BRANT RADIANT MP User Manual

Premium User Interface

Installation, Operation, Maintenance Manual

Energy Saving Modulating Plus Controller for Re-Verber-Ray® Brand MP Series Heaters

Keep these instructions for future reference.

WARNING

Failure to read and follow all instructions carefully before installing or operating this control could cause personal injury and/ or property damage.

CAUTION

ELECTRICAL SHOCK HAZARD.

To prevent electrical shock and/ or equipment damage,

disconnect electric power to the system at the main fuse or circuit breaker box until installation is complete.

LIOPUI-Rev. 29112

Print: 1M-10/12_r1-6/13(CDS)

TH-PUI Series

Table of Contents

1.0 Introduction and Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Speciﬁcations .......................................................3

Quick Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.0 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Wiring Connections ...................................................6

Installer Conﬁguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Main Menu..........................................................7

Service Mode Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Commissioning Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Mode Map ..........................................................9

3.0 Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Manual Operation for Non-programmable Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Blast Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Mode Selection Guide................................................12

Connecting to a BMS System ..........................................13

4.0 Troubleshooting and Service ..............................................15

5.0 Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.0 Mounting Pattern ........................................................16

TH-PUI Series

1.0 Introduction and Overview

The Premium User Interface is a smart logic controller that offers the optimal performance out of the MP Series heater. It modulates the heater(s) with a full PID controller considering various inputs and outputs. It utilizes the current set temperature, room temperature, mode selected, and other items to set the speed of modulation. Therefore, the heater output optimally matches the heat loss of the space.

Speciﬁcations

Physical Dimensions:

Height: 7-3/4 Inches Width: 3-5/8 Inches Depth: 1-7/8 Inches

Programming Choices:

Non-programmable 7-Day programmable

Temperature Range:

35°F – 120°F

Differential:

1.0°F

Electrical Rating:

Connection Type – RS485 Constant Power – 15VDC (from heater) Battery – 3VDC (CR2032s)

Maximum Operating Humidity Level:

85% Non-Condensing

Additional Features:

Optional remote temperature sensor Optional outdoor air sensor Positive off BMS compatibility 4-20mA 0 -10VDC

Quick Reference

Figure 1.1 • TH-PUI Controller Features

TH-PUI Series

Digital Screen Display

Blast

Mode Key

Mode/Set

Key

Front View

#1 Phillips screw (6 provided)

Contrast

Adjust

Power Key

Down Arrow Key

Up Arrow Key

Thermostat

Wire Hole

Base

Mounting

Holes

BMS Jumper

Battery

Wire Terminal Block

Ribbon Connector

Figure 1.2 • TH-PUI Controller Home Screen Readout Description

Operation Mode

(Indicates the operation

that is currently selected)

Date

(Indicates the

present date)

Mounting

Holes

Set Temperature

(Indicates the desired temperature)

Time and Room Temperature

(Alternates between the time of day and the actual room temperature)

TH-PUI Series

2.0 Installation

WARNING

Electrical Shock Hazard

Disconnect power at the main fuse or breaker prior to installing this unit.

Installation

Using the template on page 16, mark hole locations for mounting and wire inlets.

Drill mounting holes. Ensure that the wires will feed through the wire opening in the base of the thermostat.

Remove cover from the base by unscrewing the two (2) #1 Phillips screws from the base. Carefully disconnect

ribbon connector from the base by pulling it straight off of the board.

CAUTION

Forcing or straining the ribbon cable will cause damage to the unit.

Fasten base snugly to the wall or mounting surface utilizing the mounting holes provided. Level as necessary

for visual purposes (unit being out of level will not affect performance).

Route 18 ga. shielded thermostat wire through the hole provided in the back of the base.

Connect wires to the terminal block following the appropriate wiring diagram.

Carefully re-connect the ribbon connector to the base and set the cover in place. Secure with the six (6)

screws provided.

