Metro CM2000, C175-HM2000, C175 Installation Manual

C175 Series

Rev . 3/99

USER MANUAL
FOR THE METRO
C175 SERIES
UNINSULATED
HEATED CABINET

Recommended Food Holding
Guidelines Listed on page 7.

®

®

InterMetro Industries Corporation

Wilkes-Barre, PA 18705
570-825-2741

TABLE OF CONTENTS

SECTION PAGE

I. Introduction

A. Identifying Your Cabinet ........................... 2

B. Features ................................................... 3

II. Operating Instructions

A. Reversible Door........................................ 3

B. Slide Rack Assemblies............................. 3

C. Holding Module........................................ 4

D. Combo Module ......................................... 5

E. Proofer Module ......................................... 6

III. Food Holding Guidelines

A. CM2000/HM2000 Recommended

Food Holding Guidelines.......................... 7

IV. Cleaning Instructions

A. Specific Cleaning Instructions.................. 8

B. General Cleaning Instructions .................. 8

V. Maintenance

A. Cabinet Maintenance ............................... 9

B. Module Maintenance................................ 9

C. Blower Motor Maintenance....................... 9

VI. Replacement Parts and Procedures

A. Cabinet ................................................... 10

B. Modules .................................................. 12

VII. Wiring Schematics

A. Holding................................................... 16

B. Combo.................................................... 17

C. Proofer.................................................... 18

1

1

I. INTRODUCTION

A. IDENTIFYING YOUR CABINET

Your cabinet assembly has been shipped in
two cartons. The first carton contains the
cabinet with module. The other carton contains
the slide racks.

There are several component numbers which
you may want to record for future reference:
the cabinet model number, the module model
number along with the module serial number
and the slide rack model number. Refer to the
photo at right to locate these numbers. The
slide rack model number is located on the
label affixed to the ends of the rack carton. It is
recommended that all numbers be recorded in
an appropriate place, such as at the bottom of
this page. AIso, please record the cabinet
model number and module serial number on
the Warranty Card found at the back of this
manual. Be sure to complete the remainder of
the Warranty Card and return it to Metro within
fifteen (15) days of delivery of the cabinet.
Once you have located and recorded these
numbers, refer to the sample numbers given
below to identify the components of your C175
series cabinet.

Your C175 series cabinet has a full-view
polycarbonate door which allows unobstructed
viewing of the cabinet contents. To prevent shipping
damage to the clear panel, the protective paper
masking the panel, has been left on. Before putting
your cabinet into service, be sure to remove the
masking. Should the masking be difficult to remove,
refer to the Specific Cleaning Instructions section of
this manual for demasking instructions.

LOCATION OF
MODEL NUMBER

▼

SAMPLE OF CABINET LABELING

C175-HM2000

Cabinet Series
(Full Height Cabinet)

Indicates Module
HM2000=Holding
CM2000=Combo
PM2X675=Proofer

C175T-HM2000

Cabinet Series
(3/4 Height Cabinet)

Indicates Module
HM2000=Holding
CM2000=Combo
PM2X675=Proofer

SAMPLE OF SLIDE RACK

CARTON LABELING

C4SC (Full Height Cabinet)

Indicates Slide Racks
C4SC=Wire 3" Spacing
C8SN= Aluminum Fixed on 11/2" Spacing
CVSN= Aluminum Adjustable

C4SC-T (

3

/4 Height Cabinet)

Indicates Slide Racks
C4SC-T = Wire 3" Spacing
C8SN-T = Aluminum Fixed on 11/2" Spacing
CVSN-T = Aluminum Adjustable

LOCATION OF

MODULE MODEL

NUMBER AND

SERIAL NUMBER

▼

NOTE: Please read this manual thoroughly before using your

cabinet. If you should have questions, please contact
Metro customer service department.

2

B. FEATURES — ALL MODELS

In order to utilize your new cabinet to its full potential,
take a minute to identify the following features which
have been provided for your convenience.

• The module has been placed at the base of the
cabinet for easy accessibility and efficient operation.

• Clearly-marked control panel angled for easy
viewing and allowing climate adjustments without
opening the door.

• Removable water pan.

