A.O. Smith dre-120 Instructions Manual - Conversion Guidelines
3
CONVERSION GUIDELINES
Be sure to read and understand the conversion limitations and instructions prior to conversion.
1. No addition or substraction of heating elements are allowed in the conversion process;
2. Conversion kits are designed for specific voltage with Delta configuration, no other configuration or voltage is
allowed;
3. Refer to “Branch Circuit Section” in User’s Manual for electrical specifications;
4. Check all water and electrical connections for tightness after conversion.
TO USE THE TABLE:
1. Find the element number of the heater that you wish to convert.
2. Find the total kilowattage under “Desired Input” column, then move across the Table on same line to voltage
desired. The kit number required for the conversion will be the one where the desired KW row intersects the voltage
column.
3. Order the appropriate kit number.
4. Follow the conversion instructions detailed on pages 9 through 13 to complete conversion.
5. Fill out the check list on Page 12 after completing the unit conversion.
CONVERSION KIT NUMBER TABLE
Models Allowed
For Conversion
Desired Input
Conversion Kit No. At Desired Voltage
Total kW Element kW
208V
240V
277V
480V
DVE/DRE
52,80,120
with
3 Elements
6
2
9005587105
9005600105
9005615105
9005621105
9
3
9005588105
9005601105 9005616105** 9005622105
12
4
9005589105
9005602105
9005617105
9005623105
13.5
4.5
9005585105
9005597105 9005612105** 9005618105
15
5
9005586105
9005598105 9005613105** 9005619105
18
6
N/A
9005599105
9005614105
9005620105
DVE/DRE
52, 80, 120
with
6 Elements
18
3
9005592105
9005606105 9005627105** 9005632105
24
4
9005593105
9005607105
9005628105
9005633105
27
4.5
9005590105
9005603105 9005624105** 9005629105
30
5
9005591105
9005604105 9005625105** 9005630105
36
6
N/A
9005605105
9005626105
9005631105
DRE 80, 120
DVE 52, 80, 120
with
9 Elements
36
4
9005596105
9005611105
9005637105
9005641105
40.5
4.5
9005594105
9005608105 9005634105** 9005638105
45
5
9005595105
9005609105 9005635105** 9005639105
54
6
N/A
9005610105
9005636105
9005640105
* No conversion kits available for 50 gallon capacity 9 element models equipped with surface-mounted thermostat.
** Indicates the conversion kit with Incoloy Elements.