TJERNLUND CS1 Manuale utente
DESCRIPTION
The Tjernlund UnderAire™ Series Fresh Air Supply Fans for Crawl Spaces are designed to boost fresh outdoor air under-
neath homes and porches. Use in conjunction with Tjernlund UnderAire™ Crawl Space Exhaust Fans to remove moisture in
Crawl Spaces with too few or undersized passive vent openings, overall lengths of over 40 feet, or in “dead zones” or stag-
nant areas that are not served by existing foundation vents.
Excessive humidity levels in Crawl Spaces is the leading cause of premature rotting of support columns, joists, floors and
beam supports. Humidity can promote fungus growth and increased termite activity. Humidity may also cause plumbing
failures due to rust and corrosion. Helps dilute radon gases, treated wood off-gassing and other odors that might migrate
into living areas.
All models are equipped with a factory installed and pre-wired freeze protection thermostat which will prevent operation of
the fan below 35°F.
SPECIFICATIONS
SPECIFICA-
TIONS
GENERAL INFO
GENERAL INFORMATION
Each UnderAire™ Powered Fresh Air Supply Fan is electrically factory line tested before shipment.
After opening carton, inspect thoroughly for shipment damage. Fan should rotate freely and all electrical wires and connec-
tions should be secured. If any damage is found, notify freight carrier and your distributor immediately and file a concealed
damage claim.
RECOMMENDED APPLICATION
The CS1 & CS2 Powered Fresh Air Supply Fans are designed to be used in conjunction with Tjernlund V-Series exhaust
Crawl Space Ventilators (V1, V1D, V2D). Use without exhaust fans may limit the effectiveness of these fans and cause pos-
itive pressurization of the space which can could result in property damage. For optimal performance match CFM of supply
fan to CFM of exhaust fan. For example: (1) CS1 per V1 or V1D and (1) CS2 per V2D.
Powered Fresh Air Supply Fans for Crawl Spaces
©2011 TJERNLUND PRODUCTS, INC. ALL RIGHTS RESERVED P/N: 8504176
TJERNLUND PRODUCTS, INC.
1601 Ninth Street • White Bear Lake, MN 55110-6794
PHONE (800) 255-4208 • (651) 426-2993 • FAX (651) 426-9547
Visit our web site • www.tjernlund.com
READ OWNERS INSTRUCTIONS CAREFULLY PRIOR TO INSTALLATION.
THESE INSTRUCTIONS MUST REMAIN WITH EQUIPMENT. DO NOT DESTROY.
MODEL CS1
MODEL CS1 Fresh Air Supply Fan:
Capacity: 110 CFM
Motor: 115 Volts ~ 50/60 Hz
0.30 amps maximum
Thermostat: On at 50°F
Off at 35°F
Dimensions: 18” x 9” x 2”
Mounting Plate Smallest
Trimmable Dimensions: 7” x 6”
MODEL CS2 Fresh Air Supply:
Capacity: 220 CFM
Motors: 2 @ 115 Volts ~ 50/60 Hz
0.60 amps maximum
Thermostat: On at 50°F
Off at 35°F
Dimensions: 18” x 9” x 2”
Mounting Plate Smallest
Trimmable Dimensions: 13” x 6”
MODEL CS2
INSTALLATION
The Fresh Air Supply Fan must be installed by a qualified installer in accordance with these instructions and all local codes
or in their absence in accordance with the latest editions of the International Residential Code and International Electrical
Code. Improper installation can create a hazardous condition such as fire, electric shock or personal injury. To reduce
these risks significantly, use this unit only in the manner intended by the manufacturer. If you have questions, contact
Tjernlund Products. Always disconnect the Fresh Air Supply Fan from its power source before installation and servicing.
CAUTION: For general ventilation use only. Do not use to exhaust hazardous or explosive materials and vapors.
WARNING: To reduce the risk of fire or electric shock, do not use this fan with any solid-state speed control device.
TOOLS REQUIRED
• 5/16" Nut Runner or Flat Head Screw Driver
• Drill with 5/16" Masonry Bit if mounting on brick or foundation block
• Grounded Electrical Outlet within 6 feet of fan location.
INSTALLATION
LOCATION
Mount Fresh Air Supply Fan from the outside (remove existing vents if necessary) or inside the crawl space behind existing
foundation ventilation openings, (See Diagram A). Alternately, attach to joist to act as a “dead zone” circulation or stagnant
area fan, (See Diagram B).
IMPORTANT: Crawl Space Supply Fan must be mounted with the electrical control box and motor facing the interior of the
crawl space. Improper installation can create a hazardous condition such as fire, electric shock or personal injury.
1. Remove existing doors or covers on ventilation openings around the perimeter of the building.
2. Position the Crawl Space Supply Fan over the ventilation opening. To minimize moisture accumulation near power
supply, the unit should be oriented with the cord coming out on the top side of the fan(s), (See Diagrams Below).
3. If installing on foundation block or brick, mark location in the (6) mounting locations of the metal face plate and drill 5/16"
holes with masonry bit. Install wall anchors into openings and secure Fresh Air Supply Fan to the wall with (6) screws.
