Honeywell International Inc. 8DL5800STAT Manuale Utente

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INSTALLATION INSTRUCTIONS
69- 1535
T8665A Chronotherm
®
 IV
Deluxe Programmable
 Wireless Thermostat
APPLICATION
The T8665 Chronotherm® IV Wireless Thermostat 
provides electronic control of 24 Vac heating and cooling 
systems. It must be used with a W8665 Receiver 
Module. Refer to Table 1 for a general description of the 
thermostat. The T8665A Thermostats are battery-
powered.
MERCURY NOTICE
If this control is replacing a control that contains 
mercury in a sealed tube, do not place your old 
control in the trash.
Contact your local waste management authority 
for instructions regarding recycling and the 
proper disposal of the old thermostat.
INSTALLATION
Accessory Required (Not Included)
Select one of the receiver modules for your application:
W8665A Receiver Module (RM) for single zone 
applications.
W8665E RF Zone™ Panel for up to three zones.
When Installing this Product...
1.
Read these instructions carefully. Failure to follow 
the instructions can damage the product or cause 
a hazardous condition.
2.
Check the ratings given in the instructions and on 
the product to make sure the product is suitable for 
your application.
3.
Installer must be a trained, experienced service 
technician.
4.
After completing installation, use these instructions 
to check out the product operation.
Location
Install the thermostat about 5 ft (1.5m) above the floor in 
an area with good air circulation at average temperature. 
See Fig. 1.
Do not install the thermostat where it can be affected by:
— drafts, or dead spots behind doors and in corners.
— hot or cold air from ducts.
— radiant heat from sun or appliances.
— concealed pipes and chimneys.
— unheated (uncooled) areas such as an outside wall 
behind the thermostat.
Wallplate Installation
The thermostat can be mounted horizontally on the wall 
or on a 2 in. x 4 in. wiring box. Position wallplate 
horizontally on the wall or on a 2 in. x 4 in. wiring box.
1.
Position and level the wallplate (for appearance 
only). The thermostat functions correctly even 
when not level.
2.
Use a pencil to mark the mounting holes. See Fig. 
2.
3.
Remove the wallplate from the wall and drill two 
3/16 in. holes in the wall (if drywall) as marked. For 
firmer material such as plaster, drill two 7/32 in. 
holes. 
4.
Gently tap anchors (provided) into the drilled holes 
until flush with the wall.
5.
Position the wallplate over the holes.
6.
Loosely insert the mounting screws into the holes.
7.
Tighten the mounting screws.
Table 1. T8665A Thermostat Description.
T8665
System
Changeover
System Selection
Fan Selection
Comments
A
Heat-Cool
Automatic
Heat-Off-Cool-Auto
On-Auto
System and fan 
selections are entered at 
keyboard.