Rinnai EX22C Specifications download pdf (Page 14)

• Daily schedule:

• Occupants wake at 5am

• Home is empty from 9am until 4pm

• Occupants are asleep from 11pm until 5am

12am

2am

4am 2pm 12noon 8am 6am 4pm 8pm 10pm 6pm

10am 12am

Timer 1

70°F temp is

maintained

• Operation temperature is set to 70°F

• Timer 1 is set from 5am to 9am

• Timer 2 is set from 4pm to 11pm

• Setback is set to 66°F

Timer 2

70°F temp is maintained

Between timer events, the Setback

temperature of 66°F is maintained

Between timer events,

the Setback temp of

66°F is maintained

Setback allows a minimum temperature to be pre-set and maintained between timer events

or while the unit is turned off

• This feature’s primary function is to slightly reduce the temperature (and gas usage) during

extended periods of nonuse or inactivity—such as sleeping or when the home is empty

• NOTE: When this feature is used as a setback function for energy savings, it is not advisable to reduce

setback more than 4-6°F from the regular set point. This could cause the ENERGYSAVER® to use

more gas to return to the set point and cancel any savings achieved

• This feature can also be used as frost protection during longer periods of vacancy (such as

in a second home). For this use the setback temperature can be set as low as 38°F

• Even when off, if the setback feature is engaged, the setback temperature will be maintained

• If power is lost and setback is ON, it will be ON at the resumption of power

The following example shows how, when used together, the timer and setback functions can

maximize comfort and efficiency

Clock, Timer, and Setback Functions

(C-Series)

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Rinnai EX22C Specifications Page 14