McElroy A227001 Instruction Sheet

2"- 4" heater rebuild kits

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2"- 4" Heater Rebuild Kits

Overview

This instruction sheet describes the steps necessary to rebuild the heating and control system of 2" – 4"
heaters. It will convert them from a thermoswitch to electronic controls located inside the handle with a knob
for setting the temperature and a heating indicator light.
This instruction sheet covers 4 kits (2" & 4" and 120 Volts & 240 Volts) for rebuilding the following 8 different
heaters.
Old
New
214901
214905
214902
214906
215501
215505
215502
215506
424308
424315
424309
424316
424304
424317
424305
424318

Heater Conversion Kits:

Contents of A227001 2" Heater Handle/Controller Rebuild Kit, 120V

Qty
Item
1
214701
1
8163114
1
8163112
1
MAH00036
2
MAH00055
1
227001
1
43800101
1
MJL00057

Contents of A227002 2" Heater Handle/Controller Rebuild Kit, 240V

Qty
Item
1
214701
1
8163107
1
8163113
1
MAH00036
2
MAH00055
1
227002
1
43800101
1
MJL00057
43800101
Instruction Sheet:
2mlmc Sidewall & Socket 100-120V Htr Assy
2mlmc Sidewall & Socket 200-240V Htr Assy
2mlmc Bp 100-120V, 50/60 Htr Assy
2mlmc Bp 200-240V, 50/60 Htr Assy
14mlmc Sidewall & Socket 100-120V htr Assy
14mlmc Sidewall & Socket 200-240V htr Assy
14pb Bp 100-120V, 50/60 Htr Assy
14pb Bp 200-240V, 50/60 Htr Assy
Description
Mlmc Htr Cover Plate Gasket
Model 215505 Part No Label
Model 214905 Part No Label
#6-32ncx3/8lg self tapping screw
1/4-20nc X 1"Lg SHCS SS
2" Heater Handle/Controller
Rebuild Assembly, 120V
Instruction Sheet (this paper)
# 7 (.201) Drill bit
Description
Mlmc Htr Cover Plate Gasket
Model 215506 Part No Label
Model 214906 Part No Label
#6-32ncx3/8lg self tapping screw
1/4-20nc X 1"Lg SHCS SS
2" Heater Handle/Controller
Rebuild Assembly, 240V
Instruction Sheet (this paper)
# 7 (.201) Drill bit
A227001, A227002, A438001, A438002
1
PH02749-12-04
PH02751-12-04
PH02751-12-04
06/16/21
REV. C

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Summary of Contents for McElroy A227001

  • Page 1 14pb Bp 100-120V, 50/60 Htr Assy 424305 424318 14pb Bp 200-240V, 50/60 Htr Assy PH02749-12-04 Heater Conversion Kits: Contents of A227001 2" Heater Handle/Controller Rebuild Kit, 120V Item Description 214701 Mlmc Htr Cover Plate Gasket 8163114 Model 215505 Part No Label...
  • Page 2 2"- 4" Heater Rebuild Kits A227001, A227002, A438001, A438002 Contents of A438001 4" Heater Handle/Controller Rebuild Kit, 120V Item Description 436301 Cover Plate Gasket 8163108 Model 424315 Part No Label 8163110 Model 424317 Part No Label MAH00036 #6-32ncx3/8lg self tapping screw MAH00055 1/4-20nc X 1"Lg SHCS SS...
  • Page 3 2"- 4" Heater Rebuild Kits A227001, A227002, A438001, A438002 Step 2 Unscrew the ground wire and discard the screw. Pull out both heater cartridges and the thermoswitch. If they are stuck use a 3/16" diameter x 5" long punch to knock them out from the bottom.
  • Page 4 2"- 4" Heater Rebuild Kits A227001, A227002, A438001, A438002 Step 4 Put the cartridge heaters and RTD through the slot in the gasket. Align the handle with the body so that the thermometer holes in the body, gasket and handle line up.
  • Page 5 TX02047-07-16-02 PH02346-07-02 Step 11 For parts information, refer to the assembly drawing listed on the heater handle part number label. The drawing can be viewed and printed via the Internet at McElroy Manufacturing Inc’s web site: www.mcelroy.com. TX02048-07-16-02 PH02748-12-04 43800101 06/16/21 REV.
  • Page 6 ADDED STEP 5 AND 8. EMPHASIZING GROUND CABLE INSTALLATION AND GROUND BOND TESTING. SRB/JBC 8/23/18 REVISED TO UPDATE SHEETS TO MEET CURRENT McELROY STANDARDS. MRH/BWJ 6/16/21 REVISED TO REPLACE MAH00052 WITH MAH00055 TO INCREASE THREAD ENGAGEMENT AND HELP PREVENT THREAD DEFORMATION.

This manual is also suitable for:

A227002A438001A438002

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