Wiring Connections

Chart 2.1 • Terminal Wiring Designations

Terminal Designation Description

R (15+) Constant power 15VDC from heater

W (485-) RS485 communication wire, negative inverting pin

B (485+) RS485 communication wire, positive non-inverting pin

G (GND) Ground, reference for RS485, connection point for shield drain wire

COM Common wire from 4-20mA or 0-10V signal (OPTIONAL)

4-20mA 4-20mA signal from BMS system (OPTIONAL)

0-10VDC 0-10VDC signal form BMS system (OPTIONAL)

0-20VDC 0-20VDC signal controller (OPTIONAL)

Room Thermistor Connector for remote temperature sensor, 10kΩ (OPTIONAL)

Outdoor Thermistor Connector for outdoor temperature sensor, 10kΩ (OPTIONAL)

TH-PUI Series

Figure 2.1 • General Wiring Diagram

OUTDOOR

AIR SENSOR

485(-)

485(+)

4-20mA

+15V

COM

GND

ROOM

0-10V

THERMISTOR

OUTDOOR

THERMISTOR

ROOM

THERMISTOR

24VAC

open

COM

[Power In]

FUSE - 3A [Under Cover]

DIP SWITCHES UNDER COVER

[To Valve]

PWM (+)

PWM (-)

MODEL SELECT

CONN C

TSTAT (R)

TSTAT (W)

PROBE

COM

FAN

4-20mA

0-10/20V

T-STAT

POWER

SERVICE

M/S

CONNECTOR A

MODULATION

Detroit Radiant P/N TP-3250

EPN: EC-029-001

CONN B

IGNITION

SIGNAL

PROBE

Signal

On/Off

5v (+)

GND

SLAVE HEATER

MODEL SELECT

24VAC

open

COM

[Power In]

FUSE - 3A [Under Cover]

DIP SWITCHES

GND

485(-)

485(+)

[HIGH]

15V

Chasis

(+)

[LOW]

PRESSURE SENSOR

VALVE SIGNAL

open

COM (RELAY)

N.O. (RELAY)

BLOWER

NEUTRAL

UNDER COVER

CONN C

[To Valve]

TSTAT (R)

TSTAT (W)

PROBE

PWM (+)

PWM (-)

MASTER HEATER

CONN B

On/Off

FAN

SERVICE

MODULATION

On/Off

4-20mA

0-10/20V

T-STAT

POWER

M/S

CONNECTOR A

Detroit Radiant P/N TP-3250

EPN: EC-029-001

IGNITION

Signal

5v (+)

GND

COM

485(-)

485(+)

[HIGH]

15V

Chasis

(+)

[LOW]

PRESSURE SENSOR

SIGNAL

VALVE SIGNAL

open

COM (RELAY)

N.O. (RELAY)

BLOWER

NEUTRAL

TH-PUI Series

Installer Conﬁguration

To enter the menu, press Mode/Set. This displays the main menu of the controller. Press up arrow or

down arrow to cycle through the menu items. Press Mode/Set to adjust the selected menu item. Cycle

through the adjustment options with the up arrow or down arrow keys. Press Mode/Set to enter the

selected value. To return to the home screen, press the power key. Menus will auto exit after a

predetermined time if no action is taken.

Main Menu

Set the Desired Temperature: When the programmed schedule is turned off, this feature will allow the user

to select the desired temperature. If the unit is set to operate within the scheduled program, the set point temperature is bypassed.

Select Mode: This feature allows the user or installer to select the desired operating mode of the heater(s).

There are three modes to choose from: Economy, Standard, or Comfort. For more information on the modes, see pages 8 & 9 or refer to the MP Series Insert Manual (LIOMP).

Run Program: This controller has the ability to run on a 7-day programmable schedule or operate as a

non-programmable thermostat. In this menu, user can turn the program on or off, or enter the sub-menu to adjust the program schedule.

Set Date: Adjust the date to the current calendar date.

Set Time: Adjust the time to the current time of day.

Service Mode: This menu will allow the installer to enter into a sub-menu of conﬁgurations that is not

normally accessed by the user. To enter this menu, press the Mode/Set key twice.

Exit: Select this menu item to exit to the previous menu, or simply press the power key to return to the

home screen.

Service Mode Menu

Set Temperature Sensor: This allows user to select the method of sensing the temperature.

