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Thomas & Betts LDAP 1200 Wiring Diagrams cont’d, The above control wiring is, Line Voltage

Models: LDAP 1200

1 40

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23. Wiring Diagrams (cont’d)

23. Wiring Diagrams (cont’d)

FIGURE 15 – Typical Wiring Diagram for Model LDAP 800 (Reference W.D. 189375, Rev 2)

6		CUSTOMER'S FUSIBLE DISCONNECT	LOCKABLE ON/OFF
6		SWITCH (SEE NOTES on page 22.)	DISCONNECT
		SWITCH (SEE NOTES on page 22.)	DISCONNECT
		L3	T3
7	230/1/60		Y
7
		L3	T2
8	OR
	OR	L1	T1
	208	L1	T1
9	208		BK
9

10GRD

N G

11

G

G

12

L1

BK

MAIN

#1 VENT PERMISSIVE

VENTER MOTOR

BK

RELAY CONTACTS

A BK

& CAPACITOR

13

L1

L1

BK

2

4

PR

#2 VENT PERMISSIVE

PR

BK

BK

BK

RELAY CONTACTS

14

L1

BK

PR

A

PR

2

4

15

L1

BK

LINE VOLTAGE

LINE VOLTAGE

16

(See NOTE 7 on page 22.)

(See NOTE 7 on page 22.)

17

L1

BK

BK

COM

Y

BK

COM

Y

40 VA. CONTROL

40 VA. CONTROL

18

8

BL

BL

BR

TRANSFORMER

BL

BR TRANSFORMER

BR

7

19

8

BL

BR

7

MAIN COMBUSTION AIR

PRESSURE

BL

SWITCH

O

O

O

20

BR

20

8

9

7

C

NO

3

CR

1

O

21

ADJUSTABLE

9

O

O

21

BR

BR

7

BR

7

DESTRAT

3

CR

1

FAN CONTROL

22

8

BL

BL

R

R

10

R

R

22

1

BR

BR

7

3

CR

R

23

10

R

R

23

BR

7

3

CR

1

24

25

8

BL

BR

7

BK

BL

26

L1

GRD

G

N

27

BK

BL

BR

Y

G

G

28

SW1

GRD

G

SCREW

#1 REMOTE DESTRAT

L1

SEC

COM

NEUTRAL

RELAY CONTACTS

29

#1 FAN

PR

PR

BL

2

4

PR

P3-1

Y

SEE CHART PAGE 23 FOR

PERMISSIVE

#1 DESTRAT

RELAY CONTACTS

RELAY CONTACTS

30

SWITCH SETTINGS

L1

O

PR

C

PR

BL

W1

P3-2

G

4

5

2

2

31

BK

20uF CAPACITOR

2

P3-3

W

REMOTE MOUNTED

Y

AMP3.0

ATCORATO FUSE

BK

BK

BL

GR

BL

BL

32

P3-4

R

BR/W

R

R

R

G

33

P3-5

C

F

FAN

MANUAL

R

R

MOTOR

34

RESET

M1

W2

HIGH LIMIT

LIMIT

CONTROL

35

22.

R

R

CONTROL R

P1-8

NEUTRAL

W

W

36

PAGE

R

P1-3

NEUTRAL

Y

Y

36

BK

ON

PRESSURE

3

CR

1

P1-6

37

Y

SWITCH

Y

EAC/BLO

BK

6

#1 HEAT PERMISSIVE

NOTE

RELAY CONTACTS

38

Y

Y

P1-5

IND

BK

BK

H

BK

2

4

VENTER

SEE

TEST

BL

P1-4

W

MOTOR

BK

39

NEUTRAL

J

W

OK

FLAME

GAS VALVE

G

BR

P1-2

LED

LED

40

C

BL

G

Y

BR/W

BR

41

FLAME

R

P1-7

4uF CAPACITOR

ELECTRODE

REMOTE MOUNTED

#1 DSI

3

CR

1

BR

SPARK

BK

42

Y2

P1-9

TRANSFORMER

W

W

42

CONTROL

43

FLAME

SPARK GAP

GROUND

44	Y1
44
45				W	45	BR	BR	7
45				3	CR	1		7
				3	CR	1
46	TERMINAL STRIP
	UNIT #1
47
48	BL
49	8 BL					BR	7
50	L1 BK
51		BL	BR	Y
	B	BL	BR	Y

The above control wiring is	7
repeated in the second heat section.

