gas Inlet Connection Connection port – separate
from the gas valve – to
connect the incoming gas
supply.
Shown with supplied shut
off valve.
PCB (Printed Circuit Board) The control board that
processes all the inputs
required to make the
machine operate
To Next Page
Loading...