The options are Local, Heater, and Remote.

A. Local: Utilizes the built in thermistor on the Premium User Interface.

B. Remote: Utilizes a remote thermistor connected to the Premium User Interface.

C. Heater: Utilizes a thermistor connected to the modulating controller on the heater.

Outdoor Sensor: The installer can specify if an outdoor air temperature sensor is attached. This allows

additional features to be activated on the Premium User Interface. For more information, reference the MP Series Insert Manual (LIOMP).

High Temperature Lockout: This feature allows user to turn on or off the ability to keep the heater from

coming on if the outdoor temperature is higher than the desired temperature.

Set Temperature Lockout: User can adjust the set point temperature for the high temperature lockout.

The factory default is 100°F.

Set °F / °C Display: Select the desired temperature unit of measure. Factory default is °F.

TH-PUI Series

Format Time: Select the desired time format from 12hr to 24hr. Factory default is 12hr.

Daylight Savings: Select if the unit is to automatically correct for daylight savings. Factory default is off.

Backlight Format: This feature allows user to have the backlight on continuously or just on with the touch of

a key. In low light conditions, the continuous backlight improves contrast.

Software Version: This will display the software version of the Premium User Interface.

Lifetime Statistics: This will allow the user to view some key statistics of the heater, such as the number of

cycles, total runtime hours, total heating hours, and number of faults. For troubleshooting purposes, user can reset the statistics if needed.

Building Management System (BMS): The Premium User Interface can be connected to most building

management systems. This menu item allows the installer to select the type of BMS employed. In addition, the jumper on the base must also be set to the proper type (4-20mA or 0-10VDC). For more information, see Building Management Systems on page 13 of this manual.

Commissioning: This feature allows the installer to enter another sub-menu where they can select certain tools for troubleshooting or commissioning. The code to enter this menu is a three (3) character code:

A. Press in sequence: Mode/Set, up arrow, down arrow.

Reset Control: This feature allows the controller to be reset to the factory default settings.

Exit Service: This will allow user to exit back to the main menu.

Commissioning Menu

Model of Heater: This will display the model of the Master heater as well as the heater’s software version.

Test Firing Rate: To assist in measuring a stable manifold pressure this feature allows the unit to be

temporarily locked into a test ﬁring rate of 100% or 1%. Please reference the MP Series Insert Manual (LIOMP) for proper manifold pressures.

Pressure Differential: This feature allows the technician or installer to read the pressure differential of the

master heater as it is running. This is measured by the pressure transducer of the modulating controller.

% Open Gas Valve: This feature allows the technician or installer to read the heaters % open of the gas

valve as determined by the modulating controller. This is for reference only, and does not necessarily indicate proper operation of the heater.

Exit: This feature will return user to the previous menu, the Service Mode Menu.

TH-PUI Series

Mode Map

Home Screen

PROGRAM MENU

(Auto exit after 5 min.)

MONDAY

OCCUPIED 70°F

UNOCCUPIED 62°F

TUESDAY

OCCUPIED 70°F

UNOCCUPIED 62°F

WEDNESDAY

OCCUPIED 70°F

UNOCCUPIED 62°F

THURSDAY

OCCUPIED 70°F

UNOCCUPIED 62°F

FRIDAY

OCCUPIED 70°F

UNOCCUPIED 62°F

SATURDAY

OCCUPIED 70°F

UNOCCUPIED 62°F

SUNDAY

OCCUPIED 70°F

UNOCCUPIED 62°F

TIMING ADJUST

EXIT

MAIN MENU

(Auto exit after 20 sec.)

SET TEMPERATURE

70°F

SELECT MODE

ECONOMY

STANDARD

COMFORT

RUN PROGRAM

OFF

ADJUST SCHEDULE

EXIT

SET DATE

DD-MMM-YY

SET TIME

12:00A

SERVICE MODE

ENTER SERVICE

EXIT

TIMING ADJUST

(Auto exit after 20 sec.)

