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Thomas & Betts LDAP 1200 Fan Motor Wiring, Terminal Block - Heat Section #1, Factory Wiring

Models: LDAP 1200

1 40

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Page 23

Wiring Black - BK

Wiring Black - BK

Color Brown - BR

Codes Red - R

Orange - O

Yellow - Y

Green - G

Blue - BL

Purple - PR

White - W

Switch Settng Chart for Fan

OFFDelay (See SW1 on W.D.)

TIME SW1 SW2

90 sec	OFF	ON
120 sec	OFF	OFF
160 sec	ON	OFF
45 sec	ON	ON

Fan Motor Wiring

White = Neutral

Black = High (Heat Speed)

Blue = Medium (Destratification Speed, Factory Wired) Red = Low (Optional Destratification Speed, Field Wired)

Key										Terminal Block - Heat Section #1
										Terminal Block - Heat Section #2
										Terminal Block - Heat Section #3
										Factory Wiring
										Factory Wiring
										Field Wiring
										Field Wiring

Field Control Wiring

Total Wire	Distance from Unit	Minimum Recommended
Length	to Control	Wire Gauge
150 ft (46M)	75 ft (23M)	18 Gauge
250 ft (76M)	125 ft (38M)	16 Gauge
350 ft (107M)	175 ft (53M)	14 Gauge

FIGURE 14 – Typical Wiring Diagram for Model LDAP 400 (Reference W. D. 189374, Rev 2)

6

7

	CUSTOMER'S FUSIBLE						LOCKABLE ON/OFF DISCONNECT
	DISCONNECT SWITCH						LOCKABLE ON/OFF DISCONNECT
	DISCONNECT SWITCH
	(SEE NOTES on page 22.)
							L3	T3


								Y

8

9

10

11

12

13

14

15

16

17

18

19

208 OR 230/1/60

N

G

GRD

C

Y1 W

Y2

L1

L1

L2 T2

L1 T1

BK

B

8BL

8BL

8BL

B

	LINE VOLTAGE
	(SEE NOTE 7 on page 22.)
B	COM	Y		Y	L3
B		Y		Y

		40 VA. CONTROL
BL		BR TRANSFORMER	BR	7

ADJUSTABLE

DESTRAT

FAN CONTROL

DESTRAT

B

R

R

R

R

15

BR

10

7

RELAY COIL

3

CR

1

22

W

16

BR

REMOTE

7

DESTRAT

3

CR

1

RELAY COIL

21

BR

7

Y

L3

GRD

N

G

BL

BR

G

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

BK

22.			G								L1
Page											L1
Page				PR						P3-1	Y
E 6 on			W1							P3-2	G
E 6 on				Y						P3-3	W
NOT			R	R					R	P3-4	R
See					MANUAL					P3-5	C
					RESET
					HIGH LIMIT
					CONTROL			LIMIT
			W2		R		R	CONTROL R		P1-8
				O					R	P1-3
ALT. HONEYWELL						PRESSURE
TWO STAGE					Y	SWITCH			Y	P1-6
GAS VALVE										P1-6
GAS VALVE				TERMINAL
LOW	STG	BL		TERMINAL
MV									Y	P1-5
									Y
	C	BR		STRIP	TWO STAGE
	C				HONEYWELL
					HONEYWELL
HIGH	STG				GAS VALVE
HIGH	STG					LO	BL		BL	P1-4
						LO
O	HI				LOW	STG	BR		BR	P1-2
						C	BR		BR	P1-2
						C
ALT. HONEYWELL					HIGH	STG		FLAME	R	P1-7
SINGLE STAGE					HIGH	STG	ELECTRODE		R
SINGLE STAGE
GAS VALVE			BL
GAS VALVE					O	HI			BR	P1-9
BL			BR			HI
BL			BR

FLAME GROUND

Y

G

SW1

GRD

SCREW

REMOTE DESTRAT

SEC

COM

NEUTRAL

RELAY CONTACTS

FAN

PR

PR

B

SEE CHART AT TOP OF PAGE FOR

PERMISSIVE

DESTRAT RELAY

2

4

RELAY CONTACTS

CONTACTS

SWITCH SETTINGS

O

PR

C PR

B

L1

4

4

5

2

BK

20uF CAPACITOR

2

REMOTE MOUNTED

3.0 AMP

ATO OR ATC FUSE

BR/W

BR

G

BK

B

GRD

BL

F

BL

FAN

M1

R

R

MOTOR

NEUTRAL

W

W

Y

Y

28

BK

FAN PERMISSIVE

NEUTRAL

RELAY COIL

3

CR

1

22 - 23

EAC/BLO

BK

IND

BK

TEST

VENTER

MOTOR

NEUTRAL

W

W

BK

OK

FLAME

G

LED

LED

BR/W

G

Y

BR

4uF CAPACITOR

SPARK

REMOTE MOUNTED

TRANSFORMER

DSI CONTROL

SPARK GAP

Form RZ-NA-I-LDAP, P/N 207733 (Rev 2), Page 23

Image 23

Thomas & Betts LDAP 1200 Fan Motor Wiring, Terminal Block - Heat Section #1, Terminal Block - Heat Section #2, Dsi Control

