RPI Nuttall Flexeserve Series User manual

IBS 40002206
OPERATORS MANUAL
Customer Service: 609-714-2330 / 866-727-0721
(V1 January 017)

OPERATION MANUAL
IBS 40002206 Pa e | 2 V1 (January 2017)
Contents
Introduction 3
Safety Symbols 4
Safety Instructions 5
Specifications 6
Installation 11
Positionin 12
Movin 12
Electrical Connection 14
Equipment Confi uration 15
Power ON/OFF 16
Combination (FXZNC Models) – Selectin Heat Source & Zones On 17
Combination (FXZNC Models) – Switchin Zone(s) Off 18
Air Blast (FXZNA Models) or Warmin Plate (FXZNP Models) Only – Switchin On 19
Air Blast (FXZNA Models) or Warmin Plate (FXZNP Models) Only – Switchin Off 20
Operation 21
Display and Merchandisin 22
Product Probin 22
Daily Cleanin 23
Troubleshootin 24
Spare Parts and Service 25
Contact Us 25

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IBS 40002206 Pa e | 3 V1 (January 2017)
Introduction
This manual has been developed as a uide to assist with the continued safe operation of the equipment.
The document covers many aspects of use and maintenance; the relevant level of trainin and competence
is required from the operators workin with the equipment.
The Alan Nuttall Partnership Ltd cannot be held responsible for any accidents or injuries caused by
instructions bein carried out incorrectly or by the way the information is depicted. The uide must be read
and understood before usin the equipment.
This manual has been composed with the utmost care. However, as the result of a constant commitment to
development and improvement, it may be the case that your equipment deviates in detail from what is
described in this manual.
The followin instructions are only intended as uidelines for the installation, operation and maintenance
of the equipment. Furthermore, The Alan Nuttall Partnership Ltd accept no liability whatsoever for loss or
injury caused by the failure to strictly adhere to the safety uidelines and instructions in this manual,
whether due to carelessness, lack of the relevant trainin , qualification or competence, and durin
installation, operation, maintenance or repair of the equipment.
This manual should be retained for future use.
Conforms to UL Standard 197, and NSF 4; Certified to CSA Standard C22.2 No. 109

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Safety Symbols
The symbols defined below, which are relied upon for safety, are used on the Flexeserve® and/or
throu hout this document.
WARNING/CAUTION
An appropriate safety instruction should be followed or caution to a potential hazard
exists.
DANGEROUS VOLTAGE
To indicate hazards arisin from dan erous volta es.
HEAVY
This product is heavy and reference should be made to the safety instructions for
provisions of liftin and movin .
HOT SURFACE
To indicate that the marked item can be hot and should not be touched without takin
care.
INFORMATION
Information provided for trained and skilled operators only.
MAINTENANCE
Must only be undertaken by fully trained, qualified and competent en ineers.
PROTECTIVE EARTH (GROUND)
To identify any terminal that is intended for connection to an external conductor for
protection a ainst electric shock in case of a fault, or the terminal of a protective earth
( round) electrode.

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IBS 40002206 Pa e | 5 V1 (January 2017)
Safety Instructions
•This equipment may only be used by trained and skilled personnel. Any application that does not
conform to the specified use is considered hazardous.
•The equipment must only be used for its intended purpose; any other application will be considered
improper. The equipment is desi ned to keep food warm that has been cooked prior to use. The
equipment is not for cookin .
•Heated areas of the Flexeserve® exceed 70°C (158 °F): only touch the components used to control the
equipment.
•The equipment is not to be used for the stora e or display of potentially hazardous food or uncooked
products. All foods must be displayed in appropriate sealed containers/packa in .
•Food products are to be pre-cooked and displayed in appropriate containers/packa in .
•Do NOT place anythin reater than 20 k on to the display surface.
•On air-blast variants, do not cover or block exhaust vents.
•Children should not be allowed to play with or near the equipment.
•Before usin the equipment:
−Inspect power cable for dama e. If dama ed, disconnect and isolate the Flexeserve® unit;
−If the lass display shelf is cracked, isolate the Flexeserve® unit and remove from service;
−Ensure that there are no forei n or combustible objects other than approved food packa in in
contact with the heated surfaces;
−Ensure that the warmin plate is checked for si ns of dama e. If any dama e is found, isolate the
electrical supply and report to RPI.
•Switch off the appliance:
−When not in use;
−Before carryin out any maintenance task, such as cleanin ;
−Before movin the equipment.
To ensure the equipment remains in optimum technical condition, maintenance work should be carried
out at least once a year by a recommended RPI Service member.
The end user is fully responsible for the fulfilment of locally applicable safety re ulations and uidelines at
all times.
Any safety warnin s and/or instructions attached to the equipment are part of the safety features. They
must not be covered or removed, and must be present and le ible durin the life of the product.
Immediately replace dama ed or ille ible picto rams, warnin s and instructions.

