F. Install a hook at near the peak for use with a hoist/puller tool.
1. Use lag bolts to permanently install hook for raising PCS1
G. Create a base for the PCS1 to rest upon.
1. Reuse plywood from the shipping crate and lay over 2+ joists.
2. Place 1-2 pieces of 1” certifoam on top of plywood for cushion
a. Reduces any vibration transmision
3. PCS1 can simply rest on these materials
H. Prepare the PCS1 by installing unions on the inlet and outlet manifolds.
1. Clean manifolds with wire brush
2. Use silicone sealant around male pipe threads
3. Install female pipe threaded part of union to inlet and outlet
4. Let silicone sealant cure a full 24 hours prior to using PCS1.
I. Prepare single lengths of flex PVC pipe for both inlet and outlet lines.
1. A single length [without joints] should run from the PCS1 to the
support system location [outside eaves]
2. Install the slip part of the union to the flex PVC lengths outside of the
a. Prevents having to breathe cement fumes in a small area.
b. Allow the cement to cure a full 24 hours prior to using
CAUTION:
There is absolutely no need for PVC cement work inside the attic and doing
so can be hazardous. Do all PVC cementing outside of the attic in areas with adequate
J. Ensure the pump is off and electrical power is disconnected.
2. Cut off bypass loop and prepare PVC pipes going to PCS1 for extension
K. Complete rigid PVC pipe run to eaves connecting to flex PVC at eaves
1. Place straight SXS coupling outside of eaves, not inside
a. Minimize cemented joints in the attic[union-flex only joint]
L. Run electrical wiring for PCS1 power from LX220 to outlet box in attic
1. Follow wiring codes and instructions
2. PCS1 simply “plugs into outlet” [unplugs for any service work]
M. Run temperature sensor wire [22 gauge vinyl jacketed] to attic thermistor
1. Install attic sensor near peak and out of PCS1 airflow stream
2. Connect temp sensor in series with white float wires from PCS1
a. Float is normally closed switch that opens if water is 3/8”+
NOTE: Electrical wiring should now be completed.
N. Close off all excessive ventilation and power ventilators.
1. Board up any large ventilation holes previously created [power, etc.]
2. Only passive ventilation holes should be present.
a. Rule of thumb, 1 sq ft for every 350 sq ft of attic is required.
O. Place straps around the PCS1 and raise it into the attic with a hoist/puller.
1. Two strong men can lift the 134 lb. PCS1 into the attic.
CAUTION: The PCS1 is bulky and the fins are razor like. Take due care when manually
raising the PCS1 into the attic. If manually lifting, the bulk of the unit along with the sharp
fins can pose a significant danger. Especially if the PCS1 is dropped or loss of control is
experienced. This can result in a back or other injury. The larger the access opening, the
easier the unit can be manhandled. Small openings with minimal clearances require a
higher degree of control than manual lifting may afford.
P. Place the PCS1 onto the attic platform and into the desired position.
1. Airflow from the PCS1 should be open and not restricted
2. A plenum with flexible ductwork can get around air obstructions
Q. Connect the flexible PVC pipe unions to the PCS1 manifolds.
1. Inlet pipe goes to the top of the coil.
2. Outlet pipe goes to the bottom of the coil.
CAUTION:Do not over tighten or “muscle” PVC unions as they may crack. Do not
attempt to use the system with a cracked union [redo it].
NOTE: All of the plumbing should now be completed!
R. Finish reframing the access opening.
1. Hinges may be used if desired and convenient to the access method
2. Use rubber-sealing tape around access edges to protect the vapor
barrier [generally a winter moisture issue in freezing climates].
3. Hinge opening so that door lowers down from ceiling: not into attic
S. Test outlet in attic to ensure power is proper and ground is intact.
1. Keep filter pump unplugged or turned off for these initial attic
2. Place LX220 in ON[manual override] to test power.
a. Observe operation of bypass valve
1. Will water be routed correctly when pump is energized?
3. Plug PCS1 into outlet and observe that fan turns on.
NOTE: a properly wired solar controller will turn the PCS1 on when ON[manual
override] is selected and off when the controller is turned OFF. In AUTO, the
temperature sensor in the attic must be 8º F higher than the pool temperature sensor
and it will depend upon the position of the temperature thermostat on the LX220.
T. Turn off the solar controller and observe that the bypass valve rotates off.
1. Become familiar with the bypass valve’s on & off positions.
a. On means water is routed to the PCS1 which is on.
b. Off means water bypasses the PCS1 which is off.
NOTE:“Off” on the valve handle indicates that the port pointed to is off.
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