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28

Air Handler 

01/15

711247A

NOTES:
1. The blower motor speed tapconnection may not be as shown. 
    See the Installation Instructions.
2. Disconnect all power beforeservicing.
3. Transformer may have a dual voltage primary tap. 
   Match the tap position with the supply voltage used.
4. If the internal wiring is replaced, use only 105°C 
   copper wire of the same gauge.

Remarques
1. Le connecteur de vitesse du moteur du ventilateur peut 

différer de l’illustration. Consultez les Instructions 
d’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.

WIRING DIAGRAM

FIELD WIRING

LEGEND:

LOW VOLTAGE

HIGH VOLTAGE

(Replaces 7112470)

CAP.

1

3

5

2

1

2

4

6

HEATER PLUG

RELAY

Y

L2

W G

R

C

R
C
L2
L1

-

7 6 5 4 3 2 1

1=COM
2=CAP.
3=CAP.
4=HI
5=MED
6=LOW

240

24 V

208

COM

TRANSFORMER

R

C

LOCATION OF
“T” CONNECTOR

MOTOR

3-SPEED

4-PIN PLUG (18)

L1

EAC

COOL

HEAT

RELAY

CUT WIRES TO REMOVE PLUG HOUSING
WHEN HEATER KIT NOT INSTALLED

BLACK

RED

WHITE

BROWN

BROWN

BLACK

RED

YELLO

W

WHITE

GREEN GRA

Y

RED

RED

BL

AC

K

BLW DTC

R

BLACK

IF BOARD 
EQUIPPED 
WITH 
BLWDTC 
TERMINAL

WHITE

GRAY

Figure 19. 

B6BM Wiring Diagram

Summary of Contents for B6BM Series

Page 1: ...ole 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...

Page 2: ...tion 12 Turning the Blower Off 12 System Cooling 12 System Heating 12 Selecting Minimum Electric Heat Airflow 12 Blower Configurations 12 Determining Nominal System Capacity 12 3 Speed Units 12 High E...

Page 3: ...installation service and operation of this unit Unqualified individuals should not attempt to interpret these instructions or install this equipment Failure to follow safety recommendations could resu...

Page 4: ...ment Refer to applicable building codes for details Static pressure drop through louvered openings and through return air plenums should be considered in the overallductdesigninthedeterminationoftheto...

Page 5: ...install all the needed gaskets and grommets around penetrations into the air handler such as for electrical wiring Air handler INSTALLATION B6 series air handler s are shipped ready for vertical upflo...

Page 6: ...oil and drain pan assembly out of the unit 3 Remove the sheet metal hairpin covers if supplied from the back of the coil and discard 4 Place the horizontal drain pan on the opposite side of the coil O...

Page 7: ...equipment damage personal injury or death The installer should make every effort to ensure the field installed refrigerant containing components of the system have been installed in accordance with t...

Page 8: ...htenanadditional1 4turnusingtwowrenches The movement of the two lines will show how much the nut is tightened If a torque wrench is used tighten to 10 12 ft lbs or 14 16 Nm Connecting the Linesets The...

Page 9: ...d tubing or pvc pipe and adequately trapped Both drain tubes must have a minimum diameter of 3 4 and be trapped separately IMPORTANT Failure to install a trap may result in condensation overflowing th...

Page 10: ...of the original wires supplied with the unit the replacement wire must be copper wire consisting of the same gauge and temperature rating Provide power supply for the unit in accordance with the unit...

Page 11: ...ions The motor control board has a DHUM or D connection that allows the system to increase the amount of humidity that is removed from the circulating air See Figure 17 Figure 18 page 27 This is accom...

Page 12: ...control boards do not support non electric heat because the heating air flow cannot be set independently Blower Configurations Determining Nominal System Capacity To select the appropriate airflows f...

Page 13: ...ed the basic cooling heat pump airflow selected may be too low Verify the setting selected is within the range shown in Table 9 and that the the system is properly charged Please refer to the instruct...

Page 14: ...etailers WARNING Never operate the air handler without a filter in place Dust and lint in the return air can build up on internal components resulting in loss of efficiency equipment damage and possib...

Page 15: ...11 4 15 8 17 8 11 4 3 1 4 2 5 8 11 8 K O typ 13 4 K O typ 1 7 8 3 5 8 5 5 8 DETAIL D 3 1 4 2 1 4 15 1 4 13 SUCTION LIQUID W 1 1 8 1 7 8 7 8 K O H 22 A Cabinet Size H W A Detail D A 43 5 16 14 3 16 12...