• Cabinet designed with drip trough and catch pan to
contain condensation drippage.

• Field reversible full-view gasketed door.

• Easy pull adjustable magnetic door latch.

• Rear pan stop.

• Cord keeper at rear of cabinet which folds flat to
prevent damage to surrounding walls.

• All components — door, module, chimney,
slide racks — removable to permit thorough,
obstruction-free cleaning.

II. OPERATING INSTRUCTIONS

A. REVERSIBLE DOOR

The door on your cabinet can be reversed to
accommodate a right- or left-hand opening. The
cabinet has been shipped with the hinges
mounted on the right-hand side. To reverse, follow
the instructions listed below:

1.With the door in the closed position remove
the hinge pin by driving it out using a hammer
and a drive pin or small diameter screwdriver.

2.Once the pins are removed grasp the door
firmly and pull the latch lever, this will release
the door. Set the door aside being careful not
to damage the gasket.

3. Remove the screws from the left side of the
cabinet and set aside. Then remove the
cabinet mounted part of the hinge and remount
to the left side of the cabinet. Put the screws
removed from the left side of the cabinet, into
the remaining holes on the right side of the
cabinet. Tighten all screws before proceeding.

4.Relocate the latch plate(s) from the left side to
the right by removing the two mounting
screws. Tighten all screws before proceeding.

5.Rotate the door 180 degrees and align the
door mounted hinge part with the cabinet
mounted hinge part and tap the hinge pin
into place so top of pin is flush with top of
the cabinet mounted hinge part. Invert the
door latch by removing black plastic screw
covers and remove the screws holding the
latch in place.

6.Relocate the label on the door. Be sure that
there are no open screw holes on the front of
the cabinet.

B. SLIDE RACK ASSEMBLIES

All three models of slide racks, C4SC, C8SN,
and CVSN are removable for thorough
cleaning.

On the inside of each cabinet are a series of
rack hangers. These hangers have two slots for
either an inboard or outboard rack position. To
remove the slide rack, grasp and move upward
until pins are free of hanger slots. To install
racks, locate pins over hangers and lower until
locked into the slots.

NOTE: For an inboard rack position, use the
slots farthest away from the inside wall of the
cabinet. For an outboard rack position, use the
slots closest to the inside wall of the cabinet.

C4SC — Model 4 (3" Slide Spacing-fixed)

The Model 4 Slide Rack consists of two sets of
slides. Both sets can be installed either in an
inboard or an outboard position. Also, one set
of racks can be placed in the inboard position
while the second set can be installed in the
outboard position. All pans are to be bottom
loaded regardless of rack positioning. The
following pans may be used:

Inboard Hanger Position

(18" width)

17 pans — 18"x26"x25/8"*
17 pans — 14"x18"x25/8"*

Max. pan size: 18"x27"x25/8"*

Min. pan size: 17"

Outboard Hanger Position

(20" width)

17 pans — 20"x24"x21/4"*
14 pans — 20"x24"x25/8"*
34 pans — 12"x20"x21/4"*
28 pans — 12"x20"x25/8"*

Max. pan size: 20"x27"x25/8"*

Min. pan size: 19"

*The top rack level is usable if the pan and product do not

exceed 2" in height.

If this condition exists, an extra pan can be held.

3

C8SN — Model 8 (11/2" Spacing-fixed)

The Model 8 Slide Rack can only be installed in the
inboard hanger position. All pans are to be lip loaded.
The following pans may be used: 35 pans — 18"x26"
max. height 1

3

/8". Max. pan size: 18"x27"x13/8". Min.

pan size: 18".

CVSN — Model V (adjustable)

The Model V Slide Rack can be installed in either an
inboard or outboard position. Center spacing on
slides can be either 3" or 41/2". Slides can be removed
by lifting upward and sliding the rivet heads out of the
keyhole slots. To install, select spacing, insert the rivet
heads into the keyhole slots and push down until
locked in the hole. All pans are to be bottom loaded
regardless of slide or rack positioning.

