Trane DD120R9V5F Series User Manual

Variable Speed, 2-Stage
Upflow / Horizontal and Downflow / Horizontal,
Gas-Fired Furnaces, “Fan Assisted
Combustion System”
A341789P03
Installer’s Guide
Downflow / Horizontal* Upflow / Horizontal*
For VENT SIZING INFORMATION see:
USA —
National Fuel Gas Code ......... ANSI Z223.1/NFPA 54 (latest version)
CANADA —
Natural Gas Installation Code ...... CAN/CGA-B149.1 (latest version)
Propane Installation Code ............. CAN/CGA-B149.2 (latest version)
USA/CANADA ALTERNATE —
Category I Venting Guide ......... Pub. No. 18-CH23D1 (latest version)
*Horizontal Conversion for these furnaces may be left or right side rotation.
ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
IMPORTANT — This Document is customer property and is to remain with this unit.
Please return to service information pack upon completion of work.
*__First letter may be “A” or “T”
18- CD20D1- 18
AVAILABLE IN FRENCH CANADIAN (FC)
*UD060R9V3K
*UD080R9V3K
*UD080R9V4K
*UD100R9V3K
*UD100R9V5K
*UD120R9V5K
*UD140R9V5K
*DD060R9V3F
*DD080R9V3F
*DD100R9V5F
*DD120R9V5F

Trane DD120R9V5F Series Specifications

General

Blower Type	Variable Speed
Fuel Type	Natural Gas
Blower Motor Type	ECM (Electronically Commutated Motor)
Ignition Type	Hot Surface Ignition
Model	DD120R9V5F
Type	Downflow
Heating Capacity	120, 000 BTU
Stages	Two-Stage
Warranty	Limited Lifetime Heat Exchanger warranty

Summary

Safety Section

Carbon Monoxide Poisoning Hazard

Details hazards and steps for safe operation related to carbon monoxide exposure during furnace installation.

Fire or Explosion Hazard

Warns of risks from improper handling and servicing, emphasizing safety to prevent fire or explosion.

General Installation Instructions

Installation Codes and Utility Requirements

Emphasizes adherence to national, local codes, and utility requirements for proper furnace installation.

Location and Clearances

Furnace Location and Clearance Guidelines

Air for Combustion and Ventilation

Combustion Airflow Obstruction Warning

Stresses keeping air openings clear for efficiency and safe operation of the furnace.

Combustion Air: Confined vs. Unconfined Spaces

Duct Connections

Duct System Installation Standards and Codes

Return Air Filters

Horizontal Application Filter Installation Guidance

General Venting Instructions

Venting Carbon Monoxide Hazard

Details hazards and steps for safe operation related to carbon monoxide during venting.

Vent Piping

Masonry Chimney Venting Instructions

Electrical Connections

Electrical Connections and Wiring Diagram Standards

Gas Piping

Gas Piping Supply and Shut-off Valve Requirements

Details gas supply connection, shut-off valves, drip leg, and pressure testing isolation.

Combustion and Input Check

Combustion and Input Check: Gas Meter Clocking

Step-by-step guide to clocking the gas meter for input rate verification.

Gas Manifold Pressure Adjustment Procedure

Gas Manifold Pressure Adjustment Procedure

Procedures for adjusting low and high fire manifold pressure using pressure taps.

High Altitude Derate

High Altitude Derate and Input Adjustment

Explains input rate reduction for altitudes above sea level and orifice/pressure adjustments.

Start Up and Adjustment

Startup: Preliminary Inspection Checklist

Startup: Lighting and Cycle Operation Check

Sequence of Operation

Sequence of Operation: 2-Stage Heat Call

Control and Safety Switch Adjustment

Safety Switch Adjustment: Limit Switch Check

Procedure to verify the proper operation of the limit switch for furnace safety.

Abnormal Conditions

Abnormal Conditions: Excessive Combustion Pressure

Abnormal Conditions: Loss of Flame

Abnormal Conditions: Induced Draft Blower Failure

Abnormal Conditions: Gas Leak Response

Critical safety instructions for responding to gas leaks, emphasizing no ignition sources.

Furnace Control Error Flash Codes