Frymaster McDonald's UHC-HD Maintenance Manual

Brand: Frymaster

Model: McDonald's UHC-HD

Type: Maintenance Manual

Frymaster McDonald's UHC-HD is a high-density universal holding cabinet designed to maintain the optimal temperature of food products. It features a digital temperature display for precise control, adjustable humidity levels to prevent food from drying out, and a variety of holding modes to accommodate different types of food. The UHC-HD is also equipped with a built-in USB port for easy data logging and a self-cleaning mode for convenient maintenance.

©McDonald’s Corporation · Planned Maintenance Manual · Revised 01/2019

Hazards

These icons alert you to a possible risk of person

al injury.

Equipment alerts

Look for this icon to find information about how to avoid damaging the

equipment while doing a procedure.

Tips

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ps about how to do a procedure.

PREP EQUIPMENT

PR 50

Frymaster

Universal Holding Cabinet-High Density

Models UHC-HD

Daily maintenance tasks

PR 50 D1 Clean UHC-HD

Monthly maintenance tasks

PR 50 M1 Check correct

UHC-HD Holding

Temperature

Annual maintenance tasks

PR 50 A1 Clean air exhaust

fans (if present)

and driver board

Model UHC-HD, 6-row and 3-Row

A. Power switch. B. Row. C. USB Port. D. Master Controller. E. Item Timer Button.

F. Time/Temperature Button. G. Row Mode Button.

Frymaster Universal Holding Cabinet

-High Density (UHC-HD) Models UHC-HD PR

*8196712*

01/2019

Clean UHC-HD Daily PR 50 D1

©McDonald’s Corporation · Planned Maintenance Manual · Revised 01/2019 Page 1 of 1

Frymaster Universal Holding Cabinet (UHC

-HD) Model UHCHD

Daily

PR 50

Why

To maintain effectiveness of the heater plate and to reduce the risk of cross contamination

Time required

30 minutes to prepare

15 minutes to complete

Time of day

After close

For 24-hour restaurants: during low-volume times

Hazard icons

Tools and supplies

Brush, UHC

McD All Purpose

Super Concentrate

(APSC) solution

Bucket, clean and

sanitized towels

Bucket, soiled towels

Procedure

Prepare UHC for cleaning and

allow to cool.

Set the UHC to “CLEAN

MODE” and remove all UHC

trays and wire racks. The dis-

play alternates between

CLEAN and Not Safe Yet.

Allow UHC to cool.

Do not attempt to clean a hot

UHC.

Take the UHC trays and racks

to the back sink to clean.

Remove loose debris.

Use the UHC brush to push

loose crumbs and debris out

the opposite side of the UHC.

Do not use no-scratch pads,

scrapers, or other brushes.

They can damage the surface.

Clean UHC slots.

Wrap the UHC brush with a

clean, sanitized towel soaked

in McD APSC. Use the

wrapped brush to clean the

top and bottom of each slot.

Sanitizer solution,

McD APSC

Do not use other cleaning

products. They can damage

the controls.

Wipe slots with clean,

sanitized towel.

Wipe each slot with a fresh

clean, sanitized towel

wrapped around the UHC

brush.

Clean outside of UHC.

Wipe down the outside of the

entire UHC with a clean, sani-

tized towel saturated with

McD APSC.

Check correct UHCHD Holding Temperature Monthly PR 50 M1

©McDonald’s Corporation · Planned Maintenance Manual · Revised 01/2019 Page 1 of 1

Frymaster Universal Holding Cabinet (UHCHD) Model UHCHD Monthly PR 50 M1

Why To ensure correct holding temperature and accuracy of computer controls

Time required 1 minute to prepare 30 minutes to complete

Time of day During low-volume periods For 24-hour restaurants: during low-volume periods

Hazard icons

Tools and supplies

Pyrometer with UHC

probe

Procedure

1 Make sure UHCHD is clean and

at proper operating

temperature.

Make sure all UHCHD slots

are free of oil and debris.

Turn on the UHCHD at least

30 minutes before you begin

readin

temperatures.

The top plate is cor-

rectly displaying

175°F.

