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15

Wiring Diagrams

10/14

FIELD 

WIRIN

G

LEGEND

:

LO

VO

LT

AG

E

HIGH 

VO

LT

AG

E

WIRING DIA

GRAM

W

all Mount Air Handler (5KW)

NO

TES:

1.

 The blo

wer motor speed tap connection ma

y not be as sho

wn

   See the Installation Instructions.

2.

 Disconnect all po

wer bef

ore servicing.

3.

 The transf

ormer ma

y ha

ve a dual v

oltage primary tap.

 Match the tap position

    with the suppl

y v

oltage used.

4.

 If the Internal wiring is replaced,

 use on

ly

 105°C copper wire of the same gaug

e.

711461

0

Remar

ques

1.

 Le connecteur de vitesse du moteur du ventilateur peut différer de 

l’illustration

. Consultez les Instructions d’installation.

2.

 Débranchez toutes les sour

ces d’alimentation 

av

ant l’entretien.

3.

 Le transf

ormateur peut 

av

oir un r

obinet principal à double tension.

 

Agencez la position du r

obinet au type de tension de l’installation.

4.

 Si le câblage interne est remplacé

, utilisez seulement un fil de 

cuivre 105° C du même gabarit.

CONTR

OL 

  BO

ARD

R

C

L2

L1

HEA

T

COOL

EA

C

L1

L2

HEA

TER

Y

W

GC

R

TRANSFORMER

24V

230V

LIMIT

ELEMENT RELA

Y

ELEMENT

SUPPL

VO

LT

AG

E

PSC

MO

TO

R

(3-SPEED)

1

3

5

2

4

6

1=COM

2=CAP

.

3=CAP

.

4=HI

5=MED

6=LO

W

CAP

.

MO

TO

R CONNECTION

                        SEE NO

TE

NO

TE:

1.

 B6BW

-030:

  USE 3-SPEED MO

TOR CONNECTION AS ABO

VE.

2.

 B6BW

-018 AND B6BW

-024:

  USE 2-SPEED MO

TOR CONNECTION.

 

 

2-SPEED

 

MTR

1=COM 2=CA

P.

3=CAP

.

4=HI 5=LOW

1

3

5

2

4

6

CAP

.

L2

HEA

T

COOL

GRA

Y

CIRCUIT

BREAKER

ORANGE

COM

NO

AC

 RELA

Y

COM

NO

RED

GRA

Y

WHITE

BLA

CK

YELL

OW

WHITE

GRA

Y

RED

GREEN

BLA

CK

RED

RED

BLA

CK

BLA

CK

WHITE

HARNESS

HARNESS

HARNESS

CONNECT

OR

RED

WHITE

BLACK

BR

OW

N

BR

OW

N

CONNECT

OR

WHITE

RED

BLA

CK

BR

OW

N

BR

OW

N

BL

WDTC

R

BLACK

IF BO

ARD 

EQUIPPED 

WITH

 

BL

WDTC

 

TERMINAL

WHITE

GRA

Y

RED

Figure 5. Wiring Diagram for 1.5, 2, & 2.5 Ton Units

(B6BW-018K, B6BW-024K, & B6BW-030K)

Summary of Contents for B6BW Series

Page 1: ...rrait entraînerunfonctionnementdangereuxdel appareil des blessures graves la mort ou des dommages matériels Unentreteinincorrectpourraitentraînerunfonctionnement dangereux de l appareil des blessures graves la mort ou des dommages matériels Couper toute alimentation électrique au générateur d air chaud avant de prodéder aux travaux d entretein Au moment de l entretien des commandes étiquetez tous ...

Page 2: ...chaud avant de prodéder aux travaux d entretein Au moment de l entretien des commandes étiquetez tous les fils avant de les débrancher S assurer de les raccorder correctement S assurerquel appareilfonctionneadéquatement aprés l entretien IMPORTANT SAFETY INFORMATION 2 REQUIREMENTS CODES 3 GENERAL INFORMATION 4 Before You Install this Unit 4 Locating the Air Handler 4 Minimum Clearances 4 Operation...

Page 3: ...8 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 WARNING NITROGEN HEALTH FLAMMABILITY REACTIVITY 0 Minimal Hazard 1 Slight Hazard 1 0 0 B6BW Air Handlers leave the factory with a nitrogen ...

Page 4: ...power service access and noise The dimensions of the room or alcove must be able to accommodate the overall size of the unit and the installation clearances listed in Table 1 Physical dimensions for this air handler are shown in Figure 4 page 13 and Table 7 page 14 The air handler should be installed before routing the refrigerant tubing Minimum Clearances This appliance must be installed in accor...

Page 5: ...s and air ducts must be installed in accordance with the Standard for the Installation of Air Conditioning and Ventilating Systems NFPA No 90A or the Standard for the Installation of Warm Air Heating and Air Conditioning Systems NFPA No 90B Design the duct work according to methods described by the Air Conditioning Contractors of America ACCA The return air duct must have the same free area as the...

Page 6: ...ation attach bottom access panel to the front of the unit below the top service panel If the air handler is recessed in a wall attachment to the framing studs are through the inside of the front flange For hanging applications these units are provided with 2 piece offset hanging bracket attached to the rear of the cabinet See Figure 1 Mounting bracket dimensions are shown in Figure 4 page 13 Conne...

Page 7: ... accordance with the outdoor unit specifications Verify the ends are round clean and free of any burrs 2 Connect the suction and liquid lineset tubes CAUTION It is recommended that a wet rag be wrapped around the suction line before applying heat Failure to keep components cool during brazing may result in structural damage premature equipment failure or possible personal injury 3 Brazetheindividu...

