Nordyne E2EB 010H Скачать руководство пользователя страница 15 | Manualshive

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15 E2 Service Manual

Figure 17. E2EH 015, 017 Wiring Diagram

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Содержание E2EB 010H

Страница 1: ...E2 Series Electric Furnaces Service Manual ...

Страница 2: ......

Страница 3: ...Model Identification Code 4 Serial Number Identification Code 4 Selecting Blower Speeds 11 Blower Performance 12 Changing Blower Speeds 11 Service Diagrams 21 4 7 Wire Relay Box for H P E2EB 020 and 023 Units 23 2 Wire Relay Box for A C E2EH 020 and 023 Units 21 4 7 Wire Relay Box for H P E2EH 020 and 023 Units 22 Thermostat Sequence of Operation 12 Wiring Diagrams 13 E2EB 010 17 E2EB 012 18 E2EB ...

Страница 4: ...tratedatlistedvoltage Foroutputsatvoltagesotherthan240V multiplyBtuhratingbythefollowingfactors x0 92 230V x0 84 220V x0 75 208V 2 Height is 56 with return air grille installed 58 with coil cabinet and 72 with coil cabinet and upflow stand 3 The factory installed blower for the EH models can be replaced with a multi speed blower allowing the units to accept up to 4 or 5 tons of air conditioning or...

Страница 5: ...1 element and the blowermotor Astheheatercontinuestobuildupheat the bi metal closes the remaining circuits to other elements until all elements are on The off cycle is reverse of the on cycle the blower and no 1 element are first on and the last to be de energized Table 2 Optional Air Conditioning and Heat Pump Equipment Item Number See Fig 1 Description 1 4 Speed Blower 4 Ton See Notes 1 5 5 Ton ...

Страница 6: ...be 70 to 90 ohms of resistance If the meter reads no continuity the bi metal heater is open and must be replaced The OHMS value should be 70 to 90 across the bi metal Figure 2 Sequencer c With an ohmeter check all switches in the sequencer They are labled M1 M2 M3 M4 refertoFigure2 Alloftheswitchesshould be open and have no continuity 2 With all power on to furnace and thermostat contacts closed u...

Страница 7: ...e replaced Caution Heating elements must always be replaced byanidenticalkWreplacement Substitutionbyhigher kW s or elements of a different design may result in unsafe operation of the furnace Lower kW rated elements will reduce output and may result in unsatisfactory operation of the appliance Refer to element rating labels and furnace wiring diagrams Refer to unit wiring diagram section for wiri...

Страница 8: ...metal disc to open a set of normally closed contacts The limit device is a safety which can be compared to a fuse or a breaker in a electrical circuit The function of the limit switch is to open the electrical circuit to the heating elements if over heating should occur This could be caused by air circulator failure dirty filters lackofreturnair restrictedducts etc Alllimitswitches used are of the...

Страница 9: ...eiscontinuity the motor is grounded and should be replaced 4 Using the ohmmeter check the resistance across the motor leads See diagrams below Note the higher the speed the lower the resistance of the motor winding Figure 11 Blower Figure 9 Fan Switch Shematic Figure 12 Motor Schematic Checking the Air Circulator Selector Switch Tochecktheaircirculatorswitchshutofallpowertothe furnace Remove wires...

Страница 10: ...onnecting Supply Service Wires 1 Remove right hand control panel when viewing in downflow position 2 Locate power supply hole plugs in side of unit and in bottom of unit Remove appropriate plug s or knockoutopeningapplicabletorecommendedwire size s 3 Install listed cable connector s in opening s If metal sheathedconduitisusedforincomingpower line s provideanapprovedmetalclamponconduit and secure i...

Страница 11: ...yorpropertydamage make certain that the motor leads cannot come into contact with non insulated metal components of the unit See Table 4 for the lowest speed approved for the heating output of the unit Since the blower leads connect to the controlbox blowerspeedselectionisaccomplishedthrough use of the proper color coded blower lead located inside the controlbox Thespeed s setbythefactorymaybediff...

Страница 12: ...nd set ventilate switch to AUTO Cooling system and air circulator blower should turn on 3 Check air temperature at supply duct registers 4 Move temperature setting lever until left hand cooling contacts open Cooling system and air circulator blower should turn off 5 Replace thermostat cover For Continuous Air Circulation and Ventilation NOTE ForCM65 seefurnaceowner smanualonindepen dent blower ope...

Страница 13: ...13 E2 Service Manual Figure 15 E2EH 010 Wiring Diagram ...

Страница 14: ...14 E2 Service Manual Figure 16 E2EH 012 Wiring Diagram ...

Страница 15: ...15 E2 Service Manual Figure 17 E2EH 015 017 Wiring Diagram ...

Страница 16: ...16 E2 Service Manual Figure 18 E2EH 020 023 Wiring Diagram ...

Страница 17: ...17 E2 Service Manual Figure 19 E2EB 010 Wiring Diagrams ...

Страница 18: ...18 E2 Service Manual Figure 20 E2EB 012 Wiring Diagram ...

Страница 19: ...19 E2 Service Manual Figure 21 E2EB 015 017 Wiring Diagram ...

Страница 20: ...20 E2 Service Manual Figure 22 E2EB 020 023 Wiring Diagram ...

Страница 21: ...21 E2 Service Manual Figure 23 Two Wire Relay Box for A C E2EH 020 and 023 Units ...

Страница 22: ...22 E2 Service Manual Figure 24 4 7 Wire Relay Box for H P E2EH 020 and 023 Units ...

Страница 23: ...23 E2 Service Manual Figure 25 4 7 Wire Relay Box for H P E2EB 020 and 023 Units Part 1 ...

Страница 24: ...24 E2 Service Manual Figure 26 4 7 Wire Relay Box for H P E2EB 020 and 023 Units Part 2 ...

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Страница 26: ...______________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _________________________________...

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Страница 28: ...St Louis MO 359A 1097 Specifications and illustrations subject to change without notice and without incurring obligations Printed in U S A 10 97 R R ...

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