Anybody Install Genset in AC Evaporater/Heater Compartment??

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Anybody Install Genset in AC Evaporater/Heater Compartment??

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All Messages in Thread	Author	Date
Anybody Install Genset in AC Evaporater/Heater Compartment??	Jay Morrison	8-15-99
I am ready to install my new Onan 7500 Quiet Diesel genset in my 1972 MC-7 conversion. I had planned to install it in the AC condenser compartment, but since the original bus heater coils and ac evaporater have now been taken out, it looks like it might be easier to install it in the evaporator compartment than in the condenser compartment. Looks like more room and more protection from the elements in the evaporator compartment. Has any body installed a similar genset in the evaporator/heater compartment? Thanks for your help. Jay Morrison Lexington, SC
Re: Anybody Install Genset in AC Evaporater/Heater Compartment??	Steve Thornton	9-30-99
I installed a Kohler 9kw diesel genset in a PD4106. It has been running for 14 years or so - about 5000 hours. I ran the exhaust under the coach using 2" galvanized pipe and installed in the same compartment as the genset a hospital rated muffler wrapped in high heat rated insulation, approximately 3" thick, covered in thin aluminum to contain the heat in the exhaust pipe & not radiate out. I ran a ¼" x 3" support plate under the evaporator compartment door and attached it to two 1/2" rods that ran up through the main floor and connected them to a 2"x2"x1/4"x3’ angle to help spread the load to the coach main floor. I modified the genset frame to accommodate ball bearings (5 per side) that run in a 2"x2"x1/4" angle track to allow the genset to be pulled out for service or repair. The exhaust runs from the engine to the exhaust manifold & connects to the exhaust pipe via a stainless steel flexible hose connected to the 2" pipe with a 2" galvanized union. I coated the union threads with anti seize so the threads would not gall. I ran supply & return lines to the main fuel tank & installed a Fram HPG-1 fuel filter on the supply side. I had 2 hydraulic lines, double steel braid, for a supply & return lines (I just replaced them in that they finally started to weep fuel). I hooked the unit up to a Onan remote control that has a hour meter on it to record the run time on the engine. I used the inverter batteries as starting with a (large) solenoid to allow me to use the main bus batteries to start the genset if the inverter batteries are dead or low. Even though most people say not to use deep cycle batteries as start batteries the starter does not pull a great deal of current & I have 5 sets of 2ea. 6 volt golf cart batteries for my inverter system and have not shortened the life of my batteries a whit.
Re: Anybody Install Genset in AC Evaporater/Heater Compartment??	Alan Howard	8-19-99
I am ready to install my new Onan 7500 Quiet Diesel genset in my 1972 MC-7 conversion. I had planned to install it in the AC condenser compartment, but since the original bus heater coils and ac evaporater have now been taken out, it looks like it might be easier to install it in the evaporator compartment than in the condenser compartment. Looks like more room and more protection from the elements in the evaporator compartment. Has any body installed a similar genset in the evaporator/heater compartment? Thanks for your help. Jay Morrison Lexington, SC From what little I profess to know about shock and vibration.its's going to be difficult isolating the vibration in the roof line I guess your generator is 7.5 kw that's about 10hps, vibrating at 3600 herts(cps) assuming it'a a two pole rotor.The weight of the generator and motor about 400lbs.Sure it can be done but have you ever sat inside a old miltary aircraft with just the APU on.Lots of noise But if your rolling down the road with your foot in the pedal and your APU(genset)on then, no one will ever notice. It would be easier to quite it under the bus ,well dampened and enclosed in a fiberglass encloser. p.s. i'am a tech who works R&D on small(3~10 kw) generators.