With the racks in the inboard position (18" width), the
following pans may be used:

3" Slide Spacing

17 pans — 18" x26" x25/8"

34 pans — 12"x18"x25/8"
34 pans — 13"x18"x25/8"
17 pans — 14"x18"x25/8"

Max. or combined pan size:

18"x27"x25/8”

Min. pan width: 16"

41/2" Slide Spacing

11 pans — 18"x26"x41/8"

22 pans — 12"x18'’x41/8"

22 pans — 13"x18"x41/8"

22 pans — 14"x18'’x41/8"

Max. or combined pan size:

18"x27"x41/8"

Min. pan width: 18"

With the racks in the outboard position (20" width), the
following pans may be used:

3" Slide Spacing

17 pans — 15"x20"x25/8"

34 pans — 107/8"x193/4"x25/8"

34 pans — 111/8"x20"x25/8"

17 pans — 20"x20"x25/8"
17 pans — 20"x22"x25/8"
34 pans — 12"x20"x25/8"
17 pans — 20"x24"x25/8"

Max. or combined pan size:

20"x27"x25/8"

Min. pan width: 16"

41/2" Slide Spacing

11 pans —15"x20"x41/8"

22 pans — 107/8"x193/4"X41/8"

22 pans — 111/8"x20"x41/8"

11 pans — 20"x20"x41/8"
11 pans — 20"x22"x41/8"
22 pans — 12"x20"x41/8"
11 pans — 20"x24"x41/8"

Max. or combined pan size:

20"x27"x41/8"

Min. pan width: 18"

C. HOLDING MODULE

For Recommended Holding T emperatures,
see HM2000 guidelines on page 7.

When equipped with a holding module, your

cabinet is designed to maintain the
temperature of HOT prepared foods. The

holding module is equipped with a
thermostatically controlled heater, a blower
for air circulation and a water pan. A POWER
switch is provided with a red light to indicate
when the unit is switched ON. Beside the
POWER switch is the TEMPERATURE
thermostat and its yellow indicator light.

A three-wire grounded lead cord is supplied
fixed to the module. The cord cannot be
separated from the module, thus, upon
module removal be careful of the cord
passing through the cabinet wall. Likewise
when installing the module into a cabinet, the
cord must first be fed through the opening in
the cabinet back panel.

1.With the POWER switch OFF, plug the cord
into a standard grounded 20 amp, 125VAC
receptacle. REFER TO CABINET DATA
PLATE FOR AMPERE RATING.

CAUTION: THE WATER PAN MUST BE IN
PLACE DURING MODULE OPERATION.

2.To introduce limited humidity, fill the 11/2-quart
capacity water pan to 1/2" from the top with
HOT clean tap water. During operation,
check the water level every 3 hours and refill
as necessary. The unit may be operated
without water if humidity is not desired.

3.Snap POWER switch to ON. The red POWER
light will now glow as will the yellow indicator
light, and the blower will begin circulating air.
NOTE: This is not a foot switch. Using it as
a foot switch can damage the switch and
make the cabinet inoperable.

4.Turn the TEMPERATURE thermostat to
a setting of 10. The holding unit is now
in operation.

5.After allowing the cabinet to PREHEAT FOR
APPROXIMATELY 45/60 MINUTES, reduce
the thermostat setting to 6/8. In a room of
average temperature (72°F), this should
provide 150°-170°F. Adjustments to the
temperature may be made as necessary.

THIS IS A HOT FOOD HOLDING CABINET AND
IS NOT INTENDED TO RETHERMALIZE COLD
FOOD. MAKE SURE FOOD AND CABINET ARE
A T PROPER TEMPERATURES BEFORE
PLACING FOOD IN THE CABINET.

NOTE: The POWER (red) light will glow as soon
as the POWER switch is switched ON and will
continue to glow until switched OFF. The yellow
indicator light will go on and off as the thermostat
cycles. The blower will operate as long as the
POWER switch is ON. If the yellow light is not
illuminated, this indicates that the cabinet has
achieved the preset TEMPERA TURE level, NOT
that the unit has been switched OFF.

4

It is not necessary at the end of the operating
day to disrupt the TEMPERATURE setting in
order to turn the unit OFF. By switching the
POWER switch to OFF, the unit is no longer
operating. By switching the POWER switch to
ON when resuming operations, the cabinet
will attain the preset level.

