Reznor LDAP Unit Installation Manual Manual de usuario Pagina 1

Form I-LDAP, P/N 207733R6, Page 1Applies to: Model LDAP, Indirect Fired, Indoor, Downow, Packaged HeatersInstallation/Operation/Maintenance Reznor

Form I-LDAP, P/N 207733R6, Page 10

Form I-LDAP, P/N 207733R6, Page 11All piping must be in accordance with requirements outlined in the National Fuel Gas Code ANSI/Z223.1a (l

Form I-LDAP, P/N 207733R6, Page 12

Form I-LDAP, P/N 207733R6, Page 13CAUTION: DO NOT bottom out the gas valve regulator adjusting screw. This can result in unregulated manifold pressure

Form I-LDAP, P/N 207733R6, Page 14Adjust pressure by turning the regulator screw IN (clockwise) to increase pressure or OUT (counterclockwise) to decr

Form I-LDAP, P/N 207733R6, Page 15NOTE: Do not install louvers if installing a nozzle. Follow the instructions shipped with the nozzle.Louver Installa

Form I-LDAP, P/N 207733R6, Page 16

Form I-LDAP, P/N 207733R6, Page 172) Vent Pipe Diameter and Length • Use only one diameter of vent pipe on an installation. • Minimum vent length is

Form I-LDAP, P/N 207733R6, Page 18Support horizontal vent runs every six feet (1.8M). Support vertical runs of Type “B” double-wall or Category III ve

Form I-LDAP, P/N 207733R6, Page 197) Vent Terminal (Pipe and Vent Cap)The vent terminal pipe must be either Category III vent pipe or doub

Form I-LDAP, P/N 207733R6, Page 2WARNING: Gas-red appliances are not designed for use in hazardous atmospheres containing ammable vapors or c

Form I-LDAP, P/N 207733R6, Page 20Check the rating plate on the heater for the supply voltage and current require-ments. A dedicated line voltage supp

Form I-LDAP, P/N 207733R6, Page 21WD# 189504 REV. #3LDAP 400 - CL1, 22ROption CL1SINGLE STAGE THERMOSTATWGY2RW1GTWO STAGE THERMOSTAT Option CL22W2W1G

Form I-LDAP, P/N 207733R6, Page 227.2 24V Control Wiring (cont’d)7.0 Electrical and Wiring (cont’d)Multiple Heater Control - Option CL31 and Option CL

Form I-LDAP, P/N 207733R6, Page 23Operating Sequence (all sizes)1. Set thermostat at lowest setting (fan switch at “AUTO” position).2. Turn on the m

Form I-LDAP, P/N 207733R6, Page 24FIGURE 17 – Typical Wiring Diagram for Model LDAP 400 (Reference W. D. 189374, Rev 3)Terminal Block - Heat Section #

Form I-LDAP, P/N 207733R6, Page 25FIGURE 18 – Typical Wiring Diagram for Model LDAP 800 (Reference W.D. 189375, Rev 3)(Low Speed Destratification -fie

Form I-LDAP, P/N 207733R6, Page 26FIGURE 19 – Typical Wiring Diagram for Model LDAP 1200 (Reference W. D. 189376, Rev 3)(Low Speed Destratification -f

Form I-LDAP, P/N 207733R6, Page 278.1 Combustion Air Proving [Pressure Switch(es)]8.2 Limit ControlEach heat section is equipped with a temperature ac

Form I-LDAP, P/N 207733R6, Page 28Each heat section in this heater is equipped with a direct spark integrated control module (circuit board). The modu

Form I-LDAP, P/N 207733R6, Page 29Normal Heat Cycle Operating Sequence1) Call for Heat - The thermostat calls for heat by energizing the “W” terminal.

Form I-LDAP, P/N 207733R6, Page 3All Model LDAP high bay packaged heaters are design certied by ITS for use in industrial and commercial installation

Form I-LDAP, P/N 207733R6, Page 30venter motor through post purge, and run the fan motor on heat speed for the selected delay off time.Abnormal Heat C

Form I-LDAP, P/N 207733R6, Page 31Continuous Fan OperationLockoutsUndesired Flame - If ame is sensed longer than 20 seconds while the gas valve is de

Form I-LDAP, P/N 207733R6, Page 329.0 Check Installation and StartupCheck to be sure that all screws used to hold shipping brackets were re-installe

Form I-LDAP, P/N 207733R6, Page 33FIGURE 21 - Gas Valve ON/OFF Control Knob9.3

Form I-LDAP, P/N 207733R6, Page 34DANGER: The gas burner in this gas-red equipment is designed and equipped to provide safe controlled complete combu

Form I-LDAP, P/N 207733R6, Page 35

Form I-LDAP, P/N 207733R6, Page 36CAUTION: Use of eye protection is recommended.

Form I-LDAP, P/N 207733R6, Page 37Ignitor - Refer to FIGURE 22 and locate the ignitor. Disconnect the wire; remove the screw and the ignitor. C

Form I-LDAP, P/N 207733R6, Page 38 Flame Sensor10.1.5 Heat Section Venter Motor and Wheel Remove dirt and grease from the motor casing, the venter hou

Form I-LDAP, P/N 207733R6, Page 3910.1.7 Fan Motor(s), Fan Blades, and Guard(s)FIGURE 28 - Fan Blade Position on the ShaftRemo

Form I-LDAP, P/N 207733R6, Page 4Conned Space: A space whose volume is less than 50 cubic feet per 1000 BTUH of the installed appliance input rating

Form I-LDAP, P/N 207733R6, Page 4010.1.9. Combustion Air Pressure Switch(es)See FIGURE 22, page 35, for location of the heat sec-tion pressure s

Form I-LDAP, P/N 207733R6, Page 41The integrated circuit board monitors the operation of the heater and includes two LED signal lights that indicate n

Form I-LDAP, P/N 207733R6, Page 4210.2.1 General TroubleshootingPROBLEM PROBABLE CAUSE REMEDYVenter motor will not start 1. No power to unit. 1. Turn

Form I-LDAP, P/N 207733R6, Page 43IndexAAbnormal Heat Cycle Functions 30BBurner Removal 35Burner Service 35CCheck installation after Startup 33Che

Form I-LDAP, P/N 207733R6, Page 44www.RezSpec.com(800) 695-1901©2014 Reznor, LLC. All rights reserved. Trademark Note: Reznor® and TCORE2® are regis

Form I-LDAP, P/N 207733R6, Page 5Hazards of Chlorine 2.3 Heater Throw NOTES: • X = Distance from “0” to beginning of oor coverage.• Y = Distance fr

Form I-LDAP, P/N 207733R6, Page 63.0 Uncrating and PreparationIf the heater is being installed at an elevation above 2000 ft (610M), the input rate wi

Form I-LDAP, P/N 207733R6, Page 7Instructions for Changing Heat section Pressure Switch(es)NOTE: Do not change the main pressure switch located on top

Form I-LDAP, P/N 207733R6, Page 84.0 Clearances and Dimensions (cont’d)4.3 Dimensions - Models LDAP 800 and LDAP 1200FRONT VIEWBOTTOM VIEWRIGHT SIDE V

Form I-LDAP, P/N 207733R6, Page 9WARNINGS: Check the supporting structure to be used to verify that it has sufcient load carrying capacity to support