Rinnai RS100 Installation Manual Page 28

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28
Some DHW parameters are accessible but should never be adjusted. This is indicated with N/A at the
description. Ensure factory settings are always maintained at these parameters
DHW parameters that are available at the user level are indicated below
This chapter is not available on combi boilers or if there is no sensor at terminals 16 and 17 (DHW priority)
PARA
Description Range / Explanation
Factory
Setting
User
Access
1
DHW economy
(nighttime
setback) temp
50
°F to DHW
max
temp
(PARA 6)
Temp for DHW during night time
setback.
100°F Yes
NOTE: 100°F=Default at shipment, 68°F=Default at System Reset
2
DHW Legionella
Protection
OFF
No
Legionella protection
Monday
Yes
Mo
-Su, ALL
One day
only or every day (ALL)
3
DHW Legionella
time of operation
0:00 to 23:00
This is no
t available if PARA 2 is
OFF
2:00
(am)
No
4
DHW Legionella
operation temp
50
°F to DHW
max
temp
(PARA 6)
This is
not available if PARA 2 is
OFF. Do not adjust lower than
140
°F
149°F No
16 N/A
N/A
This should not be altered
131°F Yes
DHW Parameters
6 DHW max temp
68
°F to 176°F
This overrides
boiler PARA 31. 149°F No
NOTE: This value will go to 203°F but the boiler will never eclipse 176°F; NOTE: During a split load between
heat and DHW, the supply temp is based on DHW needsdo not use on direct-coupled in-floor radiant systems
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