Carrier 58DFA Installation, Start-up, And Operating Instructions Manual

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Brand: Carrier

Category: Furnace , Thermostat

Type: Installation, start-up, and operating instructions manual for Carrier 58DFA

Pages: 14 (0.2 Mb)

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58DFA
Downflow Induced-Combustion Furnaces
Installation, Start-Up, and Operating Instructions
Sizes 071-135 Series 120
NOTE: Read the entire instruction manual before starting the
installation.
Index Page
SAFETY CONSIDERATIONS.....................................................1
Clearance From Combustible Materials...................................1
INTRODUCTION.......................................................................1-2
Dimensional Drawing...............................................................2
LOCATION....................................................................................3
General ......................................................................................3
Location Relative To Cooling Equipment...............................3
Hazardous Locations.................................................................3
AIR FOR COMBUSTION AND VENTILATION...................3-5
Unconfined Space..................................................................3-4
Confined Space......................................................................4-5
SUPPLY-AIR PLENUM INSTALLATION..............................5-6
Concrete Slab............................................................................5
Combustible Floor ..................................................................5
FILTER ARRANGEMENT...........................................................6
GAS PIPING..................................................................................6
ELECTRICAL CONNECTIONS...............................................6-7
115-v Wiring..........................................................................6-7
24-v Wiring .............................................................................7
Accessory ..................................................................................7
VENTING ......................................................................................7
START-UP, ADJUSTMENT, AND SAFETY CHECK ..............7
General ......................................................................................7
Sequence Of Operation .......................................................7-10
Heating Mode............................................................................8
Cooling Mode......................................................................8-10
Continuous Blower Mode.......................................................10
Start-Up Procedures................................................................10
Adjustments .......................................................................10-12
Check Safety Controls.......................................................12-13
Checklist ................................................................................13
SAFETY CONSIDERATIONS
Installing and servicing heating equipment can be hazardous due to
gas and electrical components. Only trained and qualified person-
nel should install, repair, or service heating equipment.
Untrained personnel can perform basic maintenance functions
such as cleaning and replacing air filters. All other operations must
be performed by trained service personnel. When working on
heating equipment, observe precautions in the literature, on tags,
and on labels attached to or shipped with the unit, and other safety
precautions that may apply.
Follow all safety codes. In the United States, follow all safety
codes including the National Fuel Gas Code NFPA No. 54-
1992/ANSI Z223.1-1992 (NFGC). In Canada, refer to the current
edition of the National Standard of Canada CAN/CGA-B149.1-
and .2-M91 Natural Gas and Propane Gas Installation Codes
(NSCNGPIC). Wear safety glasses and work gloves. Have fire
extinguisher available during start-up and adjustment procedures
and service calls.
Understand the signal word DANGER, WARNING, or CAU-
TION. These words are used with the safety-alert symbol. DAN-
GER identifies the most serious hazards which will result in severe
personal injury or death. WARNING signifies hazards that could
result in personal injury or death. CAUTION is used to identify
unsafe practices which would result in minor personal injury or
product and property damage.
NOTE is used to highlight suggestions that will result in enhanced
installation, reliability, or operation.
These instructions cover minimum requirements and conform to
existing national standards and safety codes. In some instances,
these instructions exceed certain local codes and ordinances,
especially those that may not have kept up with changing residen-
tial construction practices. We require these instructions as a
minimum for a safe installation.
Table 1—Clearances From Combustible
Materials (In.)
UNIT SIZE 071 091-135
Sides Single-Wall Vent 1 0
Type B-1 Double-Wall Vent 0 0
Back 0 0
Top 1 1
Front Single-Wall Vent 6* 6*
Type B-1 Double-Wall Vent 3 3
Vent Single-Wall Vent 6 6
Type B-1 Double-Wall Vent 1 1
NOTES:
1. Provide 30-in. front clearance for servicing. An open door in front of the
furnace can meet this requirement.
2. A minimum clearance of 3 in. must be provided in front of the furnace for
combustion air and proper operation.
INTRODUCTION
The model 58DFA Series 120 Continuous-Pilot Furnaces are
available in sizes 71,000 through 135,000 Btuh input capacities.
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CANADIAN GAS ASSOCIATION
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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
Tab 6a 8a
PC 101 Catalog No. 565-812 Printed in U.S.A. Form 58DF-9SI Pg 1 11-93 Replaces: 58DF-6SI