Merco EZLFW-12 Service Manual
IMPORTANT
PARTS & SERVICE MANUAL for Overhead Food Warmers
Models FW & NW Series
INSTALLATION REQUIREMENTS
FW Series:
Do not install closer to ceiling than ¼ inch (0.25”). Do not install closer to a wall than 1-inch
(1.0”) at ends and 3 inches (3.0”) at sides. Minimum spacing between two or more units is 8
inches (8.0”) at sides. Do not install over combustible materials at a height of less than 12
inches (12.0”). For electrical supply connections use wire suitable for 90°C (200°F). Use
ceramic wire connectors (plastic wire connectors and/or plastic tape IS NOT to be used).
NW Series:
Do not install closer to a ceiling than 2 ¼ inches (2.25”). Do not install closer to a wall than 1inch (1.0”) at each end and 3 inches (3.0”) at sides. Minimum spacing between two or more
units is 8 inches (8.0”) at sides. Do not install over combustible material at a height of less than
12 inches (12.0”). For electrical supply connections use wire suitable for 90°C (200°F). Use
ceramic wire connectors (plastic wire connectors and/or plastic tape IS NOT to be used).
THIS MANUAL SHOULD BE RETAINED FOR FUTURE USE.
FWNWserviceman REV: 11/6/06
OVERHEAD FOOD WARMER MODEL IDENTIFICATION
1. Unit provided with high watt elements:
YES - Include prefix “HW”
NO - NO “HW” prefix
2. Heating elements mounted in sockets:
YES - Include prefix “EZ”
NO - NO “EZ” prefix
3. Illumination lamps and sockets provided with elements:
YES - Include prefix “L”
NO - NO “L” prefix
4. Width of unit:
5” - Include prefix “NW-“
8” - Include prefix “FW-“
5. Unit length rounded to the nearest 6-inch increment equals the model suffix designation.
6. If all of the following exist, add suffix “X” to the model designation.
a. Units made after Jan. 1, 1992.
b. Overall length of unit, in inches (+/- 1/8”) equals the model designation (item 5 above).
c. The field-wiring junction is integrated into the end of the unit (units without the “X” designation use a separate
junction box for field wiring).
NOTE:
• Items 4 and 5 are provided on all Overhead Food Warmers.
• Items 1, 2 & 3 are all options that may or may not have been included with the equipment.
• Item 6 designates the newer style. All applicable prefix and suffix designations must be included to insure proper
identification of replacement parts.
• Item 6 section a: The serial number on Merco is also a date code, i.e.: 940512-12 would designate a manufacture
date of May 12, 1994 and the 12th unit of the day. The first two digits of “00” constitutes year 2000, first two digits
of “01” constitutes year 2001 and so on.
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FW & NW Series Service Manual
DIMENSIONS:
(inches/cm)
Model # 120V
EZFW-18X 4.6 2.6 2.3 550 18/45.7 7/3.2 8/3.6 0.5/0.01
EZFW-24X 5.7 3.3 2.8 680 24/61 8/3.6 9/4.1 0.5/0.01
EZFW-30X 6.3 3.6 3.1 750 30/76.2 9/4.1 10/4.5 0.75/0.02
EZFW-36X 6.9 4.0 3.4 825 36/91.4 10/4.5 11/5 0.75/0.02
EZFW-48X 9.2 5.3 4.6 1100 48/121.9 11.5/5.2 13/5.9 1/0.03
EZFW-54X 11.9 6.9 6.0 1430 54/137.2 13.5/6.1 15/6.8 1/0.03
EZFW-60X 12.5 7.2 6.3 1500 60/152.4 15.5/7 17/7.7 1/0.03
EZFW-72X 13.8 7.9 6.9 1650 72/182.9 16.5/7.5 18/8.2 1/0.03
Model # 120V
FWM-18X 4.6 2.6 2.3 550 18/45.7 7/3.2 8/3.6 0.5/0.01
FWM-24X 5.7 3.3 2.8 680 24/61 8/3.6 9/4.1 0.5/0.01
FWM-30X 6.3 3.6 3.1 750 30/76.2 9/4.1 10/4.5 0.75/0.02
FWM-36X 6.9 4.0 3.4 825 36/91.4 10/4.5 11/5 0.75/0.02
FWM-48X 9.2 5.3 4.6 1100 48/121.9 11.5/5.2 13/5.9 1/0.03
FWM-54X 11.9 6.9 6.0 1430 54/137.2 13.5/6.1 15/6.8 1/0.03
FWM-60X 12.5 7.2 6.3 1500 60/152.4 15.5/7 17/7.7 1/0.03
FWM-72X 13.8 7.9 6.9 1650 72/182.9 16.5/7.5 18/8.2 1/0.03
FW & NW Series Service Manual
Voltage Amps
120 208V
Voltage Amps
120 208V
See Table for Length 8 / 20.3
120 240V Watts
120 240V Watts
Length
Inches / cm
Length
Inches / cm
Net Wt.
