Nordson NH-4, Руководство пользователя по изделию

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NH-4 Fluid Heaters
13
Part 1602369-03
E
2020 Nordson Corporation
Operation
WARNING: Allow only qualified personnel to perform the following tasks.
Follow the safety instructions in this document and all other related
documentation.
WARNING: This equipment can be dangerous unless it is used in
accordance with the rules laid down in this manual.
This section covers safety precautions, and single and multiple heater
operation procedures for the NH-4 heater. When a procedure is only
applicable to a particular model it is identified with a code. Refer to the
Description section for an explanation of these codes.
Safety Precautions
Observe the following safety precautions when operating a system with a
heater.
WARNING: Make sure all equipment in the spray area is properly
grounded. Periodically check grounds. Sparks, which can result in poor
grounds, can cause fires or explosions.
WARNING: Inspect and maintain fire detection systems and interlocks
daily.
Refer to the Safety section for additional safety precautions.
Startup
WARNING: Do not operate the heater until the fluid system is fully
pressurized and circulating. Failure to observe this warning can cause
damage to the heat limiter or heater.
1. Make sure that the heater is securely connected to a true earth ground.
2. Tighten all heater fittings securely before starting the pump.
3. Start the pump. Refer to the applicable pump manual for starting
procedures.
4. Adjust the pump to 8 − 10 strokes per minute. Refer to the applicable
pump manual for adjusting procedures.
WARNING: Before applying power to the heater, make sure all conductive
objects in the spray area are properly grounded. Electrical sparks
discharged from ungrounded conductive objects may start fires or cause
explosions.
5. Apply power to the heater.
6. Allow the fluid temperature to stabilize.