Pro1 Technologies T631-2 Non-Programmable Thermostat Installational Guide

Pro1 Technologies T631-2 Non-Programmable Thermostat

Pro1 Technologies
P.O. Box 3377
Springfield, MO 65808-3377
Toll-Free: 888-776-1427
Web: www.pro1iaq.com
Hours of Operation: M-F 9 AM – 6 PM Eastern

Thermostat Application Guide

Description
Gas or Oil Heat	Yes
Electric Furnace	Yes
Heat Pump (No Aux. or Emergency Heat)	Yes
Heat Pump (With Electric Aux.)	Yes
Heat Pump (With Gas Aux.)	No
Multi-Stage Systems	No
Heat Only Systems – Floor or Wall Furnace	Yes
Cool Only Systems	Yes
High and Low Fan Speed	Yes
Millivolt	No
Emergency Heat	No
Conventional Single Stage Furnace	Yes
Geothermal	Yes

Power Type

• Battery Power
• Hardwire (Common Wire)
• Hardwire (Common Wire) with
• Battery Backup

A trained, experienced technician must install this product. Carefully read these instructions. You could damage this product or cause a hazardous condition if you fail to follow these instructions.

Installation Tips

Wall Locations
The thermostat should be installed approximately 4 to 5 feet above the floor. Select an area with average temperature and good air circulation.

Installation Tip
Pick an installation location that is easy for the user to access. The temperature of the location should be representative of the building.

Subbase Installation

1. Horizontal Mount
2. Vertical Mount

For vertical mount put one screw on the top and one screw on the bottom. For horizontal mount put one screw on the left and one screw on the right.

Do not install thermostats in locations:

• Close to hot or cold air ducts
• That is in direct sunlight
• With an outside wall behind the thermostat
• In areas that do not require conditioning
• Where there are dead spots or drafts (in corners or behind doors)
• Where there might be concealed chimneys or pipes

Installation Tip:
Electrical Hazard
Failure to disconnect the power before beginning to install this product can cause electrical shock or equipment damage.

Mercury Notice
All of our products are mercury-free. However, if the product you are replacing contains mercury, dispose of it properly. Your local waste management authority can give you instructions on recycling and proper disposal.

Installation Tips

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

Battery Installation

Thermostat Quick Reference

1. LCD
2. Fan Switch
3. System Switch
4. Setpoint Buttons

Removing The Private Label Badge

Important
The low battery indicator is displayed when the AA battery power is low. If the user fails to replace the battery within 21 days, the screen will only show the low battery indicator but maintain all functionality. If the user fails to replace the batteries after an additional 21 days (days 22-42 since the first “low battery” display) the setpoints will change to 55˚F (Heating) and 85˚F (Cooling). If the user adjusts the setpoint away from either of these, it will hold for 4 hours and then return to either 55˚F or 85˚F. After day 63 the batteries must be replaced immediately to avoid freezing or overheating because the thermostat will shut the unit off until the batteries are changed. Gently slide a screwdriver into the bottom edge of the badge. Gently turn the screwdriver counterclockwise. The badge is held on by a magnet in the well of the battery door. The badge should pry off easily. DO NOT USE FORCE.

About The Badge
All of our thermostats use the same universal magnetic badge. Visit the company website to learn more about our free private label program.

Wiring

1. If you are replacing a thermostat, make note of the terminal connections on the thermostat that is being replaced. In some cases, the wiring connections will not be color coded. For example, the red wire may not be connected to the R terminal.
2. Loosen the terminal block screws. Insert wires then retighten terminal block screws. Do not overtighten terminal block screws, as this can damage the terminal block.
3. A damaged terminal block can keep the thermostat from fitting on the sub base correctly or cause system operation issues. Max Torque = 6in-lbs.

Terminal	1 Heat 1 Cool Conventional System	1 Heat 1 Cool Heat Pump System	2 Heat 1 Cool Heat Pump System
R	Transformer power (cooling)	Transformer power (cooling)	Transformer power (cooling)
C	Transformer common	Transformer common	Transformer common
B	Energized in heating	Heat pump changeover valve energized in heating	Heat pump changeover valve energized in heating
O	Energized in cooling	Heat pump changeover valve energized in cooling	Heat pump changeover valve energized in cooling
GL	Fan Relay, Low	Fan Relay, Low	Fan Relay, Low
GH	Fan Relay, High	Fan Relay, High	Fan Relay, High
W	First stage of heat	N/A	Second stage of heat
Y	First stage of cool	First stage of heat & cool	First stage of heat & cool

This thermostat is shipped from the factory to operate a conventional heating and cooling system. This thermostat will also operate a heat pump system. See the “heat pump” configuration step on page 10 of this manual to configure the thermostat for heat pump applications. Failure to disconnect the power before beginning to install this product can cause electrical shock or equipment damage.All components of the control system and the thermostat installation must conform to Class II circuits per the NEC Code.

C Terminal
The C (common wire) terminal does not have to be connected when the thermostat is powered by batteries.

Wire Specifications
Use shielded or non-shielded 18-22 gauge thermostat wire. When connecting the T631-2 to a PTAC, refer to the PTAC manufacturer’s instructions to enable remote thermostat operation.

Technician Setup

Electric: The thermostat operation jumper pin should be put in the ELEC position. This setting allows the thermostat to operate the fan during a call for heat. Most PTAC systems will require ELEC Fan Operation Setup.
Gas: For systems that control the fan during a call for heat put the jumper pin into the GAS position.

