Calculating Melter Power Requirements
A-2
Part 1073401_07
E 2021 Nordson Corporation
To evaluate the hose/applicator power requirements
1. Identify all hose/applicator pairs based on the hose/applicator receptacle
to which they are connected.
2. Examine the identification tag or plate on each hose and applicator and
record the wattage of each in Column A of Table A‐1. Enter a zero for any
hose or applicator that is not installed.
3. Add the wattages of each hose/applicator pair and place the sum in
Column B of Table A‐1.
4. Add the wattages of hose/applicator pairs 1 and 2 and place the sum in
Column C of Table A‐1.
5. Compare each of the wattages tabulated in Columns A, B, and C of Table
A‐1 with the associated maximum allowable wattages in TableA‐2 for
240 VAC melters or Table A‐3 for 120 VAC melters.
6. Do one of the following:
S If each of the wattages calculated in step 5 do not exceed the
associated maximum allowable wattages listed in Tables A‐2 and
A‐3, then the power required by the hoses and applicators is within
acceptable limits.
S If any of the wattages calculated in step 5 does exceed an associated
maximum allowable wattage listed in Tables A‐2 and A‐3, then the
configuration or position of the hose/applicator pairs must be
rearranged, shorter hoses must be used, or lower power applicators
must be used in order to reduce the power requirement.
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