If installing on rim joist or mesh on existing crawl space vent, secure Fresh Air Supply Fan with (6) screws, washers and
nuts in the (6) mounting locations on metal face plate, (See Diagram A).
If installing on a joist / truss secure Fresh Air Supply Fan with (3) screws and washers in the top (3) mounting locations on
metal face plate, (See Diagram B).
4. Plug unit(s) into electrical outlet or use the optional Tjernlund DH2P Dehumidistat Control.
TYPICAL MODEL CS1 & CS2 MOUNTING
FOUNDATION OPENING (Model CS1 Shown) - DIAGRAM A
TYPICAL MODEL CS1 & CS2 JOIST / TRUSS
INSTALLATION (Model CS1 Shown) - DIAGRAM B
WIRING
ONOFF
L1
L2
OPTIONAL ON-OFF SWITCH-OUTLET
PROVIDED BY INSTALLER
50/60 Hz
120 VAC 50/60 Hz
120 VAC
CS1 ELECTRICAL BOX
BLACKBLACK
T-STAT
WHITE
GREEN
FAN
FIGURE 8050025 3-14-11
PROVIDED BY INSTALLER
OPTIONAL ON-OFF SWITCH
OFF ON
OUTLET
PROVIDED BY INSTALLER
120 VAC
50/60 Hz
L2
L1
120 VAC
50/60 Hz
GREEN
FAN
WHITE
T-STAT
BLACK BLACK
CS2 ELECTRICAL BOXES
BLACKBLACK
T-STAT
WHITE
FAN
GREEN
CS1
120 VAC
50/60 Hz
PROVIDED BY INSTALLER
OPTIONAL ON-OFF SWITCH-OUTLET
L2
L1
OFF ON
DE-HUMIDISTAT
V1D ELECTRICAL BOX
BLKBLK
T-STAT
WHITE
BLK
FAN
OUTLET
PROVIDED BY INSTALLER
GRN
50/60 Hz
120 VAC
120 VAC
50/60 Hz
2 WIRE NUTS
PROVIDED BY
INSTALLER
GRN
FAN
WHITE
BLACK
50/60 Hz
120 VAC
120 VAC
50/60 Hz
GRN
PROVIDED BY INSTALLER
OUTLET
FAN
BLK
WHITE
T-STAT
BLK BLK
V2D ELECTRICAL BOX
DE-HUMIDISTAT
ONOFF
L1
L2
OPTIONAL ON-OFF SWITCH-OUTLET
PROVIDED BY INSTALLER
50/60 Hz
120 VAC
CS2
2 WIRE NUTS
PROVIDED BY
INSTALLER
SWITCHED OUTLET, NON-HUMIDITY CONTROLLED OPTION FOR MODEL CS1
CONTROLLING MODEL CS1 IN CONJUNCTION WITH V1D CRAWL SPACE EXHAUST FAN
CONTROLLING MODEL CS2 IN CONJUNCTION WITH V2D CRAWL SPACE EXHAUST FAN
SWITCHED OUTLET, NON-HUMIDITY CONTROLLED OPTION FOR MODEL CS2
REPLACEMENT PARTS
Component Part Number
Thermostat 950-8302
Fan 950-0020
DH2P Dehumidistat (Optional) DH2P
WARRANTY
120 VAC
50/60 Hz
WHITE
BLACK
DE-HUMIDISTAT
BLACK
CONTROLLING MODEL CS1 OR CS2 WITH OPTIONAL MODEL DH2P DEHUMIDISTAT CONTROL
Plug up to (2) CS1 or CS2
models into optional model
DH2P dehumidistat control
which plugs into standard
120 VAC outlet.
TJERNLUND LIMITED ONE YEAR WARRANTY
Tjernlund Products, Inc. warrants to the original purchaser of this product that the product will be free from defects due to faulty material or workmanship for a period of (1) year from the date of original
purchase or delivery to the original purchaser, whichever is earlier. Remedies under this warranty are limited to repairing or replacing, at our option, any product which shall, within the above stated war-
ranty period, be returned to Tjernlund Products, Inc. at the address listed below, postage prepaid. THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE
HEREOF, AND TJERNLUND PRODUCTS, INC. EXPRESSLY DISCLAIMS LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF THIS PRODUCT. THIS
WARRANTY IS IN LIEU OF ALL OTHER EXPRESS WARRANTIES AND NO AGENT IS AUTHORIZED TO ASSUME FOR US ANY LIABILITY ADDITIONAL TO THOSE SET FORTH IN THIS LIMITED
WARRANTY. IMPLIED WARRANTIES ARE LIMITED TO THE STATED DURATION OF THIS LIMITED WARRANTY. Some states do not allow limitation on how long an implied warranty lasts, so that
limitation may not apply to you. In addition, some states do not allow the exclusion or limitation of incidental or consequential damages, so that above limitation or exclusion may not apply to you. This
warranty gives you specific legal rights and you may also have other rights which may vary from State to State. Send all inquiries regarding warranty work to Tjernlund Products, Inc. 1601 9th Street,
White Bear Lake, MN 55110-6794. Phone (651) 426-2993 • (800) 255-4208 • Fax (651) 426-9547 • Email [email protected].
OPTIONAL
DH2P CONTROL DH2P FACTORY WIRED CONTROL
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