A.O. Smith Cyclone XL 100 Series User Manual

14
2" GAS INLET
PORT #2: SUPPLY-GAS
PRESSURE TEST PORT
OFF-SET ADJUSTMENT
UNDER SCREW COVER
THROTTLE ADJUSTMENT
UINDER BLUE COVER
GAS PRESSURE
TEST PORT
Figure 10. Gas Control Valve Assembly
3. BLOCKED AIR INTAKE
ADVANCED
BACK
B
locked
A
ir
I
ntake
0 days 0 hrs 0 mins ago
Error Code:
A7-1201
Restriction in air intake.
Check intake pipe and
termination for blockage.
Press the Advanced button for
CAUSES:
• The Blocked Air Intake Switch has detected a possible
restriction in the air intake pipe.
CHECK/ REPAIR:
• Check pipe for restriction or excessive equivalent length.
• See Instruction Manual for pipe size, length and maximum number of elbows.
• Check actual pipe pressure with a manometer during blower operation.

A.O. Smith Cyclone XL 100 Series Specifications

General

Brand	A.O. Smith
Model	Cyclone XL 100 Series
Category	Water Heater
Language	English