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Flex Duct Air Handlers
(Marine Air Systems)

Click here to view Installation Guide


Features
 Unit Design

  • Mounting footprint provided greater installation flexibility.
  • Easy disassembly for access to components.
  • Large plenum chamber for maximum capacity.
  • Optimum efficiencies in heat and cool with 3-way valve that assures proper water flow.
  • Electric heating option.(1)
Blower / Coil Assemblies
  • Efficient, centrifugal blowers with shaded pole motors.(2)
  • Thermoplastic mounting rings enable easy installation of ducting or transition boxes.
  • Coils with enhanced fins and cross-hatched "Outokumpu"™ brand tubing for maximum efficiency.
  • Ductable, rotatable blowers offer installation flexibility.
  • Insulated with closed cell insulation.
Condensate Drain Pan
  • Unique angled drain pan enhances removal of condensation.
  • Dual threaded drain connections provide for watertight hose fittings.
  • Drain pan is fully insulated to prevent sweating.
Quality Assurance
  • Each unit is test in all operating modes ans leak checked.
  • All units meet or exceed applicable ABYC and U.S. Coast Guard regulations, CE Directives and general Air Conditions and Refrigeration Industry (ARI) standards.

SPECIFICATIONS

Model AH4K-FD(3) AH6-
FD		 AH9K-FD AH12K-FD AH16K-FD AH18K-FD AH24K-
 FD(2)
Capacity (BTU/H) / (Kcal/H) 4,000/
1,008		 6,000/
1,512		 9,000/
2,268		 12,000/
3,024		 16,000/
4,032		 18,000/
4,545		 24,000/
6,048
Voltage(VAC) (4) 115 VAC - 230 VAC
Cycle / Phase (Hz / Ø) 50 / 60 Hz - 1 Ø
Amperage (FLA)
115 V 1.1 2.0 2.9 2.9 3.3 3.3 N/A
230 V 0.6 0.9 1.4 1.4 1.8 1.8 0.8
Amps w/Heat(1)
115 V N/A 10.7 11.6 11.6 12.0 16.3 N/A
230 V N/A 5.3 6.0 6.0 6.2 8.3 7.7
GMP / (Liters/min.) 1.0/3.8 1.5/5.7 2.3/8.7 3.0/11.4 4.0/15.1 4.5/17.0 6.0/22.7
Air Flow (CFM) / (M3/HR) 150/
255		 200/
340		 300/
509		 400/
679		 500/
850		 530/
900		 700/
1190
Dimensions (in/cm)
D (Depth) 9.8/
24.9		 13.7/
34.8		 13.3/
33.8		 13.5/
34.3		 14.8/
37.6		 15.5/
39.4		 17.8/
45.2
M (Motor overhang) 2.6/
6.6		 2.3/
5.8		 2.8/
7.1		 2.6/
6.6		 3.0/
736		 3.0/
7.6		 4.0/
10.2
W (Width) 13.9/
35.3		 13.9/
35.3		 19.7/
50.0		 19.7/
50.0		 19.8/
50.3		 21.5/
54.6		 23.5/
59.7
H1 (Height tp blower) 11.2/
28.4		 12.2/
31.0		 13.2/
33.5		 13.6/
34.5		 15.5/
39.4		 15.5/
39.4		 18.5/
47.0
H2 (Height to evap)(5) 10.9/
27.7		 10.9/
27.7		 12.2/
31.0

12.2/

31.0

 15.3/
38.9		 15.3/
38.9		 17.3/
43.9
Supply Duct Diameter 4.0/
10.2		 5.0/
12.7		 6.0/
15.2		 6.0/
15.2		 7.0/
17.8		 7.0/
17.8		 8.0/
20.3
Water Inlet & Outlet 0.5" FPT with 0.625" HB brass
Condensate Drains 2 each @ 0.5" FPT with 0.625" HB
Weight (lbs/kg) 14/
63		 18.6/
8.4		 23.0/
10.4		 23.0/
10.4		 29.0/
13.2		 34.0/
15.2		 43.0/
19.5

  1. Optional electric heat chill chasers are available in 1kw (AH6-16FD) or 1.5kw(AH18-24FD), not available on AH4K-FD. Overall weight of unit increases with heat.
  2. AH24K utilizes a PSC blower motor.
  3. AH4K blower can be rotated vertical or horizontal only.
  4. "Z" at the end of the model number desginates 230V (ie AH12KFD designates 115V; AH12KFDZ designates 230V).
  5. H1 is measured to highest point of blower duct ring when blower is horizontal as in the photo and drawing. Blower can be rotated so that the evaporator is the highest point on the air handler.
Developed by BF Enterprises