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Honeywell Chronotherm III T8602A Installation Instructions Manual

Fuel saver thermostats
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Chronotherm
APPLICATION
These thermostats provide energy saving control for
24 Vac conventional heating/cooling system or 750 mV
heating and 24 Vac cooling as indicated in Table 1.
Power is supplied for the device by three AA alkaline
batteries (included). This allows the thermostat to be com-
patible with all control applications.
Cycle rates are adjustable for heating.
The TS8602 current rating in heating is 0.1A at 750 mV.
The current rating on all other models is 1.6A maximum,
up to 30 Vac.
Adaptive Intelligent Recovery™/Conventional Recovery
selection screw is included on the back of the thermostat.
Fan operation switch is included on the back of some
T8602C models to select either independent or direct
thermostat control of the fan in heating.
12/24 hour clock conversion and °C/°F conversion are
available on some models only.
Stages
Thermostat
Heat
T8602A
1
T8602B
1
T8602B
1
T8602C
1
T8602D
1
T8602C
1
TS8602A
1
a
TS8602C
1
a
Available only in Canada.
®U.S. Registered Trademark
Copyright © 1995 Honeywell Inc. •
T8602A,B,C,D and TS8602A,C
®
Table 1. Thermostat Models.
Switching
Cool
System
HEAT-OFF
1
HEAT-OFF-COOL
1
HEAT-OFF-COOL-AUTO
1
HEAT-OFF-COOL
1
HEAT-OFF-COOL
• All Rights Reserved
III Fuel Saver Thermostats
RECYCLING NOTICE
If this control is replacing a control that contains
mercury in a sealed tube, do not place your old
control in the trash. Contact your local waste
management authority for instructions regarding
recycling and the proper disposal of your old
control.
If you have any questions, call Honeywell Inc.
at 1-800-468-1502.
INSTALLATION
When Installing This Product...
Read these instructions carefully. Failure to follow
them could damage the product or cause a hazard-
ous condition.
Check the ratings given on the product to make sure
the product is suitable for your application.
Installer must be a trained, experienced service
technician.
After installation is complete, check out product
operation as provided in these instructions.
Allow thermostat to warm to room temperature
before operating.
Fan
ON-AUTO
ON-AUTO
ON-AUTO
ON-AUTO
ON-AUTO
X-XX UL
INSTALLATION INSTRUCTIONS
Application
Gas, oil or electric with independently
controlled fan.
Fan operation in heating selectable for
thermostat or independent control; with O
and B terminals for changeover control.
Millivolt heating system.
Millivolt heating and 24 Vac cooling
system.
69-0309-9

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  Summary of Contents for Honeywell Chronotherm III T8602A

  • Page 1 (included). This allows the thermostat to be com- control. patible with all control applications. If you have any questions, call Honeywell Inc. Cycle rates are adjustable for heating. at 1-800-468-1502. The TS8602 current rating in heating is 0.1A at 750 mV.
  • Page 2: Mounting Wallplate

    ® T8602A,B,C,D AND TS8602A,C Chronotherm III FUEL SAVER THERMOSTATS WALL CAUTION ANCHORS WALL Disconnect power supply to prevent electrical shock or equipment damage. WIRES THROUGH WALL OPENING Location Install thermostat and wallplate about 5 ft (1.5m) above the floor in an area with good air circulation at room temperature.
  • Page 3 ® T8602A,B,C,D AND TS8602A,C Chronotherm III FUEL SAVER THERMOSTATS FOR STRAIGHT HEATING-ONLY WALLPLATE FOR WRAPAROUND – INSERTION – STRIP 7/16 in. (11 mm) STRIP 5/16 in. (8 mm) RESTRICT WIRING TO THIS AREA VALVE RELAY FRONT VIEW OF TERMINAL AREA WIRING TO BE BELOW TOP SURFACE (HOT)
  • Page 4 PILOT GAS CONTROLLER REMOVE JUMPER AND CONNECT SENSE SUPPLY TERMINAL ON TWO ROD APPLICATION ONLY. M8600 Fig. 9. T8602A,B heating-only circuit in a Honeywell Intermittent Pilot Gas Burner Ignition System. ZONE 1 ZONE 2 ZONE 3 ZONE 4 HEATING ONLY WALLPLATE...
  • Page 5 DAMPER MOTOR Fig. 11. T8602A,B circuit for controlling Honeywell or compatible two-wire zone valves or dampers. Heating or cooling equipment is operated by an end switch on the zone valve or motor, or by a thermostat in a master zone.
  • Page 6: Setting And Adjustments

    ® T8602A,B,C,D AND TS8602A,C Chronotherm III FUEL SAVER THERMOSTATS HEATING-COOLING WALLPLATE RECOVERY SELECTION ADAPTIVE (FACTORY SETTING) INTELLIGENT ™ CONVENTIONAL OUT 1/2 TO 1 TURN RELAY RELAY COND. (HOT) EQUIP. OIL PRIMARY 3A 1A 1B 2A 2B (HOT) POWER SUPPLY. PROVIDE DISCONNECT MEANS M2926 AND OVERLOAD PROTECTION AS REQUIRED.
  • Page 7: Mounting The Thermostat

    ® T8602A,B,C,D AND TS8602A,C Chronotherm III FUEL SAVER THERMOSTATS With Adaptive Intelligent Recovery™, the room will reach IMPORTANT the comfort temperature at the exact time programmed The low battery warning will be displayed about into the thermostat. The control temperature will increase two months before the batteries are dead.
  • Page 8 ® T8602A,B,C,D AND TS8602A,C Chronotherm III FUEL SAVER THERMOSTATS RETURN HEAT ON TEMPERATURE PRESENT PROGRAM SETTING TIME SKIP PRESENT LEAVE NEXT WAKE AHEAD WARMER DAY/TIME PERIOD HOLD CHANGE BACK COOLER SLEEP TEMP HEAT/COOL RETURN TO LAST PERIOD M2919 Fig. 18. Mounting thermostat on wallplate. NOTE: On an AUTO changeover thermostat (T8602D), CHECKOUT the heating temperature must be set at least 3°F...
  • Page 9 ® T8602A,B,C,D AND TS8602A,C Chronotherm III FUEL SAVER THERMOSTATS Look For This Response Cycle Rate Setting System Press First Digit (cph At 50% On Time) Switch This Position Down Key Released 0 or 1 2 or 3 CHANGE Blank TO LAST PERIOD 4 or 5 Blank...
  • Page 10 ® T8602A,B,C,D AND TS8602A,C Chronotherm III FUEL SAVER THERMOSTATS 69-0309—9...
  • Page 11 ® T8602A,B,C,D AND TS8602A,C Chronotherm III FUEL SAVER THERMOSTATS 69-0309—9...
  • Page 12 T8602A,B,C,D AND TS8602A,C Chronotherm III FUEL SAVER THERMOSTATS 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, MN 55422 Scarborough, Ontario M1P 2V9 QUALITY IS KEY 69-0309—9...