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Bock Water heaters
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LCE50-2
Instruction Manual
15 pgs1.81 Mb0

Bock Water heaters LCE6-1, LCE12-1, LCE20-1, LCE20-2, LCE30-2 Instruction Manual

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CONVERSION KIT INSTRUCTION MANUAL
COMMERCIAL ELECTRIC WATER HEATER
Models: LCE6-1, LCE12-1, LCE20-1, LCE20-2, LCE30-2, LCE40-2, LCE50-2
in accordance with the manufacturer’s instructions and all
applicable codes and requirements of the authority having
jurisdiction. The information in these instructions must be followed to minimize the risk of fire or explosion or to prevent property damage, personal injury or death. The qualified service agency is responsible for the proper installation of this kit. The installation is not proper and complete until the operation of the
converted appliance is checked as specified in the manufacturer’s
Table of Contents
1.0 General Information ............................................................................................................1
2.0 Required Materials ..............................................................................................................1
3.0 Approved Conversion Kits .................................................................................................2
3.1 Single Element Models ...........................................................................................2
3.2 Dual Element Models 120/277V ............................................................................3
3.3 Dual Element Models 208/240/480V .....................................................................4
4.0 Conversion Instructions ......................................................................................................5
4.1 Voltage or Wattage Conversion ..............................................................................6
4.2 Phase Conversion ....................................................................................................8
4.3 Operating Mode Conversion ...................................................................................8
4.4 Replace Components ..............................................................................................9
4.5 Labeling ..................................................................................................................9
4.6 Close the Box ........................................................................................................11
Appendix A – Approved Element Ratings ..............................................................................12
Appendix B – Wiring Diagrams ..............................................................................................13
- 1 -
1.0 General Information
Installation of this conversion kit must be performed by a qualified service agency. A qualified service agency is any individual, firm, corporation or company which either in person or through a representative is engaged in and is responsible for the connection, utilization, repair or servicing of electric equipment or accessories; who is experienced in such work, familiar with all precautions required, and has complied with all the requirements of the authority having jurisdiction.
This kit is for the conversion of wattage, voltage, phase, and element operating mode (from non­simultaneous to simultaneous) on your Bock water heater. Wattage and voltage conversion is achieved by changing the elements. Wiring jumpers are supplied to convert the phase or element operating mode.
Before beginning, verify that the water heater model to be converted is compatible with the conversion kit. If the kit number is not compatible with the model to be converted, contact your local sales representative or Bock Waters Heaters to obtain the correct kit.
Proper conversion of the Bock water heater must include the following, 1) replacement of original elements with conversion elements and/or addition of wiring jumpers, 2) application of new labels and identification of new ratings, and 3) resealing the box.
2.0 Required Materials
• Conversion Kit – matches specifications for heater required and is compatible with model to be
converted
• Socket (1-1/2” deep well) and ratchet
• Phillips (#2) screwdriver
• Filament packaging tape
The total number of heating elements in the water heater must be the same before and after the conversion. Any other configuration could result in unsafe conditions at the water heater.
Failure to maintain the total number of elements is not approved by Bock Water
Heaters, Inc. or Underwriters Laboratories, Inc.
- 2 -
3.0 Approved Conversion Kits
3.1 Single Element Models
The conversion kits in this section only apply to models LCE6-1, LCE12-1, and LCE20-1. In the table below, use the voltage and wattage for the required water heater to select the proper conversion kit number.
***Original Heater***
Models 6-20, Single Element, 1-Phase, 120/208/240/277/480 Volt
***Required Heater***
Models 6-20, Single Element, 1-Phase, see below for Voltage and Wattage
Voltage
Element Input (kW)
Total Input (kW)
Kit Part Number
120
1.5
1.5
26100
120
2.0
2.0
26102
120
2.5
2.5
26104
120
3.0
3.0
26106
208
1.5
1.5
26108
208
2.0
2.0
26110
208
2.5
2.5
26112
208
3.0
3.0
26114
208
4.0
4.0
26118
208
4.5
4.5
26120
208
5.0
5.0
26122
208
5.5
5.5
26124
208
6.0
6.0
26126
240
1.5
1.5
26128
240
2.0
2.0
26130
240
2.5
2.5
26132
240
3.0
3.0
26134
240
3.5
3.5
26136
240
4.0
4.0
26138
240
4.5
4.5
26140
240
5.0
5.0
26142
240
5.5
5.5
26144
240
6.0
6.0
26146
277
1.5
1.5
26148
277
2.0
2.0
26150
277
2.5
2.5
26152
277
3.0
3.0
26154
277
4.0
4.0
26156
277
4.5
4.5
26158
277
6.0
6.0
26160
480
2.5
2.5
26162
480
3.0
3.0
26164
480
4.0
4.0
26166
480
4.5
4.5
26168
480
5.5
5.5
26170
480
6.0
6.0
26172
- 3 -
3.2 Dual Element Models – 120/277 V
The conversion kits in this section apply to models LCE20-2, LCE30-2, LCE40-2, and LCE50-2 that were built for 120 V or 277 V supply voltage. In the table below, use the voltage and wattage for the required water heater to select the proper conversion kit number.
***Original Heater***
Models 20-50, Dual Element, 1-Phase, 120/277 Volt, Non-Simultaneous
***Required Heater***
Models 20-50, Dual Element, 1-Phase or 3-Phase, Non-Simultaneous or Simultaneous
>>> See below for Voltage and Wattage <<<
Voltage
Element Input (kW)
Total Input (kW)
Kit Part Number
Non-Simultaneous
Simultaneous
120
1.5
1.5
3.0
26174
120
2.0
2.0
4.0
26176
120
2.5
2.5
*
26178
120
3.0
3.0
*
26180
208
1.5
1.5
3.0
26182
208
2.0
2.0
4.0
26184
208
2.5
2.5
5.0
26186
208
3.0
3.0
6.0
26188
208
4.0
4.0
8.0
26192
208
4.5
4.5
9.0 #
26194
208
5.0
5.0
*
26196
208
5.5
5.5
*
26198
208
6.0
6.0
*
26200
240
1.5
1.5
3.0
26202
240
2.0
2.0
4.0
26204
240
2.5
2.5
5.0
26206
240
3.0
3.0
6.0
26208
240
3.5
3.5
7.0
26210
240
4.0
4.0
8.0
26212
240
4.5
4.5
9.0
26214
240
5.0
5.0
10.0 #
26216
240
5.5
5.5
11.0 #
26218
240
6.0
6.0
*
26220
277
1.5
1.5
3.0
26222
277
2.0
2.0
4.0
26224
277
2.5
2.5
5.0
26226
277
3.0
3.0
6.0
26228
277
4.0
4.0
8.0
26230
277
4.5
4.5
7.0
26232
277
6.0
6.0
*
26234
480
2.5
2.5
5.0
26236
480
3.0
3.0
6.0
26238
480
4.0
4.0
8.0
26240
480
4.5
4.5
9.0
26242
480
5.5
5.5
11.0
26244
480
6.0
6.0
12.0
26246
* NOT AVAILABLE # THREE PHASE ONLY
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