Lbs / kg
Net Wt.
Lbs / kg
Ship Wt
Lbs / kg
Ship Wt
Lbs / kg
Ship Size
Cu ft / cm
Ship Size
Cu ft / cm
3
To locate replacement elements for NW models, replace NW for FW in the chart above.
FW & NW REPLACEMENT PARTS
Cordset, 120V (18 through 72) – 050027
Cordset, 208 and 240V – 000308
Cordset, 120/208V and 120/240V – 072048
LFW or LNW units
Infinite Control, 120V w/term. – 050377
Infinite Control, 208V & 240V – 050378
Knob – 000320
Socket, Tube w/suffix “X” – 000672
Socket, w/o suffix “X” – 050026
Pilot Light, w/clip – 000274
On/Off Switch, 120V, 10A – 000716
On/Off Switch, 120V 20A – 000712
On/Off Switch, 208 & 240V – 000711
On/Off Switch, 120V (Non “X) – 000715
Socket, Appl. Lamp, Single – 050461
Socket, Appl. Lamp, Twin – 050463
Lamp, Appl. 120V* – 000370
Lamp, Appl. 208V & 240V – 000378
Wirenut, Ceramic (Hi-7) – 000466
*includes 120/208V and 120/240V units
FW & NW REPLACEMENT TUBE CHART
MODEL DESCRIPTION 120V 208V 240V MODEL DESCRIPTION 120V 208V 240V
FW-18 T-18, 550W 110004 110151 110217 EZFWM-18 EZTM-18, 550W 110666 N/A N/A
FW-24 T-24, 680W 110005 110152 110218 EZFWM-24 EZTM-24, 680W 110662 110790 110906
FW-30 T-30, 750W 110006 110153 110219 EZFWM-30 EZTM-30, 750W 110663 110791 110907
FW-36 T-36, 825W 110007 110154 110220 EZFWM-36 EZTM-36, 825W 110664 110792 110908
FW-42 T-42, 950W N/A N/A N/A EZFWM-42 EZTM-42, 950W N/A N/A N/A
FW-48 T-48, 1100W 110008 110155 110221 EZFWM-48 EZTM-48, 1100W 110665 110793 110909
FW-54 T-24, 680W 110005 110152 110218 EZFWM-54 EZTM-24, 680W 110662 110790 110906
T-30, 750W 110006 110153 110219 EZTM-30, 750W 110663 110791 110907
FW-60 T-30, 750W (2) 110006 110153 110219 EZFWM-60 EZTM-36, 825W-2 110663 110791 110907
FW-66 T-30, 750W 110006 110153 110219 EZFWM-66 EZTM-30, 750W 110663 110791 110907
T-36, 825W 110007 110154 110220 EZTM-36, 825W 110664 110792 110908
FW-72 T-36, 825W (2) 110007 110154 110220 EZFWM-72 EZTM-36, 825W-2 110664 110792 110908
FW-84 T-36, 825W 110007 110154 110220 EZFWM-84 EZTM-36, 825W 110664 110792 110908
T-48, 1100W 110008 110155 110221 EZTM-48, 1100W 110665 110793 110909
FW-96 T-48, 1100W (2) 110008 110155 110221 EZFWM-96 EZTM-48, 1100W-2 110665 110793 110909
EZFW-18 EZT-18, 550W 110649 110772 110892 EZFW-60 EZT-30, 750W (2) 110653 110776 110896
EZFW-24 EZT-24, 680W 110650 110773 110893 EZFW-66 EZT-30, 750W 110653 110776 110896
EZFW-30 EZT-30, 750W 110653 110776 110896 EZT-36, 825W 110655 110778 110898
