Manuals / Thomas & Betts / Household Appliance / Fan

Thomas & Betts LDAP 1200 The above control wiring is, Form RZ-NA-I-LDAP,P/N 207733 Rev 2, Page

Models: LDAP 1200

1 40

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LINE VOLTAGE

FIGURE 16 – Typical Wiring Diagram for Model LDAP 1200 (Reference W. D. 189376, Rev 2)

	6
	7	230/1/60
	8	230/1/60
	8	208 OR
	9	208 OR
	9

10N G G

11

12L1

13L1 BK L1

BK

14	L1
15
16
17

CUSTOMER'S FUSIBLE

LOCKABLE ON/OFF

DISCONNECT SWITCH

DISCONNECT

(SEE NOTES on page 22.)

L3

T3

Y

L3

T2

T1

L1

BK

GRD

G

L1

BK

MAIN

#1 VENT PERMISSIVE

VENTER MOTOR

RELAY CONTACTS

& CAPACITOR

BK L1

BK

4

PR

PR A BK

B

Y L3

2

#2 VENT PERMISSIVE

RELAY CONTACTS

BK

BK

PR

PR

A

PR

2

4

#3 VENT PERMISSIVE

RELAY CONTACTS

BK

PR

PR

A

PR

2

4

L1

BK

Y

L3

L1

BK

Y

L3

LINE VOLTAGE

LINE VOLTAGE

LINE VOLTAGE

(SEE NOTE 7 on page 22.)

(SEE NOTE 7 on page 22.)

(SEE NOTE 7 on page 22.)

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

BK

L1

L1 B

8

8

8

8

8

8

BL

B

COM

Y

BK

COM

Y

BK

COM

Y

Y

40 VA. CONTROL

40 VA. CONTROL

40 VA. CONTROL

BL

BL

BR TRANSFORMER

BL

BR TRANSFORMER

BL

BR TRANSFORMER

BR

7

BL

BR

7

BL

MAIN COMBUSTION AIR

BR

7

PRESSURE

BL

SWITCH

O

O

O

22

BR

9

7

C

NO

3

CR

1

O

9

O

O

23

BR

BR

7

BR

7

3

CR

1

O

ADJUSTABLE

9

O

O

24

BR

BR

7

BR

7

3

CR

1

DESTRAT

FAN CONTROL

BL

R

10

R

R

25

BR

BR

7

3

CR

1

R

10

R

R

26

BR

BR

7

3

CR

1

R

10

R

R

27

BR

BR

7

3

CR

1

BL

BR

7

Y

N

G

GRD

BK

BL

BR

Y

G

G

G

SW1

GRD

SCREW

#1 REMOTE DESTRAT

L1

SEC

COM

NEUTRAL

RELAY CONTACTS

#1 FAN

PR

PR

BL

PR

P3-1

Y

SEE CHART PAGE 23 FOR

PERMISSIVE

#1 DESTRAT

2

4

RELAY CONTACTS

RELAY CONTACTS

SWITCH SETTINGS

L1

O

PR

C

PR

2

BL

W1

P3-2

G

4

5

4

BK

20uF CAPACITOR

2

Y

P3-3

W

REMOTE MOUNTED

AMP3.0

ATCORATO FUSE

BK

BR

BL

GRD

BL

BL

R

R

R

P3-4

BR/W

G

R

C

F

P3-5

FAN

MANUAL

M1

R

R

MOTOR

RESET

W2

HIGH LIMIT

CONTROL

LIMIT

R

R CONTROL

R

P1-8

NEUTRAL

W

W

22.

R

P1-3

NEUTRAL

Y

Y

40

BK

3

CR

1

Page

PRESSURE

Y

SWITCH

Y

P1-6

EAC/BL

BK

#1 HEAT PERMISSIVE

RELAY CONTACTS

on

Y

2

4

Y

P1-5

IND

BK

BK

H

BK

VENTER

6

TEST

MOTOR

E

C

NEUTRAL

W

J

W

BK

OK

NOT

BL

P1-4

FLAME

G

LED

LED

BR/W

BR

GAS VALVE

P1-2

G

Y

See

BL

BR

Y2

4uF CAPACITOR

FLAME

P1-7

REMOTE MOUNTED

R

#1 DSI

SPARK

ELECTRODE

BR

P1-9

3

CR

1

TRANSFORMER

W

W

46

BK

Y1

FLAME

CONTROL

SPARK GAP

GROUND

W

W

48

BR

BR

7

3

CR

1

TERMINAL STRIP

UNIT #1

L3

#1 HEAT PERMISSIVE

RELAY COIL 42

#2 HEAT PERMISSIVE RELAY COIL 64

#3 HEAT PERMISSIVE RELAY COIL 86

#1 DESTRAT RELAY COIL 34

#2 DESTRAT RELAY COIL 56

#3 DESTRAT RELAY COIL 78

L3

#1 FAN PERMISSIVE RELAY COIL 34 - 35

#1 VENT PERMISSIVE RELAY COIL 12

#1 REMOTE DESTRAT RELAY COIL 33

8

The above control wiring is

repeated in the second and third heat sections.

