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Johnson Controls 18B Installation Manual Download Page 11

278410-UIM-K-1010

Johnson Controls Unitary Products

11

SECTION IX: UNIT DATA

 FIGURE 13:  

Blower Speed Connections

FACTORY WIRED TO
TRANSFORMER

FACTORY WIRED TO
FAN MOTOR RELAY
TERMINAL ON
CONTROL BOARD

YEL

PUR

PUR

HIGH

MED

LOW

GND.

230 VOLT
BLOWER MOTOR

5 TON  HIGH EFFICIENCY MOTOR

1-1/2 TON TO 4 TON STANDARD MOTOR

CAP

BRN

1

2

3
4
5

C
G

L

N

WHT

BLK

GRN

YEL

PUR

TO

TRANSFORMER

230V

208 / 230V

FAN MOTOR

TO

CONTROL BOARD

24 V
EAC

GRN

BLOWER

YEL

*

For low fan speed behavior, see “Low Fan” under “Required Control Set-up” section

Low fan speed, connected to low fan terminals on control board, see wiring diagram

*

TABLE 7: 

Physical and Electrical Data

Models

18B

24B

30B

36C

Blower - Diameter x Width

9 x 6

10 x 9

10 x 9

10 x 10

Motor

HP

1/3 HP

1/4 HP

1/2 HP

3/4 HP

Nominal RPM

1075

1075

1075

1075

Voltage

230

Amps

Full Load (230)

1.9

1.5

2.2

3.6

Filter

1

Type

DISPOSABLE OR PERMANENT

Size

16 x 20 x 1

16 x 20 x 1

16 x 20 x 1

20 x 20 x 1

Permanent Type Kit

1PF0601BK

1PF0601BK

1PF0601BK

1PF0602BK

Shipping / Operating Weight (lbs.) - H Models

131/125

135/129

142/136

165/159

Models

42C

48D

60D

Blower - Diameter x Width

10 x 10

10 x 10

11 x 10

Motor

HP

3/4 HP

3/4 HP

1 HP

Nominal RPM

1075

1075

1050

Voltage

230

Amps

Full Load (230)

3.8

3.8

7.6

Filter

1

Type

DISPOSABLE OR PERMANENT

Size

20 x 20 x 1

22 x 20 x 1

22 x 20 x 1

Permanent Type Kit

1PF0602BK

1PF0603BK

1PF0603BK

Shipping / Operating Weight (lbs.) - H Models

167/161

190/179

193/182

1.  Field Supplied.

TABLE 8: 

Conversion Table

kW & MBH Conversions - for Total Power Input Requirement

FOR

208V

OPERATION 

MULTIPLY

240V

TABULATED kW & 

MBH BY

.751

230V

240V

.918

TABLE 9: 

Electrical Data - Cooling Only (60 Hz)

Models

Total Motor Amps

Minimum Circuit Ampacity

Max. O.C.P.

1 

Amps/Type

Minimum Wire 

Size A.W.G.

60 Hertz

60 Hertz

208V

230V

208V

230V

18B

1.7

1.9

2.1

2.4

15

14

24B

1.4

1.5

1.8

1.9

15

14

30B

2

2.2

2.5

2.8

15

14

36C

3.3

3.6

4.1

4.5

15

14

42C

3.4

3.8

4.3

4.8

15

14

48D

3.4

3.8

4.3

4.8

15

14

60D

7.6

7.6

9.5

9.5

15

14

1. OCP = Over Current Protection device, must be HACR type Circuit Breaker or Time Delay fuse.

Summary of Contents for 18B

Page 1: ...ion in any upflow downflow or horizontal application These versatile models may be used for cooling or heat pump operation with or without electric heat A BRAND LABEL available from Distribution may be applied to the center of the blower access panel The unit can be positioned for bottom return air in the upflow position top return air in the downflow position and right or left return in the hor i...

Page 2: ...uest for inspection by the carrier s agent should be made in writing Also before installation the unit should be checked for screws or bolts which may have loosened in transit There are no shipping or spacer brackets which need to be removed Also check to be sure all accessories such as heater kits suspension kits and coils are available Installation of these accessories or field conversion of the...

