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Chapter 5: startup and operation – AEC TCU Series Open Reservoir Water Temperature Control Units User Manual

Page 34

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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.