D. COMBINATION HOLDING/PROOFING

MODULE
For Recommended Holding T emperatures,

see CM2000 guidelines on page 7.

When equipped with a combination holding/
proofing module, your cabinet is designed for
proofing dough products (proof mode) or
maintaining the temperature of HOT prepared
foods (heat mode). The combination holding/
proofing module is equipped with three
thermostatically controlled heaters, a blower
for air circulation and a water pan. A POWER
switch is provided with a red light to indicate
when the unit is switched ON. Beside the
POWER switch are the TEMPERATURE and
HUMIDITY thermostats, each with a yellow
indicator light. Located between the
thermostats is the switch for selecting PROOF
mode or HEAT (holding) mode operation.

A three-wire grounded lead cord is supplied
fixed to the module. The cord cannot be
separated from the module, thus, upon
module removal be careful of the cord
passage through the cabinet wall. Likewise
when installing the module into a cabinet, the
cord must first be fed through the opening in
the cabinet back panel.

Proof Mode Operation

In the PROOF mode, the HUMIDITY
thermostat controls the heat element under
the water pan to produce moist heat
(humidity) while the TEMPERATURE
thermostat controls the heat element in the
air duct to produce dry heat.

1.With POWER switch OFF, plug lead cord into
a standard grounded 20 amp, 125VAC
receptacle. REFER TO CABINET DATA
PLATE FOR AMPERE RATING.

CAUTION: THE WATER PAN MUST BE IN
PLACE DURING MODULE OPERATION.

2.Fill the 2

1

/2-quart capacity water pan to 1/2"
from top with HOT clean tap water. During
operation, check water level every 2 hours
and refill as necessary.

3.Move the selector switch to PROOF position.
Snap POWER switch to the ON position. The
red POWER light will now glow and the
blower will begin operating. NOTE: This is

not a foot switch. Using it as a foot switch
can damage the switch and make the
cabinet inoperable.

4.For products that will proof in 30-45 minutes
at approximately 95°F and 95% relative
humidity, turn the HUMIDITY thermostat to

setting 10 and TEMPERATURE thermostat to
setting 2. Given a normal room temperature of
72°F, a PREHEAT TIME OF APPROXIMATELY
30 MINUTES is required before proofing can
begin. For products that require more than 45
minutes to proof, it will probably be
necessary to reduce the HUMIDITY setting to
avoid a 100% relative humidity condition
during the proofing cycle. HUMIDITY
SETTINGS THAT ARE TOO HIGH WILL
RESULT IN EXCESS WATER CONDENSING
ON THE INSIDE OF THE DOOR AND
POSSIBLE CABINET LEAKAGE.

Individual adjustments of temperature and
humidity may be made as necessary.

NOTE:The POWER (red) light will glow as soon
as the POWER switch is switched ON and will
continue to glow until switched OFF. The yellow
indicator lights will go on and off as their
controls cycle; the blower will operate as long as
the POWER switch is ON. If the yellow lights are
not illuminated, this indicates that the cabinet
has achieved the preset levels, NOT that the
unit has been switched OFF.

It is not necessary at the end of the operating
day to disrupt the TEMPERATURE and
HUMIDITY settings in order to turn the unit OFF.
By switching the POWER switch to OFF, the unit
is no longer operating. By switching the POWER
switch to ON when resuming operations, the
cabinet will attain the preset levels.

Heat Mode Operation

In the HEAT mode, the TEMPERATURE
thermostat controls one heat element in the air
duct to produce dry heat.

1.With POWER switch OFF, plug lead cord into
a standard grounded 20 amp, 125VAC
receptacle. REFER TO CABINET DATA
PLATE FOR AMPERE RATING.

CAUTION: THE WATER PAN MUST BE IN
PLACE DURING MODULE OPERA TION.

2.To introduce limited humidity, fill the water
pan to 1/2" from top with HOT clean tap water.
During operation, check water level every 3
hours and refill as necessary. The unit may
be operated without water if humidity is not
desired.

3.Move selector switch to HEAT position. Snap
POWER switch to ON. The red POWER light
will now glow, as will the yellow indicator light
adjacent to the TEMPERATURE thermostat.
The blower will begin circulating air. NOTE:

This is not a foot switch. Using it as a foot
switch can damage the switch and make the
cabinet inoperable.

