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Welcome to Follett Products, LLC
Follett 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
Please visit https://www.follettice.com/technicaldocuments
for the Operation and Service manual for your unit
FZR20i/25i – 4S
FZR20i/25i – PL
Installation Guide
Order parts online:
www.follettice.com
01528447R01
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Table of Contents
Related Manuals for Follett FZR20i/25i -4S
Summary of Contents for Follett FZR20i/25i -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 freezer 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 freezer 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 Power the Unit Fig. 5 1. Press lower left corner of front facade door to access power switch inside (Fig. 5.1). Fig. 6 2. Press power switch to turn unit on (Fig. 6.1). 3. FZR20i/25i units are equipped with rechargeable batteries. For units equipped with a chart recorder, the 9 V battery back up must be connected at the time of installation.
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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 freezer. 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, condenser fan, and evaporator fan according to cabinet requirements. 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 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 23 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 24: Wiring Diagram
Wiring diagram DOOR HTR FASCIA HEATER 100w P24G P24V L1-SW FZR20i/25i 4S, PL... -
Page 25: Refrigeration System
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! Please review the enclosed installation and operations manual. - Page 26 FZR20i/25i 4S, PL...
- Page 27 FZR20i/25i 4S, PL...
- Page 28 FOLLETT and FOLLETT HEALTHCARE are registered trademarks of Follett Products, LLC, registered in the US. 801 Church Lane • Easton, PA 18040, USA Toll free (877) 612-5086 • +1 (610) 252-7301 www.folletticehealthcare.com 01528447R01 © Follett Products, LLC 8/24...
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