Vulcan-hart C24EA3 480V BASIC User Manual download pdf (Page 23)

MODEL C24EA - WATER LEVEL CONTROL COMPONENTS

F25213 (May 2006)Page 23 of 52

WATER LEVEL CONTROL

BOARD

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE

MACHINE AND FOLLOW LOCKOUT /

TAGOUT PROCEDURES.

CAUTION: Certain components in this system

are subject to damage by electrostatic discharge

during field repairs. A field service grounding kit

is available to prevent damage. The field service

grounding kit must be used anytime the control

board is handled.

1. Remove RIGHT SIDE PANEL as outlined under

COVERS AND PANELS.

2. Squeeze tab on plastic standoff to release

circuit board from standoff. Water level control

board is secured with pins in five locations.

3. Note electrical wiring connection points then

disconnect lead wires from water level control

board (WLC). Refer to the machine wiring

diagram when installing water level control

board.

4. Reassemble parts and wiring removed in

reverse order of removal.

5. Check steamer for proper operation.

WATER LEVEL PROBES

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE

MACHINE AND FOLLOW LOCKOUT /

TAGOUT PROCEDURES.

1. Remove RIGHT SIDE PANEL and TOP

COVER as outlined under COVERS AND

PANELS.

2. Note locations of electrical wiring and

disconnect lead wires to water level probes.

WATER LEVEL PROBE ELECTRICAL

CONNECTIONS

Water Level

Controller

Wiring Water Level

Probe

H # 5 A - Blue

HL - High Level

Probe

L # 6 B - Yellow

LL - Low Level

Probe

LLCO # 7 C - Red

LLCO - Low

Level Cut Off

G # 8 - Green Ground

A. Disconnect ground wire.

3. Remove probe assembly from piping assembly.

NOTE: Probes should be cleaned thoroughly.

Remove all accumulated deposits from insulator

using a soft cloth. Do not

use anything abrasive on

insulators. If probes are dirty, delime steam

generator tank after assembling.

NOTE: Apply Loctite 565 to threads of probe

assembly before installation.

4. Reverse procedure to install.

A. Set spacing between probe assembly

flange and reducing Tee between 0.490" to

0.550".

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