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Specifications
The Flexeserve® ran e of products detailed within this manual are a series of warmin countertop or
display cabinets for the display of pre-cooked food bakery products in a container or closed packa in in
commercial outlets.
Each zone maintains the food products to a fixed temperature of between 65 °C (149 °F) and 90 °C (194 °F)
by either the means of an air blast heater or warmin plate.
NOTE: Some local or regional legislation may require a minimum temperature of the food product,
such as 82 °C 179 °F).
The Flexeserve® shall be factory set to maintain 82 °C (179 °F) core temperatures.
The Flexeserve® Display Cabinet ran e is provided with air blast, warmin plate heatin method or a
combination of both.
The Flexeserve® Countertop model is provided with air blast heatin only and only two warmin zones
(shelves) only.
The Flexeserve® free-standin display cabinets are provided with 3 to 5 warmin zones (shelves). The
Flexeserve® display cabinets are supplied on castors with the front castors bein lockable when in position.
Model number prefixes are detailed as follows:
FXZNC Combination heatin models
FXZNA Air blast heatin models
FXZNP Warmin plate heatin models
Full model part number confi urations are detailed as follows:
FXZN [a] [b] [c] [d] [e] - [f] [ ] - e. . FXZNA60S4C-SF61
Where: [a] = Heatin type: A=Air-blast, P=Warmin plate only & C=Combination air or warmin
plate
[b] = Width: 40 = 400 mm, 56 = 560 mm, 60 = 600 mm, 77 =770 mm & 10 =1020 mm
[c] = Shelf depth: S = Standard (860 mm) or N = Narrow (660 mm)
[d] = No of Display shelves (Zones): , 3, 4 or 5
[e] = Enclosure Form: C = Curved or S = Strai ht
[f] = Any 2 alpha-numeric characters (Non Safety Critical)
[ ] = 6 followed revision status, any sin le alpha-numeric character
The Flexeserve® ran e are cord connected and supplied with an appropriate appliance coupler, and for
indoor use only.
The ambient conditions required to operate the equipment are between 18 °C (64.4 °F) to 40 °C (104 °F),
with a maximum relative humidity of 70 %.

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Overall Dimensions – Countertop Tier Unit
Width (A) Depth (B) Hei ht (C) Wei ht
400 mm/16 in 660 mm/26 in 885 mm/35 in 159 lb
600 mm/23 in 660 mm/26 in 885 mm/35 in 195 lb
1020 mm/41 in 660 mm/26 in 885 mm/35 in 234 lb
A
B
C

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Overall Dimensions – 3 Tier Unit
Width (A) Depth (B) Hei ht (C) Wei ht
400 mm/16 in 860 mm/34 in 1500 mm/60 in 292 lb
600 mm/23 in 860 mm/34 in 1500 mm/60 in 320 lb
1020 mm/41 in 860 mm/34 in 1500 mm/60 in 508 lb
A
C
B

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Overall Dimensions – 4 Tier Unit
Width (A) Depth (B) Hei ht (C) Wei ht
400 mm/16 in 860 mm/34 in 1760 mm/70 in 344 lb
600 mm/23 in 860 mm/34 in 1760 mm/70 in 433 lb
1020 mm/41 in 860 mm/34 in 1760 mm/70 in 560 lb
A
C
B

OPERATION MANUAL
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Overall Dimensions – 5 Tier Unit
Width (A) Depth (B) Hei ht (C) Wei ht
400 mm/16 in 860 mm/34 in 1940 mm/76 in 397 lb
600 mm/23 in 860 mm/34 in 1940 mm/76 in 485 lb
1020 mm/41 in 860 mm/34 in 1940 mm/76 in 613 lb
B
A
C

