Honeywell 3355 - Manuals

6 69-1012 Step 2: Remove Old Thermostat ■ ■ Test to make certain that your heating andcooling systems are working properly. Ifeither does not work, contact your localheating/air conditioning dealer. To avoidcompressor damage, do not operate thecooling system when outdoor temperature isbelow 50 ° F (...

7 69-1012 Replacing a Clock Thermostatthat has C or C1 Clock Terminals? If you are replacing a Honeywell Chronotherm®Thermostat, you can find one or two wires thatgo to the C or C1 clock terminals on theChronotherm® Thermostat wiring wallplate. Donot allow them to touch, or you may damageyour transf...

8 69-1012 Step 3: Install Batteries IMPORTANT Batteries must be installed forprogramming and operation of thethermostat and heating/coolingsystem. ■ ■ Purchase two AA alkaline batteries; non-alkaline batteries do not last as long, andcan leak, causing damage to the thermostator the wall surface. We ...

10 69-1012 Step 4: Program Thermostat After the batteries are installed, the thermostatcan be easily programmed in your hand, beforeit is installed on the wall. If you prefer to program the thermostat after itis installed on the wall, skip to page 18, andreturn later to this programming section. The...

12 69-1012 Personal Programming Chart Heating Program Weekdays Start Time Heating Temperature WAKE LEAVE RETURN SLEEP Weekends WAKE SLEEP WAKE and RETURN start times should include extra lead time based on outside temperatureand furnace response time, to give your furnace a head start to heat the ho...

14 69-1012 This guide can be used for programming your new thermostat. NOTE: Batteries are required for operation and programming. When inserting batteries, setsystem switch to OFF. Remove the battery door (on the thermostat left side) using a coinat the bottom. Follow instructions on pages 8 and 9....

15 69-1012 Press to program WAKE time and press to program WAKE temperature for Mon-Fri. Repeat sequence for LEAVE, RETURN, and SLEEP. Press until SAT SUN, WAKE and SET appear on the display. Press to program WAKE time and to program WAKE temperature for Sat-Sun. Repeat sequencefor SLEEP. Cooling Pr...

17 69-1012 Check Programs— press , repeatedly to view each time and temperature; then press . Cancel a program— press , until program to cancel shows; then press . Check Usage — Press for length of time heat or air conditioning has been running todaysince midnight; press again for yesterday’s usage,...

18 69-1012 Step 5: Adjust Fan Operation Switch, as Required ■ ■ The thermostat fan operation switch,labeled FUEL SWITCH (see illustration onpage 20) is factory-set in the F position. Thisis the correct setting for most systems. If your system is an electric heat system, setthe switch to E. The E set...

21 69-1012 Step 7: Mount Thermostat Mounting Plate ■ ■ Position the mounting plate on the wall. Usea level to make sure the mounting plate islevel. Use a pencil to mark the twomounting holes. ■ ■ Remove the mounting plate from the wall,and drill 3/16-inch holes in the wall (ifdrywall) as marked. For...

23 69-1012 Step 8: Wire Thermostat Terminals NOTE: All wiring must comply with localcodes and ordinances. If unsureabout household wiring procedures,call your local heating/air conditioningcontractor. Refer to masking tape labels you placed on thewires when you removed your old thermostat. ■ ■ Match...

27 69-1012 Step 9: Mount Thermostat NOTE: To remove the thermostat from thewall, first pull out at the bottom of thethermostat, then remove the top. M1734A B. PRESS LOWER EDGE OF CASE TO LATCH. SWING OPEN COVER TO CHECK OPERATION. A. ENGAGE TABS AT TOP OF THERMOSTAT AND MOUNTING PLATE. C.

28 69-1012 Step 10: Check Thermostat Operation after Programming and Installing Heating Do not check heating system operation by jumpering thermostatterminals at the primary controlsuch as the gas valve, zone valve,or oil burner control. This damagesthe thermostat, instead, jumper Rand W wires at th...

29 69-1012 Cooling To avoid possible compressordamage, do not operate the coolingsystem when outside temperatureis below 50 ° F (10 ° C). See compres- sor manufacturer instructions forfurther information. NOTE: When cooling setting ischanged, thermostat maydelay up to five minutesbefore turning on t...

30 69-1012 Step 11: Set Fan and System Switches First set the fan switch. FAN AUTO: Normal setting for most homes. A single-speed fan turns on automatically withthe air conditioner or furnace. A two-speed fanusually runs on high with the air conditionerand on low with the furnace.Exception: If the f...

32 69-1012 Troubleshooting Guide If… Then… Display will not come on. ■ Set the system switch to OFF. Remove batteries. Insertbackward for at least five seconds to reset thermostat.Replace batteries correctly. Display should come on. ■ Make sure batteries are fresh and installed correctly. ■ Gently c...

33 69-1012 Heating will not come on.(Continued) ■ Jumper wires R and W. If heat does not come on, contactyour heating dealer. ■ If display is blank or shows bAt Lo, install fresh batteries. ■ If temperature setting is higher than current temperature,and the display shows HEAT, contact HoneywellCusto...

34 69-1012 Cooling will not come on.(Continued) ■ If temperature setting is lower than the currenttemperature, and the display shows COOL, move thesystem switch from COOL to OFF for ten minutes. Afterten minutes, return the switch to the COOL position. If theair conditioner comes on, compressor may ...

39 69-1012 Limited One-Year Warranty Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under normal use and service, for aperiod of one (1) year from the date of purchase by the consumer. If, at any time during the warranty period, the produ...

40 69-1012 69-1012 6-96 J.S. Printed in U.S.A.Copyright © 1996 Honeywell Inc. All Rights Reserved ® U.S. Registered Trademark Helping You Control Your World Home and Building Control Honeywell Limited-Honeywell Limitée 155 Gordon Baker Road North York, Ontario M2H 2C9 Home and Building Control Honey...