WATLOW ELECTRIC MANUFACTURING COMPANY
Installation & Maintenance Manual for MULTICELL
TM
Heaters
I&M MANUAL No: 316-42-21-1
Page: 15
Date: 3/15/2017
Rev: 5.00
WATLOW ELECTRIC MANUFACTURING COMPANY - 6 INDUSTRIAL LOOP RD.
– HANNIBAL, MO 63401 - PHONE 573-221-2816
Original Instructions (English)
Start Up
The following sets forth instructions and requirements relating to the initial startup of the
Product(s).
WARNING
After restarting the system and enabling power to be applied to the heater in normal
operating mode, make sure that the system is being controlled properly before
leaving it to run unattended. Failure to do this could result in the heater overheating
in a “run away” condition that could lead to damage to equipment, fire or personal
injury.
CAUTION
Before energizing the heater the following items should have been checked with the
Main / Line voltage disconnected. Failure to do so could result in damage to the
heater when it is energized.
1. Electrical terminations are tight and wiring is per wiring diagram when
supplied with heater.
2. Care should be taken to ensure all mounting features are tight.
3. Proper disconnecting means and fusing have been installed
4. The voltage rating of the heater is the same as that being applied
5. Leg to Leg voltage is equal on 3 phase unit.
6. Megohm value of the heater element(s) are within acceptable limits
7. Proper temperature controls and safety limiting devices are in place with
proper set point
8. The heater is properly grounded.
9. For circulating type applications, assure that the correct gas flow has been
started and is being maintained over the heater bundle to ensure that heater
elements do not overheat and fail once the heater is energized.
10. Heater is properly installed in the platen holes.
