Load
Review how the Thetford T2090C Compressor Fridge connects, how it operates and which installation requirements apply to this model.
Open this example as a new project. Use your own parts and cable lengths to make the plan yours.
Running/startup current is unpublished in the installation guide; 0.34 kWh/day is not instantaneous draw. Stocko power and optional CI-bus require the separate documented pin map, including unconnected CI ground.
Running/startup current is unpublished in the installation guide; 0.34 kWh/day is not instantaneous draw. Stocko power and optional CI-bus require the separate documented pin map, including unconnected CI ground.
Wiring diagram
Open this example in Crimp to use your own parts and cable lengths. Review the assumptions and installation notes as you adapt the circuit.
Manufacturer 15 A near source; 2.5 mm² for length below 2.5 m in the manual table. Preserve Stocko pin 1 red positive / pin 2 white return. CI-bus ground stays unconnected; do not derive running current from daily energy. Manufacturer installation manual
Edit this connection overviewInstallation notes
Guidance for this model, with sources linked beside the relevant advice.
Verified against the manufacturer's documentation (rev. T2000 installation manual 692277, 0624-V05, June 2024), checked 2026-10-01. Manufacturer documentation →
This is the T2090C touchscreen compressor refrigerator in the T2000 installation manual. The model table, page 7, gives a 0.34 kWh/24 h laboratory energy figure under its stated ISO test conditions. It does not publish a running or startup current for this entry. Converting that daily energy to a constant current would understate compressor wiring requirements, so the current field remains unknown.
The connector table, page 8, identifies the Stocko VV2041 power connector: pin 1 is red positive and pin 2 is white negative. Its separate Molex CI-bus connector has pin 1 white data and pin 2 white/blue ground. The catalog marks the latter as leave open, because the electrical instructions on page 21 explicitly prohibit connecting the CI-bus ground. Appliance and master instead share the main supply ground as instructed; the CI contacts must not become power rails.
Protect the positive feed with 15 A near the source. The page 8 table specifies 2.5 mm² for cable length below 2.5 m, 4 mm² below 4 m, or 6 mm² below 6 m. Maintain 10.4–16 V at the refrigerator. Follow the manual's length convention and retain service slack; do not replace these requirements with a wire size derived from the daily energy test.
The ventilation diagram, page 14, specifies the T2090C's bottom, rear and upper clearances. Keep its airflow route open. The extra side-vent requirement for T2090E is a different model instruction. Page 21 also calls for house-battery supply, storage isolation and the applicable CI-bus master protection.
Check the power connector cavities and polarity before energising, then measure loaded voltage, test cooling and verify the controls. Leave optional CI-bus wiring disconnected unless its complete master installation is verified. The detail page provides a connector and installation overview because neither a complete running-current specification nor a universal control topology is established by this manual.
Build it out
Add T2090C to your diagram, then connect your batteries, chargers and loads. Crimp calculates cable sizes and checks the connections as you draw.
Every cable you draw there is sized against ABYC E-11, from the same tables as the reference on this page.
Technical reference
Check the model, ratings and connection points against your own unit before choosing installation hardware.
Check stud sizes, fuse type, run length and how warm the space gets against the gear you actually have before you order.
Catalog connection points, current direction and planning limits. Check the manufacturer's pinout and connector ratings before installation.
Power 1 / red +
pos
positive · input
Power 2 / white −
neg
negative · input
CI 1 / data
ci-data
signal · bidi
CI 2 / leave open
ci-unused
signal · bidi
A dash means a current rating is not specified here.
Method & provenance
Manufacturer specifications describe the equipment. Crimp calculates cable results from the circuit and assumptions you enter.
From the maker
Manufacturer, model, ratings and which terminal does what come from the catalog. A newer revision, or the nameplate on the unit in your hand, can say something different — when it does, the nameplate wins.
ABYC E-11
Sized against ABYC E-11 — the US reference, and what Transport Canada accepts as an alternative to TP 1332 for pleasure craft under 24 m. The run length and the current above are what drive the result. Crimp doesn't know how warm your space gets; draw the cable inside an engine-bay zone on the canvas and it sizes for the heat.
Next step
Open this example as a new project. Add your equipment and cable lengths, then review the sizing and checks for your setup.