Fahrenheit/Celsius Display
Select F or C with the jumper pin to select desired display.

Compressor Short Cycle Delay
The compressor’s short cycle delay protects the compressor from short cycling. This feature will not allow the compressor to be turned on for 5 minutes after it was last turned off. Using the jumper on the back of the thermostat, selecting ON will not allow the compressor to be turned on for 5 minutes after the last time the compressor was on. Selecting OFF will remove this delay.

Important
The RESET button must be pressed after changing any switch or jumper pin setting. Batteries must be installed for this operation.

1. Set the thermostat system switch to OFF.
2.  To enter Tech Setup Menu, press and hold together for 3 seconds.
3. Use or select the desired setting for each option.
4. Tap together to move to the next option.
5. To exit Tech Setup Menu, move the system switch or wait 15 seconds.

Tech Setup Steps		LCD Will Show	Adjustment Options	Default
Room Temperature Calibration	This feature allows the installer to change the calibration of the room temperature display. For example, if the thermostat reads 70˚ and you would like it to read 72˚ then select +2.	CA 0	You can adjust the room temperature display to read up to 4˚above or below the factory calibrated reading.	0˚F
Change Over Valve Selection	Select 0 for a changeover valve that energizes in cooling. Select b for a change over valve that energizes in heating.	C0 0	0 for cooling changeover valve. b for heating changeover valve.	0
Heat Pump	When turned on the thermostat will operate a heat pump. Y will be the first stage of heat & cool, W will be the second stage of heat.	HU 0F	OFF configures the thermostat for non heat pump systems. ON configures the thermostat for heat pump systems.	OFF
Heating Temperature Setpoint Limit	This feature allows you to set a maximum heat setpoint value. The setpoint temperature cannot be raised above this value.	HE 90	45.0˚ – 90.0˚ F 7.0˚ – 32.0˚ C	90˚F
Cooling Temperature Setpoint Limit	This feature allows you to set a minimum cool setpoint valve. The setpoint temperature cannot be lowered below this value.	CL 45	45.0˚ – 90.0˚ F 7.0˚ – 32.0˚ C	45˚F

Wiring Diagrams

1. Power supply
2. Jumper (not supplied) to connect GL and GH terminals.
3. Typical 1H/1C System: 2-Speed Fan
4. The thermostat must be set to O and B to match the changeover valve, O is the cool changeover valve, and B is the heat changeover valve. The Aux Heat Relay is energized as the second stage of heat.

Typical 1H/1C Heat Pump System: 2-Speed Fan

Most PTAC systems support two-speed fan operation. In a single-speed fan PTAC system or conventional single-speed fan system, a jumper should be installed between GL and GH on the thermostat.

Swing Setting

1. Set the thermostat system switch to the desired position (COOL or HEAT).
2. Press and hold together for 3 seconds.
3. Use or adjust desired swing setting. (The display reads in tenths of a degree.)
4. To exit, move the system switch or wait 15 seconds.

Swing Settings			LCD Will Show		Adjustment Options		Default
Cooling Swing (SYSTEM COOL)	The swing setting, often called “cycle rate”, “differential” or “anticipation” is adjustable. A smaller swing setting will cause more frequent cycles and a larger swing setting will cause fewer cycles.	08		The cooling swing setting is adjustable from 0.2˚ to 2˚. For example: A swing setting of 0.5˚ will turn the cooling on at approximately 0.5˚ above the setpoint and turn the cooling off at approximately 0.5˚ below the setpoint.		0.8˚
Heating Swing (SYSTEM HEAT)	The swing setting, often called “cycle rate”, “differential or “anticipation” is adjustable. A smaller swing setting will cause more frequent cucles and a larger swing setting will cause fewer cycles.	08		The heating swing setting is adjustable from 0.2˚ to 2˚. For example: A swing setting of 0.5˚ will turn the heating on at approimately 0.5˚ below the setpoint and turn the heating off at approximately 0.5˚ above the setpoint.		0.8˚

The second stage of Heat will turn on at 2x the swing set. The second stage will turn off when 1x the swing is reached. For example, if the swing set is 0.8˚ for heating and the thermostat is set at 70˚ F, the first stage will turn on at approximately 69.2˚ F. The second stage will turn on at 68.4˚F and the first will turn off at 70.8˚ F.

Specifications

• The display range of temperature … 41˚F to 95˚F (5˚C to 35˚C)
• The control range of temperature…. 44˚F to 90˚F (7˚C to 32˚C)
• Load rating………………………………………….1 amp per terminal, 1.5 amp
• maximum for all terminals combined
• Swing (cycle rate or differential) …… The heating is adjustable from 0.2˚ to 2.0˚
• Cooling is adjustable from 0.2˚ to 2.0˚
• Power source …………………………………….18 to 30 VAC, NEC Class II, 50/60 Hz for hardwire
• Battery power from 2 AA Alkaline batteries
• Operating ambient …………………………. 32˚F to +105˚F (0˚C to +41˚C)
• Operating humidity ………………………… 90% non-condensing maximum
• Dimensions of thermostat …………….. 4.7”W x 4.4”H x 1.1”D
• Frequency ………………………………………… 916 MHz

Reference

Download Manual:

Pro1 Technologies T631-2 Non-Programmable Thermostat Installational Guide

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