Carrier 58EFB Installation, Start-Up, And Operating Instructions Manual
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Carrier 58EFB Installation, Start-Up, And Operating Instructions Manual

Carrier 58EFB Installation, Start-Up, And Operating Instructions Manual

Horizontal induced-combustion sizes 050—125, series 101
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See also: Installation, Start-up, and Operating Instructions , User's Information Manual
Installation, Start-up, and Operating Instructions
NOTE: Read the entire instruction manual before starting the
installation.
INDEX
SAFETY CONSIDERATIONS ................................................1-2
Clearances From Combustible Materials .................................1
INTRODUCTION.......................................................................2-3
Dimensional Drawing ...............................................................2
LOCATION ................................................................................3-4
General ......................................................................................3
Hazardous Locations .............................................................3-4
General ......................................................................................4
Unconfined Space .....................................................................4
Confined Space......................................................................4-5
Contaminated Combustion Air.................................................5
INSTALLATION........................................................................5-9
Duct Work Recommendations ..............................................5-6
Horizontal Attic Installation .....................................................6
Horizontal Crawlspace Installation ..........................................6
Filter Arrangement ................................................................6-7
Gas Piping.................................................................................7
Reversing Procedure..............................................................8-9
ELECTRICAL CONNECTIONS.............................................9-11
115-v Wiring........................................................................9-10
24-v Wiring.............................................................................10
Accessories..............................................................................10
Wiring Diagram ......................................................................11
VENTING ...............................................................................12-13
General Venting Requirements ..............................................12
Pre-Installation Vent System Inspection ................................12
Removal of Existing Furnace from Common
Venting System..................................................................12
Metal Vent Installations..........................................................13
Masonry Chimney Installations..............................................13
Multistory Installations ...........................................................13
Sidewall Venting Installations................................................13
SEQUENCE OF OPERATION...................................................13
Heating Mode..........................................................................13
Cooling Mode .........................................................................13
General ....................................................................................13
Remove Shipping Bracket ......................................................13
Purge Gas Lines ................................................................13-14
Operational Checkout .............................................................14
Adjustments .......................................................................14-17
Adjust Pilot Flame ..................................................................14
Set Gas Input Rate ............................................................14-17
Set Temperature Rise..............................................................17
Set Blower Off Delay.............................................................17
Set Thermostat Heat Anticipator............................................17
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
PC 101
Catalog No. 565-883
Tab 6a 8a
Sizes 050-125, Series 101
Page
Printed in U.S.A.
Horizontal Induced-Combustion
®
Check Safety Controls ............................................................18
CHECKLIST ................................................................................18

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.
Table 1-Attic, Closet*, or Alcove Clearances
From Combustible Materials (In.)
UNIT SIZE
Sides
Back
Top of Plenum
Vent Connector
Front Casing
Front Service
* For closet installations, refer to Air for Combustion and Ventilation section.
† Measured from end of inducer motor.
Failure to comply with all of the above clearances will create
a fire hazard.
Follow all safety codes. In the United States, follow all safety
codes including the National Fuel Gas Code (NFGC) NFPA No.
54-1992/ANSI Z223.1-1992 and the Installation Standards, Warm
Air Heating and Air Conditioning Systems (NFPA 90B)
ANSI/NFPA 90B. In Canada, refer to the current edition of the
National Standard of Canada CAN/CGA-B149.1- and .2-M95
Natural Gas and Propane Installation Codes (NSCNGPIC). Wear
safety glasses and work gloves. Have fire extinguisher available
during start-up and adjustment procedures and service calls.
Recognize safety information. This is the safety-alert symbol
When you see this symbol on the furnace and in instructions or
manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, and CAU-
TION. These words are used with the safety-alert symbol. DAN-
GER identifies the most serious hazards which will result in severe
Form 58EFB-1SI
Pg 1
58EFB

Gas Furnace

ama
A PP R O VED
R
050, 075, 100, & 125
6
6
2
6
6†
30
5-96
Replaces: 58EFA-3SI
.

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Summary of Contents for Carrier 58EFB

  • Page 1: Table Of Contents

    Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 101 Catalog No. 565-883 Printed in U.S.A. Form 58EFB-1SI Pg 1 5-96 Replaces: 58EFA-3SI Tab 6a 8a...

  • Page 2: Introduction

    NFGC and NFPA 90B are available from National Fire INTRODUCTION Protection Association Inc., Batterymarch Park, Quincy, MA The design of the 58EFB Horizontal Induced-Combustion Gas 02269; American Gas Association, 1515 Wilson Boulevard, Ar- Furnace is A.G.A./C.G.A. certified as a Category I furnace for lington, VA 22209;...

  • Page 3: Location

    Canadian installations must be made in accordance with be handled by duct(s) sealed to furnace casing and terminating CAN/CGA-B149 Installation Codes and authorities having juris- outside the space containing furnace to ensure there will not be a diction. negative pressure condition within the equipment room or space. This furnace must be located so electrical components are pro- tected from water.

  • Page 4: Air For Combustion And Ventilation

    MUST be made between furnace cabinet For Example: and return-air duct to avoid pulling air from burner area and draft safeguard opening. 58EFB FURNACE FREE AREA PER INPUT BTUH OPENING (SQ IN.) The furnace shall be installed in a location in which the facilities...