Re: Anybody Install Genset in AC Evaporater/Heater Compartment??	Alan Howard	8-19-99
I am ready to install my new Onan 7500 Quiet Diesel genset in my 1972 MC-7 conversion. I had planned to install it in the AC condenser compartment, but since the original bus heater coils and ac evaporater have now been taken out, it looks like it might be easier to install it in the evaporator compartment than in the condenser compartment. Looks like more room and more protection from the elements in the evaporator compartment. Has any body installed a similar genset in the evaporator/heater compartment? Thanks for your help. Jay Morrison Lexington, SC From what little I profess to know about shock and vibration.its's going to be difficult isolating the vibration in the roof line I guess your generator is 7.5 kw that's about 10hps, vibrating at 3600 herts(cps) assuming it'a a two pole rotor.The weight of the generator and motor about 400lbs.Sure it can be done but have you ever sat inside a old miltary aircraft with just the APU on.Lots of noise But if your rolling down the road with your foot in the pedal and your APU(genset)on then, no one will ever notice. It would be easier to quite it under the bus ,well dampened and enclosed in a fiberglass encloser. p.s. i'am a tech who works R&D on small(3~10 kw) generators.
Re: Anybody Install Genset in AC Evaporater/Heater Compartment??	Bill	8-26-99
I am ready to install my new Onan 7500 Quiet Diesel genset in my 1972 MC-7 conversion. I had planned to install it in the AC condenser compartment, but since the original bus heater coils and ac evaporater have now been taken out, it looks like it might be easier to install it in the evaporator compartment than in the condenser compartment. Looks like more room and more protection from the elements in the evaporator compartment. Has any body installed a similar genset in the evaporator/heater compartment? Thanks for your help. Jay Morrison Lexington, SC Jay, I used the condenser compartment on a 4108 GM. Designed as a slideout unit. I used three wheels, 3" polyurethane for anti vibration, running in 3" channel iron. With three wheels I can bring the generator engine out for service and leave two wheels inside the channel iron to support the weight. Soundinsulation is required to reduc e the mechanical noise level to the outside (neighbors). Even without sound insulation the noise level inside the coach is minimal. Most diesel gensets run at 1800RPM. If you need more info e-mail direct. Bill N1XRB@aol.com
Re: Anybody Install Genset in AC Evaporater/Heater Compartment??	Steve Thornton	9-30-99
I installed a Kohler 9kw diesel genset in a PD4106. It has been running for 14 years or so - about 5000 hours. I ran the exhaust under the coach using 2" galvanized pipe and installed in the same compartment as the genset a hospital rated muffler wrapped in high heat rated insulation, approximately 3" thick, covered in thin aluminum to contain the heat in the exhaust pipe & not radiate out. I ran a ¼" x 3" support plate under the evaporator compartment door and attached it to two 1/2" rods that ran up through the main floor and connected them to a 2"x2"x1/4"x3’ angle to help spread the load to the coach main floor. I modified the genset frame to accommodate ball bearings (5 per side) that run in a 2"x2"x1/4" angle track to allow the genset to be pulled out for service or repair. The exhaust runs from the engine to the exhaust manifold & connects to the exhaust pipe via a stainless steel flexible hose connected to the 2" pipe with a 2" galvanized union. I coated the union threads with anti seize so the threads would not gall. I ran supply & return lines to the main fuel tank & installed a Fram HPG-1 fuel filter on the supply side. I had 2 hydraulic lines, double steel braid, for a supply & return lines (I just replaced them in that they finally started to weep fuel). I hooked the unit up to a Onan remote control that has a hour meter on it to record the run time on the engine. I used the inverter batteries as starting with a (large) solenoid to allow me to use the main bus batteries to start the genset if the inverter batteries are dead or low. Even though most people say not to use deep cycle batteries as start batteries the starter does not pull a great deal of current & I have 5 sets of 2ea. 6 volt golf cart batteries for my inverter system and have not shortened the life of my batteries a whit.