WEEKDAYS

OCCUPIED 06:00A

UNOCCUPIED 05:00P

SATURDAY

OCCUPIED 08:00A

UNOCCUPIED 05:00P

SUNDAY

OCCUPIED 08:00A

UNOCCUPIED 05:00P

EXIT

SERVICE MODE

(Auto exit after 5 min.)

SET TEMP SENSOR

LOCAL

REMOTE

HEATER

OUTDOOR SENSOR

NOT INSTALLED

INSTALLED

HIGH TEMP LOCK

OFF

SET TEMP LOCKOUT

100°F

SET °F/°C DISPLAY

°F

°C

FORMAT TIME

12 Hr

24 Hr

DAYLIGHT SAVINGS

AUTO ADJUST

OFF

BACKLIGHT FORMAT

ON WITH TOUCH

ALWAYS ON

SOFTWARE VERSION

VERSION X.X

LIFETIME STATS

CYCLES: XXXXXX

HOURS: XXXXXX

FAULTS: XXXXXX

RESET STATISTICS

STATE OF CONTROL

(STATES OR ERRORS)

BLDG MGMT SYSTEM

4-20mA

0-10VDC

OFF

COMMISSIONING

CODE ACCESS ONLY

RESET CONTROL

RESET TO DEFAULT

EXIT

COMMISSIONING

(Auto exit after 30 min.)

MODEL OF HEATER

MP-115N V 8.0

TEST FIRING RATE

OFF

100% (BLAST)

1% (MINIMUM)

PRESSURE DIFF

0.200

% Open Gas Valve

EXIT

TH-PUI Series

3.0 Programming

Programming

Prior to adjusting the program schedule, verify that the date and time are properly set. The program will run on a 7 day schedule. The controller will offer two set points for each day of the week. One for occupied, and one for unoccupied. The times and temperatures of these are adjustable to the users needs to reach their comfortable temperature.

Chart 3.1 • Factory Pre-Set Programming

Day of the Week

Monday 6:00A 70°F 5:00P 62°F

Tuesday 6:00A 70°F 5:00P 62°F

Wednesday 6:00A 70°F 5:00P 62°F

Thursday 6:00A 70°F 5:00P 62°F

Friday 6:00A 70°F 5:00P 62°F

Saturday 6:00A 70°F 5:00P 62°F

Sunday 6:00A 70°F 5:00P 62°F

To Adjust the Program:

Press the Mode/Set key to bring up the main menu.

Press the down arrow key twice (2X) until the screen called ‘Run Program’ is displayed.

Press the Mode/Set key to activate the selection ﬁeld.

Press the down arrow key until the selection ‘Adjust schedule’ is ﬂashing, then press Mode/Set.

Press the up arrow or down arrow key to cycle through the days of the week and the occupied and

unoccupied desired temperature.

Time Temperature Time Temperature

Occupied Unoccupied

To adjust the desired temperature, press the Mode/Set key to initiate the temperature to start ﬂashing.

Using the up arrow or down arrow, adjust the temperature to the desired set point.

Repeat steps 5-6 until all of the program temperatures are set to the desired set point.

To set the time schedule for the occupied and unoccupied times, select ‘Timing adjust’ from the menu and

press Mode/Set.

Select the desired timing to adjust and press the Mode/Set key. Press the up arrow or

down arrow to adjust the hours. Press Mode/Set again to adjust the minutes. Press Mode/Set

to lock in the adjusted timing.

Once all timings have been selected, press power key or select Exit to return to the home screen.

TH-PUI Series

Chart 3.2 • Worksheet for Re-Programming the 7-Day Program

Day of the Week

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Time Temperature Time Temperature

Occupied Unoccupied

Manual Operation for Non-programmable Mode

The TH-PUI controller has the ability to run like a standard non-programmable thermostat. To activate this ability,

the ‘run program’ must be off. To verify this, from the home screen, press the Mode/Set key, then the

down arrow key twice. The header will display ‘RUN PROGRAM’. The bottom line should read ‘OFF’. If it does

not, press the Mode/Set key until the bottom line is ﬂashing and then select off with the up arrow or

down arrow key.

Press Mode/Set key to bring up the main menu.

Press the down arrow key twice until the screen called ‘Run Program’ is displayed.