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Installation
WARNING
Installation of these units should be carried out by appropriately qualified and skilled
personnel. Failure to do so may invalidate the warranty.
The equipment will be delivered to site boxed on a pallet.
Remove all packa in materials from the unit and dispose of correctly, in accordance with local re ulations.
Care must be taken when removin packa in so not to dama e or scratch the painted, lass or stainless
steel surfaces.
Remove all temporary tape.
Prior to the first use, clean with a proprietary cleanin solution, followin the manufacturers’ instructions.
Refer to the cleanin and maintenance section of this document. Ensure excessive water is not used. Do
NOT use a ressive deter ents.
If there are any si ns of dama e, contact RPI Industries, Inc. immediately. Failure to report faults,
defects or missin items upon delivery may incur char es. Deliveries must only be si ned off if they are in a
satisfactory condition.
Ensure safe manual handlin practices are employed at all times. The unit should be lifted into
position usin the correct liftin procedures, in line with local and re ional safety policies.
The followin considerations must be iven to the site of installation:
AVOID placin sources of heat near the appliance.
Do NOT install the appliance near other equipment that enerates hi h temperatures in order to
avoid dama e.
The equipment should be sited so that it is not affected by drau hts from doors or air conditionin
systems. Temperature fluctuations are likely to occur if the equipment is not sited appropriately. This
will have an adverse effect on product temperatures and may increase runnin costs.
Ensure the floor supports the wei ht of the unit at full capacity.
Ensure the unit is installed on a flat, even surface.
The supportin or surroundin surfaces for the appliance must be:
Non-combustible;
Level, flat and even;
Able to support the appliance’s wei ht at full load, without under oin deformation or structural
failure;
Immovable.

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Positioning
WARNING
Installation of these units should be carried out by appropriately qualified and skilled
personnel. Failure to do so may result in unsafe operation or personal injury.
WARNING
Adequate provision should be made for liftin and positionin the unit to avoid risk of
dama e or injury. Sufficient personnel should be available to handle each unit without
contravenin company or site health and safety policies.
It is recommended that a minimum of two persons are required for placin the equipment into position.
The equipment must be kept in the vertical orientation at all times.
Once the unit is placed in the desired location, it should be prevented from bein moved.
The Flexeserve® floor standin units (3, 4 and 5 tier units) have castor brakes fitted that should be applied.
The castor brakes are located to the front elevation of the unit, as shown in the illustration below.
Moving
Before movin the unit, isolate and disconnect the power cord from the wall socket. Stow the electrical
power cord so that it does not become dama ed durin repositionin .
The units are not suited to pass over led es or obstacles. Make sure that the wheels can move freely and
never come into contact with the power cord (see fi ure below).
Front counter elevation
showin front brake
castors
Plu
Wall socket

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For optional wall location only:
1. Position the fixin brackets on to the top of each end panel.
2. Roll the unit into the desired location a ainst the wall.
3. Mark on the wall throu h the slot of the fixin bracket.
4. Drill and secure usin appropriate fixin s (i.e. M5 screws).
Fixin bracket
Wall spacer to
ensure 2 inch
air ap

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Electrical Connection
WARNING
Connection must only be carried out by suitably trained, qualified and skilled
en ineers, in accordance with all re ional and local electrical codes.
The appliances are electrically rated for a 208/240 V, 60 Hz electrical supply.
The Flexeserve® products are provided with a dedicated power cord and appropriate NEMA Style 6 power
coupler rated for the equipment.
The equipment must be connected to a branch circuit protected rounded supply.
NOTE: For electrical ratings of the unit, refer to the electrical rating plate located to the rear of
the unit. An example is shown below.
It is hi hly recommended to provide the equipment with an accessible means of isolation external to the
equipment, i.e. a wall isolator switch.
MODEL Countertop 3 Zone Unit 4 Zone Unit 5 Zone Unit
Heatin
Type/
(WIDTH)
Air Blast
Only
Air Blast/
Combi
Warmin
Plate Only
Air Blast/
Combi
Warmin
Plate Only
Air Blast/
Combi
Warmin
Plate Only
400/560
1500 W 2250 W
725 W
3000 W
950 W
3750 W
1200 W
600 800 W 1050 W 1300 W
770
3000 W 5000 W
950 W
6000 W
1250 W
7500 W
1550 W
1020 1175 W 1600 W 1925 W
WARNING
For all types of installation, ensure the mains lead is in a safe position. Under no
circumstances should any electrical cables or power points be installed directly in contact
with any part of the unit or pose a risk to safety.
If the mains power lead becomes dama ed, isolate the equipment and remove from
service immediately until a replacement is fitted.