Page 16: ...Motor Mount Kit Blower Motor Transformer Capacitor Circuit Breaker 60A Heating Element Assembly Filter Tracks Blower Wheel Blower Housing Motor Control Board Filter Door Upper Door Assembly Lower Door...

Page 17: ...764 701 631 555 Corrected ESP1 0 00 0 04 0 16 0 27 0 39 0 51 0 62 0 74 Medium 1265 1232 1188 1133 1067 991 903 805 Corrected ESP1 0 00 0 00 0 03 0 15 0 28 0 41 0 54 0 68 High 1427 1385 1333 1270 1196...

Page 18: ...805 750 1 1 1 0 1155 1105 1060 1010 965 920 870 825 0 0 0 1 1230 1185 1140 1090 1045 1010 965 920 1 0 0 1 1285 1260 1210 1165 1125 1080 1040 1010 0 1 0 1 1330 1290 1245 1205 1170 1125 1085 1045 1 1 0...

Page 19: ...ttings for these airflows A Cabinet B Cabinet C Cabinet CFM Nominal Capacity CFM Nominal Capacity CFM Nomical Capacity 525 1 5 TON 525 1 5 TON 1100 3 TON 560 560 1200 3 5 TON 600 600 1250 625 650 2 TO...

Page 20: ...1100 1 0 1 0 0 700 1 15 1300 1 0 1 0 1 750 1 20 1500 1 0 1 1 0 800 1 25 n a 1 0 1 1 1 850 1 30 n a 1 1 0 0 0 875 1 1 0 0 1 950 1 1 0 1 0 1050 1 1 0 1 1 1150 1 1 1 0 0 1250 1 1 1 0 1 1350 1 1 1 1 0 14...

Page 21: ...7 67 6 50 25 70 020H XX 52 6 50 0 102 6 60 60 110 46 0 43 3 89 3 50 45 90 009Q XX 29 7 30 26 1 30 015Q XX 45 9 50 40 2 45 B 42 48 None 3 1 3 1 15 15 3 1 3 1 15 15 005H XX 28 1 28 1 30 30 24 8 24 8 25...

Page 22: ...ase MCA MOP MCA MOP Circuit A Circuit B Circuit C Single Circuit Circuit A Circuit B Circuit C Single Circuit Circuit A Circuit B Circuit C Single Circuit Circuit A Circuit B Circuit C Single Circuit...

Page 23: ...seconds delay Stage 3 Heat on after 10 seconds delay Stage 4 Heat on after 15 seconds delay Stage 5 Heat on after 20 seconds delay Stage 6 Heat on after 25 seconds delay Off Heat stages off instantly...

Page 24: ...econd delay Stage 2 Heat on after 5 seconds delay Stage 3 Heat on after 10 seconds delay Stage 4 Heat on after 15 seconds delay Stage 5 Heat on after 20 seconds delay 30 KW Stage 1Heat on instantly Co...

Page 25: ...Typical 2 Stage Heat Pump with 2 Stage Air Handler Y2 Y2 Y2 Y2 OUT W E R Air Conditioner Air Handler Air Conditioner Air Handler Heat Pump Air Handler Heat Pump O R C Y Air Handler Heat Pump NOTE Jum...

Page 26: ...1 BLWDTC BLWDTC_R HEAT COOL EAC L 1 L 2 P2 R C G W Y 3A Fuse HEATER P1 Figure 15 Single Stage Control Board C R G Y2 Y O 1W 2W 1Y L LED 1 HEATER P1 L 2 HUM EAC P2 3A Fuse P3 Figure 16 Two Stage Contro...

Page 27: ...N TEST PORT BLOWER MOTOR RED INPUTS COOL HEAT FAN SPEED OUTPUTS STATUS LIGHTS 2 3 4 5 6 7 8 OFF ON A B Figure 18 Variable Speed Motor Control Board Figure 17 Fixed Speed Motor Control Board 3A Fuse EA...

Page 28: ...e transformateur peut avoir un robinet principal double tension Agencez la position du robinet au type de tension de l installation 4 Si le c blage interne est remplac utilisez seulement un fil de cui...

Page 29: ...sse du moteur du ventilateur peut diff rer de l illustration Consultez les Instructions d installation 2 D branchez toutes les sources d alimentation avant l entretien 3 Le transformateur peut avoir u...

Page 30: ...ons d installation 2 D branchez toutes les sources d alimentation avant l entretien 3 Le transformateur peut avoir un robinet principal double tension Agencez la position du robinet au type de tension...

Page 31: ...31...

Page 32: ...INSTALLERS Itisyourresponsibilitytoknowthisproductbetterthanyourcustomer This includes being able to install the product according to strict safety guidelines and instructing the customer on how to o...

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