Press the Mode/Set key to activate the selection ﬁeld.

Press the down arrow key until the selection ‘Adjust schedule’ is ﬂashing, then press Mode/Set.

BLAST Mode

The BLAST Mode allows users to temporarily override the preset program or temperature setting by turning on the heater(s) to 100% input rate and not allowing it to modulate. This feature would be used to compensate for rapid changes in the environment, such as a loading door open, a cold mass introduced into the environment, or other high demand situations. This is a temporary, timed option that is selected by the user on demand.

When the Blast key is pressed, it will initiate the blast mode. The desired timer for the mode can then be

selected by pressing the up arrow or down arrows. The timing is set in 10 minute increments, with a

maximum time of 50 minutes. During the sequence, the operation mode indicator will read BLAST, and the remaining time will be read in the date indicator area. Once the timer has expired, the unit will revert back to the normally scheduled program.

Figure 3.1 ● Blast Mode Display

TH-PUI Series

Blast Selection

If BLAST enabled:

Display L1: BLAST replaces MODE Display L2: BLAST minutes replace DATE

Blast Operation

During BLAST operation:

L2: Countdown minutes remaining (colon ﬂashes to indicate timer active)

Blast mode can never be locked on indeﬁnitely. If the heater is transitioning from BLAST mode to the normally scheduled program, the heater may not shut off if the program is not satisﬁed. However, it will revert back to the ability to fully modulate. To discontinue Blast Mode, press down arrow until no time remains.

Mode Selection Guide

The MP Series heater is programmed to operate on several different performance curves, or ‘MODES’. These curves are to allow the user to select their desired operation that best accommodates their speciﬁc need. The performance curves can be selected by the Premium User Interface (TH-PUI) under the main menu.

The three available modes are:

Economy Mode: Unit operates to maximize thermal efﬁciency.

Comfort Mode: Unit operates to maximize perceived human comfort.

Standard Mode: Unit operates as a balance between comfort and economy mode.

These modes can be selected at any time during normal cycles of the heater. The currently selected mode will be displayed in the upper left hand corner of the home screen. Factory default is ‘Comfort Mode’.

Chart 3.3 • Mode Selection and Application Chart

Comfort Mode Standard Mode Economy Mode

• Patios

• Loading docks

• Break areas and lunch rooms

• Kennels

• Parts counters and service desks

• Golf driving ranges

• Woodworking shops

For more information about the modes and their performance curves, please see the MP Series Insert Manual (LIOMP).

• Service garages

• Fire stations

• Populated warehouse heating

• Manufacturing

• Auto showrooms

• Aircraft hangars

• Car washes

• Pole barns

• Foundries

• Unpopulated warehouses

TH-PUI Series

To Select the Desired Mode:

Press the Mode/Set key to bring up the main menu.

Press the down arrow key twice until the ‘Select Mode’ screen is displayed.

Press the Mode/Set key to activate the selection ﬁeld.

Press the up arrow key or down arrow key to select the desired mode.

Press the Mode/Set key to lock in the selection.

Press the power key to exit and return to the home screen.

Connecting to a BMS System

The Premium User Interface allows a building management system or remote analog signal to be used to dictate the ﬁring rate of the MP Series. Most building management systems output a PID loop control for this purpose. The Premium User Interface can receive a 4-20mA signal, 0-10VDC signal, or 0-20VDC signal. The input rate of the heater is varied linearly according to the percentage of the signal. If a positive off is desired, the control signal

can be wired in series through another set of contacts on the BMS controller.

Conﬁguring the Premium User Interface for a BMS System

1 Ensure the proper wire connections are made per the selected system’s signal (see wiring diagram).

2 Conﬁgure the BMS Jumper located in the upper right corner of the base to the proper position for the system’s

signal (see ﬁgure 2.2).

3 Under the Service mode Menu (See page 7, Service Mode), select ‘BLDG MGMT SYSTEM’. Press

Mode/Set key.

