Farrar Scientific 4000M Series Manual de usuario
4000 Series
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4000M Series
23 cubic feet/659 liters
CONTROLLED RATE UPRIGHT FREEZER
-80C TO +40C
4000 Series
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4000 Series
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Read This Instruction Manual.
Failure to read, understand and follow the instructions in this manual may result in damage to the unit,
injury to operating personnel, and poor equipment performance.
CAUTION! All internal adjustments and maintenance must be performed by qualified service
personnel.
When plugged in, there is high voltage present on terminals inside the machine space. Proper care
must be taken if the side panel is removed to perform any kind of maintenance.
The material in this manual is for information purposes only. The contents and the product it describes are
subject to change without notice. Farrar Scientific makes no representations or warranties with respect to
this manual. In no event shall Farrar Scientific be held liable for any damages, direct or incidental, arising
out of or related to the use of this manual.
Important operating and/or maintenance instructions. Read the accompanying text carefully.
Equipment being maintained or serviced must be turned off and locked off to prevent possible injury
Always dissipate high or low temperatures, especially inside of the control space
before performing any maintenance on the unit.
Always use the proper protective equipment (clothing, gloves, goggles, etc.)
Always dissipate extreme cold or heat and wear protective clothing.
Always follow good hygiene practices.
Each individual is responsible for his or her own safety.
4000 Series
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4000 Series
Rate Chamber Instruction Manual
Contents
1. Receiving
2. Introduction
3. Specifications
4. Setup/ Installation
5. Control System
6. Operation
7. Modifying or Creating a Profile
8. Sensor Validation
9. Options
10. Trouble shooting
11. General Maintenance
12. Factory Default Watlow Settings
4000 Series
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1.0
Receiving
1.1
Preliminary Inspection
This item was thoroughly inspected and carefully packed prior to shipment and all necessary
precautions were taken to ensure safe arrival. Immediately upon receipt, before the unit is moved from
the receiving area, carefully examine the shipment for loss or damage. Unpack the shipment and
inspect both interior and exterior for any in-transit damage.
1.2
Visible Loss or Damage
If any loss or damage is discovered, note any discrepancies on the delivery receipt and call the
delivering carrier and request that their representative perform an inspection. Do not discard any of
the packing material and do not move the shipment from the receiving area.
1.3
Responsibility for Shipping Damage
For products shipped F.O.B. Marietta, Ohio, the responsibility of Farrar Scientific ends when the
merchandise is loaded onto the carrier's vehicle. On F.O.B. Destination shipments, Farrar Scientific’s
and the carrier's responsibility ends when your Receiving Department personnel sign a free and clear
delivery receipt.
2.0 Introduction:
The 4000 Series Farrar Scientific controlled rate freezer is designed to freeze or thaw product
quickly or at a controlled rate. The controlled rate freezer operates using specific ramp and soak
profiles tailored to the customer product requirements. The controller can be configured to ramp down
and up in temperature and hold the set temperature for a specified time. The unit incorporates scroll
refrigeration compressors, hot gas and electric resistance heaters to maintain temperature control.
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3.0
Specifications:
a.
Size External: 75”W x 38”F-B x 80”H (190.2 x 96 x 2029 cm)
b.
Material External: Galvanized steel painted with Powdura Hybrid powder
coat. Color: beige.
c.
Size Internal: 34”W x 27”F-B x 43”H (86.4 x 69.8 x 109 cm)
d.
This product is for Indoor Use Only.
e.
Material Internal: 304 Stainless Steel, including ducts, plenum and shelves.
f.
Inner door frame gasket: PVC
g.
Outer door frame gasket: Silicon
h.
Door interior panel: Galvanized steel painted with Powdura Hybrid powder coat. Color:
Beige
i.
Control enclosure: Cold rolled steel, stainless steel, aluminum powder coated
black, drain tube stainless. Evaporator fan motor mount aluminum.
j.
Net weight: 1010 lbs. (458kg)
k.
Shipping weight: 1597 lbs. (724.4kg)
l.
Internal air exchanges: 1/second
m.
Temp range: +40C to -80C
n.
Ambient Temperature Range: +18C to +30C
o.
Ambient Humidity: Less than 75% RH.
p.
Control Watlow: PM 8 ramp and soak controller
q.
Control method: Proportional hot gas and resistance heat
r.
Refrigeration: Cascade scroll compressors 5hp and 3.5hp
s.
Heat: 2600 Watts
t.
Shelves: Quantity 2, adjustable on .595” centers plus bottom of chamber
u.
Power requirement- North America: 208-230 Volt, 3 phase, 31 amps, 40 amp
circuit required. Maximum mains supply fluctuation +/- 10%. Hubbell Locking
Plug, Hubbell part number: CS8365C 50A rated, 250VAC, 3P4W. Requires
Receptacle Hubbell part number: CS8369.
v.
Power requirement- Europe 400 Volt, 3 phase, wye connected, 24 amps. 30
amp fuses required. Maximum mains supply fluctuation +/- 10%. IEC 60309
(6H) 30 Amp 200/415V receptacle required.
w.
This unit is Overvoltage Category II
x.
This unit is Pollution degree 2
y.
Thermal room load:
Air cooled system: 36,860 BTU/Hr/11KWmaximum during chamber warm
up (maximum)
Water cooled system: 1706BTU/0.5KW (maximum)
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z.
Drain: External with heated evaporator pan, powered from the cabinet.
aa.
Water Supply for water cooled condenser model 4102/4105
Tower water at ≤ 85F (29.5C) and ≥ 20 psi differential (1.38 Bar):
Water flow rate at maximum load = 7.0 gpm (26.5 liters/ min)
Water flow rate at average load = 4.5 gpm (15.0 liters/ min)
Chilled water at ≤ 50F (10C) and ≥ 20 psi differential (1.38 Bar):
Water flow rate at maximum load = 3.5 gpm (13.3 liters/ min)
Water flow rate at average load = 2.0 gpm (7.6 liters/ min)
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4.0
Setup/ Installation:
1.
Note: The receptacle for this unit must be positioned such that this unit can be rolled on its
casters to achieve the following receptacle spacing: At least a 3 foot clearance in front of
the receptacle, with a 30” wide working space, and headroom at least the height of the
equipment.
2.
Roll the unit into place near the required power connection. Allow for 6” (15.3 cm) of
clearance from the back and sides for air flow and door opening clearance. If lifting the unit,
place lift forks under center of enclosure.
3.
Remove the foam wrapped (2) shelves (10) shelf clips and the evaporator pan from the unit
interior and unwrap.
4.
Remove the (4) spring feet from the packaging and install on the evaporator (4) bottom
projections of the evaporator pan (small end first). (see photo below)
5.
Condensate drain p-trap tubing.
Spring Feet
End to be inserted into
cabinet drain connector.
See next instruction
Condensate outlet
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Press the condensate drain p-trap into the right- angle cabinet drain connector under the
cabinet until it bottoms out. Pivot p-trap drain end up. Place the evaporator pan under the
drain outlet and pivot the p-trap down into the evaporator pan. (see photo below)
6.
Connect the supplied electrical cord to the evaporator pan receptacle and plug the other end
in to the dedicated receptacle on the rear of the cabinet. (see photo below)
Cabinet drain
connector
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7.
Install (4) shelf clips in the duct sheet for each shelf (2) front and (2) in rear at the
desired height. Spacing is approximately 0.5” (1.3 cm) for each shelf.
8.
Place the shelves on the clips with the down flange facing the door opening. (see
photo below)
Shelf down flange
Shelf Clip
Este manual sirve para los siguientes modelos
4
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