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Installation Instructions

GENERAL

Read these instructions entirely before installing acces-

sory electric heaters. See Tables 1 – 4 for accessory usage.
See Tables 5 and 6 for accessory parts lists.

Turn off all power to unit prior to installing accessory
electric heater package. All wiring must comply with
applicable national and local codes.

Table 1 — Accessory Data — Units 50DJ034,044

ACCESSORY

HEATER

HEATER

SELECTION

APPLIED TO

TYPICAL

WIRING

PACKAGE

VOLTS

BASE UNIT

MOUNTING

DIAGRAM

50DJ901

(3 Ph, 60 Hz)

50

FIG. NO.

FIG. NO.

851

208/230

Lo 36 kW

DJ034,044

2, 3

7

861

208/230

Med 72 kW

DJ034,044

2, 3

8

871

208/230

Hi 108 kW

DJ034,044

2, 3

9

881

460

Lo 36 kW

DJ034,044

2, 3

10

891

460

Med 72 kW

DJ034,044

2, 3

12

901

460

Hi 108 kW

DJ034,044

2, 3

13

911

575

Lo 36 kW

DJ034,044

2, 3

10

921

575

Med 72 kW

DJ034,044

2, 3

12

931

575

Hi 108 kW

DJ034,044

2, 3

13

Table 2 — Accessory Data — Units 50DK/NK034,044 (With or Without Inlet Guide Vanes)

ACCESSORY

HEATER

HEATER

SELECTION

APPLIED TO

TYPICAL

WIRING

PACKAGE

VOLTS

BASE UNIT

MOUNTING

DIAGRAM

50DJ901

(3 Ph, 60 Hz)

50

FIG. NO.

FIG. NO.

941

208/230

Lo 36 kW

DK/NK034,044

2, 3

7

951

208/230

Med 72 kW

DK/NK034,044

2, 3

8

961

460

Lo 36 kW

DK/NK034,044

2, 3

11

971

460

Med 72 kW

DK/NK034,044

2, 3

12

981

575

Lo 36 kW

DK/NK034,044

2, 3

11

991

575

Med 72 kW

DK/NK034,044

2, 3

12

Table 3 — Accessory Data — Units 50DJ054-074

ACCESSORY

HEATER

HEATER

SELECTION

APPLIED TO

TYPICAL

WIRING

PACKAGE

VOLTS

BASE UNIT

MOUNTING

DIAGRAM

50DJ901

(3 Ph, 60 Hz)

50

FIG. NO.

FIG. NO.

051

208/230

Lo 36 kW

DJ054-074

16, 17

21

141

208/230

Med 72 kW

DJ054-074

16, 17

22

151

208/230

Hi 108 kW

DJ054-074

16, 17

23

081

460

Lo 36 kW

DJ054-074

16, 17

24

091

460

Med 72 kW

DJ054-074

16, 17

26

101

460

Hi 108 kW

DJ054-074

16, 17

27

111

575

Lo 36 kW

DJ054-074

16, 17

24

121

575

Med 72 kW

DJ054-074

16, 17

26

131

575

Hi 108 kW

DJ054-074

16, 17

27

Table 4 — Accessory Data — Units 50DK/NK054-074 (With or Without Inlet Guide Vanes)

ACCESSORY

HEATER

HEATER

SELECTION

APPLIED TO

TYPICAL

WIRING

PACKAGE

VOLTS

BASE UNIT

MOUNTING

DIAGRAM

50DJ901

(3 Ph, 60 Hz)

50

FIG. NO.

FIG. NO.

161

208/230

Lo 36 kW

DK/NK054-074

16, 17

21

171

208/230

Med 72 kW

DK/NK054-074

16, 17

22

181

460

Lo 36 kW

DK/NK054-074

16, 17

25

191

460

Med 72 kW

DK/NK054-074

16, 17

26

211

575

Lo 36 kW

DK/NK054-074

16, 17

25

221

575

Med 72 kW

DK/NK054-074

16, 17

26

50DJ,DK,NK034-074

Accessory Electric Heat Packages

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book 1
Tab

1b

PC 111

Catalog No. 565-119

Printed in U.S.A.

Form 50DJ,DK-10SI

Pg 1

12-89

Replaces: New

Summary of Contents for 50DK034

Page 1: ... Med 72 kW DK NK034 044 2 3 12 981 575 Lo 36 kW DK NK034 044 2 3 11 991 575 Med 72 kW DK NK034 044 2 3 12 Table 3 Accessory Data Units 50DJ054 074 ACCESSORY HEATER HEATER SELECTION APPLIED TO TYPICAL WIRING PACKAGE VOLTS BASE UNIT MOUNTING DIAGRAM 50DJ901 3 Ph 60 Hz 50 FIG NO FIG NO 051 208 230 Lo 36 kW DJ054 074 16 17 21 141 208 230 Med 72 kW DJ054 074 16 17 22 151 208 230 Hi 108 kW DJ054 074 16 ...

Page 2: ... 2 2 2 2 2 2 4 1 2 1 2 19 Casing Cover 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 20 Connector 2 in 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Table 6 Accessory Parts List Sizes 054 074 ITEM NO DESCRIPTION ACCESSORY PACKAGE NO 50DJ901 051 081 091 101 111 121 131 141 151 161 171 181 191 211 221 Quantity 1 Heater Assembly 208 230 v 1 1 1 1 1 1 Heater Assembly 460 v 1 1 1 1 1 1 Heater Assembly 575 v 1 1 1 1 1 2 Heater Control...

