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Thermostat configuration
To configure the settings for the thermostat:
1.
Press and release the 'System' key.
2.
Press 'System' and 'Done' keys simultaneously and hold keys for approximately five seconds—until the screen changes.
3.
When the display changes, release the keys—the thermostat will display the first setup setting 0120.
4.
Use the up and down keys to change the settings and select Next to go to the next step (you can also press Go Back to
review and change the previous setup number).
5.
Once the system has been configured, press Done to save the settings.
There are 42 possible thermostat setup numbers and four installer tests. For the purposes of this installation guide we have
listed only those that are relevant to the Rinnai iHeat system. These are categorised as follows:
-
Must not alter
-
Must set to
For numbers that display, but are not listed in the table (0610, 0660, 0690, 0695 etc.), select 'Next'—these are not required to
setup the iHeat.
Setup
Setting
number
0120
Date - year, first two numbers
0130
Date - year, last two numbers
0140
Date - month
0150
Date - day
0160
Schedule options
0170
System selection
0185
Preoccupancy purge duration
(refer p. 8 for further
information)
0220
Cycles per hour (CPH)
0240
CPH for first stage heat
0280
Continuous backlight
0320
Temperature setting
0330
Daylight saving
0340
Changeover input
0347
Fan ramping
6 | iHeat thermostat installation guide: 12064-A 01-13
-
Rinnai recommend
-
Installer/homeowner to decide
Default
Settings available
setting
20
20-21
08
00-99
6
1-12
15
1-31
4
0 = non-programmable
4 = programmable
1
8
0
0 = no duration
1 = one hour
2 = two hours
3 = three hours
3
6
5
6
0
0 = no
1 = yes
0
0 = °F
1 = °C
0
0
1
0
3
1
1 = enabled
Notes
20: For years 20xx
21: For years 21xx
If you wanted the year 2015 you would use the up and
down keys to display 15.
For the 1st of the month to the 31st of a month
Thermostat is non-programmable
Thermostat is fully programmable
Must use this setting for correct iHeat operation
0185 is shown only if 4 is selected in 0160
Starts per hour, MUST be the same as 0240
Starts per hour, MUST be the same as 0220
Disabled
Enabled for US daylight saving
MUST BE SET TO 3
DO NOT ALTER
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