4.Turn the TEMPERATURE thermostat to
setting 10. The unit is now operating in the
HEAT mode.

5.After allowing the cabinet to PREHEAT FOR
APPROXIMATELY 45/60 MINUTES, reduce
the thermostat setting to 6/8. In a room of

5

average temperature (72°F), this should
provide 150°-170°F. Adjustments to the
temperature may be made as necessary.

THIS IS A

HOT FOOD HOLDING CABINET
AND IS NOT INTENDED TO RETHERMALIZE
COLD FOOD. MAKE SURE FOOD AND
CABINET ARE A T PROPER TEMPERATURES
BEFORE PLACING FOOD IN THE CABINET.

NOTE: The POWER (red) light will glow as
soon as the POWER switch is turned ON and
will continue to glow until switched OFF. The
yellow indicator light(s) will go on and off as
their controls cycle. The blower will operate as
long as the POWER switch is ON. If the
yellow light(s) are not illuminated, this
indicates that the cabinet has achieved the
preset level(s), NOT that the unit has been
switched OFF .

It is not necessary at the end of the operating
day to disrupt the TEMPERATURE setting in
order to turn the unit OFF. By switching the
POWER switch to OFF, the unit is no longer
operating. By switching the POWER switch to
ON when resuming operations, the cabinet
will attain the preset level.

E. PROOFER MODULE

When equipped with a proofer module, your
cabinet is designed for proofing dough
products. The proof module is equipped with
two thermostatically controlled heaters —
one for dry heat (TEMPERATURE) and one
for moist heat (HUMIDITY), a blower for
gentle air circulation and a water pan. A
POWER switch is provided with a red light to
indicate when the unit is switched ON.
Beside the POWER switch are the separate
TEMPERATURE and HUMIDITY thermostats,
each with a yellow indicator light.

A three-wire grounded lead cord is supplied
fixed to the module. The cord cannot be
separated from the module, thus, upon
module removal be careful of the cord
passage through the cabinet wall. Likewise
when installing the module into a cabinet, the
cord must first be fed through the opening in
the cabinet back panel.

1.With POWER switch OFF, plug lead cord into
a standard grounded 15-amp, 125VAC
receptacle. CAUTION: THE WA TER P AN

MUST BE IN PLACE DURING MODULE
OPERA TION.

2.Fill the 21/2-quart capacity water pan to 1/2"
from top with HOT clean tap water. During
operation, check water level every 2 hours
and refill as necessary.

3.Snap POWER switch to the ON position. The
red POWER light will now glow and the
blower will also begin operating. NOTE: This

is not a foot switch. Using it as a foot switch
can damage the switch and make the cabinet
inoperable.

4.For products that will proof in 30-45 minutes at
approximately 95°F and 95% relative humidity,
turn the HUMIDITY thermostat to setting 10
and TEMPERATURE thermostat to setting 2.
Given a normal room temperature of 72°F, a
PREHEAT TIME OF APPROXIMATELY 30
MINUTES is required before proofing can
begin. For products that require more than 45
minutes to proof, it will probably be
necessary to reduce the HUMIDITY setting to
avoid a 100% relative humidity condition
during the proofing cycle. HUMIDITY
SETTINGS THAT ARE TOO HIGH WILL
RESULT IN EXCESS WATER CONDENSING
ON THE INSIDE OF THE DOOR AND
POSSIBLE CABINET LEAKAGE.

Individual adjustments of temperature and
humidity may be made as necessary.

NOTE: The POWER (red) light will glow as
soon as the POWER switch is switched ON
and will continue to glow until switched OFF.
The yellow indicator lights will go on and off
as their controls cycle. The blower will operate
as long as the POWER switch is ON. If the
yellow lights are not illuminated, this indicates
that the cabinet has achieved the preset
levels, NOT that the unit has been switched
OFF.

It is not necessary at the end of the
operating day to disrupt the TEMPERATURE
and HUMIDITY settings in order to turn the
unit off. By switching the POWER switch to
OFF, the unit is no longer operating. By
switching the POWER switch to ON when
resuming operations, the cabinet will attain
the preset levels.

6