PRO TH3210D Non-programmable Digital Thermostat Table of contents I I n n s s t t a a l l l l a a t t i i o o n n A A p p p p e e n n d d i i c c e e s s Pre-installation checklist ....2 Quick reference to controls....9 Wallplate installation ......3...
Installation Guide Pre-installation checklist Package contents Check to make sure your package includes the following items: • PRO TH3210D digital thermostat (wallplate attached to back) • Operating manual • Wall anchors and mounting screws (2 each) • AA alkaline batteries (2) Required tools &...
PRO TH3210D Non-programmable Digital Thermostat Wallplate installation Grasp top and bottom of wallplate Remove the wallplate from the ther- and pull to remove from thermostat. mostat as shown at left, then follow directions below for mounting. 1 Pull wires through wire hole. 2 Position wallplate on wall, level and mark hole positions with pencil.
Installation Guide Wiring CAUTION: ELECTRICAL HAZARD. Can cause electrical shock or equipment damage. Disconnect power before wiring. Wiring Keep wires in this shaded area 1 Loosen screw terminals, insert wires into terminal block, then re- tighten screws. 2 Push excess wire back into the wall opening.
PRO TH3210D Non-programmable Digital Thermostat Wiring diagram Power supply. Provide disconnect means and overload protection as required. Optional 24 VAC common connection. Use either O or B terminals for changeover valve. L terminal is powered continuously when thermostat is set to Em Heat. Install field jumper between E and Aux if there is no emergency heat relay.
Installation Guide Power options & mounting AC Power The thermostat can be powered by 24 VAC power, or by batteries. To wire the thermostat for AC power, connect the common side of the Connect common transformer to the “C” terminal as side of transformer shown at left.
PRO TH3210D Non-programmable Digital Thermostat Installer setup Follow the procedure below to configure the thermostat to match the installed heating/cooling system, and customize feature operation as desired. Press and hold both buttons Function Setting number Setup To begin, press and hold the Press to change settings buttons until the display changes...
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Installation Guide Installer system test Follow the procedure below to test the heating and cooling system. System test System status number Test System switch 1 Set S S Y Y S S T T E E M M switch to Heat. 2 Press to turn on and check systems (see table, below).
PRO TH3210D Non-programmable Digital Thermostat Quick reference to controls Digital display screen Temperature buttons Press to adjust temperature settings System switch • Cool: Thermostat controls only the cooling system. • Heat: Thermostat controls only the heating system. • Off: Heating and cooling systems are off.
Installation Guide In case of difficulty If you have difficulty with your thermostat, please try the suggestions below. Most problems can be corrected quickly and easily. Display is blank • Check circuit breaker and reset if necessary. • Make sure heating & cooling power switches are on. •...
PRO TH3210D Non-programmable Digital Thermostat Accessories Please contact your distributor to order accessories. Cover plate assembly ..........Part Number 50002883-001 (Used to cover marks left by old thermostats.) Specifications Temperature Ranges Electrical Ratings • Heat: 40° to 90°F (4.5° to 32°C) •...