Rinnai Circ-Logic RU80e, Service Manual

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Condensing Water Heater Service Manual 56
KB Series Dip Switch Settings
KB Series Condensing
RU80i, RU80e, RU98e, RU98i
0
-
2000 ft
(0
-
610 m)
2001
-
5200 ft
(610
-
1585 m)
5201
-
7700 ft
(1585
-
2347 m)
7701
-
10200 ft
(2347
-
3109 m)
#2: OFF #2: OFF #2: ON #2: ON
#3: OFF #3: ON #3: OFF #3: ON
SW1 Bank
SW2 Bank (present on replacement PC boards only)
1
OFF
-
Propane Gas
ON
-
Natural Gas
2 OFF (Optional Temperature Table)
3 OFF (Optional Temperature Table)
4 OFF (Recirculation Pump)
5 OFF
6
ON for RU80
OFF for RU98
7 OFF
8 OFF (Recirculation
-
Insulation)
1
OFF
-
“Long Flue”
ON
-
“Short Flue” and Outdoor Models
2
Settings dependent on altitude
3
4 OFF (Air Handler)
5
OFF
-
120ºF fixed temperature without a controller
ON
-
140ºF fixed temperature without a controller
6
7 OFF (Units in standby with EZConnect™)
8 OFF
“Long flue” is defined as:
0 elbows and length is greater than 21 ft
1 elbow and length is greater than 15 ft
2 elbows and length is greater than 9 ft
* RU80i, RU80e, RU98e, RU98i models
have a default maximum temperature of
120º F (49º C) and an option to increase
the maximum temperature to 140 ºF (60
ºC). Temperature settings from 125
-
140
ºF (52
-
60 ºC) are available by setting dip
switch 6 to ON in the SW1 bank of 8 dip
switches.
OFF
-
120ºF maximum temperature
without an MCC
-
91
-
2 controller
ON
-
140ºF maximum temperature
without an MCC
-
91
-
2 controller