Page 3: ...ssary based on air handler orienta tion 11 Re position and replace access panels In severe high humidity high temperature indoor unit environments an accessory insulation blanket is available to supplement the stan dard cabinet insulation Insulate with UPG Kit 1VJ0117 for B cabi nets 1VJ0121 for C cabinets or 1VJ0124 on 57 height or 1VJ0224 on 52 height D cabinets or seal completely with adequate ...

Page 4: ...erant Connections Drain Connections for Upflow and Downflow Applications 7 11 32 B A K C 1 1 2 Top Outlet Dimensions Filter Access 18 9 32 TABLE 1 Dimensions Models Dimensions Wiring Knockouts1 Refrigerant Connections Line Size A B C D E F J K Height Width Depth Power Control Liquid Vapor 18B 46 14 1 2 21 1 2 12 3 8 13 29 32 14 19 32 7 8 1 2 1 3 8 1 1 23 32 1 1 4 7 8 1 2 3 8 3 4 24B 46 17 1 2 12 3...

Page 5: ...nce inside the plenum box This turbulence can change the air flow patterns across the heat kit limit switch If the factory sug gested transition can not be fabricated it is recommended a block off plate approximately 8 in height and running the full width of the ple num be attached to the supply opening Please refer to Figure 7 as a visual aid The use of this block off plate will keep better air c...

Page 6: ...R HORIZONTAL APPLICATIONS 2 1 1 2 MIN 1 1 2 x 1 1 2 Angle Recommended length 26 minimum with 2 clearance on both sides of Air Handler MIN 3 8 THREADED ROD VAPOR LINE THERMAL EXPANSION VALVE BULB Required insulation not shown for clarity THERMAL EXPANSION VALVE DISTRIBUTOR BODY LIQUID LINE TXV EQUALIZER LINE NOTICE FIGURE 10 Proper Bulb Location COIL UNDER PRESSURE Relieve pressure by depressing sc...

Page 7: ...e the drains are not subject to any pressure it is not necessary to use Schedule 40 pipe for drain lines DO NOT use teflon tape pipe dope or other sealants The use of a sealant may cause damage and premature failure of the drain pan SECTION IV ELECTRIC HEATER INSTALLATION If the air handler requires electric heat install the electric heat kit according to the installation instructions included wit...

Page 8: ... will not energize the heat relay outputs or sense the limit switch input If the jumper is not present the control will operate as if the jumper is in the HEAT position If the jumper is not present and a heat kit is not pres ent the control will sense an open limit condition and the blower will run continuously Hum Stat Jumper The HUM STAT jumper configures the control to monitor the humidity swit...

Page 9: ...at signal a call for first stage heat will energize two heating elements HT1 and HT2 With either configuration the control will energize three heating ele ments HT1 HT2 and HT3 when it receives a first and second stage heat input from the thermostat Limit Switch and Lockout Operation Limit Switch Operation If the HEAT ENABLE jumper is in the HEAT position and the limit switch opens fault code 1 th...

Page 10: ...ction to the air handler If wire other than uncoated non plated 75 C ambient copper wire is used consult applicable tables of the National Electric Code ANSI NFPA 70 The chosen conductor and connections all must meet or exceed the amperage rating of the overcurrent protector circuit breaker or fuse in the circuit Additionally existing aluminum wire within the structure must be sized correctly for ...

Page 11: ... x 20 x 1 Permanent Type Kit 1PF0601BK 1PF0601BK 1PF0601BK 1PF0602BK Shipping Operating Weight lbs H Models 131 125 135 129 142 136 165 159 Models 42C 48D 60D Blower Diameter x Width 10 x 10 10 x 10 11 x 10 Motor HP 3 4 HP 3 4 HP 1 HP Nominal RPM 1075 1075 1050 Voltage 230 Amps Full Load 230 3 8 3 8 7 6 Filter1 Type DISPOSABLE OR PERMANENT Size 20 x 20 x 1 22 x 20 x 1 22 x 20 x 1 Permanent Type Ki...

Page 12: ...4 4HK16501806 0 5 Hi 13 2 17 6 45 1 60 1 3 3 4 4 6 6 8 8 13 2 17 6 42C 4HK 6500506 0 5 Lo 3 6 4 8 12 3 16 4 3 6 4 8 3 6 4 8 3 6 4 8 4HK 6500806 0 5 Med 5 6 7 5 19 2 25 6 2 8 3 75 2 8 7 5 5 6 7 5 4HK 6501006 0 5 Med 7 2 9 6 24 6 32 8 3 6 4 8 7 2 9 6 7 2 9 6 4HK16501306 0 5 Med 9 8 13 33 3 44 4 3 3 4 3 6 5 8 7 9 8 13 0 4HK16501506 0 5 Med 10 8 14 4 36 9 49 1 3 6 4 8 7 2 9 6 10 8 14 4 4HK16501806 0 5...

