Service Handbook

Condensing Models: On-Demand Water Heater Service Handbook • 21
TROUBLESHOOTING
Outdoor model 140 (T-H3M): Propane
*SeƫŶŐƐ are ŶŽƚ liƐƚed ŝŶ ƚŚĞ /ŶƐƚallaƟŽŶ ŵĂŶƵĂů ĂŶĚ ŽǁŶĞƌΖƐ ŐƵŝĚĞ ŽĨ 140 (T-H3M) ŵŽĚĞů
ΎΎ/Ĩ ĂŶĂďŶŽƌŵĂů ƐŽƵŶĚ prŽďůĞŵ perƐŝƐƚƐ evĞŶ ǁŝƚŚ "Level 3" ƐeƫŶŐ, ƉůĞĂƐĞ cŽŶƚĂĐƚ ŽƵƌ TĞĐŚŶŝcal
Service ĞƉĂƌƚŵĞŶƚ ĨŽƌ ĂĚǀŝĐĞ EŽƚe ƚŚaƚ ƚŚĞre are maŶy ŚŝŐŚ ƌŝƐkƐ ĂƐƐŽĐŝaƚed ǁŝƚŚ ŵĂŶƵĂůůLJ
ĐŚĂŶŐŝŶŐ ŵĂŶŝĨŽůĚ prĞƐƐƵrĞ
ELEVATION LEVEL
DIPSWITCH SETTINGS
OUTPUT
REDUCTION
NO.3 NO.4 NO.5
0 (DEFAULT)
2,000 Ō
0
(DEFAULT)
OFF OFF OFF N/A N/A
1*
OFF ON OFF N/A 6 %
2,000 ƚŽ
4,000 Ō
2
OFF OFF ON -6 % 10 %
4,000 ƚŽ
6,000 Ō
3**
ON OFF ON -9 % 14 %
Over 6,000 Ō
4
ŽŶƐƵůƚ ŽƵƌ TĞĐŚŶŝcal SerǀŝĐĞƐ ĞƉĂƌƚŵĞŶƚ
Special ĨƵŶĐƟŽŶΎ ON OFF OFF N/A -7%
Outdoor model 140 (T-H3M) : Natural gas
ELEVATION LEVEL
DIPSWITCH SETTINGS
OUTPUT
REDUCTION
FAN MOTOR
SPEED
CHANGE
NO.3 NO.4 NO.5
0 (DEFAULT)
2,000 Ō
0
(DEFAULT)
OFF OFF OFF N/A N/A
1*
OFF ON OFF N/A 6 %
2,000 ƚŽ
4,000 Ō
2
OFF OFF ON -6 % 10 %
4,000 ƚŽ
6,000 Ō
3**
ON OFF ON -9 % 14 %
Over 6,000 Ō
4
ŽŶƐƵůƚ ŽƵƌ TĞĐŚŶŝcal SerǀŝĐĞƐ ĞƉĂƌƚŵĞŶƚ
Special ĨƵŶĐƟŽŶΎ ON OFF OFF N/A -7%
Ύ^ĞƫŶŐƐĂƌĞŶŽƚůŝƐƚĞĚŝŶƚŚĞ/ŶƐƚĂůůĂƟŽŶŵĂŶƵĂůĂŶĚŽǁŶĞƌΖƐŐƵŝĚĞŽĨϭϰϬ;dͲ,ϯDͿŵŽĚĞů
ΎΎ/ĨĂŶĂďŶŽƌŵĂůƐŽƵŶĚƉƌŽďůĞŵƉĞƌƐŝƐƚƐĞǀĞŶǁŝƚŚΗ>ĞǀĞůϯΗƐĞƫŶŐƉůĞĂƐĞĐŽŶƚĂĐƚŽƵƌdĞĐŚŶŝĐĂů
^ĞƌǀŝĐĞĞƉĂƌƚŵĞŶƚĨŽƌĂĚǀŝĐĞEŽƚĞƚŚĂƚƚŚĞƌĞĂƌĞŵĂŶLJŚŝŐŚƌŝƐŬƐĂƐƐŽĐŝĂƚĞĚǁŝƚŚŵĂŶƵĂůůLJ
ĐŚĂŶŐŝŶŐŵĂŶŝĨŽůĚƉƌĞƐƐƵƌĞ
FAN MOTOR
SPEED
CHANGE
Table 7: Altitude-Specific DIP Switch Settings (Outdoor Models)
See DIP switch graphics on page 19.