Honeywell PRO TH3210D PROGRAMMABLE THERMOSTAT Operating Manual

Honeywell PRO TH3210D PROGRAMMABLE THERMOSTAT

Product Application

This thermostat provides electronic control of 24 VAC heat pump systems with auxiliary heat (2 heat/1 cool).

Power Type

• Battery power
• Common wire
• Common wire with battery backup

System Settings

• Heat, Off, Cool, Em Heat

Fan Settings

• Auto, On

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.
•  Check the ratings in this booklet to verify that this product is suitable for your application (see page 11).
•  Always test for proper operation after installation (see pages 7-8).

CAUTION: ELECTRICAL HAZARD
Can cause electrical shock or equipment damage. Disconnect power before beginning installation.

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.

Installation tips

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

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 & supplies

• No. 2 Phillips screwdriver
• Small pocket screwdriver
• Drill
• Drill bit (3/16” for drywall, 7/32” for plaster)
• Hammer
• Pencil
• Electrical tape
• Level (optional)

Wallplate installation

Remove the wallplate from the thermostat as shown at the left, then follow the directions below for mounting.

1. Pull wires through wire hole.
2. Position the wallplate on the wall, level, and mark hole positions with a pencil.
3. Drill holes at marked positions as shown below, then tap in supplied wall anchors.
4. Place wallplate over anchors, insert and tighten mounting screws.

Wiring

CAUTION: ELECTRICAL HAZARD. Can cause electrical shock or equipment damage. Disconnect power before wiring.

Wiring

1. Loosen screw terminals, insert wires into the terminal block, then re-tighten the screws.
2. Push excess wire back into the wall opening. Keep wires in a shaded area as shown at left.
3. Plug the wall opening with non-flammable insulation to prevent drafts from affecting thermostat operation.

NOTES

• C terminal
  The C (common wire) terminal is optional when the thermostat is powered by batteries.
• L terminal
  Heat pump reset. L terminal is powered continuously when the thermostat is set to Em Heat.
• Wire specifications
  Use 18- to 22-gauge thermostat wire. A shielded cable is not required.

Terminal Designations

• E Emergency heat relay. Aux Auxiliary heat relay.
• Y Compressor contactor.
• G Fan relay.
• O Heat pump changeover valve energized in cooling.
• L Heat pump reset.
• R Power wire from the secondary side of the system transformer.
• B Heat pump changeover valve energized in heating.
• C Common wire from the secondary side of the system transformer.

Wiring diagram

1. Power supply. Provide disconnect means and overload protection as required.
2. Optional 24 VAC common connection.
3. Use either O or B terminals for the changeover valve.
4. L terminal is powered continuously when the thermostat is set to Em Heat.
5. Install field jumper between E and Aux if there is no emergency heat relay.

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 transformer to the “C” terminal as shown at left.

Battery Power
The thermostat can be powered by batteries alone or, if used with AC power, can provide backup power to the display during power interruptions.

To Mount Thermostat
Align the 4 tabs on the wallplate with corresponding slots on the back of the thermostat, then push gently until the thermostat snaps in place.

Installer setup

Follow the procedure below to configure the thermostat to match the installed heating/cooling system, and customize feature operation as desired.

Setup Function

• Auxiliary heat cycle rate (CPH) 
  • 5 For gas or oil furnaces of less than 90% efficiency
  • 1 For steam or gravity systems
  • 3 For hot water systems & furnaces of over 90% efficiency
  • 9 For electric furnaces
    [Other cycle rate options: 2, 4, 6, 7, 8, 10, 11 or 12 CPH]
• Emergency heat cycle rate (CPH)
  • 9 For electric furnaces
  • 1 For steam or gravity systems
  • 3 For hot water systems & furnaces of over 90% efficiency 5 For gas or oil furnaces of less than 90% efficiency
    [Other cycle rate options: 2, 4, 6, 7, 8, 10, 11 or 12 CPH]
• Compressor cycle rate (CPH)
  • 3 Recommended for most compressors
    [Other cycle rate options: 1, 2, 4, 5 or 6 CPH]
• Temperature display 
  • 0 Fahrenheit
  • 1 Celsius
• Compressor protection
  • 5 Five-minute compressor off time **See page 9
    [Other options: 0, 1, 2, 3 or 4-minute off time]

Installer system test

After completing the installer setup above, press the button again to begin a system test (see next page).