Page 13: ...45 8 8 4HK 6501006 40 0 47 5 54 5 50 60 8 6 4HK16501306 54 2 63 1 72 2 70 80 4 2 4HK16501506 60 0 69 1 79 5 70 90 4 3 4HK16501806 73 3 83 6 96 1 90 100 3 3 42C 4HK 6500506 20 0 25 9 29 8 30 30 8 8 4HK 6500806 31 3 38 1 43 9 40 45 8 8 4HK 6501006 40 0 47 6 54 8 50 60 6 6 4HK16501306 54 2 63 3 72 5 70 80 4 2 4HK16501506 60 0 69 3 79 8 70 90 4 3 4HK16501806 73 3 83 7 96 4 90 100 3 3 4HK16502006 80 0 ...

Page 14: ...13 Electrical Data 208 230 3 60 Models Heat Kit Three Phase Max Static Min Speed Tap Total Heat1 KW Staging KW MBH W1 Only W2 Only W1 W2 208V 230V 208V 230V 208V 230V 208V 230V 208V 230V 24B 4HK06501025 0 5 Hi 7 2 9 6 24 6 32 8 7 2 9 6 7 2 9 6 7 2 9 6 30B 4HK06501025 0 5 Hi 7 2 9 6 24 6 32 8 7 2 9 6 7 2 9 6 7 2 9 6 4HK065N1525 0 5 Hi 10 8 14 4 36 9 49 1 10 8 14 4 10 8 14 4 10 8 14 4 36C 4HK0650102...

Page 15: ... 485 387 323 221 23 8 22 9 21 7 19 6 17 3 15 6 13 7 11 0 9 1 6 3 Low 654 614 548 483 420 349 302 218 179 130 18 5 17 4 15 5 13 7 11 9 9 9 8 6 6 2 5 1 3 7 30B High 1244 1184 1138 1079 1004 903 841 674 580 457 35 2 33 5 32 2 30 6 28 4 25 6 23 8 19 1 16 4 12 9 Med 956 913 868 815 748 663 574 487 384 N A 27 1 25 9 24 6 23 1 21 2 18 8 16 3 13 8 10 9 N A Low 941 904 862 806 731 643 566 480 361 226 26 6 ...

Page 16: ... 1681 1607 1538 1456 1360 1322 1260 966 770 49 8 47 6 45 5 43 6 41 2 38 5 37 4 35 7 27 4 21 8 Med 1320 1284 1255 1207 1146 1075 988 846 729 572 37 4 36 4 35 5 34 2 32 5 30 4 28 0 24 0 20 6 16 2 Low 1146 1119 1090 1038 992 972 841 725 617 496 32 5 31 7 30 9 29 4 28 1 27 5 23 8 20 5 17 5 14 0 42C High 1883 1764 1657 1543 1435 1327 1210 912 714 527 53 3 50 0 46 9 43 7 40 6 37 6 34 3 25 5 20 2 14 9 Me...

Page 17: ... CLEANING If the coil needs to be cleaned or replaced it should be washed with Calgon CalClean mix one part CalClean to seven parts water Allow solution to remain on coil for 30 minutes before rinsing with clean water Solution should not be permitted to come in contact with painted sur faces LUBRICATION The bearings of the blower motor are permanently lubricated CONDENSATE DRAINS During the coolin...

Page 18: ...278410 UIM K 1010 18 Johnson Controls Unitary Products SECTION XI WIRING DIAGRAM FIGURE 16 Wiring Diagram AHP18 48 ...

Page 19: ...278410 UIM K 1010 Johnson Controls Unitary Products 19 FIGURE 17 Wiring Diagram AHP60 ...

Page 20: ... change without notice Published in U S A 278410 UIM K 1010 Copyright 2010 by Johnson Controls Inc All rights reserved Supersedes 278410 UIM J 0810 Johnson Controls Unitary Products 5005 York Drive Norman OK 73069 ...

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