Welbilt Delfield NLFACP Programming manual

Original Instructions
Installation, Operation and Maintenance Manual
This manual is updated as new information and models are released. Visit our website for the latest manual.
Original Document
,Caution
Read this instruction before operating this equipment.
Fresh Soluons, Fit For You
Part Number: 9291482 04/22
NLFACP
Milk & Beverage Dispensers
NLFACP-8
NLFACP-12
NLFACP-16

Safety Notices
nWarning
Read this manual thoroughly before operating, installing
or performing maintenance on the equipment. Failure
to follow instructions in this manual can cause property
damage, injury or death.
DANGER
Donotinstalloroperateequipment thathasbeenmisused,
abused, neglected, damaged, or altered/modified from
that of original manufactured specifications.
DANGER
All utility connections and fixtures must be maintained in
accordance with local and national codes.
DANGER
Use appropriate safety equipment during installation and
servicing.
nWarning
Do not damage the refrigeration circuit when installing,
maintaining or servicing the unit.
nWarning
Authorized service representatives are obligated to follow
industry standard safety procedures, including, but not
limited to, local/national regulations for disconnection
/ lock out / tag out procedures for all utilities including
electric, gas, water and steam.
nWarning
Do not store or use gasoline or other flammable vapors
or liquids inside or within the vicinity of this or any other
appliance. Never use flammable oil soaked cloths or
combustible cleaning solutions, for cleaning..
nWarning
This product contains chemicals known to the State of
California to cause cancer and/or birth defects or other
reproductive harm. Operation, installation, and servicing
of this product could expose you to airborne particles
of glasswool or ceramic fibers, crystalline silica, and/
or carbon monoxide. Inhalation of airborne particles
of glasswool or ceramic fibers is known to the State of
California to cause cancer. Inhalation of carbon monoxide
is known to the State of California to cause birth defects
or other reproductive harm.
nWarning
Do not use electrical appliances or accessories other than
those supplied by the manufacturer.
nWarning
Use caution when handling metal surface edges of all
equipment.
nWarning
This appliance is not intended for use by persons
(including children) with reduced physical, sensory or
mental capabilities, or lack of experience and knowledge,
unless they have been given supervision concerning use
of the appliance by a person responsible for their safety.
Do not allow children to play with this appliance.
,Caution
Use caution handling, moving and use of the R290
refrigerators to avoid either damaging the refrigerant
tubing or increasing the risk of a leak. Components shall
be replaced with like components. Servicing shall be done
by a factory authorized service personnel to minimize the
risk of possible ignition due to incorrect parts or improper
service.
Notice
Proper installation, care and maintenance are essential
for maximum performance and trouble-free operation of
your equipment. Visit our website www.mtwkitchencare.
com for manual updates, translations, or contact
information for service agents in your area.
Notice
Climatic class 4 is defined as ambient conditions of 30°C
and 55% relative humidity, according to ISO 23953-2.
Notice
These appliances are intended to be used for commercial
applications, for example in kitchens of restaurants,
canteens, hospitals and in commercial enterprises such
as bakeries, butcheries, etc., but not for continuous
mass production of food.
Notice
This product utilizes Ecomate blowing agent methyl
formate

Part Number: 9291482 04/22 3
Section 1
General Information
Model Numbers ................................................................................................................ 4
Serial Number Information................................................................................................ 4
Warranty Information........................................................................................................ 4
Regulatory Certifications ................................................................................................... 4
Standard Models ............................................................................................................. 4
Section 2
Installation
Location ............................................................................................................................ 5
Clearance Requirements.................................................................................................... 5
Weight Of Equipment........................................................................................................ 6
Dimensions ....................................................................................................................... 6
Capacity ............................................................................................................................ 6
Electrical Service ............................................................................................................... 6
Drain Connections ............................................................................................................. 7
Leg & Caster Installation.................................................................................................... 7
Refrigeration ..................................................................................................................... 7
Section 3
Operation
Loading NLFACP Series....................................................................................................... 8
Lid Operation .................................................................................................................... 8
Evaporator Fan Operation.................................................................................................. 8
Control .............................................................................................................................. 9
At Start Up....................................................................................................................... 9
Defrost ............................................................................................................................ 9
ERC112 Temperature Control.......................................................................................... 9
Alarms ............................................................................................................................. 9
Temperature Alarm .......................................................................................................10
Changing Display from Fahrenheit to Celsius on ERC112 Control...................................... 10
Section 4
Maintenance
General Cleaning ............................................................................................................. 11
Interior Cleaning.............................................................................................................. 12
Gaskets.......................................................................................................................... 12
Preventing Blower Coil Corrosion .................................................................................12
Exterior Cleaning ............................................................................................................. 12
Drain.............................................................................................................................. 12
Doors .............................................................................................................................. 13
Cleaning The Condenser Coil ........................................................................................... 13
Wiring Diagram ............................................................................................................... 14
Table of Contents