4 Press up arrow or down arrow key to select the appropriate signal being connected.

5 Press the Mode/Set key again to lock in the selection.

6 Press the power key to return back to the home screen.

NOTE: The Building Management System (BMS) option under the Service Access Menu must be turned on to the correct conﬁguration in order for the heater to operate according to the signal. If it is ‘OFF’ then the heater will revert back to the normal operation of the schedule built into the Premium User Interface.

Figure 3.2 • BMS Jumper Conﬁgurations

No Jumper

Place Jumper Here

0-10VDC WIRING DIAGRAM

Figure 3.3 • 0-10VDC Wiring Diagram

+15V

485(-)

485(+)

0-10V

COM

4-20mA

THERMISTOR

ROOM

THERMISTOR

OUTDOOR

GND

OUTDOOR

AIR SENSOR

ROOM

THERMISTOR

4-20mA

SIGNAL

MODEL SELECT

CONNECTOR A

PWM (+)

PWM (-)

TSTAT (R)

TSTAT (W)

PROBE

CONN C

CONN B

On/Off

5v (+)

Signal

open

N.O. (RELAY)

COM (RELAY)

VALVE SIGNAL

GND

BLOWER

NEUTRAL

24VAC

open

COM

DIP SWITCHES UNDER COVER

SERVICE

MODULATION

FAN

T-STAT

POWER

FUSE - 3A [Under Cover]

IGNITION

SIGNAL

PRESSURE SENSOR

[To Valve]

Detroit Radiant P/N TP-3250

EPN: EC-029-001

[LOW]

[HIGH]

[Power In]

M/S

MODEL SELECT

CONNECTOR A

PWM (+)

PWM (-)

TSTAT (R)

TSTAT (W)

PROBE

CONN C

CONN B

On/Off

5v (+)

Signal

open

N.O. (RELAY)

COM (RELAY)

VALVE SIGNAL

GND

BLOWER

NEUTRAL

24VAC

open

COM

DIP SWITCHES UNDER COVER

SERVICE

MODULATION

FAN

T-STAT

POWER

FUSE - 3A [Under Cover]

IGNITION

SIGNAL

0-10/20V

4-20mA

COM

Chasis

15V

(+)

PRESSURE SENSOR

GND

485(+)

485(-)

[To Valve]

Detroit Radiant P/N TP-3250

EPN: EC-029-001

[LOW]

[HIGH]

[Power In]

M/S

0-10/20V

4-20mA

COM

Chasis

15V

(+)

GND

485(+)

485(-)

MASTER HEATER

SLAVE HEATER

485(-)

485(+)

+15V

GND

4-20mA

THERMISTOR

OUTDOOR

COM

THERMISTOR

ROOM

0-10V

TH-PUI Series

OUTDOOR

AIR SENSOR

ROOM

THERMISTOR

0-10V

SIGNAL

GND

COM

485(-)

485(+)

FAN

[HIGH]

15V

Chasis

4-20mA

0-10/20V

T-STAT

POWER

SERVICE

M/S

CONNECTOR A

MODULATION

(+)

[LOW]

PRESSURE SENSOR

Detroit Radiant P/N TP-3250

EPN: EC-029-001

CONN B

IGNITION

SIGNAL

PROBE

VALVE SIGNAL

open

COM (RELAY)

Signal

N.O. (RELAY)

BLOWER

On/Off

NEUTRAL

On/Off

5v (+)

GND

24VAC

open

COM

[Power In]

FUSE - 3A [Under Cover]

DIP SWITCHES UNDER COVER

[To Valve]

PWM (+)

PWM (-)

MODEL SELECT

CONN C

TSTAT (R)

TSTAT (W)

MODEL SELECT

24VAC

open

COM

[Power In]

FUSE - 3A [Under Cover]

DIP SWITCHES

GND

COM

485(-)

485(+)

FAN

[HIGH]

15V

Chasis

4-20mA

0-10/20V

T-STAT

POWER

SERVICE

M/S

CONNECTOR A

MODULATION

(+)

[LOW]

PRESSURE SENSOR

Detroit Radiant P/N TP-3250

EPN: EC-029-001

CONN B

IGNITION

SIGNAL

PROBE

VALVE SIGNAL

open

COM (RELAY)

Signal

N.O. (RELAY)

BLOWER

On/Off

NEUTRAL

On/Off

5v (+)

GND

UNDER COVER

CONN C

[To Valve]

TSTAT (R)

TSTAT (W)

PROBE

PWM (+)

PWM (-)

MASTER HEATER

SLAVE HEATER

Figure 3.4 • 4-20mA Wiring Diagram

TH-PUI Series

4.0 Troubleshooting and Service

Troubleshooting

When ‘Reset Control’ is performed, installer conﬁgurations and programming will reset to default factory settings.

