Multiaqua MHWX-09-C-1, Installation And Operation Manual

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HVAC Guide Specifications
Direct Expansion Hi-Wall Fan Coil
Nominal Size:
9,000 – 36,000 BTUH
Multiaqua Model Number:
MHWX-09
MHWX-12
MHWX-18
MHWX-24
MHWX-36
Part 1-General
1.01
System Description
Multiaqua Direct Expansion Fan Coils are manufactured with high impact molded polymers.
1.02 Quality Assurance
A. Certified in accordance with U.L. Standard 95, latest version (U.S.A.)
B. Manufactured in a facility registered to ISO 9002, Manufacturing Quality Standard.
C. Fully load tested at the factory.
D. Damage resistant packaging.
1.03 Delivery, Storage and Handling
A. Packaged and readied for shipment from the factory.
B. Controls shall be capable of withstanding 150
°
F storage temperatures in the control compartment.
C. Stored and handled per manufacturer’s recommendations.
Part 2-Product
2.01 Equipment
A. General:
1. Unit shall be a factory assembled direct expansion fan coil.
2. Shall be assembled with high quality.
3. Contained with the unit shall be all factory wiring, piping, associated controls and special
accessories required prior to start up.
B.
Unit Cabinet:
1. Composed of high impact polymers.
2. Shall be internally insulated to insure quiet operation.
C. Fan Motors:
1. Shall be available in 208/230-1-50/60 vac.
1. Fan motors shall be three speed, direct drive, and PSC type.
2. Totally enclosed.
3. Internal overload protected.
4. Unit shall contain a swing motor to modulate the discharge air.
D. Blower Wheels:
1. Blower wheels are tangential and dynamically balanced.
E. DX Coil:
1. Coils manufactured with 3/8” rifled copper tubing mechanically bonded to aluminum fins.
2. Coils shall be factory tested to 350 psig.
F. Drain Pan:
1. All drain pans shall be molded with high impact polymers.
2. The exterior of all drain pans shall be insulated with closed cell to prevent condensation.
3. Pans shall contain a flexible drain tubing that is accessible from the back of the unit.
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