EZFW-36 EZT-36, 825W 110655 110778 110898 EZFW-72 EZT-36, 825W (2) 110655 110778 110898
EZFW-42 EZT-42, 950W 110921 110922 110923 EZFW-84 EZT-36, 825W 110655 110778 110898
EZFW-48 EZT-48, 1100W 110657 110780 110900 EZT-48, 1100W 110657 110780 110900
EZFW-54 EZT-24, 680W 110650 110773 110893 EZFW-96 EZT-48, 1100W 110657 110780 110900
EZT-30, 750W 110653 110776 110896
HWEZFWM-24C
HWEZTM-24, 825W
Models with suffix “X” and/or prefix “L” use tubes identical to similarly identified models above.
For replacement tubes on models with prefix “HW” (except model HWEZFWM-24C) consult your Service Tube Chart.
110674 N/A 110910
Notes: 120/208V models use 208V tubes, 120/240V models use 240V tubes.
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FW & NW Series Service Manual
EZFW & EZNW
ITEM # DESCRIPTION PART # ITEM # DESCRIPTION PART #
1 EZ-X End Closed Left
2 EZ-X End Closed Right
3 Shell Call Factory
4 Switch
5 Junction Box
6 Pilot Light 000274
7 Infinite Control
8 Infinite Control Knob 000320
Not
088194 EZFW
088196 EZNW
088193 EZFW
088195 EZNW
000716 Tog. 120V
000711 Tog. 204V
See “Box, Junction”
in Price List
050377 – 120V
050378 – 280/240V
9 Reflector Call Factory
10 EZ-X Tandem End
11 EZ Socket
12 Tube Element See Tube Chart
13 Appliance Bulb
14 Appliance Socket
15 Guard Wire
16 Cover Plate
Shown
“Caution Hot” Sticker 000695
088209 EZFW
088210 EZNW
000672 w/Suffix “X”
050025 w/o Suffix “X”
000370 – 120V
000378 – 208/240V
050461 – Single
050463 – Twin
See Guard Assy. Kit
in Price List
088214 EZFW
088215 EZNW
FW & NW Series Service Manual
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FW & NW
ITEM # DESCRIPTION PART # ITEM # DESCRIPTION PART #
1 End Closed Left
2 End Closed Right
3 Shell Call Factory 11 Tube Element See Tube Chart
4 Switch
5 Junction Box
6 Pilot Light 000274
7 Infinite Control
8 Infinite Control Knob 000320
088186 FW
088184 NW
088187 FW
088152 NW
000716 Tog. 120V
000711 Tog. 204V
See “Box, Junction”
in Price List
050377 – 120V
050378 – 280/240V
Not
9 Reflector Call Factory
10 Tandem End
12 Appliance Bulb
13 Appliance Socket
14 Guard Wire
15 Cover Plate
Shown
088209 FW
088210 NW
000370 – 120V
000378 – 208/240V
050461 – Single
050463 – Twin
See Guard Assy. Kit
in Price List
088214 FW
088215 NW
“Caution Hot” Sticker 000695
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FW & NW Series Service Manual
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