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
Содержание SVC 810
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Страница 22: ...SVC 810 Tankless Troubleshooting Manual 21 RTG2 42 Wiring Diagram ...
Страница 23: ...SVC 810 Tankless Troubleshooting Manual 22 Printed Circuit Board ...
Страница 24: ...SVC 810 Tankless Troubleshooting Manual 23 RTG 53 Wiring Diagram RTG 53 ...
Страница 25: ...SVC 810 Tankless Troubleshooting Manual 24 Printed Circuit Board RTG 53 ...
Страница 26: ...SVC 810 Tankless Troubleshooting Manual 25 RTG 66 Wiring Diagram ...
Страница 36: ...SVC 810 Tankless Troubleshooting Manual 35 Printed Circuit Board RTG 74 ...