A95464

 

 

 

 

 

GV

 

 

 

DSS

 

 

PRS

 

 

L1

L2

TO 115V AC FIELD DISCONNECTIONS

SCHEMATIC

CONNECTION DIAGRAM

 

 

MGV

 

 

 

 

 

 

 

 

 

 

TR

 

 

TH

BRN

 

 

NO

C

ILK

 

 

 

NOTE #4

 

 

DIAGRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PILOT

 

 

 

 

 

NC

 

 

 

 

EQUIPMENT GROUND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LO

 

 

L1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L1

 

 

 

SPARE-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HFR

CFR

 

MED LO

 

 

 

 

 

 

 

ALS

 

 

 

FL

 

 

LS

 

 

 

 

 

 

 

HEAT

 

MED HI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE #9

 

SPARE-1

 

HI

 

START

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(WHEN USED)

 

 

 

 

 

 

 

 

 

 

 

 

 

COOL

 

 

 

 

CAP

 

 

 

IDM

 

NOTE #6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLWM

 

 

 

WHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EAC-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IDR

EAC-2

PL1-3

 

 

IDM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PL1-1

 

 

 

 

 

 

 

 

 

 

BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FUSED DISCONNECT

NOTE #4

WHT

TRAN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

115V AC

ILK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH (WHEN REQ'D)

 

 

 

 

 

 

 

 

 

 

 

 

 

LS

FL

ALS

PL1-4

FU1

PR-1

TRAN

PR-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

WHT

 

 

 

 

 

WHT

 

 

 

PL1-7

 

 

 

 

 

3A

SEC-1 24V AC

SEC-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FU2

 

WHT

 

BLK

BLK

BLU RED

BLK

RED RED

BLU

BRN ORN

YEL

 

 

 

 

 

 

FUSE

 

 

 

 

 

 

 

 

 

 

 

(WHEN USED)

 

NOTE #7

 

 

 

 

WHT

GRN

 

 

 

 

 

 

 

 

 

 

COM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE #6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HFR

 

 

 

 

 

 

 

 

 

 

PL1

1

4

7

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JB

PR2 L2

 

L1

PR1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

5

8

 

R

 

 

 

 

 

 

 

LOGIC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFR

 

HFR

 

 

 

 

 

PL1-9

 

 

 

 

 

 

 

 

EAC-2

 

 

 

3

6

9

 

 

 

 

 

 

 

TIME

 

 

 

 

 

LO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

BLWM

WHT (COM)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DELAY

 

EAC-1

HI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN

 

 

BLK (HI)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DSS

 

MGV

GV

PL1-8

 

OL

SPARE-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

CAP

 

 

YEL (MED HI)

 

NOTE #9

 

 

 

IDR

RED

 

 

 

 

PRS

 

 

TH

 

TR

 

START

SPARE-2

 

 

 

 

 

 

 

 

 

NO

C

 

PILOT

 

 

 

 

 

 

 

 

 

 

 

BLU

SEC-2

 

 

 

NC

 

 

 

 

 

 

 

BLU (MED LO)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED (LO)

 

 

 

 

 

 

 

 

 

 

SEC-1

 

 

PL1-6

IDR

PL1-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FU1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

Y

R

C

G

 

3AMP

GROUND

W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FUSE

SCREW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PCB

 

 

 

 

 

 

NOTE #7

REQUIRED

 

 

 

 

 

 

 

 

IDR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE #8

 

 

 

NOTE #1

G

 

 

 

 

NOTE #9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEGEND

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

ALS

AUXILIARY LIMIT SWITCH, OVERTEMP.

 

 

 

 

 

JUNCTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-MANUAL RESET, SPST-(N.C.)

 

 

 

 

 

UNMARKED TERMINAL

 

 

 

 

 

 

 

 

 

 

 

 

 

BLWM

BLOWER MOTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTES:

 

 

 

 

 

 

 

 

 

CAP

CAPACITOR

 

 

 

 

 

 

PCB TERMINAL

 

 

 

 

 

 

 

 

 

 

 

 

CFR

COOLING FAN RELAY, SPDT

 

 

 

 

 

FACTORY POWER WIRING (120 AC)

1. Internally connected to equipment ground through mounting screw.

 

DSS

DRAFT SAFEGUARD SWITCH, SPST-(N.C.),

 

 

 

 

2.

If any of the original equipment wire is replaced, use wire rated for 105°C.

 

MANUAL RESET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FACTORY CONTROL WIRING (120 AC)

 

 

 

 

 

 

 

 

 

 

EAC-1 ELECTRONIC AIR CLEANER CONNECTION (115 VAC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3. Blower motor (BLWM) & Inducer motor (IDM) contain auto-reset

 

EAC-2 ELECTRONIC AIR CLEANER CONNECTION (COMMON)

 

 

 

FIELD POWER WIRING (120 AC)

 

thermal overload switch.

