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Welcome to Follett Products LLC
Follett Products equipment enjoys a well-deserved reputation for excellent performance, long-term reliability and
outstanding after-the-sale support. To ensure that this equipment delivers that same degree of service, review this
guide carefully before you begin your installation.
Should you need technical help, please call our Technical Service group at (877) 612-5086 or (610) 252-7301.
Please have your model number, serial number and complete and detailed explanation of the problem when
contacting Technical Service.
Getting Started
After uncrating and removing all packing material, inspect the equipment for concealed shipping damage. All freight
is to be inspected upon delivery. If visible signs of damage exist, please refuse delivery or sign your delivery receipt
"damaged." Follett Customer Service must be notified within 48 hours. Wherever possible, please include detailed
photos of the damage with the original packaging so that we may start the freight claim process.
801 Church Lane • Easton, PA 18040, USA
Toll free (877) 612-5086 • +1 (610) 252-7301
www.folletticehealthcare.com
Installation, Operation and Service Manual
FZR20i/25i – 4S
FZR20i/25i – PL
Order parts online:
www.follettice.com
01568237R00
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Summary of Contents for Follett FZR20i-4S
- Page 1 If visible signs of damage exist, please refuse delivery or sign your delivery receipt “damaged.” Follett Customer Service must be notified within 48 hours. Wherever possible, please include detailed photos of the damage with the original packaging so that we may start the freight claim process.
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Page 2: Preliminary Information
Preliminary Information Caution Symbols Warning: Flammable Refrigerant Caution: Risk of danger to operator or harm to equipment. Refer to manual. DANGER § Risk of fire or explosion. Flammable refrigerant used. Before attempting to install or service this product, all safety precautions must be followed. CAUTION! –... -
Page 3: General Information
§ In the refrigerator compartment, put stored items on the shelves and do not let them contact the wall. Check your paperwork to determine which configuration you have. Follett configuration numbers are designed to provide information about the type of refrigerator you are receiving. - Page 4 The system uses a thermostatic expansion valve (TXV) metering device and is critically charged. Access fittings are not provided. Temporary piercing valves are required to work on the refrigeration system. Follett recommends that if hoses are ever connected to the refrigeration system for service, the refrigerant should be recovered, permanent access valves should be installed and the system evacuated, and recharged by weighing in the correct refrigerant charge (refrigerant R290, 2.8 oz (80g)).
- Page 5 Detail drawing Required Clearances 1.0" (2.5 cm) for power cord; 2.0" (2.5 cm) if 10.0" outlet directly (25.4cm) behind unit 76.75" (195cm) 79.5" (202cm) 29.75" FZR20i (76cm) 30.5" (78cm) FZR25i 36.5" (93cm) FZR20i/25i 4S, PL...
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Page 6: Installation
Installation DANGER • Do not tilt any unit further than 30° off vertical during uncrating or installation • Refrigeration module area contains mechanical, moving parts. Keep hands and arms clear of this area at all times. If access to this area is required, power to unit must be disconnected first. - Page 7 § NSF 456 requires the temperature display probe (P4-RTD1 in FZR20i and FZR25i models) to be replaced or recalibrated. Follett recommends replacement/recalibration 12 months from the original date of calibration on the Certificate of Traceability supplied with your equipment at the time of purchase.
- Page 8 Alarm Output (optional) The alarm output is a 12 Vdc signal that is turned ON when an alarm is activated. Connection is provided by a 2-circuit JST connector on the back of the control panel labelled ALARM. Two connection options: §...
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Page 9: Controller Operation
Fig. 8 3. Remove front left and right return louver screws to uncover access port (Fig. 8). 4. Route probe wire down either side channel in cabinet. 5. If desired, apply extra permagum at interior access port for additional seal. 6. Reinstall louver screws. ACCESS PORT LOUVER SCREWS SIDE CHANNEL... -
Page 10: Home Screen
Home screen Fig. 9 The Home Screen consists of three primary information areas: the temperature display, control function display zone and system status display. Control Functions System Status Functions and Settings Settings Compressor is running USB download available (downloading when blinking) Alarming Evaporator fan is running Refrigeration set points... - Page 11 Help Fig. 13 § Help is available at any time by touching the icon at the bottom of the screen. § Help is screen-specific; touching the icon will display an explanation of the functionality and use of the screen you are currently viewing. §...
