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Jp3 Jumper selection – HVac setback systems: The JP3 jumper
allows the T170 to be configured for Setback, Occupancy Detection or
!
Door Switch Only Occupancy Operations. For further descriptions of
these conditions please see the Technical/Application Section.
•
Setback Operation - Remove JP3
•
Occupancy Detection - Install JP3
•
Door Switch Only - Install JP3
Jp4 Jumper selection – 2 or 4 pipe operation: Connection of a pipe
sensor will change the operation of the outputs as shown in the table
below. (See Technical Notes for further information on Pipe Sensor
Operation)
•
2-Pipe Operation - Install JP4 - The thermostat will permanently
disable the Secondary Output and disables system and fan invalid
modes.
•
4-Pipe Operation - Remove JP4 - Both the Main Output (COOL)
and Secondary Output (HEAT) will be available.
Pipe
JP4
Sensor
Selection
Water
Temp
2-Pipe
COLD
JP4-ON
HOT
4-Pipe
COLD
JP4-OFF
HOT
* Fan will not cycle on for disabled modes.
Condensate Overflow Interrupt - The remote probe input can be used
with a condensate overflow interrupt switch (CO), either in conjunction
with a remote probe (normally closed CO switch) or with local sensing
(normally open CO switch). When the condensate switch activates, the
T170 will display the service wrench and disable all outputs
Local Sensor Installation
Remote Probe
White/Yellow
Normally
Open
Condensate
Circuit Common
Switch
White/Violet
WIRING DIAGRAM
White/Black
White/Yellow
White/Violet
White/Blue
White/Gray
Yellow
Blue
Red
White/Brown
White/Red
White/Orange
Brown
Black
© COPYRIGHT 2007 PECO, INC. ALL RIGHTS RESERVED.
Secondary
Aqua
Main Output
Output
Stat
(Blue Wire)
(Red Wire)
Open
Cooling ONLY
Disabled
Closed
Heating ONLY
Disabled
Open
Cooling
Heating
Closed
Heating ONLY
Disabled
Remote Probe Installation
Remote Probe
White/Yellow
Circuit Common
White/Violet
Setback Input/ Door Switch
Remote Probe
Accessories
Available
Circuit Common
PECO
Pipe Sensor
Occupancy Detector
L2 / NEUTRAL
Cool
(
Main Output)
Heat
(Secondary Output)
Fan Low
OUTPUTS
See Ratings
Fan Medium
Fan High
Outside Air
L1
Mounting Thermostat
1.
Thermostat mounts to a 4" x 4" box with a 2" x 4" mud ring.
Adapter wall plates are available if needed.
2.
Pull wires through the hole of the thermostat base.
3.
Mount thermostat base to the wall using the enclosed mounting
screws. Tighten screws evenly but do not over tighten.
4.
Verify that the circuit board is firmly snapped into the cover and
has not been dislodged during handling.
5.
Match and connect equipment wire thermostat using the appropri-
ate wiring schematic as shown at the bottom of the page on the
left-hand side.
6.
Wire nut all unused wires or terminate properly according to local
building codes.
7.
Mount the base to the mud ring and install the cover assembly.
Firmly press cover to engage the cover locking snaps. Should
the cover need to be removed in the future, use a flat edged tool
to put pressure on the base sides. This will release the four side
latches.
8.
Turn on power to equipment.
All wiring connections must be made
inside the electric box or
maybe damaged.
Normally
System Check-out
Closed
Condensate
1.
After wiring and installation is complete, energize the system.
Switch
2.
Set fan to ON. Select each fan speed (TA170 Models) to verify
operation.
3.
Set the System button to AUTO, or available selection.
4.
Using the UP arrow, adjust temperature more than 5°F above the
room temperature to cycle on heating.
5.
Using the DOWN arrow adjust the temperature to 5°F below room
temperature to cycle on cooling.
from
Note: If the thermostat is set to utilize a time-based purge cycle (Service
menu 16), the thermostat will conduct a 3-min purge on initial start-up if
a pipe sensor is connected.
tHerMostat confiGuration / serVice Menu
To enter the Service Menu press the UP and DOWN arrows simultane-
ously for five (5) seconds. The current display icon will be turned off.
Service menu numbers 1 through 17 are available. Push the SYSTEM
button to move to the next Service Menu number. The UP and DOWN
arrow keys will scroll through your range of options for each feature.
The selection that is flashing is the one you are selecting. All changes
to the Service Menu are automatically saved when the system times out.
Please refer to the service menu table on page three.
CAUTION
the T170
Cover Locking Snaps
(Both Sides)
T170 Base
T170 Cover Assembly
P/N 69287 3220-2084 REV 0 PAGE 2
2x4 Mud Ring
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