Page 3: ...onnection to the electric heat control box 7 Fasten power harness to the load side of the power terminal block TB1 in the main control box See Fig 4 6 8 Install heater relays Model 50DJ only on main control box using 4 screws item 9 as shown in Fig 4 9 Make appropriate wiring connections to the heater re lays Model 50DJ only See Fig 4 10 Remove indoor fan access door frames on both sides of the un...

Page 4: ...Fig 2 Typical Control Box Mounting Models 50DJ DK NK034 044 Fig 3 Typical Heater Mounting Models 50DJ DK NK034 044 4 ...

Page 5: ...late UNITS 50DJ ONLY 31 Note the MCA and MOCP values for the heater package and connect properly sized power wiring Reconnect origi nal wires if suitable Replace main control box access covers Replace all panels and door frames removed dur ing installation Close and secure main control box ac cess doors as well as any others that are open 32 Apply power to unit Set thermostat to call for heat and ...

Page 6: ...Fig 4 Component Arrangement Models 50DJ034 044 6 ...

Page 7: ...Fig 5 Component Arrangement Models 50DK034 044 7 ...

Page 8: ...Fig 6 Component Arrangement Models 50NK034 044 8 ...

Page 9: ...Fig 7 Wiring Diagram 36 kW Accessory Electric Heat Package Applied to Models 50DJ DK NK034 044 208 230 V 9 ...

Page 10: ...Fig 8 Wiring Diagram 72 kW Accessory Electric Heat Package Applied to Models 50DJ DK NK034 044 208 230 V 10 ...

Page 11: ...Fig 9 Wiring Diagram 108 kW Accessory Electric Heat Package Applied to Models 50DJ034 044 208 230 V 11 ...

Page 12: ...Fig 10 Wiring Diagram 36 kW Accessory Electric Heat Package Applied to Models 50DJ034 044 460 575 V 12 ...

Page 13: ...Fig 11 Wiring Diagram 36 kW Accessory Electric Heat Package Applied to Models 50DK NK034 044 460 575 V 13 ...

Page 14: ...Fig 12 Wiring Diagram 72 kW Accessory Electric Heat Package Applied to Models 50DJ DK NK034 044 460 575 V 14 ...

Page 15: ...Fig 13 Wiring Diagram 108 kW Accessory Electric Heat Package Applied to Models 50DJ034 044 460 575 V 15 ...

Page 16: ...Fig 14 Microprocessor Board 16 ...

Page 17: ...g 17 Make sure enough length of wire is available for con nection to the electric heat control box 7 Fasten power harness to the load side of the power terminal block TB1 in the main control box See Fig 18 20 8 Install heater relays Models 50DJ only on main con trol box using 4 screws item 8 as shown in Fig 18 9 Make appropriate wiring connections to the heater re lays as shown in Fig 18 units 50D...

Page 18: ...Fig 16 Typical Heater Mounting Models 50DJ DK NK054 074 Fig 17 Typical Control Box Mounting Models 50DJ DK NK054 074 18 ...

Page 19: ...t origi nal wires if suitable Replace main control box access covers Replace all panels and door frames removed during installation Close and secure main control box access doors as well as any others that are open 31 Apply power to unit Set thermostat to call for heat and check heating effect at supply air ducts UNITS 50DK ONLY IMPORTANT See Fig 14 and 19 and locate DIP Dual Inline Package switch...

Page 20: ...Fig 18 Component Arrangement Models 50DJ054 074 20 ...

Page 21: ...Fig 19 Component Arrangement Models 50DK054 074 21 ...

Page 22: ...Fig 20 Component Arrangement Models 50NK054 074 22 ...

Page 23: ...Fig 21 Wiring Diagram 36 kW Accessory Electric Heat Package Applied to Models 50DJ DK NK054 074 208 230 V 23 ...

Page 24: ...Fig 22 Wiring Diagram 72 kW Accessory Electric Heat Package Applied to Models 50DJ DK NK054 074 208 230 V 24 ...

Page 25: ...Fig 23 Wiring Diagram 108 kW Accessory Electric Heat Package Applied to Models 50DJ054 074 208 230 V 25 ...

Page 26: ...Fig 24 Wiring Diagram 36 kW Accessory Electric Heat Package Applied to Models 50DJ054 074 460 575 V 26 ...

Page 27: ...Fig 25 Wiring Diagram 36 kW Accessory Electric Heat Package Applied to Models 50DK NK054 074 460 575 V 27 ...

Page 28: ...Fig 26 Wiring Diagram 72 kW Accessory Electric Heat Package Applied to Models 50DJ DK NK054 074 460 575 V 28 ...

Page 29: ...Fig 27 Wiring Diagram 108 kW Accessory Electric Heat Package Applied to Models 50DJ054 074 460 575 V 29 ...

Page 30: ......

Page 31: ......

Page 32: ... the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 Tab 1b PC 111 Catalog No 565 119 Printed in U S A Form 50DJ DK 10SI Pg 32 12 89 Replaces New ...

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