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Page 12: Door Switch
High/Low Alarm § This unit is equipped with a High and Low Temperature alarm that will give an audible and visual alarm immediately after the top probe falls out of range. The alarm will reappear every 10 minutes until the condition falls back into range. -
Page 13: Probe Calibration
Time/Date stamp. Probe calibration § NSF 456 requires the temperature display probe (P4) to be replaced or recalibrated. Follett recommends replacement/recalibration 12 months from the original date of calibration on the Certificate of Traceability supplied with your equipment at the time of purchase. Recalibration or purchasing a new calibrated probe is not covered by the original equipment warranty. -
Page 14: Information Logs
Fig. 19 Information Logs 38.4 F § All available graphs, data logs and event logs are accessed through the HIGH 41.5 F Information Logs function. The home screen in the Information Logs 35.1 F section displays the product (P4) temperature graph with one week’s + Zoom in (1 - 10) - Zoom out... - Page 15 Download data reminder can be found in the advanced setting under Data duration and can be set from 1 to 180 days. Follett Keypad Lock – (Optional) Fig. 24 For units equipped with the electronic lock accessory option, a keypad will 38.4 F...
- Page 16 Changing and Adding the User Codes Fig. 25 1. Touch Settings icon. 38.4 F 1. Touch Advanced Settings, enter your 4-digit user access code Sleep Function Display Setup (cont) Sleep Timer (factory default is 1 1 1 1) in the keypad that appears, and touch Screen Saver Function temperature the checkmark icon...
- Page 17 C is included with your refrigerator. If you have changed your display to show temperatures in F, you will need different charts. Please call Follett at (877) 612-5086 or +1 (610) 523-9361 to order part number 00967729.
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Page 18: Removing Slides
CAUTION Risk of hazard if non-rechargeable or otherwise improper battery is installed § in the system. If battery maintenance is required, use only appropriate Follett-authorized § service part or compatible SLA AGM 12 V 1.2Ah battery. FZR20i/25i 4S, PL... -
Page 19: Interior Cleaning
Cleaning Fig. 30 Use non chlorine-based cleaners. Cleaners containing chlorine can cause staining and pitting of the stainless steel. Disconnect power to unit by turning the power switch off, located on the upper front facade panel, and removing the power cord from the receptacle. Interior cleaning Using a sponge or soft cloth, clean unit with a non-abrasive, non- chlorinated, all-purpose detergent. - Page 20 Annual cleaning Fig. 32 Removal of dust and other particulates from air intake areas and the condenser is important for proper operation. Environments with large amounts of dust may require more frequent cleaning. 1. Disconnect power to unit by turning power switch off (located on upper front facade panel) and removing power cord from receptacle.
- Page 21 Folletts Patented P.I.D. Controller Folletts patented P.I.D. controller allows the control system to modulate the RPMs of the compressor and condenser fan according to cabinet requirements. The evaporator fan runs at a consistent RPM value during cooling system operation. Proportional Control Operation - Primary As the return air (P1 probe) reading rises above the set point value, the compressor and condenser fan RPMs increase to provide additional cooling capacity.
- Page 22 DOOR HTR FASCIA HEATER 100w P24G P24V L1-SW FZR20i/25i 4S, PL...
- Page 23 Facade removal CAUTION The following terminals are hazardous live: § – PWR IN – Inverter/Comp – Defrost Heater – Door Heater – (45) Door Heater Fig. 33 1. Locate the façade door to the right of the controller display. Press and release the lower left corner of the façade door to open.
- Page 24 7. Slide the façade hinge towards the rear of the cabinet allowing the Fig. 35 hinge pin to slide within the groove until the top male bayonet pin rests on the top of the electrical control box (Fig. 33). 8. Continue sliding front façade towards back of cabinet, until it rests entirely on top of unit.
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Page 25: Controller Replacement
Controller replacement CAUTION • Controller board is susceptible to electrostatic discharge. Extreme care should be exercised by using a grounding strap when handling and installing control board. Fig. 37 1. Turn off power to unit and unplug. 2. Disconnect electrical plugs and remove facade. 3. - Page 26 Slide-out unit cooler Fig. 39 Follett’s slide-out refrigeration system allows technicians to remove the entire unit from the refrigerator top. 1. If necessary remove facade and upper side panels. 2. Remove four bolts securing unit cooler to refrigerator top (Fig. 35).
