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taBle 2. aDvanceD conFIGUratIon: servIce menUs
To access Service Menus, simultaneously press lower left and lower right keys. Service Menu availability is dependent upon system type and upon system configuration. For abbreviation
in text, SM=Service Menu.
menU
FeatUre
Schedule Format
100*
Daylight-Saving
101
Time
System Type
110
Fan Control
120
(heating)
Changeover valve
130
(B/O terminal)
Auxiliary Heat
140
Backlight
150
Remote Sensors/
170
CO
Sensor
2
System Shutdown
172
(for S1 Terminal)
Heat Pump
180
Compressor Lockout
Heat Pump Auxiliary
190
Lockout
(-18°C - 15°C)
Furnace Filter
0; 10; 30; 60; 90;
230
Timer
© COPYRIGHT 2011 PECO, INC. ALL RIGHTS RESERVED.
oPtIons
stD. moDel
DeFaUlt
0-4
1
0,1
0
1-13
1
0,1
0
0,1
0
0,1
0
0,1
0
0-8
0
0-4
0
0-45°F
0
(-18°C - 7°C)
0- 60°F
0
0
120; 365
DescrIPtIon / comments
Select the desired schedule format. Select 0-3: Performance PRO, standard format; or select 4: School
Schedule format.
0 =
nonprogrammable
1 =
programmable
2 =
5-1-1 schedule
3 =
5-2 schedule
4 =
School Schedule
Select daylight-saving time as it follows standard format in U.S.: It begins second Sunday of March at
2:00 AM and ends on the first Sunday of November at 2:00 AM.
0 =
Disabled
1 =
Enabled (2007 U.S. Format)
Select the appropriate system configuration (determines available Service Menus).
1 =
1 Heat/1 Cool conventional
2 =
1 Heat/1 Cool heat pump
3 =
Heat only without fan (2-wire systems)
4 =
Heat only with fan
5 =
Cool only
6 =
2 Heat/1 Cool heat pump (with auxiliary heat) and Emergency (Em) heat
7 =
2 Heat/2 Cool multistage conventional
8 =
2 Heat/ 1 Cool multistage conventional
9 =
1 Heat/ 2 Cool multistage conventional
10 = 2 Heat/ 2 Cool heat pump (no auxiliary heat)
11= 3 Heat/ 2 Cool heat pump (with auxiliary heat) and Emergency (Em) heat
12 = 3 Heat/ 1 Cool conventional
13= 3 Heat/ 2 Cool conventional
0 = Fossil Fuel: Gas/Oil/Propane heat (equipment controls heating fan)
1 = Electric Furnace (thermostat controls heating fan)
0 =
B/O terminal controls valve in cooling
1 =
B/O terminal controls valve in heating
0 = Electric backup heat
1 =
Fossil fuel backup heat
0 =
Backlight temporarily on
1 =
Backlight always on (low intensity, 24V only)
Select sensor if used. Contact PECO for information on the T4900 School Series Indoor Remote Zone
Sensor.
0 =
No Sensor
1 =
Indoor Sensor
2 =
Outdoor Sensor display only
3 =
Outdoor Sensor display and lockout control
4 =
Indoor, Outdoor Sensor display only
5 =
Indoor, Outdoor Sensor display and lockout control
6 =
S3 input configured for CO
sensor, no indoor sensor.
2
7 =
S3 input configured for CO
and S1 for indoor sensor.
2
8 =
S3 input configured for CO
and S1 for outdoor sensor.
2
A dry contact switch can be connected to S1 input on the T4900 terminal block. When detected in an
active state, all HVAC outputs are turned OFF (same as system off), and Service Indicator (wrench) is
displayed on LCD.
0 =
Probe, no switch (default)
1 =
Shutdown on open
2 =
Shutdown on closed
3 =
Shutdown on open with remote temperature probe
4 =
Shutdown on closed with remote temperature probe
If an outside sensor is used, the compressor will be locked out when the outside air temp is below the
value selected.
0 = None
15°F( -9°C); 20°F (-7°C); 25°F ( -4°C); 30°F ( -1°C); 35°F (2°C); 40°F (4°C); 45°F (7°C)
If an outside sensor is used, the auxiliary heat will be locked out when the outside air temperature is
above the value selected.
0 =
None
40°F (4°C); 45°F (7°C); 50°F (10°C); 55°F (13°C); 60°F (16°C)
Sets a Furnace Filter Timer reminder; appears on digital display when timer expires (if programmed).
0 = Off
10 days; 30 days; 60 days; 90 days; 120 days; 365 days
5
P/N 70568 3220-2287 REV 00
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