Mac Medical DWC24-TL User Manual

1
INSTALLATION INSTRUCTIONS: Replacing a Standard Warmer
Header (DWC24-TL) with a Data Log Header (DWC24-TL-D)
IFU - 033 Rev.A
02/23/2015
A: Removing Standard Warmer Cabinet Header
(p/n: DWC24-TL)
The Standard Warmer Header for a DWC24-TL
Dual Warmer Cabinet can be easily replaced
with a DWC24-TD-D Warmer Cabinet Header
with a Data Logger option.
1. Disconnect all electrical power to the Warming
Cabinet by removing the power cord from the
electrical supply. If the unit is hard-wired to
facility power, turn OFF the circuit breaker.
CAUTION: Failure to remove the power cord from
the electrical supply can result in severe
electrical shock and even death to
personnel as well as severe damage to
the equipment.
2. The Outside and Inside Top Panels must be
removed first. See Figure 1.
3. Remove four 8 X 1-5/8” self-tapping screws
from Outside Top Panel. Remove Outside
Top Panel and set aside. See Figure 1.
4. Remove two 8 X 1/2” self-tapping screws from
Inside Top Panel. Remove Inside Top Panel
and set aside. See Figure 1.
The Standard Warmer Header for a DWC24-TL
Dual Warmer Cabinet can be removed from a
standard dual warming cabinet without removing
the Upper Drawer Assembly (p/n: W0288).
1. There is no specific order in removing all
wiring to the Header, just specific steps that
allows the wiring to pass safely through the
electrical box.
2. Loosen two screws on the 3/8” straight-
through electrical connector mounted on the
back side of the Warmer Cabinet Electrical
Box (just behind the Header). See Figure 2.
3. Use a Pin Extraction Tool (for 16AWG wire) to
remove the wire leads from the 9-/5-Connector
Circuit Plugs. See Figure 3.
CAUTION: Use ONLY a Pin Extraction Tool
designed for the specific wire size
REF P/N DESCRIPTION
QTY
1 SMW0027 Outside Top Panel 1
2 SMW0028 Inside Top Panel 1
3 H0012-01 Screw, Self-Tapping, 8 X 1/2” 2
4 H0012-02 Screw, Self-Tapping, 8 X 1-5/8” 4
Figure 1: Removing Inside and Outside Top Panel
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2
3
4
REF P/N DESCRIPTION
QTY
1 W0199 Connector, 9 Circuit Plug 1
2 W0198 Connector, 5 Circuit Plug 1
3 SMW0032 Cover, Electrical Box 1
4 W0140 Connector, 3/8” Straight 1
REF P/N DESCRIPTION
QTY
1 16AWG Tool, Pin Extraction 1
2 W0198 Connector, 5 Circuit Plug 1
3 16AWG Wire, Crimped Terminal End 1
Figure 2: Loosening Wire Connector on Electrical Box
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3
4
Figure 3: Removing Wires from Circuit Plug
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2
3

Mac Medical DWC24-TL Specifications

General

Brand	Mac Medical
Model	DWC24-TL
Category	Food Warmer
Language	English

Summary

Removing Standard Warmer Cabinet Header

Electrical Safety and Disconnection

Ensure all electrical power is disconnected and follow caution for safe operation.

Top Panel Removal

Remove the outside and inside top panels as illustrated in Figure 1.

Wire and Connector Disconnection

Loosen electrical connectors and remove wire leads from circuit plugs.

Disconnecting Thermocouple and Alarm Wires

Molded Power Connector Handling

Handle molded power connectors carefully, taping sets to prevent misconnection.

Thermocouple Connector Removal

Disconnect female thermocouple receptacles by removing wires before header removal.

Alarm Buzzer and Terminal Block Wires

Disconnect the Over Temperature Alarm Buzzer lead and power leads to the terminal block.

Removing Existing Cabinet Header

Wiring Terminal Block Disconnection

Disconnect wires from the terminal block, noting wire colors for reconnection.

Header Removal

Remove the four serrated flange head bolts and pull the header away from the cabinet.

Installing USB Data Log Header

Feed New Header Wiring

Feed new USB header wiring through cabinet openings and secure with bolts.

Connect Over Temperature Alarm Buzzer

Connect the lower lead for the Over Temperature Alarm Buzzer to the unit.

Reconnect Molded Connectors

Insert barbed connector wires into molded plugs, ensuring wire colors match.

Connecting Thermocouple and Power Bundle Wires

Upper and Lower Cabinet Connector Reconnection

Reconnect upper and lower cabinet connectors and thermocouple connectors.

Power Bundle Wire Separation

Separate power bundle wires into upper and lower cabinet groups and secure with ties.

Re-install Top Covers

Inside Top Panel Installation

Install the inside top panel using two 8 X 1/2" screws.

Outside Top Panel Installation

Secure the outside top panel to the cabinet with four 8 X 1-5/8" self-tapping screws.