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Page 27: Refrigeration System
Refrigeration System EVAPORATOR HIGH PRESSURE VAPOR CAPILLARY TUBE CONDENSER COMPRESSOR HIGH PRESSURE LIQUID LOW PRESSURE LIQUID LOW PRESSURE VAPOR FILTER-DRIER Advanced Setting - touchscreen FZR20i/25i 4S, PL... - Page 28 FZR20i/25i 4S, PL...
- Page 29 Parameter Default Value Range Description Set Time and Date Time 7:45 0 to 12 Holds Hour AM/PM AM, PM Holds AM/PM Month 1 to 12 Month 1 to 31 Year 2013 2010 to 2099 Year System Information Serial Number E12345 —...
- Page 30 Parameter Default Value Range Description Alarm Setup Alarm 1 Delay 1 minute 0 to 60 minutes Alarm1 delay before sounding. Alarm 1 Function No, rA, disabled Defines the action when Alarm 1 is activated. Display only (No), Display and Remote Alarm (rA), No action (disabled).
- Page 31 Parameter Default Value Range Description Data log Sample Rate 15 minutes 0 to 360 minutes minutes between data sampling. 0 = Off Data Duration 90 days 1 to 180 days Duration to keep data log. Data Storage Yes, No Overwrite circular data? Overwrite Data Full Alarm Yes, No...
- Page 32 Parameter Default Value Range Description Graphing X Axis Range 168 hours 1 to 384 hours Time span for x-axis (hrs) Y Axis Minimum –1 C (30 F) –46 to 121 C (–50 to 250 F) Minimum temperature shown on graph Y Axis Maximum 27 C (80 F) –46 to 121 C (–50 to 250 F)
- Page 33 Parameter Default Value Range Description Software Reset Yes, No Set to Yes to reset all parameters back to factory default. Does not change keypad codes. Change Adv Change Change the digit code used to access the advanced Settings Code settings menu. Download Log Downloads system log to a USB drive.
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Page 34: Replacement Parts
Replacement parts Unit cooler (Embraco - Black Evaporator Cover) Reference Description Part # Not shown Gasket, unit cooler 00912980 Not shown Probe, NTC, air return/evaporator 01552496 Cooling module, Infinity Series freezer, includes mounting bolts and gasket 01552124 Not shown Evaporator fan, 24 Vdc, variable speed 01539733 Condenser fan, 24 Vdc, variable speed 01552546... - Page 35 Facade Reference Description Part # Complete facade/control box assembly, without chart recorder 01564574 Not shown Complete facade/control box assembly, with chart recorder 01564566 Infinity Series Touchscreen display 01564558 Not shown Power switch 207360 Power supply (LEDs, condenser fan, evaporator fan), 100W, 24 Vdc output 01552215 Infinity Series control board 01564541...
- Page 36 Reference Description Part # RTD board (BB models only) 01143965 Not shown Shell, upper side, FZR25i 00940098 Not shown Shell, upper side, FZR20i 00925933 Not shown Top ventilated cover 01519040 Not shown Back support 00991695 Not shown Harness, RTD probe, JST connectors, board-to-panel 01529098 Not shown Harness, NTC probe, board-to-panel...
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Page 37: Door Assembly
Door assembly Reference Description Part # Not shown Door gasket, solid door 00960344 Not shown Door gasket, glass door 00945345 Not shown Glass door, non-heated, left-hand hinge 00939876 Not shown Glass door, heated, left-hand hinge 00939991 Not shown Solid door, left-hand hinge 00996611 Not shown Glass door, non-heated, right-hand hinge... - Page 38 Molded door handle cap, bottom 00989244 Not shown Seismic anchoring wall bracket 00927194 Not shown Pyxis bracket kit 00927202 Not shown Omnicell bracket kit 00966432 Not shown Electronic lock 01065507 Not shown Electronic lock bracket with screws 01278563 Not shown Electronic lock door bracket 01151547 Not shown...
- Page 39 Warranty Registration and Equipment Evaluation Thank you for purchasing Follett Products LLC equipment. We hope you find that our equipment meets or exceeds your expectations, as our goal is to deliver high value products and services that earn your complete satisfaction!
- Page 40 Please review the enclosed installation and operations manual. It is important that the installation be performed to factory specifications, so your equipment operates to its maximum efficiency. Follett Products LLC will not be liable for any consequential damages, expenses, connecting or disconnecting charges or any losses resulting from a defect of the machine.
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