4 Part Number: 9291482 04/22
Model Numbers
This manual covers the following self contained work tables:
Self Contained Free Standing Milk or Beverage Dispensers with
Air Curtain
NLFACP-8
NLFACP-12
NLFACP-16
Serial Number Information
The serial number is on the identification plate that also
includes the model number.
• The id plate on all NLFACP Milk and Beverage Coolers is
on the back of the unit near the power cord.
Always have the serial number of your unit available
when calling for parts or service.
Warranty Information
Visit www.delfield.com/warranty to:
• Register your product for warranty.
• Verify warranty information.
• View and download a copy of your warranty.
Regulatory Certifications
STANDARD MODELS
115Volt, 60Hertz, 1Phase models are certified by:
• National Sanitation Foundation (NSF)
• Underwriters Laboratories (UL)
• Underwriters Laboratories of Canada (cUL)
Section 1
General Information

Part Number: 9291482 04/22 5
DANGER
Installation must comply with all applicable fire and
health codes in your jurisdiction.
DANGER
Use appropriate safety equipment during installation and
servicing.
nWarning
Remove all removable panels before lifting and installing.
nWarning
Do not damage the refrigeration circuit when installing,
maintaining or servicing the unit.
,Caution
When adding any item verify the location of the
refrigeration lines on wrapped rail units. A refrigeration
leak in a rail may be irreparable or extremely difficult and
costly to repair.
Location
nWarning
This equipment must be positioned so that the plug is
accessible unless other means for disconnection from the
power supply (e.g., circuit breaker or disconnect switch)
is provided.
nWarning
To avoid instability the installation area must be capable
of supporting the combined weight of the equipment
and product. Additionally the equipment must be level
side to side and front to back.
nWarning
This equipment is intended for indoor use only. Do not
install or operate this equipment in outdoor areas.
,Caution
Do not position the air intake vent near steam or heat
exhaust of another appliance.
The location selected for the equipment must meet the
following criteria. If any of these criteria are not met, select
another location.
• The location MUST be level, stable and capable of
supporting the weight of the equipment.
• The location MUST be free from and clear of combustible
materials.
• Equipment MUST be level both front to back and side to
side.
• Position the equipment so it will not tip or slide.
• Front casters MUST be locked once positioned.
• Recommended air temperature is 50° - 100°F
(10° - 38°C).
• Proper air supply for ventilation is REQUIRED AND
CRITICAL for safe and efficient operation.
• Do not obstruct the flow of ventilation air. Make sure the
air vents of the equipment are not blocked.
• Do not install the equipment directly over a drain. Steam
rising up out of the drain will adversely affect operation,
air circulation, and damage electrical / electronic
components.
Clearance Requirements
DANGER
Minimum clearance requirements are the same for
noncombustible locations as for combustible locations.
The flooring under the appliance must be made of a
noncombustible material.
DANGER
Risk of fire/shock. All minimum clearances must be
maintained. Do not obstruct vents or openings.
Back / Sides 0.00” (0mm)
• Keep the vents clean and free of obstruction.
• Casters or legs must be used and not removed.
Weight Of Equipment
Model Weight
Self Contained Free Standing Milk or Beverage Dispensers with
Air Curtain
NLFACP-8 401lbs (182kg)
NLFACP-12 491lbs (223kg)
NLFACP-16 583lbs (264kg)
Section 2
Installation

