Hi 
These control boxes are fitted to ambos and buses that are modified in Australia by various conversion companies. They seem to use some designs that continued to be used over some years. As the original manufacturers have now gone or been taken over the information of what they do and how they work is hard to find. I thought it might be useful to put some information on here for a reference. I was helping Huski find a problem with his ex-ambo and he found some CrispAir information and a circuit diagram in his ex ambo van glove box. Please feel free to supply any information you have, that might be useful to other owners. It would be helpful if the year and model was included to identify the van.
I have a 2000 312D long wheel base bus. It was originally bought as part of a large fleet for the Sydney Olympic games for disabled transport and then sold. Many have been converted to campers. Some were also 313 models I believe. Mine has an aftermarket dual air conditioner fitted by CrispAir and a Quicki side step. It also had a wheel chair lifter.
The air conditioner is controlled by the original Merc switches for the dash outlets but the rear high outlets have an auxiliary switch unit on the dash. The compressor is supplied and fitted by CrispAir and the condenser is under the drivers side of the van with three electric fans and there is a control box fitted to the passenger seat base with quite a few fuses and relays all labeled in the circuit diagram as clearly the a/c . So if you had a failure, then looking at the Merc wiring diagrams would not be useful As you can see there are fuses in the control box.
My control box below looks to have a circuit board that is similar to the circuit diagram that Huski found. Labeled made by Emergency Light and Sound, Manufactured by Impart Special Products. Part no ELS 103F Code 0200jb. Control box Sprinter , 12V. The circuit diagram is a slightly later update, 2003.
Jaahn
These control boxes are fitted to ambos and buses that are modified in Australia by various conversion companies. They seem to use some designs that continued to be used over some years. As the original manufacturers have now gone or been taken over the information of what they do and how they work is hard to find. I thought it might be useful to put some information on here for a reference. I was helping Huski find a problem with his ex-ambo and he found some CrispAir information and a circuit diagram in his ex ambo van glove box. Please feel free to supply any information you have, that might be useful to other owners.
It would be helpful if the year and model was included to identify the van.I have a 2000 312D long wheel base bus. It was originally bought as part of a large fleet for the Sydney Olympic games for disabled transport and then sold. Many have been converted to campers. Some were also 313 models I believe. Mine has an aftermarket dual air conditioner fitted by CrispAir and a Quicki side step. It also had a wheel chair lifter.
The air conditioner is controlled by the original Merc switches for the dash outlets but the rear high outlets have an auxiliary switch unit on the dash. The compressor is supplied and fitted by CrispAir and the condenser is under the drivers side of the van with three electric fans and there is a control box fitted to the passenger seat base with quite a few fuses and relays all labeled in the circuit diagram as clearly the a/c . So if you had a failure, then looking at the Merc wiring diagrams would not be useful As you can see there are fuses in the control box.
My control box below looks to have a circuit board that is similar to the circuit diagram that Huski found. Labeled made by Emergency Light and Sound, Manufactured by Impart Special Products. Part no ELS 103F Code 0200jb. Control box Sprinter , 12V. The circuit diagram is a slightly later update, 2003.
Jaahn
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