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Old 06-28-2021, 02:18 PM   #1
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Wink ISO Carrier EM-1 Wiring Diagram / Schematic

howdy! we've got a 2004 e450 starcraft allstar shuttle bus with the carrier EM-1 AC in the back. a wire or two was disconnected from the RCT circuit board installed by starcraft and i cant seem to get the thing to turn on (cooler). I have found 2 separate manuals, of which gives very very very small amount of voltage diagnosis but its not enough! I am looking for the wiring diagram for the Carrier-EM1 or any similar carrier AC system with the 0 1 2 3 4 speed setting : ) if you also have experience working with these and want to help me out that would be nice too : )

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Old 06-28-2021, 02:49 PM   #2
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Originally Posted by gollum View Post
howdy! we've got a 2004 e450 starcraft allstar shuttle bus with the carrier EM-1 AC in the back. a wire or two was disconnected from the RCT circuit board installed by starcraft and i cant seem to get the thing to turn on (cooler). I have found 2 separate manuals, of which gives very very very small amount of voltage diagnosis but its not enough! I am looking for the wiring diagram for the Carrier-EM1 or any similar carrier AC system with the 0 1 2 3 4 speed setting : ) if you also have experience working with these and want to help me out that would be nice too : )

found it online!
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Old 06-28-2021, 04:44 PM   #3
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Year: 1991
Coachwork: Carpenter
Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
its possible to wire these so that the inside fans wont turn on unless the pressure switch is good.. many of these are Tie-in to the dashboard A/C on a Van-bus.. so the dash A/C has to be on and working before the rear unit will turn on and blow cold.. if under the hood you only have 1 compressor then this is likely the case
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Old 10-08-2021, 04:29 PM   #4
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Resistor & One Diode valves

I need a big help. Can anyone have the values of these two items on figure 5-3 Resistor s and one way diode on the condenser blowers. I do appreciate for your help. Thank you.
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Old 10-08-2021, 04:35 PM   #5
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Resistor & Diode Values

Can anyone tell me the values of these items on figure 5-3.
Before the condenser blowers. Thank you.
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