6 Part Number: 9291482 04/22
Installation Section 2
DIMENSIONS
Model Length Depth Height
Self Contained Free Standing Milk or Beverage Dispensers with
Air Curtain
NLFACP-8 40.04” (102cm)
32” (81cm) 42.50” (108cm)NLFACP-12 54.04” (137cm)
NLFACP-16 68.04” (173cm)
Capacity
17.75” (45cm) 24.75” (63cm) 31.75” (81cm)
Shelf Max Load 99lbs
(45kg)
124lbs (56kg) 140lbs (64kg)
Model
# Of Doors
Base Volume
FT3
# of
13”x13”x11”
cases
17.75”
(45cm)
24.75”
(63cm)
31.75”
(81cm)
Self Contained Free Standing Milk or Beverage Dispensers with
Air Curtain
NLFACP-8 2 9.36 8
NLFACP-12 2 13.81 12
NLFACP-16 2 16.52 16
Electrical Service
DANGER
Check all wiring connections, including factory terminals,
before operation. Connections can become loose during
shipment and installation.
nWarning
This appliance must be grounded and all field wiring must
conform to all applicable local and national codes. Refer
to rating plate for proper voltage. It is the responsibility of
the end user to provide the disconnect means to satisfy
the authority having jurisdiction.
• Plug units with R290 refrigerant into a receptacle that is a
minimum of 14” (36cm) above the floor.
• All electrical work, including wire routing and grounding,
must conform to local, state and national electrical codes.
• The equipment must be grounded.
• A separate fuse/circuit breaker must be provided for each
unit.
• If optional electrical receptacles are mounted in the unit’s
backsplash, they must be wired independently from the
existing unit wiring.
• The maximum allowable voltage variation is ±10% of the
rated voltage at equipment start-up (when the electrical
load is highest).
• Check all green ground screws, cables and wire
connections to verify they are tight before start-up.
Ground Fault Circuit Interrupter
Ground Fault Circuit Interrupter (GFCI/GFI) protection is a
system that shuts down the electric circuit (opens it) when it
senses an unexpected loss of power, presumably to ground.
Welbilt does not recommend the use of GFCI/GFI circuit
protection to energize our equipment. If code requires the
use of a GFCI/GFI then you must follow the local code. The
circuit must be dedicated, sized properly and there must
be a panel GFCI/GFI breaker. We do not recommend the
use of GFCI/GFI outlets to energize our equipment as they
are known for more intermittent nuisance trips than panel
breakers.

Part Number: 9291482 04/22 7
Section 2 Installation
Notice
These appliances will operate within the marked rated
voltage range without adjustment.
Notice
This symbol indecates the location of the equipotential
bonding conductor connection.
Model Amps H.P. NEMA Plug Voltage,
Hertz,
Phase
Self Contained Free Standing Milk or Beverage Dispensers with
Air Curtain
NLFACP-8 5.2 .35
5-15P 115, 60, 1NLFACP-12 5.2 .35
NLFACP-16 5.2 .35
Drain Connections
Self-contained work tables come standard with a condensate
evaporator. If the condensate evaporator fails, the unit’s
drain must have an outlet to an appropriate drainage area or
container.
If the optional drain is ordered, a refrigerated rail can have a
1” (25mm) drain. The drain will be stubbed to the bottom of
the machine compartment. Either run drain to a floor drain
or add a valve to the base of the machine compartment and
drain the rail to a container.
nWarning
Moisture collecting from improper drainage can create a
slippery surface on the floor and a hazard to employees.
It is the owner’s responsibility to provide a container or
outlet for drainage.
Leg & Caster Installation
Leveling
After the cabinet has been placed in the desired location,
cabinets with legs must be leveled. Level units from front to
back and from side to side. Leveling will insure proper door
operation and removal of condensate. Cabinets with casters
must have the caster brake set so the cabinet cannot move.
Stabilizing
It is very important that all legs are properly adjusted to keep
the cabinet level, evenly distribute the weight and to make
sure the unit will not rock, lean or be unstable.
Refrigeration
Model BTU System
Capacity
Heat of
Rejection Charge
Self Contained Free Standing Milk or Beverage
Dispensers with Air Curtain
R290
NLFACP-8 3110 2878 150g
NLFACP-12 3110 2501 150g
NLFACP-16 3110 2300 150g

