TC170 THERMOSTAT
▲! WARNING
•READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING TO INSTALL, OPERATE OR SERVICE THIS THERMOSTAT.
•Failure to observe safety information and comply with instruc- tions could result in PERSONAL INJURY, DEATH AND/OR PROPERTY DAMAGE.
•To avoid electrical shock or damage to equipment, disconnect power before installing or servicing and use only wiring with insulation rated for full thermostat operating voltage.
•Before installing this control, the Voltage Selection Switch must be placed in the correct position. See instructions.
•To avoid potential fire and/or explosion do not use in potentially flammable or explosive atmospheres.
•Retain these instructions for future reference. This product, when installed, will be part of an engineered system whose specifications and performance characteristics are not designed or controlled by PECO. You must review your application and national and local codes to assure that your installation will be functional and safe.
CAUTION
•Use copper wire only, insulate or wire nut all unused leads.
•Care should be used to avoid electrostatic discharge to the T170 thermostat.
•This unit has configuration jumpers. You may need to reconfigure this thermostat for your application. See page 3.
MOUNTING THE THERMOSTAT
Thermostat mounts to a 4x4 box with a 2x4 mud ring.
CAUTION
All wiring connections must be made inside the electric box or the T170 maybe damaged.
2x4 Mud Ring
Cover Locking Snaps
(Both Sides)
T170 Base
T170 Cover Assembly
INSTALLATION
1.This thermostat is a 24 VAC only control. Leave the Voltage Selec- tion Switch in the 24 VAC position for proper operation. Failure to select the correct voltage will result in thermostat malfunction or perma- nent thermostat damage.
2.Connect wires using the wiring diagram. Wire nut off all unused wires. All connections must be located in the outlet box.
3.Install the T170 base with the two furnished mounting screws to
a standard 4 x 4 x
5.Verify that the circuit board is firmly snapped into the cover and has not been dislodged during handling.
6.Install the cover assembly. Press firmly to engage the cover locking snaps.
7.Checkout: After wiring and installation is complete, energize the system. Set fan to ON. Set the system button to AUTO, or available selection. Using the UP arrow, adjust temperature above the ambient temperature to cycle heating stage(s) on. Using the DOWN arrow adjust the temperature below ambient temperature to cycle cooling stage(s) on.
TYPICAL OPERATION
System Button Operation
OFF | All thermostat outputs are off. |
AUTO | The thermostat automatically selects heating or cooling mode |
| depending upon the set point and room temperature. The ap- |
| propriate HEAT or COOL icon are illuminated if demand exists. |
| A 3°F |
| heating and cooling modes. After changeover, the control point |
| automatically shifts so that the control off point equals the set |
| point temperature. |
COOL | The thermostat operates as a cooling only thermostat. |
HEAT | The thermostat operates as a heating only thermostat. |
Up/Down Arrow Button Operation
Up/Down arrows increased or decreased temperature.
Fan Button Operation
In ON the fan output is continuous. In AUTO the output cycles with demand. Some models are available with Controlled Off and or Staged Fan.
F/C Button Operation
This button toggles from Fahrenheit to Celsius.
Speed Button Operation
Some models have a Speed button instead of a F/C button. Fan speed is determined by manual selection of HI or LO. Holding this button in for 5 seconds will toggle the displayed temperature from Fahrenheit to Celsius.
© COPYRIGHT 2008 PECO, INC. ALL RIGHTS RESERVED. | P/N 69289 |
