White Rodgers Thermostat F145 1328 User Manual

F145-1328/F145-1378  
Indoor Remote Sensor/Outdoor Remote Sensor  
INSTALLATIONINSTRUCTIONS  
Operator: Save these instructions for future use!  
FAILURETOREADANDFOLLOWALLINSTRUCTIONSCAREFULLYBEFORE  
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL  
INJURY AND/OR PROPERTY DAMAGE.  
INDOOR REMOTE SENSOR  
OUTDOOR REMOTE SENSOR  
Outdoor Probe  
Interior Mounting Base  
PRECAUTIONS  
CAUTION  
To prevent electrical shock and/or equipment dam-  
age, disconnect electric power to system at main fuse  
or circuit breaker box until installation is complete.  
!
NOTE  
If in doubt about whether your wiring is millivolt, line, or low  
voltage, have it inspected by a qualified heating and air  
conditioning contractor or electrician.  
Do not exceed the specification ratings.  
WARNING  
Do not use on circuits exceeding specified voltage.  
Higher voltage will damage control and could cause  
shock or fire hazard.  
!
All wiring must conform to local and national electrical codes  
and ordinances.  
This control is a precision instrument, and should be handled  
carefully. Roughhandlingordistortingcomponentscouldcause  
the control to malfunction.  
Do not short out terminals on gas valve or primary  
control to test. Short or incorrect wiring will damage  
thermostat and could cause personal injury and/or  
property damage.  
The remote sensors cannot be used with systems where power  
interruptions are part of normal system operation.  
SPECIFICATIONS  
The F145-1328 remote sensor is approved for indoor use Operating humidity range: 0 to 90% RH (non-condensing).  
only.  
20 gauge, three-conductor shielded cable must be used for all  
Temperature range: 40° to 99°F  
remote sensor wiring.  
20 gauge, three-conductor shielded cable must be used for all  
remote sensor wiring.  
The F145-1378 remote sensor is approved for outdoor  
use only.  
Temperature range of outdoor probe: -40° to 140°F  
White-Rodgers is a division  
of Emerson Electric Co.  
PART NO. 37-6606A  
0440  
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WIRINGDIAGRAMS  
Note: Also connect shield of 20 gauge 3 connector cable  
to - or S3 on thermostat subbase.  
Remote Sensor  
S1 S2 S3  
S1 S2 S3  
+
S
To + or  
To S or  
To - or  
To S1  
To S2  
To S3  
Thermostat Subbase  
Figure 1 – Single Stage Thermostat Remote Sensor Wiring (F145-1328)  
Note: Also connect shield of 20 gauge 3 connector cable  
to - or S3 on thermostat subbase.  
SA SB SC OT  
Remote Outdoor Sensor  
+ Terminals  
- Terminals  
L
PH  
D
SA SB SC OT  
+
S
E2  
Thermostat Subbase  
Outdoor Probe  
To +  
To OT  
To -  
Remote Indoor Sensor A  
Remote Indoor Sensor B  
Remote Indoor Sensor C  
+
S
+
S
+
S
To -  
To -  
To +  
To SB  
To +  
To SC  
To SA  
To +  
To -  
Figure 2 Staging Thermostat Multi-Stage or Heat Pump Indoor/Outdoor Remote Sensor Wiring  
(F145-1328/F145-1378)  
3
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CONFIGURATION  
Comfort-Set II  
Comfort-Set III/Comfort-Set 90/90 Series  
Single Stage Models: Verify jumper wire W-22 on the back  
of the thermostat (not the subbase) has been clipped.  
Multi-stage and Heat Pump Models: Verify jumper wire W-  
18 on the back of the thermostat (not the subbase) has  
been clipped.  
Single Stage Models: Verify jumper wire W-922 on the  
back of the thermostat (not the subbase) has been clipped.  
You must also enable the remote sensor option in the  
Installation Instructions, Configuration Menu.  
Multi-stage and Heat Pump Models: When installing a  
remote sensor you must enable the remote sensor option in  
the Installation Instructions, Installer Menu.  
REMOTE SENSOR CALCULATED PRIORITY AVERAGE  
1F93-380, 1F94-371, 1F95-371, 1F95-377, 1F95-391  
Single stage thermostats accept only 1 remote sensor. 90 Series multi-stage and heat pump thermostats accept up to 3  
indoor remote sensors and can be assigned sensor priorities.  
Tables 1-3 show how priority (LO, AVG, HI) effects the room temperature calculation. The example below table three shows  
the calculation of each remote sensor and how it uses them to arrive at room temperature average.  
Table 1: Remote Sensor A configured as a LO priority sensor  
Remote Sensor  
Priority  
Sensor  
SA  
Priority  
LO  
Multiplier Room Temperature  
Averaging Calculation  
1 x 70 = 70 (Priority Multiplier x Room Temp.)  
1
70°F (Sensor Temp.)  
