Installation manual

Rinnai New Zealand Ltd. Continuous Flow Water Heater Installation Manual:
03-11
26
Dip switch settings
Applicable models and REU-numbers
Rinnai Innity EF250 External REU-KM3237WD
Rinnai Innity EFi250 Internal REU-KM3237FFUD
Dip Switch 1: Upper SW(8P)
SW No. Note
1 Flue settings Off
EF250 Ext & EFi250 Int long
ue (p. 6)
On
EFi250 Internal short ue
(p. 6)
2
Fixed temperature
(with controllers)
Off Fixed temperature On With controllers
3
4
5
Temperature settings See Chart A
6 Not in use Factory setting is ‘Off’
7
Gas pressure
Off
Normal
On
Forced min.
On
Forced max.
8 Off Off On
Chart A: Temperature Settings
Dip.SW.1-SW No.(8P) SW No.2 = Off
(xed temperature)
SW No.2 = On
(with controllers)
3 4 5 No controllers
(xed temp.)
No controllers
(xed temp.)
With controllers
(max. set temp.)
Off Off Off 55 55 55
On Off Off 75 55 75
Off On Off 65 55 65
On On Off 60 55 60
Off Off On 50 50 50
On Off On 42 42 42
Off On Off 95 40 40
On On On 85 55 75
Dip Switch 2: Lower SW(6P)
SW No. Note
1
Gas type settings
Off
LPG
On
NG
2 Off Off
3
Type settings
Off
External
Off
Internal
4 Off On
5 Automatic return Off Inactive On Active
6 External device Off S-BMS On AH
On
Off