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Page 6
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V / Installation
Install Condensate Line - The KPO series comes equipped with a high lift conden-
sate pump, the connection is a 1/4” outer diameter barbed fitting located on the left
side upper portion of the condenser inlet on the 12-ton models as you are facing the
control panel and next to the power cable connection to the cabinet on the 5-ton
models. It is important to connect the condensate line prior to hooking up the electrical
power as the condensate pump is live when power is engaged. Collected water in the
pumps reservoir could be ejected when powered up.
Install Cold-Air Supply Flex Duct - The KPO line requires a duct to direct the
cooling into the conditioned space, this is done with a 12” diameter duct. As you face
the unit opposite the control end, the supply is on your right side. Clamp supply ducting
onto the 12” flange(s), and route the duct to your desired location. The supply air
works best directed to the inlets of your equipment or directly on the area to be cooled.
Install Cold-Air Return Flex Duct - Your KPO portable air conditioner works at its
best when the return air return is directly in the area of highest heat load, this place-
ment allows the unit to return the heat load directly to the evaporator and not to linger
in the conditioned space. This is also done with 12” diameter duct. As you face the unit
opposite the control end, the return is on your left side. Clamp return ducting onto the
12” flange(s), and route the duct to your desired location. NOTE: The return air duct is
pulling in air and can try to collapse while operating, avoid this condition by pulling
all of the slack out of the duct and anchoring it to a fixed object. Duct collapse is the
number one cause of evaporator coil freeze or low performance. *NOTE: KPO
models utilize high static blowers. The KPO systems must have a minimum of 25’
ducting for each inlet and outlet. KPO 12-ton must have 100 total feet of duct
(minimum 2 ducts). KPO 5-ton must have 50’ of total ducting (minimum 1 duct). For
example if using a KPO 12-ton you need 100’ of duct. You can use 4-25’ pieces on
any outlet. If you are not sure about your application, call us at: 1-800-KWIKOOL.
**NOTE: Customers using this unit only to blow cold air and that are not trying to
cool a space may not need to connect the return air duct. However the KPO line
requires a minimum amount of duct to operate. If you are operating this unit with no
ducting, you will need to damper the return air by at least 50%. Allowing the KPO to
operate without duct or without dampening the return air could cause condensate
water leakage, diminished temperature difference, and/or evaporator motor malfunc-
tion.
Do not tilt or overturn your unit, since this could damage the compressor.
Do not place objects on top of your unit.
Do not insert your hand or any other object into the cold-air supply chutes.
Do not operate your KwiKool system with its service doors open.
If your KwiKool system makes abnormal noises or vibrations, call KwiKool at:
1-800-594-5665.
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