T.a.c. 2212-318 General Instructions Manual - page 3
F-24576-4
©
Copyright 2008 TAC All Rights Reserved.
3
Requirements
•
Tools (not provided):
– Appropriate screwdriver for mounting the thermostat
– 20-881 Thermostat calibration and cover screw
wrench (or 1/16” and 1/4” hex wrenches)
•
Training: Installer must be a qualified, experienced
technician
•
Appropriate accessories
•
Piping diagrams
Location
Caution:
•
Do not locate the thermostat near sources of heat or cold,
such as lamps, motors, sunlight, or concealed ducts or
pipes. Doing so will affect the accuracy of the thermostat.
•
Avoid installing the thermostat on outside walls. If such a
location is necessary, mount the thermostat on an
insulated back plate (accessory item).
•
Mount thermostats
only
after the wall surfaces have
been finished.
Locate the thermostat where it will be exposed to an
unrestricted circulation of air, which represents the average
temperature of the controlled space.
Mounting
Standard Mounting Options
Mount the thermostat according to the applicable figure
(Figure-2 through Figure-8). See Figure-12 for mounting
dimensions.
Branch
Main
Polyethylene
Tubing Air Supply
20-714
Wall Plate
(included with
thermostat)
21-473
Drywall Mounting
(order separately)
20-693
6 in. Tube Assembly
with Eyelets
(included with
thermostat)
Thermostat
Mounting Screws
(included with thermostat)
Cover
(order separately)
21-611
1/4 x 3/16 in. Barbed Couplings
for Plastic Tubing
(included with thermostat)
Figure-2 Flush Mounting of Thermostat.
(2) #6 Self-Tapping
Screws
20-693
6 in. Tube Assembly with Eyelets
(included with thermostat)
20-850 Plate
Thermostat
Cover
(order separately)
(2) Screws for Electrical
Box Mounting
Pre-plumbed
Electrical Box
Wall
Polyethylene Tubing
Air Supply
Branch
Main
Figure-3 Flush Mounting of Thermostat, Using 20-850 Plate
and Pre-Plumbed Electrical Box.
Bracket
Mounting Screws
(included with thermostat)
20-693
6 in. Tube Assembly with Eyelets
(included with thermostat)
Skirt
Wall Plate
Thermostat
Cover
(order separately)
Polyethylene Tubing
Air Supply
Branch
Main
Figure-4 Thermostat Mounted with 22-022
Conversion Kit, Using Wall Plate and Skirt, to
Replace Competitive Thermostats.