T8611G Chronotherm® IV
Deluxe Programmable
Heat Pump Thermostats
INSTALLATION INSTRUCTIONS
APPLICATION
The T8611G Chronotherm® IV Deluxe Programmable Heat Pump Thermostats provides electronic control of 24 Vac
Refer to Table 1 for a general description of the thermostat. All T8611 thermostats require a common wire to supply power.
Table 1. Description of T8611 Thermostats.
T8611 | Changeover | System Selection | Fan Selection | Comments |
G | Automatic | Em | System and fan selections are done by keyboard. |
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. Dispose of properly.
Contact your local waste management authority for instructions regarding recycling and the proper disposal of the old control.
INSTALLATION
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. (50.8 mm x 101.6 mm) wiring box. Position wallplate horizontally on the wall or on a
2 in. x 4 in. (50.8 mm x 101.6 mm) wiring box.
1.Position and level the wallplate (for appearance only). The thermostat will function 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 inch (76 mm) holes in the wall (if drywall) as marked. For firmer material such as plaster, drill two 7/32 inch (5.56 mm) holes. Gently tap anchors (provided) into the drilled holes until flush with the wall.
4.Position the wallplate over the holes, pulling wires through the wiring opening.
5.Loosely insert the mounting screws into the holes.
6.Tighten mounting screws.
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