Follow the procedure below to test the heating and cooling system.

1. Set SSYYSSTTEEMM switch to Heat.
2. Press to turn on and check systems (see table, below).
3. Press until the systems turn off.
4. Set SSYYSSTTEEMM switch to Em Heat and repeat steps 2-3 above. 5 Set SSYYSSTTEEMM switch to Cool and repeat steps 2-3 above.
5. Press and hold to terminate test at any time.

10	System Test Heating system	0	System Status  The compressor and fan turn off.
		1	The compressor and fan turn on.
		2	Auxiliary heat turns on.
20	Emergency heat	0	Heat and fan turn off.
		1	Heat and fan turn on.
		2	Auxiliary heat turns on.
30	Cooling system	0	The compressor and fan turn off.
		1	The compressor and fan turn on.
70	Thermostat	71	Software revision number (major revisions)
	information	72	Software revision number (minor revisions)
	(for reference only)	73	Configuration identification code (major)
		74	Configuration identification code (minor)
		75	Production configuration date code (week)
		76	Production configuration date code (year)

CAUTION: EQUIPMENT DAMAGE HAZARD
Compressor protection (minimum off time) is bypassed during testing. To prevent equipment damage, avoid cycling the compressor quickly.

A quick reference to controls

Digital display screen

Quick reference to display screen

Built-in compressor protection (Setup Function 15)

This feature helps prevent damage to the compressor.
Damage can occur if the compressor is re-started too soon after shutdown.This feature forces the compressor to wait for a few minutes before restarting.
During the wait time, the message Cool On or Heat On will flash on the display. When the safe wait time has elapsed, the message stops flashing and the compressor turns on.

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 the circuit breaker and reset if necessary.
  • Make sure the heating & cooling power switches are on.
  • Make sure the equipment door is securely closed.
  • If battery-powered, make sure fresh AA alkaline batteries are installed.
• Temperature settings do not change
  Make sure heating and cooling temperatures are set to acceptable ranges:
  • Heat: 40° to 90°F (4.5° to 32°C).
  • Cool: 50° to 99°F (10° to 37°C).
• The heating system does not respond (“Heat On” appears on the screen)
  • Check for 24 Vac at the equipment on the secondary side of the transformer between power and common. If voltage is not present, check the heating equipment to find the cause of the problem.
  • Check for 24 Vac between the heat terminal (Y) and the transformer common. If 24 Vac is present, the thermostat is functional. Check the heating equipment to find the cause of the problem.
  • Check for loose or broken wires between the thermostat and the heating equipment.
• The cooling system does not respond (“Cool On” appears on the screen)
  • Check for 24 Vac at the equipment on the secondary side of the transformer between power and common. If voltage is not present, check the cooling equipment to find the cause of the problem
  • Check for 24 Vac between the cooling terminal (Y) and the transformer common. If 24 Vac is present, the thermostat is functional. Check the cooling system to find the cause of the problem.
  • Check for loose or broken wires between the thermostat and the cooling equipment.
• “Cool On” or “Heat On” is flashing
  • Compressor protection timeout is engaged. Wait 5 minutes for the
    system to restart safely, without damage to the compressor.
• “Heat On” is not displayed
  • Set the System switch to Heat, and set the temperature level above the current room temperature.
• “Cool On” is not displayed
  • Set the System switch to Cool, and set the temperature level below the current room temperature.

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
  • Heat: 40° to 90°F (4.5° to 32°C)
  • Cool: 50° to 99°F (10° to 37°C)
• Operating Ambient Temperature
  • 32° to 120°F (0° to 48.9°C)
• Shipping Temperature
  • -20° to 120°F (-28.9° to 48.9°C)
• Operating Relative Humidity
  • 5% to 90% (non-condensing)
• Physical Dimensions
  • 3-13/16” H x 5-3/8” W x 1-1/4” D
  • 97 mm H x 137 mm W x 32 mm D

Electrical Ratings

 

 

 

 

 

Hive SLT1 smart link Thermostat fig-17
Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422
Honeywell Limited-Honeywell Limitée 35 Dynamic Drive
Scarborough, Ontario M1V 4Z9
http://yourhome.honeywell.com 

Honeywell PRO TH3210D PROGRAMMABLE THERMOSTAT Operating Manual

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