Trane NO Series, Installation Instructions Manual

4

•  Before beginning the installation, verify that the unit model 

is correct for the job. The unit model number is printed on 

the data label. Follow all precautions in the literature, on 

tags, and on labels provided with the equipment. Read and 

thoroughly understand the instructions provided with the 

equipment prior to performing the installation and operational 

checkout of the equipment.

• Never test for gas leaks with an open flame. Use a 

commercially available soap solution to check all connections. 

See 

page 13

.

•  Installation of equipment may require brazing operations. 

Installer must comply with safety codes and wear appropriate 

safety equipment (safety glasses, work gloves, fire 

extinguisher, etc.) when performing brazing operations.

•  This equipment is 

NOT

 to be used for temporary heating of 

buildings or structures under construction.

• Use caution when handling this appliance or removing 

components. Personal injury can occur from sharp metal 

edges present in all sheet metal constructed equipment.

• Follow all precautions in the literature, on tags, and on 

labels provided with the equipment. Read and thoroughly 

understand the instructions provided with the equipment 

prior to performing the installation and operational checkout 

of the equipment.

•  The installer should become familiar with the units wiring 

diagram before making any electrical connections to the 

unit. See the unit wiring label or 

Figure 12 (page 24)

.

REQUIREMENTS & CODES

• 

This equipment must be installed in accordance with 

instructions outlined in this manual, all applicable local 

building codes, and the current revision of the National 

Fuel Gas Code (NFPA54/ANSI Z223.1) or the Natural 

Gas and Propane Installation Code, CAN/CGA B149.1.

•  All electrical wiring must be completed in accordance with 

local, state and national codes and regulations and with the 

National Electric Code (ANSI/NFPA 70) or in Canada the 

Canadian Electric Code Part 1 CSA C.22.1.

•  The installer must comply with all local codes and regulations 

which govern the installation of this type of equipment. 

Local codes and regulations take precedence over any 

recommendations contained in these instructions. Consult 

local building codes and the National Electrical Code (ANSI 

CI) for special installation requirements.

• This equipment contains liquid and gaseous refrigerant 

under high pressure. Installation or servicing should only be 

performed by qualified trained personnel thoroughly familiar 

with this type equipment.

•  Install this unit only in a location and position as specified 

on 

Figure 1 (page 5)

. This unit is designed only for 

outdoor installations and should be located with consideration 

of minimizing the length of the supply and return ducts. 

Consideration should also be given to the accessibility of 

fuel, electric power, service access, noise, and shade.

•  Air Ducts must be installed in accordance with the standards 

of the National Fire Protection Association “Standards for 

Installation of Air Conditioning and Ventilation Systems” 

(NFPA 90A), “Standard for Installation of Residence Type 

Warm Air Heating and Air Conditioning Systems” (NFPA 

90B), these instructions, and all applicable local codes.

• Consult 

Table 6 (page 21)

, 

Table 7 (page 22)

, and the 

rating plate for the proper circulating air flow and temperature 

rise. It is important that the duct system be designed to 

provide the correct flow rates and external pressure rise. 

An improperly designed duct system can result in nuisance 

shutdowns, and comfort or noise issues.

•  Use only with the type of gas approved for this unit. Refer 

to the unit rating plate.

•  Provide adequate combustion and ventilation air to the unit. 

See 

page 6

 & 

page 7

.

•  Provide adequate clearances around the combustion air 

intake louvers. See 

Figure 1

.

•  Combustion products must be discharged outdoors. Connect 

this unit to an approved vent system only, as specified on 

page 7

.

•  The information listed below is for reference purposes only 

and does not necessarily have jurisdiction over local or state 

codes. Always consult with local authorities before installing 

any gas appliance.

Combustion & Ventilation Air

•  US: National Fuel Gas Code (NFGC), Air for Combustion 

and Ventilation

• CANADA: Natural Gas and Propane Installation Codes 

(NSCNGPIC), Venting Systems and Air Supply for 

Appliances

Duct Systems

•  US and CANADA: Air Conditioning Contractors Association 

(ACCA) Manual D, Sheet Metal and Air Conditioning 

Contractors National Association (SMACNA), or American 

Society of Heating, Refrigeration, and Air Conditioning 

Engineers (ASHRAE) Fundamentals Handbook

Electrical Connections

•  US: National Electrical Code (NEC) ANSI/NFPA 70

•  CANADA: Canadian Electrical Code CSA C22.1

Gas Piping & Gas Pipe Pressure Testing

•  US: NFGC and National Plumbing Codes

•  CANADA: NSCNGPIC

General Installation

•  US: Current edition of the NFGC and the NFPA 90B. For 

copies, contact the National Fire Protection Association Inc., 

Batterymarch Park, Quincy, MA 02269; or American Gas 

Association, 400 N. Capitol, N.W., Washington DC 20001 

or www.NFPA.org

•  CANADA: NSCNGPIC. For a copy, contact Standard Sales, 

CSA International, 178 Rexdale Boulevard, Etobicoke 

(Toronto), Ontario, M9W 1R3 Canada

Safety

•  US: (NFGC) NFPA 54–1999/ANSI Z223.1 and the Installation 

Standards, Warm Air Heating and Air Conditioning Systems 

ANSI/NFPA 90B.

•  CANADA: CAN/CGA-B149.1 and .2–M00 National Standard 

of Canada. (NSCNGPIC)