Bryant 355MAV instruction manual UnitWiring Diagram

SIZE

1-4

2-5 3-6

(WHEN REQ’D)

SCHEMATIC DIAGRAM

MODEL

JUMPERS

FUSED DISCONNECT SWITCH

TO 115 VAC FIELD DISCONNECT

042040

X

NOTE #2

ILK L1

L2

EQUIPMENT GROUND

(NATURAL GAS & PROPANE)

X

FU2

NOTE #2

L2

042060

HSI

MTR1

BLK

BLK

042080

X

X

PL9

ILK

WHT

T 2

12

060100

X

1

2

WHT

L1

060080

X

X

1

2 10

4 12

6

GND

T 1

6

060120

X

X

4

MTR1

ORN BRN YEL GRN YEL

PL7

FRS

LS

ALS

RED

1

2

RED

C

FSE

EAC1 EAC2

WHT BLK

RED

BLK

WHT

L1 WHT

BLK

P1

YEL

BLU

6

5

4

SUPPLY

10

3

PL1

PCB

GV

BLK

WHT

TRAN

HPS

PL7

P

C

NO

D.C.

POWER

M

BLU

1.5 AMP

2

T 1

B1

L2 YEL

P2

LPS NOTE #11

CPU1

CPU2

NOTE #5

HI

BRN

WHT

1

2

3YEL ORNBRN

7

8

T 2

B2

C

NO

SW - 4

3

1011

ORN

1

PL4

PL2

EMER. HEAT

GRN/YEL

RED

BRN

NOTE #11 ORN

PL13

GRN / YEL

1 2 3 4

PL1

BLU

GRN

9

BLK WHT

HUM

ORN

LGPS

PL3

1 2

3 4 5

5

6

NOTE #3

4

5 6

RED

G

4

14

BRN

R

3

8

YEL

RED

BLK

Y/Y2

(WHEN

2

16

WHT

W/W1

USED)

1

3

BLK

WHT

BLU

YEL

VIO

ORN RED

5

1RED

2ORN 3VIO

4YEL

5BLU

COM

DE

BRN

B1

7

PL11

IND

PL11

5

MTR2

W2

BLU

SEC-2 SEC-1

DEHUM

6

NOTE #7

4

9

8

7

6

5

4

3

2 1

PL3

RED

3

PL10

1

BLU

YEL VIO

ORN RED

SWITCH

A/C AND CF

SWITCH

A/C AND CF

FU1

FUSE

NOTE

BLOWER

PL10

PL11

24VAC-3A

2

POS.

SELECT. CHART

POS.

SELECT. CHART

LEDS

2

3

4

#6

OFF-DELAY

1

IND. NOTE #7

A/C

CF

A/C

CF

(1-4) 1

SELECTION CHART

B2

PL12

5

1

2

3

1 2 3

3

1200

CF

A/C

7 8

90

DEFAULTDEFAULT

1 2 3

1 2 3

YEL

BLK

WHT

GRN/YEL

OFF

3

OFF

TON

CFM

(1-8)

OFF

SEC.

HSIR

2

2

OFF

OFF

EAC

PL11

1

1

2

1-1/2

600

1 2 3

3-1/2

1400

1 2 3 4 5 6 7 8

1

PL4

1 PL9

HSI

TON

CFM

TON

CFM

SW

7 8

135

1 2 5 4

3

PL12

1

2

3

2

800

1 2 3

4

1600

MZ

DELAY-

OFF

SEC.

EAC-1

EAC-2

P1

115VAC

P2

16

ORN

1

2

3

2-1/2

1000

1 2 3

5

2000

FLT BPH

TEST

OFF

SEC.

PL1-9

FU1

TRAN

VIO

HEAT

HEAT

BLOWER

3

RED

OFF

TON

CFM

OFF

TON

CFM

LOW

EMER.

COMP.

7

8

180

OFF

24VAC SEC-2

MTR2

14

YEL

OFF

TON

CFM

OFF

TON

CFM

7 8

225

NOTE #6

SEC-1

8

6

BLU

PCB

PL6

1

3 2

1

SEC.

FRS

LS

ALS

LEGEND

PL13

PL5

6 5 4

OFF

PL1-11

A/C

AIR CONDITIONING (ADJUSTABLE TONNAGE)

DEHUM

PL6

3-CIRCUIT COMM. CONNECTOR

HUMR

ALS

AUXILIARY LIMIT SWTICH OVERTEMP - MANUAL RESET SPST-(N.C)

HUM

CF

CONTINUOUS FAN (ADJUSTABLE CFM)

PL7

12-CIRCUIT INDUCER MTR CONNECTOR

(WHEN USED)

DE

CPU1

MAIN MICROPROCESSOR & CIRCUITRY

PL9

2-CIRCUIT HSI CONNECTOR

R

GV

CPU2

IGNITION MICROPROCESSOR & CIRCUITRY

PL10

9-CIRCUIT BLOWER ADAPTER CONNECTOR

PCB

P

D.C. POWER

DE

DEHUMIDIFY ENABLE - IF DE CONNECTION PROVIDED REMOVE

PL11

1-CIRCUIT INDUCTOR SPLICE CONNECTOR

G

NOTE #5

GVR

SUPPLY

JUMPER TO ENABLE DEHUM INPUT

PL12

5-CIRCUIT BLOWER POWER CONNECTOR

PL1-2

C

PL1-7

DEHUM

DEHUMIDIFICATION CONNECTION (24VAC .02 AMPS)

PL13

16-CIRCUIT BLOWER CTRL. CONNECTOR

Y/Y2

M

EAC-1

ELECTRONIC AIR CLEANER CONNECTION (115 VAC 1.5 AMP MAX.)

