Trane TDHMB080ACV3VA User Manual

Service Facts
© 2011 Trane All Rights Reserved
NOTICE: Since the manufacturer has a policy of continuous product and product data
improvement, it reserves the right to change design and specifications with-
out notice.
PRODUCT SPECIFICATIONS
1
MODEL
TYPE
RATINGS 2
40% (low) heat Input BTUH
40% (low) heat Capacity BTUH (ICS) 36
100% (high) heat Input BTUH
100% (high) heat Capacity BTUH (ICS) 3
Temp. rise (Min.-Max.) °F.
AFUE
BLOWER DRIVE
Diameter - Width (In.)
No. Used
Speeds (No.)
CFM vs. in. w.g.
Motor HP
R.P.M.
Volts / Ph / Hz
COMBUSTION FAN - Type
Drive - No. Speeds
Motor HP - RPM
Volts / Ph / Hz
FLA
FILTER — Furnished?
Type Recommended
Hi Vel. (No.-Size-Thk.)
VENT — Size (in.)
HEAT EXCHANGER
Type -Fired
-Unfired
Gauge (Fired)
ORIFICES — Main
Nat. Gas. Qty. — Drill Size
L.P. Gas Qty. — Drill Size 5
GAS VALVE
PILOT SAFETY DEVICE
Type
BURNERS — Type
Number
POWER CONN. — V / Ph / Hz 4
Ampacity (In Amps)
Max. Overcurrent Protection (Amps)
PIPE CONN. SIZE (IN.)
DIMENSIONS
Crated (In.)
WEIGHT
Shipping (Lbs.) / Net (Lbs)
*UHMB080ACV3VA
Upflow/ Horizontal
32,000
30,000
80,000
75,000
35 - 65
95.0
DIRECT
10 x 8
1
Variable
See Fan Performance Table
1/2
Variable
115/1/60
Centrifugal
Direct - Variable
1/50 - 5000
33 - 110/3/60 - 180
5.8
Yes
High Velocity
1 - 17x25 - 1 in.
2 Round
Aluminized Steel - Type I
20
4 — 45
4 — 56
Modulating
Hot Surface Igniter
Multiport Inshot
4
115/1/60
8.7
15
1/2
H x W x D
41-3/4 x 19-1/2 x 30-1/2
168 / 156
IMPORTANT — This document contains a wiring diagram and service information. This is customer property and is to
remain with this unit. Please return to service information pack upon completion of work.
DISCONNECT POWER BEFORE SERVICING
WARNING
*UHMB060ACV3VA
Upflow/ Horizontal
24,000
23,000
60,000
57,000
35 - 65
95.0
DIRECT
10 x 8
1
Variable
See Fan Performance Table
1/2
Variable
115/1/60
Centrifugal
Direct - Variable
1/50 - 5000
33 - 110/3/60 - 180
5.8
Yes
High Velocity
1 - 17x25 - 1 in.
2 Round
Aluminized Steel - Type I
20
3 — 45
3 — 56
Modulating
Hot Surface Igniter
Multiport Inshot
3
115/1/60
8.7
15
1/2
H x W x D
41-3/4 x 19-1/2 x 30-1/2
158 / 146
*UHMC100ACV4VA
Upflow/ Horizontal
40,000
38,000
100,000
95,000
35 - 65
95.0
DIRECT
10 x 10
1
Variable
See Fan Performance Table
1
Variable
115/1/60
Centrifugal
Direct - Variable
1/50 - 5000
33 - 110/3/60 - 180
7.8
Yes
High Velocity
1 - 20x25 - 1 in.
3 Round
Aluminized Steel - Type I
20
5 — 45
5 — 56
Modulating
Hot Surface Igniter
Multiport Inshot
5
115/1/60
11.2
20
1/2
H x W x D
41-3/4 x 23 x 30-1/2
197 / 185
*UHMD120ACV5VA
Upflow/ Horizontal
54,000
52,000
120,000
114,000
40 - 70
95.0
DIRECT
10 x 10
1
Variable
See Fan Performance Table
1
Variable
115/1/60
Centrifugal
Direct - Variable
1/50 - 5000
33 - 110/3/60 - 180
10.2
Yes
High Velocity
1 - 24x25 - 1 in.
3 Round
Aluminized Steel - Type I
20
6 — 45
6 — 56
Modulating
Hot Surface Igniter
Multiport Inshot
6
115/1/60
14.2
20
1/2
H x W x D
41-3/4 x 26-1/2 x 30-1/2
206 / 193
1 Central Furnace heating designs are certified to ANSI Z21.47 / CSA 2.3.
2 For U.S. applications, above input ratings (BTUH) are up to 2,000 feet, derate 4% per 1,000 feet for elevations above 2,000 feet above sea level.
For Canadian applications, above input ratings (BTUH) are up to 4,500 feet, derate 4% per 1,000 feet for elevations above 4,500 feet above sea level.
3 Based on U.S. government standard tests.
4 The above wiring specifications are in accordance with National Electrical Code; however, installations must comply with local codes.
5 Furnace ships in natural gas configuration. The LP conversion kit used with the modulating furnace is BAYLPSS220B or BAYLPKT220B.
6 45% (low) heat for *UHM1D120ACV5VA.
Upflow/ Horizontal Left and Downflow/ Horizontal Right,
Gas-Fired, Direct/Non-Direct Vent, Variable Speed,
Modulating, Condensing, Communicating Furnaces
*UHMB060ACV3VA
*UHMB080ACV3VA
*UHMC100ACV4VA
*UHMD120ACV5VA
*DHMB060BCV3VA
*DHMB080ACV3VA
*DHMC100ACV4VA
*DHMD120BCV5VA
* First letter may be “A” or “T"
This furnace can be configured
for Communicating or 24 VAC
modes.
*UHM-DHM-SF-1H

