Honeywell T87N Bedienungsanleitung
Honeywell
Thermostat
T87N
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Owner’s Manual
English: Page 1
Mode d’emploi
Français : Page 6
Manual de Uso
Español: Página 11
T87N/T87K
The Round®
® U.S. Registered Trademark. Patents pending.
Copyright © 2006 Honeywell International Inc.
All rights reserved.
69-1958EFS
The Round®
Check package contents:
• Thermostat
• Wall anchors & screws (2 each)
Before you begin, make sure
you have:
• No. 2 Phillips & small pocket screwdrivers
• Hammer
• Level (optional)
• Pencil
• Drill and bit (3/16” for drywall, 7/32”
for plaster)
MERCURY NOTICE
If this product is replacing a control that contains mercury in a sealed tube, do not
place the old control in the trash. Contact your local waste management authority for
instructions regarding recycling and proper disposal.
CAUTION: ELECTRICAL HAZARD
Can cause electrical shock or equipment damage. Disconnect power before
beginning installation.
Must be installed by a trained, experienced technician
Read these instructions carefully. Failure to follow these instructions
can damage the product or cause a hazardous condition.
Pre-installation checklist
This manual covers the following models:
• Heat-only T87K
• Heat and Cool T87N

T87N/T87K • Owner's Manual
2
System Types
• Gas or oil heat (T87K)
• Gas, oil, or electric heat with air
conditioning (T87N)
• Warm air, hot water, high-efficiency
furnaces, heat pumps, steam, gravity
• Heat only
• Heat only with fan (T87N)
• Heat only, 2-wire, and 3-wire hot-water
valve (power open and close valves)
(T87K)
• Cool only (T87N)
System Settings (T87N)
• Heat, Off, Cool
Fan Settings (T87N)
• Auto, On
Specifications
Temperature Range
• 40° to 90°F (4.5° to 32°C)
Shipping Temperature
• -20° to 120°F (-28.9° to 48.9°C)
Operating Relative Humidity
• 5% to 90% (non-condensing)
Electrical Ratings
• Voltage: 20–30 VAC
• Running current: 0.02–1.0A
Install the thermostat about 5 feet (1.5 m) above the floor in an area
with good air circulation at average temperature.
Do not install in locations where the thermostat can be affected by:
• Drafts or dead spots behind doors and in corners
• Hot or cold air from ducts
• Sunlight or radiant heat from appliances
• Concealed pipes or chimneys
• Unheated/uncooled areas such as an outside wall behind the thermostat
NO
NO NO
Installation tips
Product application
This thermostat provides electronic control of:
• 24 VAC heating systems (T87K)
• 24 VAC heating and cooling systems (T87N)

English: Page 1 • Français : Page 6 • Español: Página 11
3
1. Pull wires through wire
hole. Position wallplate on
wall, level, and mark hole
positions.
2. Drill holes (3/16” for drywall,
7/32” for plaster) and tap in
supplied wall anchors.
3. Pull wire through wallplate,
position over anchors, then
insert and tighten mounting
screws. Check level if
desired.
1. Loosen screw terminals, insert wires into terminal block, then re-tighten screws.
2. Push excess wire back into the wall opening.
3. Plug the wall opening with nonflammable insulation to prevent drafts from affecting
thermostat operation.
Wiring
NOTES
R & Rc terminals (T87N)
In single-transformer system, leave metal
jumper in place between R & Rc. Remove
metal jumper if two-transformer system.
Heat pump systems (T87N)
If wiring to a heat pump, use a small piece
of wire (not supplied) to connect terminals W
and Y.
Wire specifications
Use 18-gauge thermostat wire. Shielded cable
is not required.
Wallplate installation
Terminal Designations—T87N
W Heat relay.
Y Compressor contactor.
G Fan relay.
O Heat pump changeover valve
energized in cooling.
Rc Cooling power. Connect to secondary
side of cooling system transformer.
R Heating power. Connect to secondary
side of heating system transformer.
B Heat pump changeover valve
energized in heating.
Terminal Designations—T87K
W Heat relay.
R Power. Connect to secondary side of
heating system transformer.
Y This terminal can be used for some 3-
wire hot-water valve systems (power
open and close valves).
R
W
Y
Produktspezifikationen
Marke: | Honeywell |
Kategorie: | Thermostat |
Modell: | T87N |
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