SW1

MANUAL SWITCH, FAULT DISPLAY, SPST-(N.O.)

PL1-10

EAC-2

ELECTRONIC AIR CLEANER CONNECTION (COMMON)

W2

SW2

MANUAL SWITCH, LOW HEAT, SPST-(N.O.)

HI

FRS

FLAME ROLLOUT SWITCH - MANUAL RESET, SPST-(N.C.)

CPU1

SW3

MANUAL SWITCH, BYPASS HUMIDIFIER, SPST-(N.O.)

W/W1

NOTE #3

FSE

FLAME PROVING SENSOR ELECTRODE

EAC

HPS

SW4

MANUAL SWITCH, EMERGENCY HEAT, SPST-(N.O.)

FU1

FUSE, 3 AMP, AUTOMOTIVE BLADE TYPE, FACTORY INSTALLED

PL2-4

NO

C

SW5

MANUAL SWITCH, MULTIPLE ZONE, SPST-(N.O.)

COM

FU2

FUSE OR CIRCUIT BREAKER CURRENT INTERRUPT DEVICE

(FIELD INSTALLED & SUPPLIED)

SW6

COMPONENT TEST, SPST-(N.O.)

GND

EQUIPMENT GROUND

SW7-8

MANUAL SWITCH, BLOWER OFF-DELAY, SPST-(N.O.)

PL2-2NOTE #11

LGPS

LPS

GV

GAS VALVE

TRAN

TRANSFORMER - 115VAC/24VAC

HUMR

NOTE #11

GVR

GAS VALVE RELAY, DPST-(N.O.)

JUNCTION

NO

C

HI

GAS VALVE HIGH STAGE OPERATOR

HPS

HIGH HEAT PRESSURE SWITCH, SPST-(N.O.)

UNMARKED TERMINAL

HSIR

CPU2

PL2-1

(WHEN USED)

HSI

HOT SURFACE IGNITOR (115 VAC)

PCB TERMINAL (FACTORY CONNECTED)

HSIR

HOT SURFACE IGNITOR RELAY, SPST-(N.O.)

PL1-1

HUM

24VAC HUMIDIFIER CONNECTION (.5 AMP. MAX.)

FACTORY WIRING (115 VAC)

GVR

HUMR

HUMIDIFIER RELAY, SPST-(N.O.)

FSE

FACTORY WIRING (24 VAC)

ILK

BLOWER ACCESS PANEL INTERLOCK SWITCH, SPST-(N.O.)

NOTES:

IND

INDUCTOR (NOTE #7)

FIELD WIRING (115 VAC)

JB

JUNCTION BOX

1.

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

LEDS

LIGHT EMITTING DIOES FOR STATUS CODES

CONDUCTOR ON PCB

LGPS

LOW GAS PRESSURE SWITCH, SPST (N.O.)

FIELD WIRING SCREW TERMINAL

2. Use only copper wire between the disconnect switch and the furnace junction box (JB).

LPS

LOW HEAT PRESSSURE SWITCH, SPST-(N.O.)

3. This wire must be connected to furnace sheet metal for control to prove flame.

LS

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

TERMINAL BLOCK - MARKED TERMINAL

4.

Symbols are electrical representation only.

MTR1

MOTOR (ICM) INDUCER

FIELD EARTH GROUND

5.

Solid lines, inside circuit board PCB are printed circuit board traces and are not depicted as shown in the legend.

MTR2

MOTOR (ICM) BLOWER

6. Replace only with a 3 AMP fuse.

PCB

PRINTED CIRCUIT BOARD

EQUIPMENT GROUND

7. Inductor used on all 060 or -20 airflow units.

PL1

11-CIRCUIT CONNECTOR

FIELD SPLICE

PL2

4-CIRCUIT PRESSURE SWITCH CONNECTOR

8.

Blower-on delay, gas heating 60 seconds low heat, 35 seconds high heat, cooling or heat pump 2 seconds..

PL3

5-CIRCUIT BLOWER MTR CONNECTOR

PCB TERMINAL (FIELD CONNECTION)

9.

Blower-off delay, gas heating 90, 135, 180 or 225 seconds, cooling or heat pump 90 seconds.

PL4

2-CIRCUIT HSI CONNECTOR

PLUG RECEPTACLE

10. Ignition-lockout will occur after four consecutive unsuccessful trials-for-ignition. Control will auto-reset after three hours.

PL5

6-CIRCUIT MODEL PLUG

11.

Factory connected when LGPS not used.

322296-101 REV. E

A00350

Fig. 30-Unit Wiring Diagram

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