This document is the instruction manual of SMB05ACP air conditioner, which introduces the operation method, maintenance method and troubleshooting method of the product.
This manual covers the Marvair SMB05ACP 12 Volt DC air conditioner, a self‑contained, water‑cooled unit designed for marine use. It includes safety considerations, routine maintenance, system description, thermostat setup, winterizing procedures, troubleshooting, wiring diagrams, spare parts list and warranty details.
The document guides users through proper installation, operation, and care of the unit, emphasizing safety symbols, correct water flow, filter maintenance, and correct thermostat settings. It also provides step‑by‑step winterization instructions for both in‑water and dry‑dock storage, and a detailed troubleshooting guide for common problems.
| Power supply voltage | 9 V to 17 V DC |
|---|---|
| Minimum water flow | 1.5 GPM (5.69 LPM) at inlet |
| Refrigerant type | R‑134a |
| Cooling method | Self‑contained, water‑cooled |
Turn the seacock valve to the open position, ensure the water pump breaker is on, verify water is being discharged overboard, then adjust the thermostat set points as described.
The unit requires at least 1.5 GPM (5.69 LPM) measured at the inlet.