A.O. Smith Cyclone Xi User Manual

CYCLONE Xi COMMERCIAL GAS WATER HEATER
BTH 120 thru 500 SERVICE HANDBOOK
A.O. Smith – Technical Training Department 31 Ashl
and City, Tennessee © 2009
Servicing should only be performed by a Qualified Service Agent 316586-000
CONTROLS – GAS VALVE , ORIFICE CHART– BTH 500
The gas control valve has a built in field
adjustable pressure regulator. The regulator
may be adjusted by removing the cap screw
marked “regulator”. The adjustment screw is
underneath. The gas valve for the BTH 500
Natural gas model is shown above. This is
a 24V. solenoid operated gas valve.
Refer to the replacement parts information at
the back of this manual for part numbers for
Natural and LP gas valves for all BTH 500
models.
ORIFICE CHART – BTH 500
Model 500
Natural .347“
LP .241“
24V
Solenoid
connection
Manual Gas
Control Knob

A.O. Smith Cyclone Xi Specifications

General

Brand	A.O. Smith
Model	Cyclone Xi
Category	Water Heater
Language	English