Contents

2.Dont touch electrical switches Table of ContentsReznor Model LDAP FOR YOUR SAFETY If you smell gas 1.Open windowsHazard Levels of Warnings in this Manual 1.General 2.Installation Codes3. Warranty Special Installations Aircraft HangarsSwitches 4.Uncrating and Preparation5.High Altitude Operation Pressure Switch7. Dimensions 6. Technical Data23” 584mm FIGURE 1B - Model LDAP800 and Model LDAP12005-5/8” 11-3/4” 11-3/4” 143mm 298mm 298mm 3-1/4”Clearances - inches/mm 8. Clearances9.Combustion Air Mounting Height Heater Throw - All Models 10.Heater LocationLocation Recommendations Weight lbs/kg10.Heater Location cont’d Sound DataWall Mounting Sizing Gas Supply 11.Installing Heater and Louvers cont’dInstalling Louvers 12.Gas Piping and PressuresGas Connection Size Valve Outlet or Orifice Pressure SettingInstructions 12. GasPressures cont’dHigh Altitude Capacity Changes Supply Wiring13.Burners 14.Electrical Supply and Connections 14.Electrical Supply and Connections cont’d Disconnect SwitchSupply Wiring cont’d 24V Control Wiring ConnectionsCL18 FIELD WIRINGLDAP 800 THERMOSTAT WIRING CL18 GCL32 15. Thermostat and Connections cont’dMultiple Heater Control - Option CL31 and Option Pressure Switch Settings 16.Combustion Air Proving Pressure Switches17. Limit Control 18.High Limit Control20.Ignition System 19.Adjustable Air Destrati- fication Fan Control18.High Limit Control cont’d NOTE All LED Flash Codes are on page Normal Heat Cycle Operating SequenceAbnormal Heat Cycle Functions Continuous Fan Operation 20.Ignition System cont’dAbnormal Heat Cycle Functions cont’d Size 400 has 1 valve Size 800 has 2 valves Fault Modes Lockout21. Gas Valves 22 Fan MotorsOperating Sequence 23.Wiring DiagramsWiring Diagram NOTES WiringBlack - BK ColorBrown - BR CodesRed - R Fan Motor WiringFactory Wiring Field WiringForm RZ-NA-I-LDAP,P/N 207733 Rev 2, Page 23. Wiring Diagrams cont’dThe above control wiring is repeated in the second heat sectionPage The above control wiring isrepeated in the second and third heat sections Form RZ-NA-I-LDAP,P/N 207733 Rev 2, PageVertical 24. VentingVenting Requirements 1 Type of Vent PipeOutlet 4 Joints and Sealing5Vent System Support 6Condensation 24.Venting cont’dVenting Requirements cont’d 4Joints and Sealing cont’dRoof or Building Overhang Operating Instructions and Operating Sequence 25.Check Installation and StartupCheck the installation prior to startup Heater Startup and WarningsCheck installation after startup 26.4-WayDischarge Louvers, Option CD32 27.Nozzles OPTIONAL ACCESSORIESMAINTENANCE AND SERVICE 28.Maintenance ScheduleCAUTION Use of eye protection is recommended 29.Heat Exchanger Maintenance30.Burner Maintenance Burner Removal Instructions Refer to FIGUREBurner Removal Instructions cont’d 30.Burner Maintenance cont’dInspect and Clean the Burner Re-Installthe BurnerFIGURE 24 - DSI Integrated Control Module Circuit 31.Burner Orifices32.Ignition System 33.Heat Section Venter Motor and Wheeland Guards 33.Heat Section Venter Motor and Wheel cont’d35. Fan Motors Fan Blades36.Operating Gas Valves 37.Combustion Air Pressure Switches42. Vent System 40.Transformer 41.Adjustable Fan Control43. Troubleshooting 38.Limit Control 39.High Limit ControlForm RZ-NA-I-LDAP,P/N 207733 Rev 2, Page Troubleshooting FlowchartGeneral Troubleshooting DSI Integrated Control Module Circuit Board TrialGeneral Troubleshooting cont’d