YL3

YL3

YL3

#1 HEAT PERMISSIVE RELAY COIL 38

#2 HEAT PERMISSIVE RELAY COIL 62

#1 DESTRAT RELAY COIL 30

#2 DESTRAT RELAY COIL 54

YL3

Y

#1 FAN PERMISSIVE RELAY COIL 30 - 31

#1 VENT PERMISSIVE RELAY COIL 13

#1 REMOTE DESTRAT RELAY COIL 29

Y

Y L3

Form RZ-NA-I-LDAP, P/N 207733 (Rev 2), Page 24

Image 24

Thomas & Betts LDAP 1200 warranty Wiring Diagrams cont’d, The above control wiring is, repeated in the second heat section

Contents

Table of Contents Reznor Model LDAPFOR YOUR SAFETY If you smell gas 1.Open windows 2.Dont touch electrical switches1.General 2.Installation Codes 3. WarrantySpecial Installations Aircraft Hangars Hazard Levels of Warnings in this Manual4.Uncrating and Preparation 5.High Altitude OperationPressure Switch Switches6. Technical Data 7. DimensionsFIGURE 1B - Model LDAP800 and Model LDAP1200 5-5/8” 11-3/4” 11-3/4” 143mm 298mm 298mm3-1/4” 23” 584mm8. Clearances 9.Combustion AirClearances - inches/mm 10.Heater Location Mounting Height Heater Throw - All ModelsWeight lbs/kg 10.Heater Location cont’dSound Data Location RecommendationsWall Mounting 11.Installing Heater and Louvers cont’d Installing Louvers12.Gas Piping and Pressures Sizing Gas SupplyValve Outlet or Orifice Pressure Setting Gas Connection Size12. Gas Pressurescont’d InstructionsSupply Wiring 13.Burners 14.Electrical Supply and ConnectionsHigh Altitude Capacity Changes Disconnect Switch Supply Wiring cont’d24V Control Wiring Connections 14.Electrical Supply and Connections cont’dFIELD WIRING LDAP 800 THERMOSTAT WIRINGCL18 G CL1815. Thermostat and Connections cont’d Multiple Heater Control - Option CL31 and OptionCL32 16.Combustion Air Proving Pressure Switches 17. Limit Control18.High Limit Control Pressure Switch Settings19.Adjustable Air Destrati- fication Fan Control 18.High Limit Control cont’d20.Ignition System Normal Heat Cycle Operating Sequence Abnormal Heat Cycle FunctionsNOTE All LED Flash Codes are on page 20.Ignition System cont’d Abnormal Heat Cycle Functions cont’dContinuous Fan Operation Fault Modes Lockout 21. Gas Valves22 Fan Motors Size 400 has 1 valve Size 800 has 2 valves23.Wiring Diagrams Wiring Diagram NOTESOperating Sequence Fan Motor Wiring Factory WiringField Wiring WiringBlack - BK ColorBrown - BR CodesRed - R23. Wiring Diagrams cont’d The above control wiring isrepeated in the second heat section Form RZ-NA-I-LDAP,P/N 207733 Rev 2, PageThe above control wiring is repeated in the second and third heat sectionsForm RZ-NA-I-LDAP,P/N 207733 Rev 2, Page Page24. Venting Venting Requirements1 Type of Vent Pipe Vertical4 Joints and Sealing Outlet24.Venting cont’d Venting Requirements cont’d4Joints and Sealing cont’d 5Vent System Support 6CondensationRoof or Building Overhang 25.Check Installation and Startup Check the installation prior to startup HeaterStartup and Warnings Operating Instructions and Operating SequenceCheck installation after startup OPTIONAL ACCESSORIES MAINTENANCE AND SERVICE28.Maintenance Schedule 26.4-WayDischarge Louvers, Option CD32 27.Nozzles29.Heat Exchanger Maintenance 30.Burner MaintenanceBurner Removal Instructions Refer to FIGURE CAUTION Use of eye protection is recommended30.Burner Maintenance cont’d Inspect and Clean the BurnerRe-Installthe Burner Burner Removal Instructions cont’d31.Burner Orifices 32.Ignition System33.Heat Section Venter Motor and Wheel FIGURE 24 - DSI Integrated Control Module Circuit33.Heat Section Venter Motor and Wheel cont’d 35. Fan MotorsFan Blades and Guards37.Combustion Air Pressure Switches 36.Operating Gas Valves40.Transformer 41.Adjustable Fan Control 43. Troubleshooting38.Limit Control 39.High Limit Control 42. Vent SystemTroubleshooting Flowchart General TroubleshootingDSI Integrated Control Module Circuit Board Trial Form RZ-NA-I-LDAP,P/N 207733 Rev 2, PageGeneral Troubleshooting cont’d