69
TROUBLESHOOTING
WA
TER HEA
TER INSPECTION AND MAINTENANCE SCHEDULE
(CONTINUED)
I
n
spectio
n
Activities
Date last co
m
pleted
CONDENSA
TE
1ST YEAR
2 YEAR
3 YEAR
4 YEAR*
Condensate Neutralizer
Check condensate neutralizer
, replace
m
edia if necessary
.
Condensate Piping
Disconnect piping
, clean out dirt or any o
b
struction
b
y vacuu
m
ing out line - O
b
serve the fl
ow
of
condensate to assure that there are no o
b
structions.
GAS
P
ressure Measure
inco
m
ing gas pressure (fro
m
3.5" to 14" W
.C.)
P
ressure Drop
Measure drop in pressure on light off (no
m
ore than 1" W
.C.)
Check gas pipe for leaks
Check piping for leaks, and verify they are all properly supported
COMBUSTION
Check CO/CO2 L
evels
Check levels of CO and CO2 as outlined in P
art 7: Section 7-3 to assure the unit is running at
opti
m
u
m
effi
ciency
.
Fla
m
e P
ro
b
e and Spark Gap
Clean P
ro
b
es with scotch
b
rite to take oxides off of surface that
m
ay affect the perfor
m
ance. Check
the Spark Gap as referenced in the
m
anual pg
.59 for natural gas unit – The LP units spark to the
b
urner directly
.
W
ater P
ressure Switch
Check operation, check for signs of leakage, replace if corroded
SAFETIES
Low W
ater Cut
-Off
Check low water cut
-off
b
y pulling lead off of pro
b
e - you should see an “FOU” F
ault code on the
display
. T
o
reset; Reconnect P
ro
b
e and press “reset
” to resu
m
e nor
m
al operation. If unit does not
show a fault, check wiring and pro
b
e for
m
aterial
b
uild-up - clean if necessary
.
W
ater P
ressure Switch
Check operation, check for signs of leakage, replace if corroded
Sensors
Check wiring
, verify through oh
m
s reading
. Check clip on sensor
. Check position and connection.
FINAL INSPECTION
Check List
V
erify that you have co
m
pleted the entire check list W
ARNING
: F
AIL
URE T
O
DO SO COULD RESUL
T
IN DEA
TH OR SERIOUS INJUR
Y.
Ho
m
eowner
Review
, with the ho
m
eowner what you have done
* N
O
TE :
CO
NTIN
U
E MAINTENAN
C
E
B
EY
O
ND THE 4TH YEAR I
S
RE
QU
IRED
O
N A YEARL
Y
B
A
S
IS
.
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