Model 43255
Owners Manual
PROGRAMMABLETHERMOSTAT
M
AM
4
TEMP
Page 1: ...Model 43255 Owners Manual PROGRAMMABLE THERMOSTAT M AM 4 TEMP...
Page 2: ...splay When this message occurs install new alkaline batteries You have approximately 1 minute to change the batteries and keep thermostat s clock and program settings Once the batteries have become to...
Page 3: ...wall anchor and tighten See Figure 3 NOTE 5 wire Systems If your thermostat has one wire marked R or RH 2 3 or 4 wire system then leave the jumper wire between the RH and RC terminals on the wallplate...
Page 4: ...in the cooling mode NOTE HG position is for gas and most other systems HE position is for certain electric systems having a fan relay System Selector STANDARD HEAT PUMP switch The factory position for...
Page 5: ...ime Temp Temp Temp Temp Sunday Time Time Time Time Temp Temp Temp Temp day time M PM day time M PM SA PM 2 TEMP day time hold return or Cooling Day Program 1 Program 2 Program 3 Program 4 Monday Time...
Page 6: ...heat and cool reaches 400 hours the Filter Change Indicator will flash as a reminder to check your system s filter Press to review total filter usage After 15 seconds the display will return to normal...
Page 7: ...Note that if your system has malfunctioned and no longer responds to thermostat controls the Auto Cut Off will have no effect Mechanical Heat Back Up This thermostat includes a bi metal switch that w...