  • Page 5: Contaminated Combustion Air

    4000 Btuh of the total input for all equipment k. Cements and glues within the confined space. l. Anti-static fabric softeners for clothes dryers For Example: m. Masonry acid washing materials 58EFB FURNACE FREE AREA PER ROUND PIPE INPUT BTUH OPENING (SQ IN.) (IN. DIA)

  • Page 6: Horizontal Attic Installation

    24″ SHEET METAL 30-IN. MIN WORK AREA 24″ A96070 Fig. 3—Typical Attic Installation Step 3—Horizontal Crawlspace Installation The furnace can be installed horizontally for either left- or The coil MUST be installed on air discharge side of furnace. right-side supply. In a crawlspace, the furnace can either be hung Under no circumstances should airflow be such that cooled, from floor joists or installed on suitable blocks or a pad.

  • Page 7: Gas Piping

    Table 2—Filter Size (In.) UNIT SIZE FILTER SIZE 050-12 13 X 23 SUPPLY 075-12 13 X 23 075-16 13 X 23 MANUAL 100-16 16-1/2 X 23 SHUTOFF 100-20 16-1/2 X 23 VALVE 125-20 20 X 23 Step 5—Gas Piping SEDIMENT UNION Gas piping must be installed in accordance with national and local TRAP...

  • Page 8: Reversing Procedure

    ALTERNATE LIMIT SWITCH BLOWER BLOWER DOOR DOOR ALTERNATE LIMIT SWITCH CONTROL LAYOUT (AS SHIPPED) CONTROL LAYOUT (FIELD REVERSED) A91387 Fig. 5—Control Layout for Reversal Step 6—Reversing Procedure Before proceeding with field reversal, ensure that all electri- cal power is turned off and that all gas piping is shut off and disconnected from the furnace.

  • Page 9: Electrical Connections

    NOTE: On high airflow models (75,000 and 100,000 Btuh), the front and rear blower doors must be interchanged so that the instructional labels are rightside up on both sides of furnace. Move blower door knob to new front blower door. WIRE ALTERNATE LIMIT SWITCH 1.

  • Page 10: Accessories

    FIELD 24-VOLT WIRING FIELD 115-, 208/230-, 460-VOLT WIRING FACTORY 24-VOLT WIRING FACTORY 115-, 208/230-, 460-VOLT WIRING NOTE 4 THERMOSTAT FIVE FIELD-SUPPLIED TERMINALS WIRE FUSED DISCONNECT THREE-WIRE 208/230- OR HEATING 460-VOLT ONLY THREE PHASE 115-VOLT SINGLE PHASE 208/230- VOLT SINGLE 115-VOLT PHASE FIELD-SUPPLIED FUSED DISCONNECT...

  • Page 11: Wiring Diagram

    LEGEND LINE V PRINTED CIRCUIT BLACK LIMIT BOARD WIRING BLUE PRESSURE SWITCH BROWN ROLL OUT SWITCH* LINE V GREEN BLOWER INTERLOCK FACTORY WIRING ORANGE CONDENSING UNIT MANUAL RESET LINE V RD/BK RED/BLACK STRIPE TRANSFORMER FIELD WIRING VIOLET LOW VOLT. FUSE ORANGE WIRE NUT WHITE GROUND...

  • Page 12: Venting

    NOTE: The GAMA venting tables MUST be used; DO NOT use Step 1—General Venting Requirements Carrier’s Single-Stage Vent Tables for Category I Fan-Assisted Furnaces, as they are based on different input ratings. Venting for furnace should be to the outside and in accordance with local codes or requirements of local utility.

  • Page 13: Metal Vent Installations

    Step 4—Metal Vent Installations 1. Inducer start-up sequence—Power from transformer energizes fan control board. The fan control energizes the induced-draft The furnace is approved for use with Type B vent that terminates blower motor. Pressure switch P normally open contacts close through the roof.

  • Page 14: Operational Checkout

    If main burners do not ignite, see Adjust Pilot Flame section below. c. Verify the furnace model. Table 5 can only be used for model 58EFB Furnaces. 7. When main burners ignite, proceed to Set Gas Input Rate section.
  • Page 15 Table 5—Model 58EFB Orifice Size and Manifold Pressure for Correct Input Rate (Tabulated Data Based on Altitudes up to 2000 ft and 25,000 Btuh Per Burner) GAS HEAT SPECIFIC GRAVITY OF NATURAL GAS VALUE 0.56 0.58 0.60 0.62 0.64 0.66 0.68...
  • Page 16 Table 6—Gas Rate Cu Ft/Hr IGNITION SYSTEM IGNITOR CONTROL KNOB SIZE OF TEST DIAL SIZE OF TEST DIAL SECONDS SECONDS CONNECTOR FOR 1 FOR 1 IGNITION REVOLUTION REVOLUTION cu ft cu ft cu ft cu ft cu ft cu ft MODULE 1800 1636...

  • Page 17: Set Temperature Rise

    Table 8—Blower Speed Selection PILOT FLAME BURNER FLAME SPEED TAP NO. Common High Medium BURNER Recheck the temperature rise. It must be within limits specified on the unit rating plate. Recommended operation is at midpoint of rise or above. SET BLOWER OFF DELAY The blower off delay may be adjusted for a 60- (factory setting), 90-, 120-, or 150-sec delay.

  • Page 18: Check Safety Controls

    Step 6—Check Safety Controls 4. Set thermostat to call for heat. When pressure switch is functioning properly, ignitor should not glow. If ignitor glows CHECK PRIMARY LIMIT CONTROL when inducer motor is disconnected, shut down furnace The heat sensing switch performs as the furnace high temperature immediately.
  • Page 19 SERVICE TRAINING Packaged Service Training programs are an excellent way to increase your knowledge of the equipment discussed in this manual, including: • Unit Familiarization • Maintenance • Installation Overview • Operating Sequence A large selection of product, theory, and skills programs is available, using popular video-based formats and materials.
  • Page 20 Copyright 1996 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 58efb1si Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 101 Catalog No. 565-883 Printed in U.S.A.

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