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Refrigeration manuals and operating instructions
Frigoboat Installation and Instruction Manual (Rev 39, Feb 2019)
Standard manual explaining how to install a Frigoboat refrigeration system and giving basic instruction with troubleshooting pointers. Updated periodically as new information is received from the field by users and owners.
Bending instructions for Frigoboat's F-type (flat) evaporators
How to bend a flat aluminum evaporator plate into a "U" or "L" shape to custom fit into an ice box. Also available in Section 6 of the Frigoboat Installation and Instruction Manual above.
Coastal MK3 Digital Thermostat with Fault LED Instructions
Installation and operation instructions for the Coastal MK3 digital thermostat
Coastal MK II Digital Thermostat Instructions
Installation and operation instructions for the Coastal MKii digital thermostat. discontinued
Danfoss Compressor LED Fault Indicator Flash Descriptions
Diagnostic LED tool, when compressor stops for fault reason, will flash 1-2-3-4 or 5 times to indicate which fault occurred.
Guardian Temperature and Speed Control Adjustment and Operations
Installation and operation instructions for the Guardian compressor speed controller with digital thermostat. discontinued
Merlin II Smart Speed Controller Instructions
The Merlin II mini smart speed control,with LED fault indicator light, installation and operating instructions.
Merlin Smart Speed Controller (obsolete) - Instructions
The original Merlin mini smart speed control installation and operating instructions.
Carel IR-V Thermostat - Wiring, Operation and Adjustment
Carel digital thermostat installation and operating instructions, specifcally as used on Frigoboat systems.
Smart Speed Control (obsolete) - General Operating Instructions
The original Smart Speed Control (SSC) installation and operating instructions. This excellent product is no longer available. The replacement product, Merlin II uses the same performance algorithms, but does not have the mounted display. See wiring diagram below.
Wiring Diagrams
AC-DC Controller Wiring (Frigoboat p/n E52530, Danfoss p/n 101N0500)
AC-DC Power Converter 12V Wiring discontinued
AC-DC Power Converter 24V Wiring discontinued
Guardian Temperature and Speed Control Device, newer model with 5-wires, installation and wiring diagram. discontinued
Guardian Temperature and Speed Control Device, older model with 7-wires, installation and wiring diagram. discontinued
Thermostat (digital and mechanical) to compressor's Control Module, wiring diagram
Merlin II, mini Smart Speed Control
SSC (Smart Speed Control) wiring diagram: Mechanical, Carel, 3-button Coastal thermostats
SSC (Smart Speed Control) wiring diagram: Mechanical, Carel, 5-button Coastal thermostats
W35/W50 - Pump and Thermostat Wiring Directions, with pump interface
W35/W50 - Pump and Thermostat Wiring Directions, with pump relay, two-three systems, one pump
Installation Instructions for Add-ons
Adding a Keel Cooler to a Frigoboat Air or Water-Cooled System
Adding an Air-Add-On Condenser to a Frigoboat Keel-Cooled (K35 or K50) System
Adding an Air-Add-On Condenser to a Frigoboat Water-Cooled (W35 or W50) System
Lid Kit for 340H or 250H Frigoboat Evaporator, Installation Instructions
Spillover Fan, Digital Thermostat Installation Instructions
Spillover Fan, Mechanical Thermostat Installation Instructions