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           O M N I S T A T 

 
 
 
 

ELECTRONIC COMMUNICATING THERMOSTAT 

 

Owner's Manual 

 
 

RC-112B / RC-112BZ 

Two Speed Heat Pump

 

3 Stage Heat / 2 Stage Cool

 

With Energy Efficient Control

 

 
 
 
 

Document Number 13R00-5 

May, 2007 

AUTO

DAY

COOL

:

P

Summary of Contents for OMNISTAT RC-112

Page 1: ... N I S T A T ELECTRONIC COMMUNICATING THERMOSTAT Owner s Manual RC 112B RC 112BZ Two Speed Heat Pump 3 Stage Heat 2 Stage Cool With Energy Efficient Control Document Number 13R00 5 May 2007 AUTO DAY COOL P ...

Page 2: ...d found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules This product generates and can radiate radio frequency energy Due to its low power design it is unlikely to interfere with radio and TV communications If it is suspected of doing so the user is encouraged to try to correct the problem by reorienting the receiver s antenna moving the receiver away fr...

Page 3: ...N 1 DESCRIPTION 1 MAINTENANCE 1 OPERATION 4 DISPLAY 7 FILTER REMINDER 9 ANTICIPATION 9 SETTING THE CURRENT TIME AND DAY 10 PROGRAMMING 11 SETTING TIME SCHEDULES 12 DAY NIGHT MODE 13 SYSTEM MODE 13 AUTOMATIC TIME UPDATE 14 ...

Page 4: ...lity of being controlled both locally and by remote control It offers programmability stand alone operation and robust communications with automation systems utility control systems and personal computers There are several items that can be configured at the time of installation These items have a check box for your installer to indicate which features are used in your system As an EPA ENERGY STAR...

Page 5: ...und or in a water well These are called air source ground source or water source heat pumps respectively The RC 112 is capable of controlling all of these types of heat pumps The RC 112 controls two stages or speeds on your heat pump both in heating and in cooling mode This results in quiet efficient low speed operation under mild weather conditions with added high speed power when needed for hars...

Page 6: ...er heat pumps should not be set back for periods of time less than 4 to 6 hours The RC 112 has microprocessor intelligence that continually monitors the performance of the heat pump and uses the auxiliary heat only when necessary If the RC 112 determines that the heat pump is able to heat at a rate of 5 degrees per hour or better the auxiliary heat will not be used If the heat pump is unable to he...

Page 7: ...at will guide you through normal operation of your thermostat 2 Hold Press the Hold key to set the system into Hold mode In Hold mode the thermostat will not change its settings by program When hold mode is first turned on the RC 112 will use the auxiliary heat to get to the heat setting as quickly as possible Once the temperature is at or very near the heat setting or if the temperature is alread...

Page 8: ... the cooling system responds to maintain your desired cooling setting In Auto mode your thermostat will automatically switch between heat and cool to maintain your desired heating and cooling settings In Emergency Heat mode displayed as EM HEAT the thermostat will turn off the heat pump and use the auxiliary heating to maintain the temperature setting This mode should only be used if the heat pump...

Page 9: ... 8 Aux Heat Indicator The AUX HEAT indicator green glows when the auxiliary heat is on 9 Check Indicator The CHECK indicator red may be used to indicate a malfunction of the heat pump or for some other condition Your installer will explain its use Note To check your desired setting without changing it press the up or down arrow key or once ...

Page 10: ...ngs 2 Time Display Shows the current time of day 3 DESIRED DESIRED is displayed when the temperature display shows the desired temperature setting 4 OUTSIDE OUTSIDE will be displayed when the temperature display shows the outdoor temperature The outdoor temperature will be displayed every 4 seconds FAN AUTO MORN DAY EVE NITE REMOTE HOLD EM HEAT OFF COOL OUTSIDE DESIRED A ...

Page 11: ...ayed when in automatic changeover mode 8 HEAT HEAT is displayed when the system is in Heat mode EM HEAT is displayed when the Emergency Heat is on 9 FAN FAN is displayed when the fan is set to run continuously 10 OFF OFF is displayed when the system is in the Off mode 11 REMOTE REMOTE is displayed when the last command received by the thermostat was sent by a remote system 12 Period Indicators MOR...

Page 12: ... the need to turn the system on or off before the temperature is actually at the setting As humans we perceive temperature as a combination of heat in the air and heat radiated from the walls and surroundings The thermostat also measures a combination of air and wall temperature When heating the air temperature rises faster than the wall temperature The thermostat will turn the heat off briefly to...

Page 13: ...nk 1 Use the arrow keys to change the hour 2 Press the Prog key to advance to minutes 3 Use the arrow keys to change minutes 4 Press the Prog key to advance to day of week 5 Use the arrow keys to set the day of week 1 Monday 7 Sunday Press the Mode key when complete or simply wait 8 seconds for the display to return to normal ...

Page 14: ...lly exit programming mode after 20 seconds of no key activity When programming a time for the Morning Day Evening or Night period the time will be increased or decreased in 15 minute increments If the up arrow is pressed at 11 45 PM or the down arrow is pressed at 12 00 AM the time display will be blank indicating that no scheduled temperature changes will be made for that period Your thermostat w...

Page 15: ...sh 1 Use the arrow keys to change the scheduled time for the displayed period MORN DAY EVE or NITE 2 Press the Prog key to advance to the next item 3 Use the arrow keys to change the desired cool setting 4 Press the Prog key to advance to the next item 5 Use the arrow keys to change the desired heat setting 6 Press the Prog key to advance to the next period ...

Page 16: ... can use the arrow keys to override the temperature settings or press the Hold key to prevent any future remote changes Follow the procedure shown in Programming Mode to change the programmed DAY and NITE settings SYSTEM MODE Your thermostat can be connected to an automation system or personal computer With network software the remote system can send commands to the thermostat to change mode cool ...

Page 17: ... POWER OUTAGES The thermostat will restart the heating cooling system 3 to 8 minutes after the electricity comes back on All settings and programs are stored permanently and will not be affected by a power outage CLOCK The thermostat clock is maintained for approximately 25 minutes during an electrical outage ...

Page 18: ...sed to plan changes to the current schedule WEEKDAYS SATURDAYS SUNDAYS MORN 6 00 AM 8 00 AM 8 00 AM COOL 78 78 78 HEAT 70 70 70 DAY 8 00 AM COOL 85 85 85 HEAT 62 62 62 EVE 6 00 PM COOL 78 78 78 HEAT 70 70 70 NITE 10 00 PM 11 00 PM 10 00 PM COOL 82 82 82 HEAT 62 62 62 WEEKDAYS SATURDAYS SUNDAYS MORN COOL HEAT DAY COOL HEAT EVE COOL HEAT NITE COOL HEAT ...

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Page 20: ...in this warranty are the sole and exclusive remedies therefor In no event shall HAI be liable for incidental expenses or consequential loss or damages Any implied warranties including warranties of merchantability and fitness for particular use or purpose is limited to a period of two 2 years from purchase date This warranty gives you specific legal rights and you may have other legal rights which...

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