 

 

 

 

 

 

FL

FUSIBLE LINK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONDUCTOR ON PCB

 

 

4.

Use only copper wire between the disconnect switch and the furnace

 

FU1

FUSE, 3 AMP, AUTOMOTIVE BLADE TYPE

 

 

 

 

 

 

 

 

FU2

FUSE FIELD INSTALLED

 

 

 

 

 

FIELD WIRING SCREW TERMINAL

 

junction box (JB).

 

 

 

 

 

 

 

GV

GAS VALVE-REDUNDANT OPERATORS

 

 

 

 

 

 

 

 

 

 

 

5.

Symbols are electrical representations only6.

 

 

 

 

HFR

HEATING FAN RELAY, SPST (N.O.)

 

 

 

 

 

FIELD GROUND

 

 

 

 

 

 

 

IDM

INDUCED DRAFT MOTOR

 

 

 

 

 

EQUIPMENT GROUND

 

 

6. Auxiliary limit switch (ALS) used on downflow models only.

 

 

IDR

INDUCED DRAFT RELAY, SPST-(N.O.)

 

 

 

 

 

 

 

7.

The transformer 24VAC winding is protected by a 3 AMP automotive

 

 

 

 

 

 

 

 

 

 

 

 

 

ILK

BLOWER ACCESS PANEL INTERLOCK SWITCH,

 

 

 

 

FIELD SPLICE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

blade type fuse on the control board. A 24VAC short to ground during

 

 

SPST-(N.O.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PLUG RECEPTACLE

 

 

 

 

JB

JUNCTION BOX

 

 

 

 

 

 

 

 

 

installation, checkout, operation, service or maintenance could cause

 

LS

LIMIT SWITCH, AUTO RESET, SPST(N.C.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

this fuse to open. Do not replace the 3 AMP fuse with any other size fuse.

OL

AUTO-RESET INTERNAL MOTOR OVERLOAD TEMP. SW.

 

 

 

 

 

 

 

 

 

 

PCB

PRINTED CIRCUIT BOARD (FURNACE CONTROL)

 

 

 

 

 

 

 

 

 

 

8.

Blower motor (BLWM) adjustable OFF-DELAY. Factory set: 120 seconds

PL1

9-CIRCUIT CONNECTOR (PCB1)

 

 

 

 

 

 

 

 

 

 

 

 

cut resistor: 180 seconds.

 

 

 

 

 

 

PR5

PRESSURE SWITCH, SPDT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.

When CFR relay is energized, HFR relay is also energized.

 

 

TRAN

TRANSFORMER (115V AC/24V AC)

 

 

 

 

 

 

 

 

 

 

 

322876-101 REV. A

Fig. 6ÐUnit Wiring Diagram

6

Page 6
Image 6
Carrier 58GFA instruction manual ÐUnit Wiring Diagram

58GFA specifications

The Carrier 58GFA is a highly regarded gas furnace known for its reliability, energy efficiency, and advanced technology. Designed with the modern homeowner in mind, the 58GFA is engineered to provide effective heating while minimizing energy consumption and operating costs.

One of the standout features of the Carrier 58GFA is its variable-speed blower motor. This technology allows for enhanced airflow control, ensuring consistent temperatures throughout the home. The variable-speed operation enables the furnace to adjust its output based on the heating demands, which not only improves comfort but also increases energy efficiency by running at lower speeds for extended periods.

Another key characteristic of the 58GFA is its two-stage heating system. This dual-stage capability allows the furnace to operate at a lower stage during milder conditions, optimizing energy usage without sacrificing comfort. During peak heating demands, the system can seamlessly transition to full capacity. This feature reduces temperature fluctuations, providing a more stable indoor climate.

The Carrier 58GFA is equipped with high-efficiency burners, achieving impressive Annual Fuel Utilization Efficiency (AFUE) ratings. With an AFUE rating of up to 80%, this furnace competently converts fuel into heat, making it an economical choice for homeowners looking to reduce energy bills. Additionally, the unit complies with environmental standards, contributing to a greener home footprint.

Durability and quiet operation are also notable characteristics of the Carrier 58GFA. The within design includes a robust heat exchanger made of high-quality materials to withstand the rigors of daily use. The noise-reducing technology, including insulated cabinets and quiet motors, ensures that the heating operation remains unobtrusive, maintaining a peaceful home environment.

Moreover, the 58GFA features advanced thermostat compatibility, allowing for integration with smart home systems. This capability allows homeowners to monitor and control their heating system remotely, enhancing convenience and energy management.

In summary, the Carrier 58GFA gas furnace is a leading choice for homeowners seeking energy-efficient heating solutions. With its variable-speed blower, two-stage heating, high AFUE rating, durable construction, and smart compatibility, it stands out as a formidable option in the HVAC market, delivering comfort and performance year after year.