Chapter 5: startup and operation – AEC TCU Series Open Reservoir Water Temperature Control Units User Manual
Page 34
Open Resevoir Water Temperature Control Units
Page 35
Chapter 5: Startup and Operation
5-1 Introduction
The checklist below outlines start-up procedures for TCU Series water temperature
control units. This list assumes that installation information located in this manual has
been read and followed.
5-2 Startup Checklist
þ
Check the shipping papers against the serial tag to make sure that system
size, type, and voltage is correct for the process under control.
þ
Check the transformer primary voltage connections to be sure they are
configured for the electrical power you are using. The voltage at the main
power connection must be within plus or minus ten percent (±10%) of the
voltage listed on the serial tag. Electrical connections must conform to all
applicable codes. Make sure that a qualified electrician checks all
electrical connections.
þ
The safety thermostat is preset at the factory to 180ºF (82ºC). It trips at
195ºF (91ºC).
þ
The relief valve should be piped to an open, unrestricted drain.
þ
TO PROCESS
,
FROM PROCESS
,
WATER IN
,
WATER OUT
, and
MOLD
PURGE
connections should be complete.
Only use components rated at a minimum of
150 psig and 180ºF (1,034.25 kPa/10.34 bars and 82ºC).
þ
All outer panels must be in place.
þ
All external process valving should be set for proper operation of the unit.
þ
Connect the main power to the unit disconnect switch, and press the
START
switch to check for proper pump rotation direction as described in
Section 5-6 on Page 43. Pump rotation should be clockwise, viewed from
the motor end.
þ
Check your work and proceed to the
Startup Procedure
section on the
following page.