Carnes LXHAM User Manual
CARNES COMPANY 448 S. Main St., P. O. Box 930040, Verona, WI 53593-0040 Phone: (608)845-6411 Fax: (608)845-6504 www.carnes.com
COPYRIGHT © 1998 CARNES COMPANY
ALL RIGHTS RESERVED
SUPERSEDES 26053 26053-A
STANDARD DIMENSIONS (LISTED IN INCHES)
DAMPER MOTOR
Fan A Sq. B Sq. Panels
Size Size OD Flange Type Qty (Detail)
24 26 28-1/2 MP2781-S 1 1
30 32 34-1/2 MP2781-S 1 1
36 38 40-1/2 MA220-S 1 1
42 44 46-1/2 MA220-S 1 2
48 50 52-1/2 MA220-S 1 2
54 56 58-1/2 MA220-S 2 3
60 62 65-1/2 MA220-S 2 3
72 76 78-1/2 MA220-S 4 4
PLAN VIEW
STANDARD SPECIFICATIONS
Maximum Face Velocity: 3000 fpm.
Temperature Limits: -40
O
F to 200OF (-40OC to 94OC).
Minimum Size: 8” x 8”.
Size: Single section: 42” W x 64” H.
Multiple section assemby - Unlimited size.
Frame: 20 gauge galvanized steel.
Blades: .025 thick aluminum.
HD 28 gauge galvanized steel.
Seals: Extruded Vinyl mechanically locked into blades.
Axles: Stainless Steel.
Linkage: Stainless steel pins, galvanized steel tie bar.
Finish: Mill.
NOTES:
(1) Do not mount fan less than 12 inches from the
shutter.
(2) Motors available in 24V, 120V, 240V & 440V.
(3) Dampers shipped in individual cartons.
(4) Motors & spring kits ship separately.
(5) Center-pivoted dampers must be used on reversible
fans.
(6) Mutiple section assemblies may require bracing to
support the weight of the assembly and to hold
against system pressure. BRACING SUPPLIED BY
OTHERS.
(7) Multiple section dampers are factory joined (except
72” and large).
CAUTION: Motor kits are not suitable for use in explosive
or flammable areas or airflows.
Heavy Duty Dampers required on all units
with 7-1/2 HP motors and above.
SPECIFICATION SHEET
PROPELLER FAN ACCESSORY — BACKDRAFT DAMPER
Horizontal — LXHAA (Roof Exhaust - Automatic)
Horizontal — LXHAM (Roof Exhaust - Motorized)
IP [English] Dimensions
SI (Metric) on Reverse Side
CARNES COMPANY 448 S. Main St., P. O. Box 930040, Verona, WI 53593-0040 Phone: (608)845-6411 Fax: (608)845-6504 www.carnes.com
COPYRIGHT © 1998 CARNES COMPANY
ALL RIGHTS RESERVED
SUPERSEDES 26053 26053-A
SPECIFICATION SHEET
PROPELLER FAN ACCESSORY — BACKDRAFT DAMPER
Horizontal — LXHAA (Roof Exhaust - Automatic)
Horizontal — LXHAM (Roof Exhaust - Motorized)
METRIC DIMENSIONS (LISTED IN MILLIMETERS)
DAMPER MOTOR
Fan A Sq. B Sq. Panels
Size Size OD Flange Type Qty (Detail)
24 660 724 MP2781-S 1 1
30 813 876 MP2781-S 1 1
36 965 1029 MA220-S 1 1
42 1118 1181 MA220-S 1 2
48 1270 1334 MA220-S 1 2
54 1422 1486 MA220-S 2 3
60 1575 1664 MA220-S 2 3
72 1930 1994 MA220-S 4 4
PLAN VIEW
STANDARD SPECIFICATIONS
Maximum Face Velocity: 3000 fpm.
Temperature Limits: -40
O
F to 200OF (-40OC to 94OC).
Minimum Size: 203mm x 203mm.
Size: Single section: 1067mm W x 1626mm H.
Multiple section assemby - Unlimited size.
Frame: 20 gauge galvanized steel.
Blades: .025 thick aluminum.
HD 28 gauge galvanized steel.
Seals: Extruded Vinyl mechanically locked into blades.
Axles: Stainless Steel.
Linkage: Stainless steel pins, galvanized steel tie bar.
Finish: Mill.
NOTES:
(1) Do not mount fan less than 305mm from the shutter.
(2) Motors available in 24V, 120V, 240V & 440V.
(3) Dampers shipped in individual cartons.
(4) Motors & spring kits ship separately.
(5) Center-pivoted dampers must be used on reversible
fans.
(6) Mutiple section assemblies may require bracing to
support the weight of the assembly and to hold against
system pressure. BRACING SUPPLIED BY OTHERS.
(7) Multiple section dampers are factory joined (except
1829mm and larger).
CAUTION: Motor kits are not suitable for use in explosive
or flammable areas or airflows.
Heavy Duty Dampers required on all units
with 7-1/2 HP motors and above.
76
32
178
Max.
SI (Metric) Dimensions
IP [English] on Reverse Side
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