Overall View; Hydraulic Diagram - QHT RIVA FP Service Instructions Manual

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Second Part
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1

Overall View

2

Hydraulic Diagram

RIVA FP SERVICE MANUAL – REV A
M130.30CM
Air pressure
switch test points
Air pressure
switch
Primary heat
exchanger
Burner
Ignition
electrodes
Flame-detec
ting electrode
Gas valve outlet
pressure test point
Modulation
gas valve
Gas valve inlet
pressure test point
C.h. temp.
probe NTC
Primary circuit
flow switch
Maintenance Characteristic Verification
Fan
Combustion
chamber
C.h. PRV
Automatic air
purger valve
Modulation
operator
Pump
Pump vent plug
Safety
thermostat
Control
panel
fig. 2
M130.30CM - 1