Trane TDHMB080ACV3VA Specifications

General

Brand	Trane
Model	TDHMB080ACV3VA
Category	Furnace
Language	English

Summary

PRODUCT SPECIFICATIONS

Model and Type Specifications

Ratings and AFUE

SAFETY SECTION

Carbon Monoxide Poisoning Hazards

Critical warnings and procedures related to carbon monoxide poisoning risks.

Fire or Explosion Hazards

Safety warnings regarding fire and explosion risks during operation and servicing.

Electrical Shock and Bodily Injury Warnings

Precautions against electrical hazards, high voltage, and moving parts.

UNIT TEST MODE

Gas Valve Setup and Manifold Pressure Adjustment

Procedure for setting manifold gas pressure and adjusting gas valve parameters.

MANIFOLD PRESSURE MEASUREMENT METHOD

Correct Method for Direct Vent Manifold Pressure

Proper technique for checking manifold pressure referenced to the burner box.

Natural Gas and LP Manifold Pressure Settings

*UHM WIRING DIAGRAM

Power Supply and IFC Connections

Wiring diagram showing power supply, IFC, and key component connections for UHM models.

*UHM SCHEMATIC DIAGRAM

Diagnostic Codes and LED Indicators

Explanation of diagnostic codes, LED status indicators, and their meanings.

*UHM WIRING DIAGRAM (DHM Models)

DHM Model Wiring and IFC Connections

Wiring diagram specific to DHM models, detailing IFC and component connections.

*DHM SCHEMATIC DIAGRAM

Diagnostic Codes and LED Indicators (DHM Models)

Diagnostic codes and LED status for DHM models, including timings and safety warnings.

Furnace Alert Codes

Alert Codes Sorted by Flash Count

A categorized list of fault codes based on the LED flash count and their descriptions.

2 Flash Fault LED Troubleshooting

Retry LO and Recycle LO Faults

Troubleshooting steps for retry lockouts, flame sensing issues, and gas pressure checks.

3 Flash Fault LED Troubleshooting

Pressure Switch Fault Diagnosis

Flowchart for diagnosing pressure switch errors, checking inducer motor and voltage.

4 Flash Fault LED Troubleshooting

High Limit and Auxiliary Limit Faults

Troubleshooting for high limit, auxiliary limit, and reverse flow faults related to temperature.

4 Flash Fault LED Troubleshooting (Continued)

Rollout Switch and Burner Flame Issues

Diagnosing rollout switch faults, burner alignment, and flame pattern issues.

5 Flash Fault LED Troubleshooting

Flame Error and Gas Valve Issues

Troubleshooting for flame detection errors and gas valve problems, including moisture/debris checks.

6 Flash Fault LED Troubleshooting

Ground Fault and Polarity Errors

Steps to diagnose and correct ground faults and incoming voltage polarity errors.

6 Flash Fault LED Troubleshooting (Continued)

Ignitor, Triac, and Voltage Errors

Troubleshooting for ignitor faults, triac errors, and voltage issues related to the ignitor circuit.

7 Flash Fault LED Troubleshooting

External Gas Valve Circuit Errors

Procedure for diagnosing external gas valve circuit errors where 24VAC is present unexpectedly.

8 Flash Fault LED Troubleshooting

Low Flame Sense Current Issues

Troubleshooting steps for low flame sense current, checking flame sensor position and connections.

9 Flash Fault LED Troubleshooting

Inducer Limit and Venting System Issues

Diagnosing inducer limit errors and ensuring proper venting system installation and clear terminations.

10 Flash Fault LED Troubleshooting

Communication Errors (System, Blower)

Troubleshooting communication faults between IFC, comfort control, and blower motor.

10 Flash Fault LED Troubleshooting (Continued)

Communication Errors (Clock, 24V Mismatch)