Thermostat Instruction Sheet
Honeywell TH-T87 Single Stage Thermostat
If this product is used to
replace a device containing
mercury, the purchaser or
consumer must ensure that
the mercury is properly managed to
comply with state or federal regulations.
The mercury must not become part of
solid waste or waste water. Additional
guidance may be obtained from the
manufacturer of the product being
removed or by calling the Director of
Environmental Services.
© 2016 Detroit Radiant Products Company
LSH056-1c-04-16 (DRP)
Figure 1 •
TH-T87 Thermostat
Figure 2 •
TH-T87 Thermostat Wiring with 24VAO option
WARNING
R
UP
G
W
Y
B
Rc
O
O
O
W
R
L1
N
120V
24V
Thermostat
Transformer
To Appliance
Controls
Observe Polarity
24V
N
W
BK
R
WARNING
To avoid electrical shock
or damage to equipment,
disconnect all power before
installing or servicing.
Parts Lists
Honeywell Single Stage Manual Thermostat (P/N: TH-T87)
TH-T87 Specifications
Range:
40° - 90°F / 4.5° - 32°C heat/cool
Operation:
Single stage, 24VAC
Electrical Rating:
20-30 VAC; 0.02-1.0A running
Contact Action:
Opens on rise
Dimensions:
3.75” x 3.75” x 1.875”
Additional Features:
Quick response, positive off, and
mercury free.
Installation Instructions
1
Remove cover of thermostat from base.
2
Disconnect the power source.
3
Locate in an area with good air circulation (no outside walls).
4
Install the thermostat approximately 5 feet above floor level.
5
Feed wires through the rectangle slot (see Figure 2).
6
Connect wires to terminal screws (see Figure 2).
7
Confirm that wiring does not interfere with thermostat
operation.
8
Replace the cover.
See thermostat manufacturer’s instructions for specific information or requirements.