Honeywell RET97 Quick Start Manual Download Page 3

Page: 3 / 15

50 60 70 80 F

OFF

AUTO

EM. HEAT

EM. HEAT AUX. HEAT

50 60

MCR33835A

Remove old thermostat but leave wallplate with
wires attached.

Remove Old Thermostat

Turn

OFF

Power to Heating/

Cooling System

Is there a sealed tube containing
mercury? If so, see back cover
for proper disposal instructions.

Leave wallplate
in place

Old thermostat

Cover

Summary of Contents for RET97

Page 1: ...Quick Start Guide Programmable Thermostat RTH7400 RTH7500 RET97 Series ...

Page 2: ...to match your heating cooling system This thermostat works with virtually all System Types It is preset for the most common system We are here to help Call 1 800 468 1502 for wiring assistance before returning the thermostat to the store This thermostat works on 24 volt or 750 mV systems It will NOT work on 120 240 Volt systems ...

Page 3: ...Remove old thermostat but leave wallplate with wires attached 2 Remove Old Thermostat 1 Turn OFF Power to Heating Cooling System Is there a sealed tube containing mercury If so see back cover for proper disposal instructions Leave wallplate in place Old thermostat Cover or ...

Page 4: ... labels as you disconnect them then remove the old wallplate 3 Label Wires with Tags Wire Labels Wire color might not match labels M31545 NOTE Jumper wire used on old thermostat If yes note what letters the jumper connected and review in wiring section ...

Page 5: ...5 Remove wallplate from the new thermostat M28073 4 Separate Wallplate from New Thermostat Wallplate ...

Page 6: ...6 Mount the new wallplate using the included screws and anchors 5 Mount Wallplate MCR28094 Drill 3 16 in holes for drywall Drill 7 32 in holes for plaster ...

Page 7: ...wires MCR28070 W2 Y2 C G Y W RC R LABELED WIRES SCREW CONVENTIONAL INSERT WIRES THEN TIGHTEN SCREWS WIRE HOLE Y G R W CONVENTIONAL 6 Connect Wires Labels don t match See Wiring Notes over Have a Heat Pump system See Wiring Notes over Call 1 800 468 1502 for wiring assistance ...

Page 8: ...8 Install two AA alkaline batteries and remove tab MCR28101 Back of thermostat Remove tab 7 Install Batteries MCR28102 ...

Page 9: ...9 M28103 Install thermostat onto the wallplate on the wall Turn the power back on to the heating cooling system 8 Install Thermostat onto Wallplate 9 Turn Power Back ON or ...

Page 10: ...12 10 Set Time and Date Press s or t to set month then press NEXT Press s or t to set day then press NEXT Press s or t to set year then press DONE Press s or t to set time then press DONE to save and exit Month Year Day MCR33843 Done 10 10 ...