Re: Anybody Install Genset in AC Evaporater/Heater Compartment??	Bill	8-26-99
I am ready to install my new Onan 7500 Quiet Diesel genset in my 1972 MC-7 conversion. I had planned to install it in the AC condenser compartment, but since the original bus heater coils and ac evaporater have now been taken out, it looks like it might be easier to install it in the evaporator compartment than in the condenser compartment. Looks like more room and more protection from the elements in the evaporator compartment. Has any body installed a similar genset in the evaporator/heater compartment? Thanks for your help. Jay Morrison Lexington, SC Jay, I used the condenser compartment on a 4108 GM. Designed as a slideout unit. I used three wheels, 3" polyurethane for anti vibration, running in 3" channel iron. With three wheels I can bring the generator engine out for service and leave two wheels inside the channel iron to support the weight. Soundinsulation is required to reduc e the mechanical noise level to the outside (neighbors). Even without sound insulation the noise level inside the coach is minimal. Most diesel gensets run at 1800RPM. If you need more info e-mail direct. Bill N1XRB@aol.com
Re: Anybody Install Genset in AC Evaporater/Heater Compartment??	Ginger	9-10-00
I installed a Kohler 9kw diesel genset in a PD4106. It has been running for 14 years or so - about 5000 hours. I ran the exhaust under the coach using 2" galvanized pipe and installed in the same compartment as the genset a hospital rated muffler wrapped in high heat rated insulation, approximately 3" thick, covered in thin aluminum to contain the heat in the exhaust pipe & not radiate out. I ran a ¼" x 3" support plate under the evaporator compartment door and attached it to two 1/2" rods that ran up through the main floor and connected them to a 2"x2"x1/4"x3’ angle to help spread the load to the coach main floor. I modified the genset frame to accommodate ball bearings (5 per side) that run in a 2"x2"x1/4" angle track to allow the genset to be pulled out for service or repair. The exhaust runs from the engine to the exhaust manifold & connects to the exhaust pipe via a stainless steel flexible hose connected to the 2" pipe with a 2" galvanized union. I coated the union threads with anti seize so the threads would not gall. I ran supply & return lines to the main fuel tank & installed a Fram HPG-1 fuel filter on the supply side. I had 2 hydraulic lines, double steel braid, for a supply & return lines (I just replaced them in that they finally started to weep fuel). I hooked the unit up to a Onan remote control that has a hour meter on it to record the run time on the engine. I used the inverter batteries as starting with a (large) solenoid to allow me to use the main bus batteries to start the genset if the inverter batteries are dead or low. Even though most people say not to use deep cycle batteries as start batteries the starter does not pull a great deal of current & I have 5 sets of 2ea. 6 volt golf cart batteries for my inverter system and have not shortened the life of my batteries a whit.
Re: Anybody Install Genset in AC Evaporater/Heater Compartment??	Ginger	9-10-00
I am editing an article about alternate sources of power. Reference is made to wind/solar/gensest. Not all of our readers will understand "genset." I know it has something to do with generators - can anyone give me a succint (2 or 3 word definition) of genset? Thank you. I installed a Kohler 9kw diesel genset in a PD4106. It has been running for 14 years or so - about 5000 hours. I ran the exhaust under the coach using 2" galvanized pipe and installed in the same compartment as the genset a hospital rated muffler wrapped in high heat rated insulation, approximately 3" thick, covered in thin aluminum to contain the heat in the exhaust pipe & not radiate out. I ran a ¼" x 3" support plate under the evaporator compartment door and attached it to two 1/2" rods that ran up through the main floor and connected them to a 2"x2"x1/4"x3’ angle to help spread the load to the coach main floor. I modified the genset frame to accommodate ball bearings (5 per side) that run in a 2"x2"x1/4" angle track to allow the genset to be pulled out for service or repair. The exhaust runs from the engine to the exhaust manifold & connects to the exhaust pipe via a stainless steel flexible hose connected to the 2" pipe with a 2" galvanized union. I coated the union threads with anti seize so the threads would not gall. I ran supply & return lines to the main fuel tank & installed a Fram HPG-1 fuel filter on the supply side. I had 2 hydraulic lines, double steel braid, for a supply & return lines (I just replaced them in that they finally started to weep fuel). I hooked the unit up to a Onan remote control that has a hour meter on it to record the run time on the engine. I used the inverter batteries as starting with a (large) solenoid to allow me to use the main bus batteries to start the genset if the inverter batteries are dead or low. Even though most people say not to use deep cycle batteries as start batteries the starter does not pull a great deal of current & I have 5 sets of 2ea. 6 volt golf cart batteries for my inverter system and have not shortened the life of my batteries a whit.