L3

Form RZ-NA-I-LDAP, P/N 207733 (Rev 2), Page 25

Image 25

Thomas & Betts LDAP 1200 The above control wiring is, repeated in the second and third heat sections, Page, Line Voltage

Contents

Reznor Model LDAP Table of ContentsFOR YOUR SAFETY If you smell gas 1.Open windows 2.Dont touch electrical switches3. Warranty 1.General 2.Installation CodesSpecial Installations Aircraft Hangars Hazard Levels of Warnings in this Manual5.High Altitude Operation 4.Uncrating and PreparationPressure Switch Switches7. Dimensions 6. Technical Data5-5/8” 11-3/4” 11-3/4” 143mm 298mm 298mm FIGURE 1B - Model LDAP800 and Model LDAP12003-1/4” 23” 584mm9.Combustion Air 8. ClearancesClearances - inches/mm Mounting Height Heater Throw - All Models 10.Heater Location10.Heater Location cont’d Weight lbs/kgSound Data Location RecommendationsWall Mounting Installing Louvers 11.Installing Heater and Louvers cont’d12.Gas Piping and Pressures Sizing Gas SupplyGas Connection Size Valve Outlet or Orifice Pressure SettingPressures 12. Gascont’d Instructions13.Burners 14.Electrical Supply and Connections Supply WiringHigh Altitude Capacity Changes Supply Wiring cont’d Disconnect Switch24V Control Wiring Connections 14.Electrical Supply and Connections cont’dLDAP 800 THERMOSTAT WIRING FIELD WIRINGCL18 G CL18Multiple Heater Control - Option CL31 and Option 15. Thermostat and Connections cont’dCL32 17. Limit Control 16.Combustion Air Proving Pressure Switches18.High Limit Control Pressure Switch Settings18.High Limit Control cont’d 19.Adjustable Air Destrati- fication Fan Control20.Ignition System Abnormal Heat Cycle Functions Normal Heat Cycle Operating SequenceNOTE All LED Flash Codes are on page Abnormal Heat Cycle Functions cont’d 20.Ignition System cont’dContinuous Fan Operation 21. Gas Valves Fault Modes Lockout22 Fan Motors Size 400 has 1 valve Size 800 has 2 valvesWiring Diagram NOTES 23.Wiring DiagramsOperating Sequence Factory Wiring Fan Motor WiringField Wiring WiringBlack - BK ColorBrown - BR CodesRed - RThe above control wiring is 23. Wiring Diagrams cont’drepeated in the second heat section Form RZ-NA-I-LDAP,P/N 207733 Rev 2, Pagerepeated in the second and third heat sections The above control wiring isForm RZ-NA-I-LDAP,P/N 207733 Rev 2, Page PageVenting Requirements 24. Venting1 Type of Vent Pipe VerticalOutlet 4 Joints and SealingVenting Requirements cont’d 24.Venting cont’d4Joints and Sealing cont’d 5Vent System Support 6CondensationRoof or Building Overhang Check the installation prior to startup Heater 25.Check Installation and StartupStartup and Warnings Operating Instructions and Operating SequenceCheck installation after startup MAINTENANCE AND SERVICE OPTIONAL ACCESSORIES28.Maintenance Schedule 26.4-WayDischarge Louvers, Option CD32 27.Nozzles30.Burner Maintenance 29.Heat Exchanger MaintenanceBurner Removal Instructions Refer to FIGURE CAUTION Use of eye protection is recommendedInspect and Clean the Burner 30.Burner Maintenance cont’dRe-Installthe Burner Burner Removal Instructions cont’d32.Ignition System 31.Burner Orifices33.Heat Section Venter Motor and Wheel FIGURE 24 - DSI Integrated Control Module Circuit35. Fan Motors 33.Heat Section Venter Motor and Wheel cont’dFan Blades and Guards36.Operating Gas Valves 37.Combustion Air Pressure Switches43. Troubleshooting 40.Transformer 41.Adjustable Fan Control38.Limit Control 39.High Limit Control 42. Vent SystemGeneral Troubleshooting Troubleshooting FlowchartDSI Integrated Control Module Circuit Board Trial Form RZ-NA-I-LDAP,P/N 207733 Rev 2, PageGeneral Troubleshooting cont’d