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INSTALLATION INSTRUCTIONS

62-0273-07

TB7100A1000 MultiPRO™
Multispeed and Multipurpose 
Thermostat

APPLICATION

The TB7100A1000 MultiPRO™ Multispeed and Multipurpose Thermostat provides electronic control of 24 Vac 
heating and cooling systems.

See Table 1 for a description.

Table 1. TB7100A Thermostat Description.

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 an old control.

INSTALLATION

When Installing this Product...

1.

Read these instructions carefully. Failure to fol-
low them could damage the product or cause a 
hazardous condition.

2.

Check ratings given in instructions and on the 
product to ensure the product is suitable for 
your application.

3.

Installer must be a trained, experienced service 
technician.

4.

After installation is complete, check out product 
operation as provided in these instructions.

Feature

Description

Powering Methods

Battery only

24 Vac only

24 Vac with battery backup

System Types

Conventional (1 Heat, 1 Cool stages)

Heat Pump (up to 2 Heat,1 Cool stages)

2 Pipe Fan Coil

2 Pipe Fan Coil with Auxiliary Heat

4 Pipe Fan Coil

PTAC (up to 2 Heat, 1 Cool)

Changeover

Manual or automatic changeover selectable

System Setting

Heat-Off-Cool-Auto

Fan Setting

Auto, On

Fan Speeds

Low, Medium, High

Remote Setback

Remote Setback Input for occupancy sensor or DDC setback

Fan Ramping 
Algorithm

VersaSpeed™ Fan Ramping Algorithm for automatic fan speed selection (fan coil and 
PTAC applications)

Summary of Contents for TB7100A1000 MultiPRO

Page 1: ...e the product or cause a hazardous condition 2 Check ratings given in instructions and on the product to ensure the product is suitable for your application 3 Installer must be a trained experienced service technician 4 After installation is complete check out product operation as provided in these instructions Feature Description Powering Methods Battery only 24 Vac only 24 Vac with battery backu...

Page 2: ...the wallplate for appearance only 3 Use a pencil to mark the mounting holes 4 Remove the wallplate from the wall and drill two 3 16 in holes in the wall if drywall as marked For firmer material such as plaster drill two 7 32 in holes Tap the wall anchors provided into the drilled holes until flush with the wall 5 Pull the wires through the wire hole on the wall plate and position the wallplate ove...

Page 3: ...at control cable Table 3 Wiring Diagrams WALLPLATE M22266 WALL OPENING WIRE SHADED AREA Terminal Designation Description RC see Note 1 Power for cooling connect to secondary side of cooling system transformer R see Note 1 Power for heating connect to secondary side of heating system transformer Y Compressor output C see Note 2 Common wire from secondary side of cooling system transformer W1 Heat r...

Page 4: ...OMMON CONNECTION IS OPTIONAL WHEN USED THE COMMON MUST CONNECT TO THE COOLING TRANSFORMER SECONDARY 1 3 2 3 L1 HOT L2 1 24 VAC L1 HOT L2 1 24 VAC C G Y O B RC R 2 INDOOR TEMPERATURE SENSOR REMOTE SETBACK W1 G2 G3 S1 S2 M27418 HEAT RELAY POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED FACTORY INSTALLED JUMPER WHEN USING BATTERIES THE 24V COMMON CONNECTION IS OPTIONAL 1 2 3...

Page 5: ...SET TO CONTROL AS EITHER O OR B IN THE INSTALLER SETUP OPTIONAL INDOOR REMOTE SENSOR OR REMOTE SETBACK WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE 3 L1 HOT L2 1 24 VAC AUXILIARY HEAT RELAY 4 2 INDOOR TEMPERATURE SENSOR REMOTE SETBACK 5 C G Y O B RC R W1 G2 G3 S1 S2 COOLING RELAY INDOOR TEMPERATURE SENSOR REMOTE SETBACK HEAT RELAY LOW FAN RELAY POWER SUPPLY PROVIDE DISCONNECT MEANS A...

Page 6: ...ROL AS EITHER O OR B IN THE INSTALLER SETUP OPTIONAL INDOOR REMOTE SENSOR OR REMOTE SETBACK WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE 3 L1 HOT L2 1 24 VAC 5 C G Y O B RC R 4 2 W1 G2 G3 S1 S2 HIGH FAN RELAY COMPRESSOR CONTACTOR M27427 CHANGEOVER VALVE 1 2 3 4 5 LOW FAN RELAY POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED FACTORY INSTALLED JUMPER WHEN USIN...

