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Thomas & Betts LDAP 1200 warranty Technical Data, Dimensions

Models: LDAP 1200

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6. Technical Data

6. Technical Data

Model	One
LDAP	Downflow
400	Heater
Model LDAP 800
	One Heater
	with Two
	Downflow
	Heat
	Sections

Model LDAP 1200

One Heater with

Three Downflow

Heat Sections

	Model LDAP Size		400	800	1200
	Input Heating Capacity	btuh	400,000	800,000	1,200,000
	Input Heating Capacity	kw/h	117.1	234.2	351.4
		kw/h	117.1	234.2	351.4
	Thermal Efficiency (%)		83	83	83
	Output Heating Capacity	btuh	332,000	664,000	996,000
	Output Heating Capacity	kw/h	97.2	194.4	291.6
		kw/h	97.2	194.4	291.6
	Gas Connection (Inches)		1	1-1/4	1-1/4
	Vent Connection Diameter (Inches)		6	8	8
	Control Amps (24 volt)		1.0	2.0	3.0
	Full Load Amps (208 volt)		5.6	13.6	19.4
	Full Load Amps (230 volt)		5.5	12.8	18.5
	Normal Power Consumption @ 208V (watts)		1150	2448	3730
	Normal Power Consumption @ 230V (watts)		1230	2597	3959
	Discharge Air Temperature Rise (°F)		55	55	55
	Air Volume (Heat @ High Speed)	cfm	5589	11178	16768
	Air Volume (Heat @ High Speed)	m3/minute	158	317	475
	Discharge Air Opening Area	ft2	3.67	7.35	11.02
	Discharge Air Opening Area	m2	0.34	0.68	1.02
		m2	0.34	0.68	1.02
	Outlet Velocity (Heat @ High	fpm	1521	1521	1521
	Speed)	m/minute	464	464	464
	Air Volume (Destratification @	cfm	4650	9300	13950
	Medium Speed)	m3/minute	132	263	395
	Outlet Velocity (Destratification	fpm	1266	1266	1266
	@ Medium Speed)	m/minute	386	386	386
	Air Volume (Destratification @	cfm	3250	6500	9750
	Low Speed)	m3/minute	92	184	276
	Outlet Velocity (Destratification	fpm	885	885	885
	@ Low Speed)	m/minute	270	270	270
	Fan Motor HP (Qty)		1 (1)	1 (2)	1 (3)
	Fan Motor RPM		1050	1050	1050
	Fan Diameter (Inches)		24	24	24

7. Dimensions

THERMOSTAT

CONNECTION

9-1/4” (235mm)

5” 9-7/8” (127mm) (251mm)

2-5/8” (67mm)

43-1/2”

(1,105mm)

FIGURE 1A - Model LDAP 400

48-1/2” (1,232mm)

13-1/8” (333mm)

LINE VOLTAGE CONNECTION

DISCONNECTION SWITCH

	30”	2-1/8”
	(762mm)	2-1/8”
	17-1/8”	(54mm)
	17-1/8”
	(435mm)	7/8”
		(22mm)
14-7/8”		AIR DESTRATIFICATION
(378mm)		AIR DESTRATIFICATION
(378mm)		FAN CONTROL
		FAN CONTROL
		28-1/8”
		(714mm)
		HANGER LOCATION
9-1/8”		1/2 - 13 FEMALE THREAD
9-1/8”	ø 6” FLUE
(232mm)	ø 6” FLUE
	OUTLET

38”

(965mm)

	1-1/4”
FRONT VIEW	(32mm)

23”3-1/4”

(584mm) (83mm)

5-5/8” (143mm)

23”

(584mm)

1” NPT

GAS CONNECTION

RIGHT SIDE VIEW

15-1/4”

(387mm)

34-3/8”

(873mm)

TOP VIEW

	NOTE: If an optional
	nozzle is added to the
	discharge opening,
BOTTOM VIEW	see dimensions on
DISCHARGE OPENING	page 32.

Form RZ-NA-I-LDAP, P/N 207733 (Rev 2), Page 4

Image 4

Thomas & Betts LDAP 1200 warranty Technical Data, Dimensions

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” 584mm9.Combustion Air 8. ClearancesClearances - 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 Instructions13.Burners 14.Electrical Supply and Connections Supply WiringHigh 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 CL18Multiple Heater Control - Option CL31 and Option 15. Thermostat and Connections cont’dCL32 16.Combustion Air Proving Pressure Switches 17. Limit Control18.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 Fault Modes Lockout 21. Gas Valves22 Fan Motors Size 400 has 1 valve Size 800 has 2 valvesWiring Diagram NOTES 23.Wiring DiagramsOperating 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