8 Part Number: 9291482 04/22
DANGER
The on-site supervisor is responsible for ensuring that
operators are made aware of the inherent dangers of
operating this equipment.
DANGER
Do not operate any appliance with a damaged cord or
plug. All repairs must be performed by a qualified service
company.
DANGER
Never stand on the unit! They are not designed to hold
the weight of an adult, and may collapse or tip if misused
in this manner.
DANGER
Keep power cord AWAY from HEATED surfaces. DO NOT
immerse power cord in water. DO NOT let power cord
hang over edge of table or counter.
nWarning
Do not contact moving parts.
nWarning
The operator of this equipment is solely responsible
for ensuring safe holding temperature levels for all
food items. Failure to do so could result in unsafe food
products for customers.
nWarning
Do not use electrical appliances or accessories other than
those supplied by the manufacturer.
nWarning
All covers and access panels must be in place and properly
secured, before operating this equipment.
nWarning
Do not block the supply and return air grills or the air
space around the air grills. Keep plastic wrappings,
paper, labels, etc. from being airborne and lodging in
the grills. Failure to keep the air grills clear will result in
unsatisfactory operation of the system.
nWarning
Damp or wet hands may stick to cold surfaces.
,Caution
Overloading the storage area, restricting the air flow, and
continuous opening and closing of the doors and drawers
will hamper the units ability to maintain operational
temperature.
,Caution
Do not throw items into the display case or storage area.
Failure to heed this recommendation could result in
damage to the interior of the cabinet or to the blower
coil.
Loading NLFACP Series
These cabinets are designed to dispense 13” x 13” x 11” high
(maximum dimensions) dairy cases. Model NLFACP-8 holds
eight cases; four on the bottom and four on the top. Model
NLFACP-12 holds twelve cases; six on the bottom and six on
the top. Model NLFACP-16 holds sixteen cases; eight on the
bottom and eight on the top.
Milk cases are loaded through the wide opening in the top
and front of the unit. Fold the hinged lids up and back and
rest them on the top. The cabinet interior has self-locating
guides installed to make loading easy.
Loading Clearances
Milk crates and product must leave 2” of air flow space
near the fan(s) to prevent product from freezing, even with
a setpoint above freezing temperatures. Incorrect
stacking of crates may cause reduced airflow, resulting
in freezing product.
Section 3
Operation
Correct locaon: 2” gap between crates and
wall allowing proper air ow around crates.
Incorrect locaon: Crates are too close to the
wall and covering the fan, restricng air ow.

Part Number: 9291482 04/22 9
Section 3 Operation
Lid Operation
Operating the unit for extended periods of time with the lid
open may result in product temperature change. For best
operation, leave the lid open no longer than 2 hours during
peak usage.
Evaporator Fan Operation
Depending on the units requirements, units may have
evaporator fans that run continually or cycle on and off when
power is applied. If you have a unit that you notice the fan is
cycling, please see the operations sequence below.
When the refrigerator is initially powered up or immediately
following a power outage the unit will begin cooling after a
3-6 minute delay. During normal operation the evaporator
fan pulses independently of the compressor as dictated by
the controller as follows:
1. During the cooling mode, compressor and evaporator
fan run simultaneously.
2. During the compressor off mode, evaporator fan pulses
three minutes on and three minutes off.
3. During an actual defrost event other than the off-cycle
defrost, compressor stays off but the evaporator fan
runs continuously.
Cooling Cycle Defrost Cycle
Compressor On Compressor Off Compressor Off
Evaporator Fan On Evap Fan Cycles On
3-Min, Off 3-Min
Evaporator Fan On
CONTROLS
At Start Up
1. At initial start-up or anytime power is disconnected, then
reconnected to the unit, the control will go into defrost
mode.
2. The control will enter a DEFROST mode and the display
will read dEF. The compressor and condenser fan as well
as the evaporator fan will remain off until this initial
defrost is complete. This initial defrost cycle may take up
to 35 minutes to complete.
3. The display will continue to read dEF for an additional 30
minutes while the cooling cycle cools the box to the set
temperature.
4. Then the digital thermostat will display box temperature.
Normal operation setpoint is 36°F.
5. The temperature control will cycle the compressor,
evaporator fan motor and condenser fan motor to
maintain box temperature at the control setting. For more
information see Evaporator Fan Operation on page 9.
Defrost
The temperature control also monitors the evaporator
temperature and will turn off the compressor and condenser
fan motor when needed to allow accumulated frost on the
evaporator to clear. During this defrost cycle, the digital
temperature display will read dEF. After the defrost cycle is
complete, the temperature control will return to a normal
cooling cycle, but the display will continue to read dEF until
the evaporator returns to normal cooling temperatures (up
to 30 minutes).
The electronic temperature controller monitors evaporator
temperature and compressor run time to determine the
proper time for a positive defrost cycle. A defrost cycle can
occur as often as every 2 hours under extremely heavy
usage. It can last a minimum of 2 minutes. When the
controller enters the defrost mode the compressor is shut
off and will remain off until the evaporator coil temperature
exceeds:
• 41°F (5°C) or the controller reaches a time limit of 100
minutes on a refrigerated unit.
ERC112 TEMPERATURE CONTROL
Status Displayed Comments
Normal (°C) Temp. [°C] Unit depends on setting
(parameters in control)
Normal (°F) Temp. [°F]
Show set-point Temp.
Set to Defrost dEF / Temp Depends on setting
(parameters in control
or as chosen by upper
left button)
Sensor 1 defect E01 X Air sensor
Sensor 2 defect E02 X Coil sensor
Sensor 3 defect E03 X Open
Sensor 4 defect E04 X Open
High temperature alarm Hi X Automatically switching
at 2 sec rate
Low temperature alarm Lo X
Line voltage too high,
above 140 volts
uHi X
Line voltage too low,
below 96 volts
uLi X
Control calls for cooling
for more than 24 hours
straight
LEA X Time includes defrost.
Error will go away if the
control cycles off the
compressor or if the
power is shut off. If error
is on a cold pan it could
be related to a high
ambient temperature or
not shutting the rail off
nightly.
All alarms sound for approximately 10 seconds and then

10 Part Number: 9291482 04/22
Operation Section 3
are silent for 50 seconds. It will do that for 15 cycles and
then remain silent. The alarm code will still be present on the
display until the fault clears.
Press upper or lower right button.
• Display show actual set-point (blinking).
• If buttons untouched for 3 seconds returns to
normal.
• Increase set-point by pressing upper button. Max value
depends on parameters in control.
• Decrease set-point by pressing lower button. Min value
depends on parameters in control.
• If buttons untouched for 3 seconds returns to
normal and stores new set-point.
Press upper left button for 5 seconds.
• Start defrost.
Press lower left button for 5 seconds.
• Unit goes into stand-by mode.
• The display will read Off, then a period.
• Press the lower left button again for 5 seconds.
• The display will read On.
• The unit will then start up in the defrost mode,
and display will read dEF.
Temperature Alarm
The alarm will sound and flash HI or LO 90 minutes after the
unit has reached its alarm temperature point or after any
power interruption if the temperature is above or below the
alarm set points.
• The high refrigerator temperature point is 50°F (10°C).
• The low refrigerator temperature point is 25°F (-4°C).
CHANGING DISPLAY FROM FAHRENHEIT TO CELSIUS ON
ERC112 CONTROL
1. Simultaneously hold the up and down arrows for
5 seconds to access menu for password protected
parameters.
2. Screen should temporarily flash PAS and then move to a
numeric screen.
3. Scroll to 187 using the up/down arrows and push the
stand-by button (lower left button) to enter.
4. Scroll to dis using the up/down arrows and push the
stand-by button (lower left button) to enter into the
display menu.
5. Scroll to CFu using the up/down arrows and push the
stand-by button (lower left button) to enter the display
unit menu.