2 Read and compare temper-

ature of top heater plate.

Slide the UHCHD probe of

the pyrometer into a slot with

the sensor facing up. Place the

probe within 1 inch (2.5 cm)

of the center of the top heater

plate. Allow the pyrometer

readout to stabilize for 3

minutes.

Press the UHCHD tempera-

ture key until the display

reads TOP with a temperature

displayed.

Compare the two temperature

readings. If the two tempera-

tures are more than 5°F (3°C)

apart, contact the factory au-

thorized service center.

UHCHD heater plates are hot.

The button end of

the probe is placed

against the plate

being measured.

The pyrometer is

showing a tempera-

ture within 5°F (3°C)

of the cabinet dis-

play, an acceptable

margin.

3 Read and compare

temperature

of bottom heater plate.

Slide the UHCHD probe of

the pyrometer into the same

slot with the sensor facing

down. Place the probe within

1 inch (2.5 cm) of the center

of the bottom heater plate.

Allow the pyrometer readout

to stabilize for 3 minutes.

Press the UHCHD tempera-

ture key until the display

reads BOT. The cabinet will

also display setpoint. Com-

pare the two temperature

readings. If the two tempera-

tures are more than 5°F (3°C)

apart contact the factory au-

thorized service center.

The pyrometer is

showing a tempera-

ture within 5°F (3°C)

of the cabinet dis-

play, an acceptable

margin.

4 Read and compare

temperatures for all UHCHD

slots.

Read and compare the top and

bottom heater plate tempera-

ture for each slot in the

UHCHD.

Read and compare tempera-

tures one slot at a time during

low-volume periods.

The temperature of

all the heater plates

is tested against the

reading of the py-

rometer.

Clean air exhaust fans* and driver board Annual PR50 A1

Frymaster Universal Holding Cabinet (UHC

-HD) Models UHC-HD QUALIFIED TECHNICIANS ONLY

Annual

PR 50

Why

To maintain proper cooling of electronic components

Time required

2 minutes to prepare

30 minutes to complete

Time of day

After close

For 24-hour restaurants: during low-volume periods

Hazard icons

Tools and supplies

Tools supplied by

technician

Procedure

QUALIFIED TECHNICIANS ONLY

Perform all UHC daily maintenance procedures.

Set the UHC to “CLEAN MODE” and remove all

UHC trays and wire racks. Allow the UHC to cool until

CLEAN is displayed. Perform all daily maintenance

procedures.

Do not attempt to clean a hot UHC.

Unplug UHC power cord.

Remove the UHC power cord plug from the wall out-

let.

Failure to unplug the power at the wall outlet could

result in serious injury or death. The power switch on

the UHC does not disconnect all incoming power to the

cabinet.

Remove side panels.

Remove the 2 screws in each side panel with a Phillips

screwdriver. Set the screws aside. Remove the side

panels from the UHC.

Brush dust from circuit boards.

Use a dust free anti-static brush to gently brush any

dust from the circuit boards on the left side of the

UHC.

Access exhaust fan*.

Remove the 8 screws in the top panel. Use a 5/16-in

socket wrench or nut driver. Place screws in a small

container to avoid misplacing or loss. Remove the top

panel.

*Fans are not present in the natural convection (flat

top) units.

If removing the cabinet from its fixed position for dis-

assembling and cleaning, the UHC requires at least 2

people.

Clean air exhaust fan blades*.

Wipe the blades of each air exhaust fan with a clean,

sanitized towel sprayed with McD APSC solution. Do

not allow the moist towel to touch any electrical con-

nections.

*Fans are not present in the natural convection (flat

top) units.

Sanitizer solution, McD APSC

Replace top and side panels.

Replace the top panel. Insert and tighten the 8 screws.

Replace the side panels. Insert and tighten the 2 screws

per side.

Frymaster McDonald's UHC-HD Maintenance Manual

Brand: Frymaster

Model: McDonald's UHC-HD

Type: Maintenance Manual

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Frymaster McDonald's UHC-HD Maintenance Manual

Frymaster McDonald's UHC-HD Maintenance Manual

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