Hi, We spend long periods away from campsites & hook-ups so I need to know the longevity of our support systems. In the Murvi we have 2 x 110 amp leisure batteries. 85 watt
solar panel. 10Kilo fixed LPG tank. [10 Kilo of LPG is about 20 litres]. 20 gallon vehicle fuel tank.
4 burner hob & grill. Webasto 102 7 KW heating system. Domestic 97 Litre fridge / freezer.
Cooker - 2 burners on low use about 1 litre per hour. Burners on about 40 mins per day.
Fridge – medium setting uses .260 grammes per 24 hours. We put ours on one hour after parking up – average 10 hours per day.
Webasto heating system runs off the vehicle fuel tank.
The following is from the handbooks & our experience. Hope it helps.
WEBASTO DualTop RHA-102 7Kw DIESEL HEATING SYSTEM
USAGE PER DAY
.250 Litre per hour = .75 Litre per day [ On for 3 hours per day ]
.75 Litre Per Day = 1 Gallon of Diesel will last 7 Days
L.P.G. CONSUMPTION = 10.0 Kg TANK
COOKER = GRILL or 2 RINGS = .60 Litre per Hour
USAGE PER DAY
.40 litre per Day [On for 40 mins a Day ]
FRIDGE = 1litre every 80 hours on No 2 setting
USAGE PER DAY
.010 Litre per hour [on for 10 hours a day = .10 Litres ]
Total Gas consumtion = .50 Litres Per Day
.50 Litres Per Day = 10.0Kg of Propane [20 litre] will last 35/40 Days
BATTERY CONSUMPTION = 2 x 110 Amp Batteries
WEBASTO = 3.0 Amps Per Hour, Low = 2 Hours a Day
WEBASTO = 5.0 Amps Per Hour, High = .5 Hours a Day
WEBASTO = 8.5 Amps Per Hour, Boost = .25 Hour a Day
WATER PUMP = 4.2. Amps Per Hour = 0.2 Hours Per Day
LIGHTS x 3 = 2 Amps Per Hour = 3 Hours Per Day
CONSUMPTION PER 24 HOURS = 15 Amps Per Day
15 Amps Per Day. = 110 Amp
Battery will last 5.5 Days
2 x 110 Amp Batteries = 15 Days minimum
2 x 110 Amp Batteries = 24 Days with 85 W.
Solar Panel
When static.
Dezi