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Equipment Configuration
Slide si na e into the ticket ed es. Close the valance panel when not in use.
Shelf
Riser
Ticket strip
Double-glazed end panel
Mains lead
Electrical box

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Power ON/OFF
Each zone is supplied with an isolator or power switch to turn the display cabinet on or off, which is located
within the front valance of the display cabinet.
Set the switch/isolator to ‘I’ to apply power to the equipment and set to ‘O’ to power off.
All tier units example:
400, 560 & 600mm units - 3, 4 and 5 tier example:
770 & 10 0mm 3, 4 and 5 tier units example:
CAUTION
In an emer ency, switch off the appliance and isolate fully from the mains supply. Ensure
that you take time to familiarise yourself with this location.
Mains isolator switch
Mains isolator switch

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Combination (FXZNC Models) – Selecting Heat Source & Zones On
Individual Zone/Tiers
WARNING
The operation of this equipment must be carried out by trained and competent
personnel only.
CAUTION
The surface of the hot zones will become hot, reachin temperatures above 158 °F.
The Flexeserve® FXZNC combination models are provided with alternative methods of heatin ; air blast or
warmin plate. The user can select either means of heatin .
The models are supplied with one set of controls for each heated zone (shelf). The controls are located
behind the valance panel at the base of the equipment.
Ensure the equipment is empty and clean prior to switch on. Check the equipment is connected to a power
socket.
Before switchin on the equipment, it is the operator’s responsibility to visually inspect the equipment to
ensure that there is no dama e that may compromise safety.
Switch on the zone power switch and the display will illuminate. The display will show the ambient
temperature. When hot air or hot shelf are selected, the equipment will be in to rise and establish the
temperature set-point automatically, enerally 185 °F.
Where multiple hot zones are required, select and set the appropriate Zone power switches to on
separately.
The hot zones should be left empty without interference and may take up to 60 minutes to reach operatin
temperature. No products should enter the display area until it has reached the correct operatin
temperature.
Do NOT place unpacked food products directly on to the hot plate(s).
Zone Power switch
I: Air only
O: OFF
II: Warmin plate
Zone Indicator
(e. . Zone 3)
Pro rammer
display

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Combination (FXZNC Models) – Switching Zone(s) Off
Individual Zone/Tiers
CAUTION
When switched off or disconnected from the power source, the surface of the hot zones
may still be hot, and may take up to 2 hours to cool down.
WARNING
Cleanin and maintenance should only be carried out when sufficiently cooled and with
the mains supply isolated.
To switch off the respective zone, set the zone power switch to ‘O’ (central) position.
When the hot zone is turned off, the temperature display will o blank and the hot zone will be switched
off.
To isolate, fully disconnect the incomin mains supply by the equipment power switch/isolator or
disconnectin the power cord from the supply.
Zone power switch
O: Off
position
Pro rammer display

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Air Blast (FXZNA Models) or Warming Plate (FXZNP Models) Only – Switching On
Individual Zone/Tiers
WARNING
In an emer ency, switch off the appliance and isolate fully from the mains supply. Ensure
that you take time to familiarise yourself with this location.
CAUTION
The surface of the hot zones shall become hot, reachin temperatures above 158 °F.
The Flexeserve® FXZNA models are fitted with air blast heatin only.
The Flexeserve® FXZNP models are fitted with warmin plate heatin only.
Each of the above model variants are supplied with one set of controls for each hot zone. The controls are
located behind the valance panel at the base of the equipment.
Ensure the equipment is empty and clean prior to switch on. Check the equipment is connected to a power
socket.
Before switchin on the equipment, it is the operator’s responsibility to visually inspect the equipment to
ensure that there is no dama e that may compromise safety.
Switch on the zone power switch and the display will illuminate. The display will show the ambient
temperature. The equipment will be in to heat and reach the established temperature set-point
automatically, enerally 185 °F.
Where multiple hot zones are required, select and set the appropriate zone power switches to on
separately.
The hot zones should be left empty without interference and may take up to 60 minutes to reach operatin
temperature. No products should enter the display area until it has reached the correct operatin
temperature.
WARNING
Do NOT place unpacked food products directly on to the hot plate(s).
Zone power switch
I: On position
O: Off position
Pro rammer display
Zone indicator

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Air Blast (FXZNA Models) or Warming Plate (FXZNP Models) Only – Switching Off
Individual Zone/Tiers
WARNING
When switched off or disconnected from the power source, the surface of the hot zones
may still be hot, and may take up to 2 hours to cool down.
WARNING
Cleanin and maintenance should only be carried out when sufficiently cooled and with
the mains supply isolated.
To switch off the respective zone, set the zone power switch to ‘O’ (central) position.
When the hot zone is turned off, the temperature display and power switch will o blank and the hot zone
will be switched off.
To isolate, fully disconnect the incomin mains supply by the equipment power switch/isolator or by
disconnectin the power cord from the supply.
Zone power switch
O: Off position
Pro rammer display
Zone indicator