Honeywell CHRONOTHERM III T8611G manual

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Table of contents for the manual

  • Page 1

    J.H. • 3-92 • © Honeywell Inc. 1992 • Form Number 69-0348—1 T8611G,R Chr onotherm III Fuel Sa v er Thermostats TABLE 1—Thermostat Models. Thermostat Stages Switching LEDs Changeover Terminals Comments See Fig. Heat Cool System Fan T8611G 2 1 EM.HEAT- ON- EM.HT, Auto R, C/X, L, — 4 HEAT-OFF- AUTO AUX.HT. W 2 ,E,G,O, AUTO-COOL B,Y, X 2 ,[...]

  • Page 2

    2 by— —drafts or dead spots behind doors, in corners or under cabinets. —hot or cold air from ducts. —radiant heat from sun or appliances —concealed pipes and chimneys. —unheated (uncooled) areas behind the thermostat, such as an outside wall. IF REPLACING AN EXISTING THERMOSTAT Turn off power to thermostat at furnace or heat pump. A tw[...]

  • Page 3

    Fig. 4—T8611G 2-stage heat/1-stage cool thermostat. POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. DENOTES THERMOSTAT TO SUBBASE INTERCONNECT. POSSIBLE CHECK LED CIRCUITS: M 6020 MONITOR AUXILIARY HEAT RELAY HEAT 2 L1 (HOT) L2 HEAT OFF AUTO SYSTEM SWITCH AUTO ON FAN SWITCH 1 EMERGENCY HEAT RELAY FAN RELAY CHANGEOVER R[...]

  • Page 4

    4 Fig. 5—T8611R 2-stage heat/1-stage cool thermostat. M 6019 MONITOR AUXILIARY HEAT RELAY HEAT 2 L1 (HOT) L2 HEAT OFF COOL SYSTEM SWITCH AUTO ON FAN SWITCH 1 STAGE 1 HEAT RELAY EMERGENCY HEAT RELAY FAN RELAY CHANGEOVER RELAY (HEAT) COMPRESSOR CONTACTOR DEFROST CONTROL EM. HT. COOL CHANGEOVER RELAY (COOL) AUX. HEAT LED (GRN) EM. HEAT LED (RED) HEA[...]

  • Page 5

    56 9 - 0348—1 Fig. 6—T8611R 2-stage heat/1-stage cool thermostat. Exact replacement for York model no. 2ET11700224. MONITOR AUXILIARY HEAT RELAY HEAT 2 L1 (HOT) L2 HEAT OFF AUTO SYSTEM SWITCH AUTO ON FAN SWITCH 1 STAGE 1 HEAT RELAY EMERGENCY HEAT RELAY FAN RELAY CHANGEOVER RELAY (HEAT) COMPRESSOR CONTACTOR EM. HT. COOL CHANGEOVER RELAY (COOL) E[...]

  • Page 6

    Fig. 9—Mounting the thermostat on subbase. When the batteries are low, the display will flash REPL BAT. Homeowner will have 20-30 seconds to replace batter- ies after removing batteries from thermostat. After 20-30 seconds, it will be necessary to reprogram. REPL BAT indication will be disappear when thermostat is mounted back on the powered subb[...]

  • Page 7

    76 9 - 0348—1 mask no. and System Press Look for this Switch This Response Position Key Key Down Key Released OFF 03 Blank 07 Blank 15 Blank COOL or 15 Cooling, fan and 15 Cooling, fan and OFF 06 Blank 02 Blank 05 Blank 04 Blank 01 Blank 00 Blank 12 See note A OFF 08 Blank 13 Microprocessor 09 Blank 14 Blank HEAT or 14 14 14 14 OFF 10 Blank 11 EN[...]

  • Page 8

    Home and Building Control Home and Building Control Helping You Control Your World Honeywell Inc. Honeywell Limited—Honeywell Limitée 1985 Douglas Drive North 740 Ellesmere Road Golden Valley, Minnesota 55422 Scarborough, Ontario M1P 2V9 QUALITY IS KEY Second Clock Digit (Hrs.) Degrees 01 2 F 11 2 C 42 4 F 52 4 C 4-DIGIT CODE EXPLANATION Printed[...]