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MOUNTING AND WIRING

MOUNTING AND WIRING

MOUNTING AND WIRING

MOUNTING AND WIRING

MOUNTING AND WIRING

This thermostat is configured from the factory to operate a heat/
cool, fossil fuel (gas, oil, etc.), forced air system. It is configured
correctly for any system that DOES NOT require the thermostat
to energize the fan on a call for heat. If you system is an electric
heat or heat-pump system that REQUIRES the thermostat to
turn on the fan on a call for heat, locate the ELEC/GAS switch
on the back of the thermostat (see fig. 1) and switch it to the

ELEC

 position. This will allow the thermostat to energize the fan

immediately on a call for heat. If you are unsure if the heating/
cooling system requires the thermostat to control the fan,
contact a qualified heating and air conditioning service person.

When the thermostat is configured for Heat Pump, the thermo-
stat will always power the circulator fan on a call for heat in the
HEAT mode. The ELEC/GAS switch must be set to match the
type of Auxiliary heat your system uses for proper operation in
the EMERgency mode.

All wiring diagrams are for typical systems only. Refer to
equipment manufacturers’ instructions for specific system wir-
ing information.

Electric/Gas Switch (Fan Option)

Electric/Gas Switch (Fan Option)

Electric/Gas Switch (Fan Option)

Electric/Gas Switch (Fan Option)

Electric/Gas Switch (Fan Option)

WARNING

!

Do not use on circuits exceeding specified voltage.

Do not use on circuits exceeding specified voltage.

Do not use on circuits exceeding specified voltage.

Do not use on circuits exceeding specified voltage.

Do not use on circuits exceeding specified voltage.
Higher voltage will damage control and could cause

Higher voltage will damage control and could cause

Higher voltage will damage control and could cause

Higher voltage will damage control and could cause

Higher voltage will damage control and could cause
shock or fire hazard.

shock or fire hazard.

shock or fire hazard.

shock or fire hazard.

shock or fire hazard.

Do not short out terminals on gas valve or primary

Do not short out terminals on gas valve or primary

Do not short out terminals on gas valve or primary

Do not short out terminals on gas valve or primary

Do not short out terminals on gas valve or primary
control to test.  Short or incorrect wiring will damage

control to test.  Short or incorrect wiring will damage

control to test.  Short or incorrect wiring will damage

control to test.  Short or incorrect wiring will damage

control to test.  Short or incorrect wiring will damage
thermostat and could cause personal injury and/or

thermostat and could cause personal injury and/or

thermostat and could cause personal injury and/or

thermostat and could cause personal injury and/or

thermostat and could cause personal injury and/or
property damage.

property damage.

property damage.

property damage.

property damage.

Thermostat installation and all components of the
system shall conform to Class II circuits per the NEC
code.

Attach Thermostat Base to Wall

1. Remove the packing material from the thermostat. Gently

pull the cover straight off the base. Forcing or prying on
the thermostat will cause damage to the unit.

2. Connect wires beneath terminal screws on base using

appropriate wiring schematic (see figs. 2 through 3).

3. Place base over hole in wall and mark mounting hole

locations on wall using base as a template.

4. Move base out of the way. Drill mounting holes.

5. Fasten base loosely to wall, as shown in fig. 1, using two

mounting screws. Place a level against bottom of base,
adjust until level, and then tighten screws. (Leveling is for
appearance only and will not affect thermostat operation.)
If you are using existing mounting holes, or if holes drilled
are too large and do not allow you to tighten base snugly,
use plastic screw anchors to secure subbase.

6. Push excess wire into wall and plug hole with a fire-

resistant material (such as fiberglass insulation) to
prevent drafts from affecting thermostat operation.

Battery Location

2 “AA” alkaline batteries are included in the thermostat at the
factory with a battery tag to prevent power drainage. You
must remove the battery tag to engage the batteries.

If 

“BATT”

 is displayed, the batteries are low and should be

replaced. For best results, replace all batteries with new
premium brand alkaline batteries such as Duracell® or
Energizer®. To replace batteries, press system button to

OFF

, install the batteries along the top of the base (see Fig.

1). The batteries must be installed with the positive (+) end to
the left.

Take care when securing and routing wires so they do

Take care when securing and routing wires so they do

Take care when securing and routing wires so they do

Take care when securing and routing wires so they do

Take care when securing and routing wires so they do
not short to adjacent terminals or rear of thermostat.

not short to adjacent terminals or rear of thermostat.

not short to adjacent terminals or rear of thermostat.

not short to adjacent terminals or rear of thermostat.

not short to adjacent terminals or rear of thermostat.
Personal injury and/or property damage may occur.

Personal injury and/or property damage may occur.

Personal injury and/or property damage may occur.

Personal injury and/or property damage may occur.

Personal injury and/or property damage may occur.

CAUTION

!

Содержание 1F85-275

Страница 1: ...r hinge type b The base which is removed by loosening all captive screws c The switching subbase which is removed by unscrewing the mounting screws that hold it on the wall or adaptor plate 3 Remove the front cover of the old thermostat With With With With With wires wires wires wires wires still attached still attached still attached still attached still attached remove wall plate from the wall I...

Страница 2: ...personal injury and or thermostat and could cause personal injury and or thermostat and could cause personal injury and or thermostat and could cause personal injury and or thermostat and could cause personal injury and or property damage property damage property damage property damage property damage Thermostat installation and all components of the system shall conform to Class II circuits per t...

Страница 3: ...d Stage Emergency Mode 2nd Stage Emergency Mode 1st Stage 24 Volt Common Fault Indicator or System Malfunc tion Switch 24 Volt Hot System B O Y2 Y1 G W2 E W1 C L R CLASS II TRANSFORMER HOT 24VAC NEUTRAL 120VAC NOTE If your system does not provide an E connection jumper W2 to E W1 to use the Auxiliary Heat in the Emergency Mode Figure 2 Heat Pump Systems Single Stage 1 SS1 Multi Stage 2 MS2 Energiz...

Страница 4: ...rature The heating system should begin to operate The display should show STG1 However if the setpoint temperature display is flashing the compres sor lockout feature is operating see Configuration menu item 5 3 Adjust temperature setting to 3 above room temperature If your system configuration is set at MS2 HP2 or HP1 the auxiliary heat system should begin to operate and the display should show S...

Страница 5: ...change or clean your filter 16 Display when in keypad lockout mode 17 EMER is displayed flashing when the system is in EMER mode 18 The word FAULT will be displayed when there is a malfunction in the HEAT COOL system 19 Display when limited HEAT COOL range is activated The icon will flash if an attempt is made to adjust the temperature beyond the limited HEAT COOL temperature range 20 Stage1 2 ind...

Страница 6: ... Press System to set code 17 Run Returns to the OFF position CONFIGURA CONFIGURA CONFIGURA CONFIGURA CONFIGURATION MENU TION MENU TION MENU TION MENU TION MENU tem key selection will skip EMR item 4 and temporary program override item 3 3 Select Temporary Program Override Time The thermo stat can hold any temperature you set it to for the amount of time you select on this option Your choices are 0...

Страница 7: ...de to defeat the auto changeover mode OFF 13 Limited Heat Range This feature provides a maximum setpoint temperature for heat The default setting is 90 F It can be changed between 62 F and 89 F by pressing the or key 14 Limited Cool Range This feature provides a minimum setpoint temperature for cool The default setting is 45 F It can be changed between 46 F and 82 F by pressing the or key 15 16 Ke...

Страница 8: ...e thermostat will automatically revert to the program after programmed period LOW BATTERY INDICATOR LOW BATTERY INDICATOR LOW BATTERY INDICATOR LOW BATTERY INDICATOR LOW BATTERY INDICATOR If the 2 AA alkaline batter ies are low and should be replaced the display will be blank except for LO BATT LO BATT LO BATT LO BATT LO BATT We recommend replacing batteries every 2 years If the home is going to b...

Страница 9: ...or until your selected start time appears The time will change in 15 minute increments When your selected time is displayed press TIME again to return to the change temperature mode 5 Press PRGM once The currently programmed start time and setpoint temperature for the 2nd heatingpro gram period will appear 6 Repeat steps 3 and 4 to select the start time and heating temperature for the 2nd heating ...

Страница 10: ...the heating is operating correctly TR TR TR TR TROUBLESHOO OUBLESHOO OUBLESHOO OUBLESHOO OUBLESHOOTING TING TING TING TING Reset Operation Reset Operation Reset Operation Reset Operation Reset Operation If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation you can reset the thermo stat by removing the wires from terminals R R R R R and C C C C C and r...

Страница 11: ...ove If the condition persists the manufacturer of your system or service person can instruct you on how to test the Heat Cool system for correct operation If the system operates correctly replace the thermostat Digital thermostats normally provide precise temperature control and may cycle faster than some older mechanical models A faster cycle rate means the unit turns on and off more frequently b...

Страница 12: ...at the AM or PM settings are correct for each period Also verify that the Day of the week is set correctly Models with EMR Energy Management Recovery start early to make the temperature they are programmed for by the time specified in the program See the CONFIGURATION MENU on page 6 step 3 Any time you wish to turn your system off simply press the SYSTEM button until OFF is displayed This will not...

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