Page 8: ...ls Couper toute alimentation électrique au générateur d air chaud avant de prodéder aux travaux d entretein Au moment de l entretien des commandes étiquetez tous les fils avant de les débrancher S assurer de les raccorder correctement S assurerquel appareilfonctionneadéquatement aprés l entretien Electrical connections must be in compliance with all applicable local codes and ordinances and with t...

Page 9: ...Air Conditioner Y Typical Air Conditioner with Standard Air Handler G R C E O Y Thermostat Typical Heat Pump with Standard Air Handler Heat Pump NOTE Jumper between W2 E is required when no OD T Stat is used W1 Y G R C Air Handler W1 Y G R C R C Y W2 O W2 Thermostat Connections Thermostat connections shall be in accordance with the instructions supplied with the thermostat and the indoor equipment...

Page 10: ...nitrogen charge Use caution when preparing coils for field connections If repairs makeitnecessaryforevacuationandcharging it should only be attempted by qualified trained personnel thoroughly familiar with this equipment Some local codes require licensed installation service personnel to service this type of equipment Under no circumstances should the equipment owner attempt to install and orservi...

Page 11: ...oom temperature Verify the blower cycles off with the thermostat UNIT MAINTENANCE Proper maintenance is most important to achieve the best performance from a furnace Follow these instructions for years of safe trouble free operation WARNING ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failuretofollowsafetywarningsexactlycouldresult in serious injury or property damage Improper servicing could result ...

Page 12: ...eel Inspect the blower wheel blades for accumulations of dirt and clean if necessary Inspect mounting nut for tightness when done BlowerMotor Assembly Inspecttheblowerassembly and motor mounting brackets for tightness and corrosion Correct deficiencies if necessary The blower motor contains sealed bearings and under normal operating conditions no maintenance is necessary for the life of the equipm...

Page 13: ...VIEW RIGHT SIDE LEFT SIDE BOTTOM VIEW 3 4 TOP VIEW Primary Secondary Drain Connections A Table 6 B6BW Specifications MODEL B6BW REFRIGERANT CONNECTIONS SUPPLY AIR DUCT DIMENSION A B SUCTION DIA LIQUID DIA 018K 3 4 3 8 9 x 17 1 4 36 3 8 9 1 2 019K 3 4 3 8 9 x 17 1 4 43 1 2 9 1 2 024K 3 4 3 8 9 x 17 1 4 36 3 8 9 1 2 030K 3 4 3 8 9 x 17 1 4 43 1 2 9 1 2 036K 3 4 3 8 15 x 17 1 4 43 1 2 15 1 2 Figure 4...

Page 14: ... cfm 5 2 External static pressure is shown in inches W C 3 All airflows are measured with filter and with dry coil For wet coil subtract 1 external static pressure 4 See unit nameplate or installation instructions for maximum recommended external static pressure Table 8 Control Board Operation CONTROL SIGNAL MODE OPERATION TOTAL KW BOARD ACTION W EHEAT ON 5 KW Stage 1 Heat on instantly Heat blower...

Page 15: ...a position du robinet au type de tension de l installation 4 Si le câblage interne est remplacé utilisez seulement un fil de cuivre 105 C du même gabarit CONTROL BOARD R C L2 L1 HEAT COOL EAC L1 L2 HEATER Y W G C R TRANSFORMER 24V 230V LIMIT ELEMENT RELAY ELEMENT SUPPLY VOLTAGE PSC MOTOR 3 SPEED 1 3 5 2 4 6 1 COM 2 CAP 3 CAP 4 HI 5 MED 6 LOW CAP MOTOR CONNECTION SEE NOTE NOTE 1 B6BW 030 USE 3 SPEE...

Page 16: ...llation 4 Si le câblage interne est remplacé utilisez seulement un fil de cuivre 105 C du même gabarit CONTROL BOARD R C L2 L1 HEAT COOL EAC L1 L2 HEATER Y W G C R TRANSFORMER 24V 230V LIMIT ELEMENT RELAY ELEMENT RELAY ELEMENT ELEMENT SUPPLY VOLTAGE NOTE 1 B6BW 030 USE 3 SPEED MOTOR CONNECTION AS ABOVE 2 B6BW 018 AND B6BW 024 USE 2 SPEED MOTOR CONNECTION MOTOR CONNECTION SEE NOTE PSC MOTOR 3 SPEED...

Page 17: ... installation 2 Débranchez toutes les sources d alimentation avant l entretien 3 Le transformateur peut avoir un robinet principal à double tension Agencez la position du robinet au type de tension de l installation 4 Si le câblage interne est remplacé utilisez seulement un fil de cuivre 105 C du même gabarit CIRCUIT BREAKER LIMIT ELEMENT RELAY ELEMENT SUPPLY VOLTAGE CONTROL BOARD R C L2 L1 L1 L2 ...

Page 18: ...d alimentation avant l entretien 3 Le transformateur peut avoir un robinet principal à double tension Agencez la position du robinet au type de tension de l installation 4 Si le câblage interne est remplacé utilisez seulement un fil de cuivre 105 C du même gabarit CONTROL BOARD R C L2 L1 L1 L1 L2 L2 Y W G C R CIRCUIT BREAKER TRANSFORMER 24V 208V 240V ELEMENT RELAY ELEMENT RELAY ELEMENT ELEMENT SUP...

Page 19: ...butor Mounting Bracket Drain Pan Heating Element Assembly Limit Switch Element Relay Blower Housing Transformer Capacitor Blower Wheel T Board PCB Board Motor Mount Blower Motor Figure 9 Air Handler Components Location of Air Handler Components ...

Page 20: ...en installing this product and using common sense plays an important role as well Pay attention to all safety warnings and any other special notes highlighted in the manual Improper installation of the furnace or failure to follow safety warnings could result in serious injury death or property damage These instructions are primarily intended to assist qualified individuals experienced in the prop...

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