background image

 

3.  Press YES to return to the Status Display Menu or 

NO to return to the system mode selection menu. 

Selecting the Fan Mode 

The T600MEP-2 has three fan mode settings. 

• 

On Fan Mode (on) 

Energizes the fan all the time for both occupied 
and unoccupied periods (even if the system mode 
is set to 

off

). 

• 

Automatic Fan Mode (auto) 

Operates the fan only on a call for heating or 
cooling for both occupied and unoccupied periods. 
This is the default setting. 

• 

Smart Fan Mode (smart) 

Energizes the fan all the time for occupied periods 
and only on a call for heating and cooling in 
unoccupied periods. 

To select the fan mode while in the Main User Menu: 
1.  Answer NO to all prompts until the fan mode 

prompt appears in the display. Press YES to set 
the fan mode. 

2.  Use the UP/DOWN arrow keys to locate the 

desired fan mode. Press YES to select the desired 
fan mode. 

3.  Press YES to return to the Status Display Menu or 

NO to return to the fan mode selection menu. 

Programming the Daily Schedule – Two-Event 

The schedule setting menu is used to enter the 
occupied and unoccupied time periods for each day of 
the week. The schedule-setting menu reflects either a 
two-or four-event schedule per day based on what was 
selected in the 

Selecting the Number of Events 

(2/4event)

 parameter during the configuring process. If 

the schedule-setting menu does not reflect a two-event 
schedule, return to the 

Selecting the Number of Events 

(2/4event)

 menu in the configuration process and 

select two events. 
When changing the time, press the UP/DOWN arrow 
keys to change the time in 1-minute increments. Hold 
the keys down to change the time in 30-minute 
increments. 

Note: 

Programming one of the digital inputs to 

remote NSB disables menu. 
To set the time schedule for two-event schedule, 
follow the steps in Table 6. 
See Events 1 and 2 in Table 6 for an example of a 
two-event office schedule. 

Table 6: Programming the  
Daily Schedule – Two-Event 

 

Press MENU from the Status 
Display Menu to enter the Main User 
Menu. 

 

Answer NO to all prompts until the 
schedule set prompt appears in the 
display. Press YES to enter the 
scheduling menu. 

 

Press YES to set the schedule for 
Monday or NO to advance to 
Tuesday. 

 

Press YES to set the occupied start 
time for Monday or NO to advance 
to Tuesday (selecting NO will leave 
the thermostat in the unoccupied 
mode for the entire day). 

 

Use the UP/DOWN arrow keys to 
set the occupied start time. Press 
YES to enter the time. 

 

Use the UP/DOWN arrow keys to 
set the unoccupied start time. Press 
YES to enter the time. 

 

Press YES to set the schedule for 
Tuesday or NO to advance to 
Wednesday. 

 

Press YES to copy the schedule 
from the previous day. Press NO to 
set a different schedule. 

 

If YES was pressed, the next prompt 
will be for Wednesday. Repeat 
procedure for all days of the week. 

 

After setting the schedule for all 
days of the week, following the last 
entry for Sunday, press YES to 
return to the Status Display Menu or 
NO to start again at Monday. 

RoomTemp
75.0

°

F

 

Schedule
set? Y/N 

Monday
set? Y/N 

Occupied
day? Y/N 

Occupied
12:00 AM 

Unoccup
12:00 AM 

Tuesday
set? Y/N 

Copy Y/N
previous 

Wednesda
set? Y/N 

Exit?
 Y/N 

 

T600MEP-2 Programmable Economizer Thermostat Installation Instructions    

15

 

Summary of Contents for T600MEP-2

Page 1: ...ver using a Phillips head screwdriver Open the thermostat by pulling on the bottom side of the thermostat cover Figure 1 2 Unlock the Printed Circuit Board PCB by carefully pressing the locking tabs t...

Page 2: ...einsert on to the new thermostat To wire the thermostat 1 Strip each wire 1 4 in 6 35 mm and connect to the appropriate terminal according to the wiring diagram see Figure 5 2 Gently push excess wire...

Page 3: ...common from equipment transformer 24 VAC for heating stages Energizes on a call for first stage heating Energizes on a call for second stage heating Configurable auxiliary output Configurable digital...

Page 4: ...keys to adjust values activate a Temporary Setpoint Backlit Liquid Crystal Display LCD The T600MEP 2 uses a two line eight character display Low level backlighting is present during normal operation a...

Page 5: ...nputs DI1 and DI2 section Configures Digital Input 2 Default No Function None See the Configuring the Digital Inputs DI1 and DI2 section Sets Keypad Lockout Level Default No Lockout 0 See the Enabling...

Page 6: ...oling Mode C mech section Sets the Mixed Air Temperature Setpoint Default 55 F 13 C See the Setting the Mixed Air Temperature Setpoint Mix stpt section Displays the Mixed Air Temperature Default None...

Page 7: ...ay before any operation is authorized fan cooling and heating The delay time is adjustable between 10 and 120 seconds This parameter can also be used to sequence the start up of multiple units in one...

Page 8: ...uration Menu 1 Answer NO to all prompts until the anti short cycle timer prompt appears in the display Press YES to enter the anti short cycle timer menu 2 Use the UP DOWN arrow keys to adjust the min...

Page 9: ...er NO to all prompts until the fan delay prompt appears in the display Press YES to enter the fan delay menu 2 Using the UP DOWN arrow keys select on or off Press YES to store the selection The displa...

Page 10: ...temperature is above the heating lockout temperature heating operation is disabled The heating lockout temperature parameter is adjustable from 15 to 120 F 26 to 49 C in increments of 5 F C To change...

Page 11: ...to select on or off Press YES to store the selection The display now shows the economizer changeover setpoint menu See Setting the Economizer Changeover Temperature Chngstpt section for instructions S...

Page 12: ...YES to store the temperature The display mixed air temperature prompt is now displayed See Displaying the Mixed Air Temperature Display section for instructions Displaying the Mixed Air Temperature Di...

Page 13: ...User Menu Override schd Y N 1 Answer NO to all prompts until the Override Schedule prompt appears If the Thermostat is in the unoccupied state this is the first prompt 2 Press YES to enable the occupi...

Page 14: ...current mode of operation Temperat set Y N Note Whether the thermostat is heating or cooling the respective setpoint is temporarily adjusted Cooling set Y N Note To toggle between the temporary heatin...

Page 15: ...the time press the UP DOWN arrow keys to change the time in 1 minute increments Hold the keys down to change the time in 30 minute increments Note Programming one of the digital inputs to remote NSB d...

Page 16: ...uling menu Press YES to set the schedule for Monday or NO to advance to Tuesday Press YES to set the occupied start time for Monday or NO to advance to Tuesday selecting NO leaves the thermostat in th...

Page 17: ...the UP DOWN arrow keys to adjust the day When the correct day is displayed press YES to store the day 6 Press YES to choose the time format or NO to access the Main User Menu exit prompt 7 Use the UP...

Page 18: ...t Operating Conditions 32 to 122 F 0 to 50 C 0 to 95 RH noncondensing Ambient Storage Conditions 22 to 122 F 30 to 50 C 0 to 95 RH noncondensing Dimensions H x W x D 4 94 x 3 38 x 1 13 in 125 x 86 x 2...

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