Chart 4.1 • Troubleshooting Chart

Symptom Cause Corrective Action

Blank Screen Control is wired improperly.

Power to heater is off. Heater control board has open fuse.

No Heat Improper wiring.

Improper control set-up.

Blower Flue or intake obstruction.

Motor seized. Improper wiring to motor. Pressure tubes incorrectly installed. Bad pressure sensor.

Ignition Module Failure

Ignition Soft Lockout Flame sense failure.

Ignition Hard Lockout

Sensor Error Incorrect sensor selected in set-up.

Internal Software Error

Model Selection or Setup Error

Communication Error (MC)

Communication Error (UI)

Error with User Interface

Failed ignition module. Faulty pressure switch. Faulty wiring.

Faulty gas valve. Faulty heater wiring. Broken glo-bar.

Multiple ﬂame sense failures. Faulty gas valve. Faulty heater wiring. Broken glo-bar.

Open or shorted thermistor. Improper thermistor type. Incorrect displayed temperature.

Bad checksum. Reset control.

Invalid model. Incorrect DIP conﬁguration.

Control cannot establish communication with heater. Faulty wiring. Software failure.

Heater cannot establish communication with controller. Reset control.

Key pad shorted or closed for a time greater than 1 minute. Ribbon connector is not properly connected.

Correct wiring. Restore power to heater. Replace 3A ATO or APS (Violet) fuse.

Correct wiring. Verify proper control set-up. Heater requires service.

Remove obstruction. Verify blower operation. Correct wiring. Repair pressure tube connections. Replace modulating circuit board.

Correct wiring. Replace faulty pressure switch. Replace faulty ignition module.

Heater needs service. Replace ignition module. Replace gas valve. Correct faulty heater wiring.

Reset main power to heater. Reset controller. Heater needs service. Replace ignition module. Replace gas valve. Correct faulty heater wiring. Consult factory.

Verify proper control set-up. Correct wiring. Replace thermistor.

Replace control. Consult factory.

Verify model selector jumper with factory. Verify DIP switch settings.

Reset control. Verify correct wiring. Consult factory.

Verify correct wiring. Consult factory.

Verify proper connection of ribbon connector. Reset control. Replace keypad. Consult factory.

TH-PUI Series

5.0 Limited Warranty

One-Year Limited Warranty. Detroit Radiant Products Company (hereinafter referred to as the Company) warrants to the original purchaser or original user that the control covered in this manual is free from defects in material or workmanship under normal use and service. The Company’s sole obligation under this warranty shall be limited to furnishing replacement parts, F.O.B. Warren, Michigan, for 12 months from the date of initial installation of the heater, but not to exceed 18 months from the date of shipment by the Company of the heaters, for any parts which the Company’s examination shall disclose to its satisfaction to be defective. Defective parts are to be returned to the Company, transportation charges prepaid.

The warranties herein shall be null and void if the unit is not installed by a competent heating contractor and/or if the unit is not installed according to Company instructions, normal industry practices and/or if the unit is not maintained and repaired according to Company’s instructions. Normal product degradation and wear (rust, oxidation, etc.) does not constitute a material defect and applicable warranty claim.

Written permission is required for the return of any parts or equipment and any such return must be made on the basis of transportation charges prepaid. Shipment may be refused unless prior written permission is obtained and goods returned prepaid.

This Warranty applies only within the United States.

6.0 Mounting Pattern

Cut out and use this pattern to assist in

locating the proper mounting holes.

1:1 SCALE

BRANT RADIANT MP User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual