Please read this manual completely before attempting to install or operate this equipment! Notify carrier of damage! Inspect all
components immediately.
18600PTL
Pizza Tables with LiquiTec® Rail
18600PDL
Dual LiquiTec® Rail Prep Table
CAUTION
18600PTBM
Pizza Tables with Raised Rail
18600BSTM
Work Table with Backsplash
Important Information
Read Before Use
18600BUCM
Work Tables
CTP-NB
Countertop Condiment Rail
Please Save These Instructions!
May 2013
18600 and CTP-NB Series Service and Installation Manual
Important Warning And Safety Information
WARNING Read This Manual Thoroughly Before Operating, Installing, Or Performing Maintenance On The Equipment.
WARNING Failure To Follow Instructions In This Manual Can Cause Property Damage, Injury Or Death.
WARNING Do Not Store Or Use Gasoline Or Other Flammable Vapors Or Liquids In The Vicinity Of This Or Any Other
Appliance.
WARNING Unless All Cover And Access Panels Are In Place And Properly Secured, Do Not Operate This Equipment.
WARNING This Appliance Is Not Intended For Use By Persons Who Lack Experience Or Knowledge, Unless They Have
Been Given Supervision Or Instruction Concerning Use Of The Appliance By A Person Responsible For Their
Safety.
WARNING This Appliance Is Not To Be Played With.
WARNING Do Not Clean With Water Jet.
WARNING Do Not Use Electrical Appliances Inside The Food Storage Compartment Of This Appliance.
CAUTION Observe the following:
•Minimum clearances must be maintained from all walls and combustible materials.
•Keep the equipment area free and clear of combustible material.
•Allow adequate clearance for air openings.
•Operate equipment only on the type of electricity indicated on the specification plate.
18600 and CTP-NB Series Service and Installation Manual
Receiving And Inspecting The Equipment
Even though most equipment is shipped crated, care should be
taken during unloading so the equipment is not damaged while
being moved into the building.
1. Visually inspect the exterior of the package and skid or
container. Any damage should be noted and reported to
the delivering carrier immediately.
2. If damaged, open and inspect the contents with the
carrier.
3. In the event that the exterior is not damaged, yet upon
opening, there is concealed damage to the equipment
notify the carrier. Notification should be made verbally as
well as in written form.
4. Request an inspection by the shipping company of the
damaged equipment. This should be done within 10 days
from receipt of the equipment.
5. Check the lower portion of the unit to be sure legs or
6. Also open the compressor compartment housing and
7. Freight carriers can supply the necessary damage forms
8. Retain all crating material until an inspection has been
Uncrating the Equipment
First cut and remove the banding from around the crate.
Remove the front of the crate material, use of some tools will
be required. If the unit is on legs remove the top of the crate
and lift the unit off the skid. If the unit is on casters it can be
"rolled" off the skid.
casters are not bent.
visually inspect the refrigeration package. Be sure lines
are secure and base is still intact.
upon request.
made or waived.
3
18600 and CTP-NB Series Service and Installation Manual
Serial Number Information
The serial number on 18600 Series units is located on the
electrical specifications tag affixed inside the compressor
section next to the pressure control.
The serial number on CTP-NB Series units is located on the
front of the unit.
Always have the serial number of your unit available when
calling for parts or service.
Warranty may be deemed invalid if other than
authorized OEM (original equipment manufacture)
replacement parts are used in Delfield equipment.
18600 and CTP-NB Series Service and Installation Manual
CAUTION
Refrigerant Charges
Refrigerant Charges For 18600 Series Units:
18648-PTBM & PTL ..........16 oz. (454g)
18660-PTBM................24 oz. (680g)
18672-PTBM & PTL ..........32 oz. (907g)
18691-PTBM................32 oz. (907g)
18699-PTBM & PTL ..........32 oz. (907g)
186114-PTBM..............48 oz. (1361g)
18648-BUCM & BSTM ........16 oz. (454g)
Refrigerant Charges For CTP-NB Series Units:
CTP8146-NB .................8 oz. (227g)
CTP8160-NB .................8 oz. (227g)
CTP8175-NB ................16 oz. (454g)
Installation
Location
These units are intended for indoor use only. Be sure the location
chosen has a floor strong enough to support the total weight of the
cabinet and contents. A fully loaded 72” long model may weigh as
much as 1200 pounds. Reinforce the floor as necessary to provide
for maximum loading.
For the most efficient refrigeration, be sure to provide good air
circulation inside and out.
Inside cabinet: Do not pack refrigerator so full that air cannot
circulate.
Outside cabinet: Be sure that the unit has access to ample air. Avoid
hot corners and locations near stoves and ovens.
It is recommended that the unit be installed no closer than 1” from
any wall. PDL models also require 14” (36cm) clearance at the top
and 6” (15cm) clearance at the bottom (casters).
18660-BUCM & BSTM ........16 oz. (454g)
18672-BUCM & BSTM ........16 oz. (454g)
18691-BUCM & BSTM ........16 oz. (454g)
18699-BUCM & BSTM ........24 oz. (680g)
186114-BUCM & BSTM .......24 oz. (680g)
18648PDL.................40 oz. (1134g)
18672PDL.................56 oz. (1588g)
Plumbing
Self-contained models are standard with a condensate evaporator. If,
for some reason, a unit does not have a condensate evaporator, or the
evaporator fails, the unit’s drain must have an outlet to an appropriate
drainage area or container.
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.
Electrical connection
Refer to the amperage data, the serial tag, your local code or the
National Electrical Code to be sure the unit is connected to the proper
power source. A protected circuit of the correct voltage and amperage
must be run for con nec tion of the line cord, or permanent connection
to the unit.
Leveling
A level cabinet looks better and will perform better because the drain
pan will drain properly, the doors will line up with the frames properly,
and the cabinet will not be subject to undue strain.
Some models have casters for your convenience, for ease of cleaning
underneath and for mobility. It is important that the unit be installed
in a stable condition with the front casters locked before operating.
The power switch must be turned to OFF and the
unit disconnected from the power source whenever
performing service or maintenance functions.
Never operate the unit without the louvered panel in
place!
Operation: 18600PTBM & PTL Series
18600 and CTP-NB Series Service and Installation Manual
Product should be loaded into the unit with care.
Failure to heed these recommendations could result in
damage to the interior of the cabinet or the blower coil.
This unit is equipped with two ON/OFF switches located behind the
louvered machine compartment panel. The unit’s com pres sor and all
evaporator fans will begin op er at ing when the main power switch is
turned to the ON position. Tem per a ture ranges for the base are 36°F
to 40°F.
The switch labeled rail is for the raised rail. The rail switch is
accessible through a 1.5” diameter hole in the louvered panel.
Turning this switch to the ON position will activate the refrigeration
for the rail. Temperature ranges for the raised rail are 33°F to 41°F.
Product located in the rail must be removed at the end
of day. This allows you to turn the rail off at night to
save energy and the rail will have time to defrost as
needed.
A minimum of one hour of off time per day with the pans removed
from the rail is required to properly defrost the rail.
The power must be turned to OFF and the unit
disconnected from the power source whenever
performing service or maintenance functions.
Never operate the unit without the louvered panel in
place!
All R404A models have a high pressure limiting device. Under
severe overloading conditions, or in the event of a condenser fan
failure or a plugged or blocked condenser, this device may shut
down the refrigeration system. This device will automatically reset,
but determining the cause of the high pressure condition should be
investigated by a qualified refrigeration technician.
Refrigerator Evaporator Fan Operation
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 CycleDefrost Cycle
Compressor OnCompressor OffCompressor Off
Evap Fan OnEvap Fan
Off
X
Evap Fan OnEvap Fan
Off
Cycles On 3-Min, Off
3-Min
Evap Fan OnEvap Fan
Off
X
Operation: 18600BUCM & BSTM Series
After turning the ON/OFF switch to ON, the units compressor will
begin operating. Delfield refrigerated bases are designed to maintain
an operational temperature of 36°F to 40°F.
Product should be loaded into the unit with care.
Failure to heed these recommendations could result in
damage to the interior of the cabinet or the blower coil.
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.
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
2. During the compressor off mode, evaporator fan pulses three
3. During an actual defrost event other than the off-cycle defrost,
simultaneously.
minutes on and three minutes off.
compressor stays off but the evaporator fan runs continuously.
Cooling CycleDefrost Cycle
Compressor OnCompressor OffCompressor Off
Evap Fan OnEvap Fan
Off
X
Evap Fan OnEvap Fan
Off
Cycles On 3-Min, Off
3-Min
Evap Fan OnEvap Fan
X
Off
7
18600 and CTP-NB Series Service and Installation Manual
Operation: 18600PDL Series
Product should be loaded into the unit with care.
Failure to heed these recommendations could result in
damage to the interior of the cabinet or the blower coil.
This unit is equipped with two ON/OFF switches located behind the
louvered machine compartment panel. The unit’s com pres sor and all
evaporator fans will begin op er at ing when the main power switch is
turned to the ON position. Tem per a ture ranges for the base are 36°F
to 40°F (2°C to 4°C).
The switch labeled rail is for the raised rails. The rail switch is
accessible through a 1.5” (3.8cm) diameter hole in the louvered
panel. Turning this switch to the ON position will activate the
refrigeration for the rails. Temperature ranges for the raised rails are
33°F to 41°F (0.5°C to 5°C).
Product located in the rails must be removed at the end
of day. This allows you to turn the rails off at night to save
energy and the rails will have time to defrost as needed.
A minimum of one hour of off time per day with the pans
removed from the rails is required to properly defrost the
rails.
The power must be turned to OFF and the unit
disconnected from the power source whenever
performing service or maintenance functions.
Never operate the unit without the louvered panel in
place!
All R404A models have a high pressure limiting device. Under
severe overloading conditions, or in the event of a condenser fan
failure or a plugged or blocked condenser, this device may shut
down the refrigeration system. This device will automatically reset,
but determining the cause of the high pressure condition should be
investigated by a qualified refrigeration technician.
Refrigerator Evaporator Fan Operation
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 CycleDefrost Cycle
Compressor OnCompressor OffCompressor Off
Evap Fan OnEvap Fan
Off
X
Evap Fan OnEvap Fan
Off
Cycles On 3-Min, Off
3-Min
Evap Fan OnEvap Fan
Off
X
Operation: CTP-NB Series
The unit is equipped with one ON/OFF switch located on the right
end of the unit. The unit’s com pres sor will begin op er at ing when
this switch is turned to the ON position. Tem per a ture ranges for the
rail are 33°F to 41°F.
Product located in the rail must be removed at the
end of day. This allows you to turn the rail OFF at
night to save energy and the rail will have time to
defrost as needed.
A minimum of one hour of off time per day with the pans removed
from the rail is required to properly defrost the rail.
The power switch must be turned to OFF and the
unit disconnected from the power source whenever
performing service or maintenance functions.
Never operate the unit without the louvered panel in
place!
Pressure Control Settings
The factory recommended low-pressure control settings
for 18600PTBM’s are: 55psi cut-in and 30psi cut-out
to maintain proper temperature for product in the rail.
The interior temperature is controlled by the thermostat
mounted in the mechanical compartment.
The factory recommended low-pressure control settings
for 18600PTL’s are: 20psi (1.38bar) cut-in and 10psi
(0.70bar) cut-out. The base and rail temperatures are
controlled by the thermostats mounted in the machine
compartment.
A pressure control is located in the machine compartment.
An adjustable control has the word COLDER on the knob,
with an arrow to indicate the adjustment direction. These
controls are field adjustable and do not require a service
agent.
In attempting to adjust the pressure control,
you can do damage to your unit by accidentally
adjusting the differential. Please make small
incremental adjustments if a temperature
adjustment is necessary. It may take an hour
or longer to realize the temperature change
depending on the application and location of the
unit.
Please contact the service department at Delfield
(800) 733-8829 or your local service agent.
Delfield is not responsible for charges incurred
while having the pressure control adjusted.
18600 and CTP-NB Series Service and Installation Manual
Temperature Control Settings
A thermostat controls temperature in the 18600PTBM base,
18600PTL base, 18600PTL rail, BUCM, BSTM, 18600PDL
base and 18600PDL rail.
Thermostats are located in the machine compartment. They
are field adjustable and do not require a service agent. The
factory setting is 2.5. Set toward 1 for higher temperatures
and toward 7 for lower temperatures.
Please make small incremental adjustments if
a temperature adjustment is necessary. It may
take an hour or longer to realize the temperature
change depending on the application and location
of the unit.
Contact the service department at Delfield +1
(989) 773-7981 or your local service agent
for additional assistance. Delfield is not
responsible for charges incurred while adjusting
the thermostat.
9
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