FAN FILTER UNIT - HIGH EFFICIENCY
INSTALLATION & SERVICE INSTRUCTIONS
Speed Controllers
PSCSC/WK Speed Controller Installation and Operation
Sample line string below:
FFU-HE/24/48/RSR/BC/PSC/115/10//NP//HEPA//
PSCSC
//
WK
/DSW/PC/TMB/ATS/ML/FL/WPF/PL-AL/F-AL/PL-B12/F-B12
If unit does not have the wall kit (WK) option, proceed to step 13a.
Sample line string below:
FFU-HE/24/48/RSR/BC/PSC/115/10//NP//HEPA//
PSCSC
///DSW/PC/TMB/ATS/ML/FL/WPF/PL-AL/F-AL/PL-B12/F-B12
STEP 8A:
Locate pre-installed electric box for wall-mounted speed controller.
STEP 9A:
Wire speed controller according to wiring diagram found on page 57. Wall-mounted speed controller will be wired in
series with the motor.
NOTE:
Wiring should be carried out by a certified electrician and meet national and local electrical codes.
STEP 10A:
Attach the wall-mounted controls faceplate to the electrical box using the screws provided.
STEP 11A:
Wire the unit according to appropriate wiring diagram. If Power Cord (PC) option is selected, simply insert plug end
into electrical socket.
Sample line string below:
FFU-HE/24/48/RSR/BC/
ECM
/
115
/10//CT//HEPA//ECMSC///DSW/
PC
/TMB/ATS/ML/FL/WPF/PL-AL/F-
AL/PL-B12/F-B12
NOTE:
Wiring should be carried out by a certified electrician and meet national and local electrical codes.
STEP 12A:
If using RSR filter, refer to page 21 for installation instructions.
NOTE:
Ensure that the space is clean, free of debris, and that ducts are cleaned and ready for operation prior to installation of filter.
STEP 13A:
Ensure proper Voltage is hooked up, and turn unit on.
STEP 14A:
Using a flow hood to determine airflow, adjust speed control switch until desired airflow is achieved.
NOTE:
Clockwise rotation will increase airflow, counter-clockwise rotation will decrease airflow.
PSC Speed Controller with Wall Kit Option
7
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