Table 2: Remote Sensor B configured as a AVG priority sensor  
Remote Sensor  
Priority  
Sensor  
SB  
Priority  
AVERAGE  
Multiplier Room Temperature  
Averaging Calculation  
2 x 75 = 150 (Priority Multiplier x Room Temp.)  
2
75°F (Sensor Temp.)  
Table 3: Remote Sensor C configured as a HI priority sensor  
Remote Sensor  
Priority  
Sensor  
SC  
Priority  
HI  
Multiplier Room Temperature  
Averaging Calculation  
4 x 80 = 320 (Priority Multiplier x Room Temp.)  
4
80°F (Sensor Temp.)  
The example below lists three sensors each with a different priority and room temperature. All three sensors are combined in  
the calculation to display the average temperature. The priority multiplier shown in the tables above causes a sensor with  
low priority to carry less weight in the calculated average. A sensor with a HI priority setting contributes more to the calcu-  
lated average. Assume that the building in which the thermostat is located has three indoor remote sensors (SA, SB, SC)  
that have different room temperatures (70, 75, 80). The calculated average will be displayed as the room temperature  
shown in the example below.  
Example: Remote Sensors A, B, and C configured as a LO, AVG, and HI priority sensors  
Remote Sensor  
Priority  
Sensor  
SA  
SB  
Priority  
LO  
AVERAGE  
HI  
Multiplier Room Temperature  
Averaging Calculation  
1
2
4
70°F (Sensor Temp.)  
75°F (Sensor Temp.)  
80°F (Sensor Temp.)  
1 x 70 = 70 (Priority Multiplier x Room Temp.)  
2 x 75 = 150 (Priority Multiplier x Room Temp.)  
4 x 80 = 320 (Priority Multiplier x Room Temp.)  
Avg. Calc. (540)/Sum Priority Mult. (7)  
540/7 = 77°F (Calculated Displayed Temp.)  
SC  
4
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REMOTESENSORTROUBLESHOOTINGGUIDE  
Comfort-Set II  
Comfort-Set III/Comfort-Set 90/90 Series  
Single Stage Models: Verify jumper wire W-22 on the back  
of the thermostat (not the subbase) has been clipped.  
Multi-stage and Heat Pump Models: Verify jumper wire  
W-18 on the back of the thermostat (not the subbase) has  
been clipped.  
Single Stage Models: Verify jumper wire W-922 on the  
back of the thermostat (not the subbase) has been clipped.  
You must also enable the remote sensor option in the  
Installation Instructions, Configuration Menu.  
Multi-stage and Heat Pump Models: When installing a  
remote sensor you must enable the remote sensor option in  
the Installation Instructions, Installer Menu.  
Troubleshooting Chart  
To function correctly and read temperature accurately, the thermostat (when set up for a remote as outlined above) must  
have constant 24-volt power. If the thermostat temperature is steadily dropping, reading low, or reads 08° when a remote  
sensor is installed, it can be traced to one of the three following conditions.  
Condition  
Test  
Comments  
1. Loss of 24-volt power. On models with batteries, remove the batteries and re-install For the sensor to read correctly,  
thermostat. If the display is blank, check heating and cooling the 24-volt system power must  
system to determine why 24-volt power is absent.  
be present. Some systems may  
require an isolation relay to pro-  
vide constant power to the  
thermostat. Limit or safety  
devices in the equipment can  
also cause a power interruption.  
2. A broken wire on S1, Disconnect sensor wires at thermostat. Attach a short piece  
Repair or replace the 3 wire  
shielded cable. Be sure the  
S2 and S3 or (+, SA, -)  
from the thermostat to  
the remote.  
(2') of three-wire shielded cable to S1, S2 and S3 or (+, SA,  
-) on the subbase. Bring the remote sensor to the thermostat remote wire run is not parallel  
location and attach S1, S2 and S3 or (+, S, -) respectively.  
Reattach thermostat. If the temperature begins to climb  
to line voltage wires that carry  
heavy inductive loads, or across  
(slowly), it is reading correctly. If it reads correctly with the 2' fluorescent light ballasts that  
length but improperly when attached to the wire run, it  
indicates a fault in the wire run.  
may cause an inductance to be  
transmitted to the thermostat.  
3. A shorted or  
Because it is an electronic sensor, there are no Ohm values  
Replace remote sensor.  
damaged remote sensor. to test. If correct conditions as listed in 1 & 2 above and the  
temperature stays at or near 08°, it indicates a shorted or  
damaged remote sensor.  
Note: Digital thermostats and remote sensors acclimate very slowly to temperature change. It may take an hour or more for  
the temperature to acclimate to the room temperature from a low temperature reading as outlined above. To expedite the  
room temperature display use the reset instructions listed in the installation instructions for the thermostat model you are  
working with. When reset, the thermostat will default to a room temperature of 70° and begin sensing room temperature. Be  
sure to reconfigure the installer menu for a remote sensor because the reset function may cancel remote sensing.  
5
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The Emerson logo is a  
trademark and service mark  
of Emerson Electric Co.  
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