User manual HONEYWELL T7512C

[. . . ] Programmable Load Controller USER'S GUIDE Weekday/Weekend (5-day/Saturday/ Sunday) Programmable Heat and/or Cool Conventional and Heat Pump Time-of-Use Pricing T7512A, B, C 1 TM Honeywell Scientific Atlanta 69-1003-1 69-1003--1 Welcome to the world of comfort and energy savings with your new Scientific Atlanta/ Honeywell SuperStat thermostat. This thermostat allows full weekday/weekend programming so that you can set the thermostat to control the temperature in your home according to your personal schedule and preferences. When programmed according to the instructions in this guide, the features available with this thermostat will not only keep you comfortable, but will also save you energy. In addition to being programmable, this thermostat also contains a communications module. [. . . ] Press the WARMER or COOLER keys to set the weekday WAKE temperature from your Personal Programming Charts. Repeat the above sequence for the other weekday schedules: LEAVE, RETURN, and SLEEP. Press the WEEKEND SCHEDULE key until SAT, WAKE and SET appear on the display. Set the WAKE, LEAVE, RETURN and SLEEP schedules for Saturday just as you did for the weekdays. 11 Press the WEEKEND SCHEDULE key again so that SUN, WAKE and SET appear on the display. Set the WAKE, LEAVE, RETURN and SLEEP schedules for Sunday just as you did for the weekdays and Saturday. Enter Offset Values Enter the offset for each Time-of-Use Pricing rate using the OFFSET key. You can enter offset numbers only if you are a subscriber to Time-of-Use Pricing. The offset you enter is the number of degrees you are willing to allow the heating or cooling temperature you have already programmed for 69-1003--1 normal operation to change so you can save money at each rate. For example, if you normally want your home heated to 72° when rate 1 is in effect, but are willing to let your home cool to 70° when rate 2 is in effect, your heating offset for rate 2 is -2 (72° -2° = 70°). The first time you press the OFFSET key, the offset for rate 1 is displayed (note the indicator on the thermostat display as shown in Fig. After you have entered the last offset value, press the RUN PROGRAM key. Entering a Cooling Schedule Press the SYSTEM key until the thermostat displays the word COOL to indicate you are in the cooling mode. Enter cooling temperatures for the WAKE LEAVE, RETURN and SLEEP times by following the same instructions as for Entering a Heating Schedule above. If you subscribe to Time-of-Use Pricing, enter offsets for the cooling season as you did for the heating season. 12 69-1003--1 Step 3--Set the System and Fan Controls After programming the thermostat, set the system and fan controls as follows: The status of the system is as follows when the associated indicator is displayed: The thermostat will control your heating system according to the schedule you programmed (heat pump in heating mode). COOL: The thermostat will control your air conditioning system according to the schedule you programmed (heat pump in cooling mode). No status Both the heating and air conditioning displayed: systems are off (heat pump off). HEAT: System Control If you have a conventional heating/cooling system, the system can be set to: HEAT, COOL or OFF. Each time you press the key, the system status changes to the next setting. 13 69-1003--1 Fan Control There are two fan settings: AUTO and ON. Each time you press the key, the fan status changes to the next setting. Use this setting for improved air circulation during special occasions or for more efficient electronic air cleaning. When nothing is displayed, the fan is set to come on with the heating or cooling equipment as needed. AUTO is the normal setting for most 14 homes and allows a single-speed fan to turn on automatically with the air conditioner or furnace. [. . . ] You will need two AA alkaline batteries; nonalkaline batteries will not last as long, and may leak, causing damage to the thermostat or the wall surface. Make sure positive and negative terminals are oriented correctly. · Replace the battery door. INSTALL TWO AA ALKALINE BATTERIES AS SHOWN M7905 M1719C REMOVING BATTERY DOOR 21 69-1003--1 TROUBLESHOOTING GUIDE IF. . . Display will not come on. Temperature display will not go lower than 45°F or higher than 88°F during programming. Check fuse or circuit breaker. · You have reached the temperature setting limit. [. . . ]