Honeywell CHRONOTHERM III T8611M Installation Instructions Manual

Troubleshooting (Continued). Symptom Possible Cause Action Heating will not come on. No power to the thermostat. • Check for 24 Vac between R and C terminals. — If missing 24 Vac: — Check if the circuit breaker is tripped—reset the circuit breaker. — Check if the system fuse is blown—replace the fuse. — Check if the power switch on the HVAC equipment is in the Off position—set to the On position. — Check wiring between thermostat and HVAC equipment—replace any broken wires and tighten any loose connections. — If 24 Vac i ...

Home and Building Control Honeywell Limited-Honeywell Limitée 35 Dynamic Drive Scarborough, Ontario M1V 429 69-1415 G.H. 8-00 Printed in Taiwan R.O.C. Home and Building Control Honeywell 1985 Douglas Drive North Golden Valley, MN 55422 www.honeywell.com ...

Home and Building Control Honeywell Limited-Honeywell Limitée 35 Dynamic Drive Scarborough, Ontario M1V 429 69-1415 G.H. 8-00 Printed in Taiwan R.O.C. Home and Building Control Honeywell 1985 Douglas Drive North Golden Valley, MN 55422 www.honeywell.com ...

INSTALLER SETUP NOTE: For most applications, the thermostat factory settings do not need changing. Review the Factory Setting column in Table 3 and if no changes are necessary, go to the Installer System-Test section. The Installer Setup is used to customize the thermostat to specific systems. Some of the options include temperature display, changeover and outdoor temperature display. Use the Installer Setup numbers listed in Table 3. The table includes all the configuration options and the factory-settings for the T8611. A combination of key ...

WIRES THROUGH WALL WALL MOUNTING HOLES M15044 MOUNTING SCREWS WALL ANCHORS (2) Fig. 1. Typical location of thermostat. 5 FEET [1.5 METERS] YES NO NO NO M10106 Fig. 2. Mounting the wallplate. Fig. 3. Typical hookup in heat pump application with emergency heat relay and O/B terminal. L1 (HOT) L2 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. USE OUTDOOR SENSOR C7089B1000 AND CONFIGURE INSTALLER SETUP NUMBER 24 TO 1. BE SURE INSTALLER SETUP NUMBER 3 IS SET TO 2 FOR TWO COMPRESSOR SYSTEMS. WIRE EQUIPMENT MONITOR OR DEF ...

Home and Building Control Honeywell Limited-Honeywell Limitée 35 Dynamic Drive Scarborough, Ontario M1V 429 69-1415 G.H. 8-00 Printed in Taiwan R.O.C. Home and Building Control Honeywell 1985 Douglas Drive North Golden Valley, MN 55422 www.honeywell.com ...

3. Press Time L or Time M until the current time is displayed. NOTE: Tapping the Set Current Day/Time changes the time in one-hour increments. 2. Press Day until the current day is displayed. NOTE: Sun=Sunday, Mon=Monday, Tue=Tuesday, Wed=Wednesday, Thu=Thursday, Fri=Friday, Sat=Saturday. NOTE: If the current time is Daylight Savings Time, press Daylight Time until DST is displayed. 4. Press Run Program. INSTALLER SYSTEM-TEST Use the Installer System-Test to check the thermostat operation. Refer to Table 4 for a list of the system tests. To st ...