Re: Anybody Install Genset in AC Evaporater/Heater Compartment??	Ginger	9-10-00
I am editing an article about alternate sources of power. Reference is made to wind/solar/gensest. Not all of our readers will understand "genset." I know it has something to do with generators - can anyone give me a succint (2 or 3 word definition) of genset? Thank you. I installed a Kohler 9kw diesel genset in a PD4106. It has been running for 14 years or so - about 5000 hours. I ran the exhaust under the coach using 2" galvanized pipe and installed in the same compartment as the genset a hospital rated muffler wrapped in high heat rated insulation, approximately 3" thick, covered in thin aluminum to contain the heat in the exhaust pipe & not radiate out. I ran a ¼" x 3" support plate under the evaporator compartment door and attached it to two 1/2" rods that ran up through the main floor and connected them to a 2"x2"x1/4"x3’ angle to help spread the load to the coach main floor. I modified the genset frame to accommodate ball bearings (5 per side) that run in a 2"x2"x1/4" angle track to allow the genset to be pulled out for service or repair. The exhaust runs from the engine to the exhaust manifold & connects to the exhaust pipe via a stainless steel flexible hose connected to the 2" pipe with a 2" galvanized union. I coated the union threads with anti seize so the threads would not gall. I ran supply & return lines to the main fuel tank & installed a Fram HPG-1 fuel filter on the supply side. I had 2 hydraulic lines, double steel braid, for a supply & return lines (I just replaced them in that they finally started to weep fuel). I hooked the unit up to a Onan remote control that has a hour meter on it to record the run time on the engine. I used the inverter batteries as starting with a (large) solenoid to allow me to use the main bus batteries to start the genset if the inverter batteries are dead or low. Even though most people say not to use deep cycle batteries as start batteries the starter does not pull a great deal of current & I have 5 sets of 2ea. 6 volt golf cart batteries for my inverter system and have not shortened the life of my batteries a whit.
Re: Anybody Install Genset in AC Evaporater/Heater Compartment??	Ginger	9-10-00
I installed a Kohler 9kw diesel genset in a PD4106. It has been running for 14 years or so - about 5000 hours. I ran the exhaust under the coach using 2" galvanized pipe and installed in the same compartment as the genset a hospital rated muffler wrapped in high heat rated insulation, approximately 3" thick, covered in thin aluminum to contain the heat in the exhaust pipe & not radiate out. I ran a ¼" x 3" support plate under the evaporator compartment door and attached it to two 1/2" rods that ran up through the main floor and connected them to a 2"x2"x1/4"x3’ angle to help spread the load to the coach main floor. I modified the genset frame to accommodate ball bearings (5 per side) that run in a 2"x2"x1/4" angle track to allow the genset to be pulled out for service or repair. The exhaust runs from the engine to the exhaust manifold & connects to the exhaust pipe via a stainless steel flexible hose connected to the 2" pipe with a 2" galvanized union. I coated the union threads with anti seize so the threads would not gall. I ran supply & return lines to the main fuel tank & installed a Fram HPG-1 fuel filter on the supply side. I had 2 hydraulic lines, double steel braid, for a supply & return lines (I just replaced them in that they finally started to weep fuel). I hooked the unit up to a Onan remote control that has a hour meter on it to record the run time on the engine. I used the inverter batteries as starting with a (large) solenoid to allow me to use the main bus batteries to start the genset if the inverter batteries are dead or low. Even though most people say not to use deep cycle batteries as start batteries the starter does not pull a great deal of current & I have 5 sets of 2ea. 6 volt golf cart batteries for my inverter system and have not shortened the life of my batteries a whit.