Dimplex DX -233-CB Скачать руководство пользователя

Страница: 7 / 14

REPLACEMENT PARTS

All replacements must be factory supplied to ensure safe heater operation.

Mark wires and refer to wiring diagram to ensure proper electrical connections.

Reference heater catalog number and item number in figures below when contacting factory for replacement parts. Contact factory for
items not shown.

ITEM DESCRIPTION

Heat Exchanger Core Assy.

Cabinet – Top

3 Fan

Venturi

4 Fan

Blade

5 Fan

Guard

6 Fan

Motor

Motor Support – Top

Motor Junction Box

Thermostat Support Bracket

10 Thermostat
11 Conduit

Tee

Disconnect Switch – Small

Large Disconnect Support Bkt.

14 Fan

Switch

ITEM DESCRIPTION

15 Conduit

Seal

Pilot Light – Bottom

Pilot Light – Top

Cabinet – Left Side

High Limit Cutout

20 Cabinet

–

Bottom

Cabinet - Louver

Cabinet – Right Side

High Limit Barrier

High Limit Mounting Bridge

Heater Enclosure Cover

Motor Support – Side

¾” Conduit Pull Elbow

28 Reducer

Bushing

Page 7 of 25

Содержание DX -233-CB

Страница 1: ... Operating Temperature Code T3C 320 F 160 C or Class I Divisions 1 2 Groups C D Class II Divisions 1 2 Groups E F G Operating Temperature Code T3C 320ºF 160ºC See Data Plate for Specific Area Classification For details on the particular hazardous environments having the potential for explosion refer to Articles 500 through 516 of the National Electric Code and or Section 18 of the Canadian Electri...

Страница 2: ... only be done by qualified personnel familiar with the requirements of maintaining electrical equipment in hazardous locations 10 Replacement electrical components must be obtained from the factory in order to maintain the hazardous location rating 11 The heat exchanger is a factory vacuum sealed unit Do not attempt to loosen or tighten any of the fill or drain plugs or attempt to operate the pres...

Страница 3: ...ort the heater and be sufficient to keep the heater in its proper upright operating position The maximum unit weights are MODEL lbs kgs DX 233 CA 150 68 DX 233 CB 200 91 DX 233 CC 250 114 4 See figure below for minimum installation clearances 5 The heater may be suspended from overhead beams or mounted to a side wall or a 4 pipe using one of the approved mounting kits Use of non approved mounting ...

Страница 4: ...n explosion proof type rated for the area classification open on temperature rise rated 250VAC 75VA inductive capacity 3 Fan Only Switch Refer to the electrical wiring diagram and follow these steps a Do not attempt to install a Fan Only switch on a standard unit heater and do not try to field modify a standard unit heater for this option The heater must have been ordered for this option to have t...

Страница 5: ...ver joints to prevent an explosion Do not attempt to install gasket material of any type at these joints A light coating of anti seize compound is applied to the threads to prevent seizing 3 Annually check the tightness of all visible bolts and nuts in particular the support structure bolts and nuts Similarly check the motor mounting bolts and nuts 4 Periodically check the motor fan and heater cor...

Страница 6: ...nd fan should come on and in 5 to 15 minutes reach a stable operating temperature 7 Check out and report any unusual or questionable operating characteristics such as noise vibration loss of fluid etc 8 If heater operation appears normal place the unit into normal operation D Replacing the Fan Motor and Blade The fan motor is permanently lubricated and does not require any maintenance If the fan m...

Страница 7: ...y 2 Cabinet Top 3 Fan Venturi 4 Fan Blade 5 Fan Guard 6 Fan Motor 7 Motor Support Top 8 Motor Junction Box 9 Thermostat Support Bracket 10 Thermostat 11 Conduit Tee 12 Disconnect Switch Small 13 Large Disconnect Support Bkt 14 Fan Switch ITEM DESCRIPTION 15 Conduit Seal 16 Pilot Light Bottom 17 Pilot Light Top 18 Cabinet Left Side 19 High Limit Cutout 20 Cabinet Bottom 21 Cabinet Louver 22 Cabinet...

Страница 8: ... Cover 61 Auxiliary Contact 62 Ground Lug 63 Transformer 64 Main Contactor 65 Transformer Fuse Fuse Block 66 Main Mounting Bridge ITEM DESCRIPTION 50 Wiring Enclosure and Cover 51 Main Contactor 52 Ground Lug 53 Transformer 54 Auxiliary Contact 55 Main Mounting Bridge FIGURE 4 ITEM DESCRIPTION 70 Switch Enclosure and Cover 71 Disconnect Switch 72 Disconnect Switch Track Dimplex North America Limit...

Страница 9: ...mental instructions to assist with the replacement of the heater core Refer to owner s manual for detailed installation operation and maintenance instructions as well as cautions regarding installation and operation of explosion proof equipment 1 Remove the cabinet top and 2 heat exchanger mounting bolts on the right side 7211430100R00 ...

Страница 10: ...onto its side and remove cabinet bottom heater enclosure cover and the wiring enclosure cover Also remove single heat exchanger mounting bolt on left side Wiring Enclosure Heater Enclosure Heat Exchanger Mounting Bolt ...

Страница 11: ...g for the thermal cutout Loosen locknut from conduit entering enclosure Heater Wiring Grommet locknut 4 Thread conduit into wiring enclosure to disengage heater enclosure If unit has conduit union loosen union and thread conduit into wiring enclosure Conduit Union ...

Страница 12: ...5 Slide heat exchanger out of the bottom of the cabinet ...

Страница 13: ...6 Locate tag on heat exchanger and verify replacement core matches original ...

Страница 14: ...closure mounting bolts if you are having difficulty Tighten locknut inside wiring enclosure and make sure grommet is in place 4 Reconnect heater and thermal cutout control wires Heater wires labeled T1 T2 and T3 T1 T2 only for single phase will be connected to the corresponding terminals on the contactor Control wiring attached to contactor as shown and wire nut from which original was removed See...

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