Page 7: ...rmostat wallplate Remove the metal jumper wire between RC and R Installing Batteries 1 Install two AA alkaline batteries on the back of the thermostat as marked See Fig 22 Fig 22 Installing batteries 2 Locate and remove the tab labeled Remove See Fig 23 IMPORTANT This tab must be removed in order to set the real time clock Fig 23 Remove tab labeled REMOVE from thermostat back Mount Thermostat to W...

Page 8: ... Fig 25 SETTING DATE TIME AFTER THERMOSTAT IS ALREADY FUNCTIONING Use the installer setup to set year month and day See the Installer Setup Numbers Settings and Tests section Fig 25 Setting calendar and time after initial powerup ADVANCED SETTINGS The thermostat has advanced settings to match the HVAC system These settings can be adjusted to match specific needs See the following section Installer...

Page 9: ...1 2178 0140 Date Month 6 1 12 0150 Date Day 15 1 31 Month Dependent 0160 Schedule Options 4 0 Non Programmable 4 Programmable 0170 System Selection 1 1 1H 1C Conv 2 1H w o fan 3 1H with fan 4 1C 5 1H 1C HP 6 2H 1C HP 7 4 pipe Fan Coil 8 2 pipe Fan Coil 9 2 pipe Fan Coil w Aux Heat 10 PTAC 1H 1C Hi speed Lo speed Fan 11 PTAC 2H 1C Hi speed Lo speed Fan Relay Y is used for 2 pipe fan coil output rel...

Page 10: ...efault mode is Cool 0340 Non program mable Remote Temp Sensor Remote Setback Changeover Input 0 0 None 1 Remote 10K Indoor 2 Remote 20K Indoor 3 Changeover 2 pipe Fan Coil modes only 4 Changeover 2 pipe Fan Coil modes only 5 Remote Setback 6 Remote Setback Only shown on models that offer remote sensing NO input default mode is Heat NO input default mode is Cool Hotel card NO with 1 second software...

Page 11: ...f Time 5 0 Off 2 2 minutes 3 3 minutes 4 4 minutes 5 5 minutes Only shown if system has cool stages in CNV Heat Pump PTAC ISU 0170 0600 Heat Temperature Range Stops 90 40 to 90 F 4 to 32 C Only shown if system has heat stages ISU 0170 0610 Cool Temperature Range Stops 50 50 to 99 F 10 to 37 C Only shown if system has cool stages ISU 0170 0640 Clock Format 12 12 12 Hour 24 24 Hour 0650 Extended Fan...

Page 12: ...e display temperature for indoor sensor and remote indoor sensor 0710 Restore Factory Defaults 0 0 No 1 Yes Resets all ISU parameters to default values and resets the schedule to default energy savings see Table 5 Retains only calendar settings and time 0720 Screen Display 2 0 Display Room Temperature 1 Display Setpoint 2 Display Both INSTALLER TESTS Test 1 Installer Test Cool 0 0 Off 1 Cool Stage...

Page 13: ...y are manual changeover only The thermostat will have a priority when choosing a system mode heat or cool When ISU 340 has a 2 pipe changeover sensor enabled the thermostat screen system mode will lock on heat or cool whatever the changeover sensor is communicating to the thermostat If ISU 340 does not have a changeover sensor enabled then the system mode from the thermostat screen can manually be...

Page 14: ...assed through the Installer System Test or it can be bypassed permanently by setting the Minimum Off Timer to 0 minutes in the Installer Setup The Minimum Off Timer is activated after the compressor turns off If the thermostat is system powered common wire the Minimum Off Timer is also activated upon initial startup and after power interruptions If there is a call for cooling or heating during the...

Page 15: ... the thermostat is functional Check the heating equipment to find the cause of the problem Loose or broken wire connection between thermostat and heating equipment Check for 24 Vac between the heat terminal W and transformer common If voltage is not present check wire connection loose or broken between the thermostat and the heating equipment Heat pump puts out cool air in the heat mode and warm a...

Page 16: ... 0170 is set to Heat Pump Set System Type Installer Setup Number 0170 to match the installed heating and or cooling equipment Heating equipment does not turn off and heat temperature setting is set below room temperature Heat On is not in the display Heating equipment is not a heat pump but System Type Installer Setup Number 0170 is set to Heat Pump Set System Type Installer Setup Number 0170 to m...

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