American Energy Systems MF3650 User Manual

MF3650 Exhaust Blower 2-speed

All Magnum units that may require extra CFM when installed (see below)

1. It provides more air movement through the unit when combustion air and venting
configurations are limited

2. It is usually added to stoves that are in areas of higher altitude to assist in proper
combustion.

3. Can or should be used on installations that have longer horizontal exhaust runs.

4. Adapts the unit for new high ash content fuels that are emerging in the market.

5. Can be used as a replacement for CF3542 or MF3542.

6. Use jumper wires as needed.

• Turn off power on control panel and unplug from the power supply.

• Disconnect the exhaust blower leads from the wire harness make sure when pulling off

wires that you use pliers by the end of the terminals, so you don’t pull out the wire from
the ends.

• Remove existing exhaust blower.

• Remove existing exhaust tube from the

exhaust blower being replaced.(save the
#8-tek screws for later use)

• Clean the rectangle outlet of the exhaust
tube of any old high temp silicone.

• Place a 1/8” bead of high temp silicone
on the rectangle outside edge of the
exhaust tube.

Connection Diagram
Wht-Common
Blk-High
Red-Low

Back side of blower Front of blower

F:\AESBusinessSystems\AES Technical\Piece part instructions\MF3650 Exhaust Blower 2-
speed.doc

• Slip rectangle end of the exhaust tube over the rectangle outlet of the new exhaust
blower. Push tight until the exhaust tube hits the flange of the exhaust blower housing.
Making sure the tube alignment to blower is straight.

• Neatly, compress caulking using finger around all four sides of the exhaust tube. Make
sure equal amounts of caulk are on the exhaust tube and the exhaust housing providing a
leak free seal.

• Fasten the exhaust tube to the
blower housing using the #8 tek
screws listed above.

• From the back of the unit, look
into the exhaust tube. If any high
temp silicone is visible clean out
with a hacksaw blade.

F:\AESBusinessSystems\AES Technical\Piece part instructions\MF3650 Exhaust Blower 2­speed.doc