Multiaqua CFFWA4P 04, CFFWA4P 08, CFFWA4P 12, CFFWA4P 16, CFFWA4P 20 Operation And Installation Manual

4-Pipe Universal Mount Fan Coil Unit

Please read this manual before using the fan coil unit.
Installation and service must be carried out by trained and qualified technicians only.

UNIVERSAL MOUNT

FAN COIL UNIT (4-Pipe)

________________________________________________________________________________

Operation and Installation Manual

CFFWA4P 04, 08, 12, 16 & 20

Rev. 1.3

Fan coil unit - CFFWA4P Series

Recognize this symbol as an indication of important safety or

instruction related information throughout this publication.

GENERAL

Read the entire contents of this manual before beginning installation. Multiaqua assumes no responsibility for

equipment installed contradictory to any code requirement or installation instructions.

Careful attention has been given to the preparation of this IOM (Installation and Operation Manual) and the

content has been carefully compiled for your convenience. Dimensions were verified at the time of the writing

of this IOM. The manufacturer reserves the right to make changes for the improvement of products without

prior notice, therefore dimensions should always be field verified before the installation process begins.

The components of this unit have been inspected at the factory and readied for shipment. Upon receiving the

shipment, a visual inspection of the packaging must be performed. If any damage to the packaging is

discovered, an inspection of the components must be performed and noted on the delivery documents. If

component damage is found, a damage claim must be filed by the receiving party against the delivery party

immediately.

This product is designed and manufactured to permit installation in accordance with national codes. It is the

installer’s responsibility to install the product in accordance with national codes and/or prevailing local codes

and regulations.

Care must be taken to ensure the structural integrity of the supporting members, clearances, and provisions

for servicing, power supply, coil connections, and/or condensate removal. This unit is designed for a ceiling or

wall installation only.

The manufacturer reserves the right of change for the improvement of products without prior notice. Please
contact manufacturer or visit www.Multiaqua.com for the latest product information.

These specifications are subject to change without notice.

Check www.multiaqua.com for latest published information.

Fan coil unit - CFFWA4P Series

Table of Contents

INSTALLATION

Section 1. Inspection of Packaging 4

Section 2. Safety Precautions 4

Section 3. Operational Limits 4

Section 4. Selection of Installation Location 5-6

Section 5. Installation of the unit 7-9

Section 5a Ceiling Mounting

Section 5b Wall Mounting

DIMENSIONIAL DRAWINGS 10

FAN PERFORMANCE 11

PHYSICAL DATA 12

ELECTRICAL DATA 12

WIRING DIAGRAM 13

These specifications are subject to change without notice.

Check www.multiaqua.com for latest published information.

Fan coil unit - CFFWA4P Series

Section 1) INSPECTION OF PACKAGING

1. It is advisable to place the unit close to the installation site without removing it from the package. Do

not put heavy tools or weights on the package.

2. Check the package to ensure no damage has occurred during transportation.

3. Check packaging for accessories inside the packaging materials before discarding.

4. Do not lift unit from packaging by the cover assembly, condensate, or by the water connections.

5. Remove cover assembly and lift the unit by the four corners of the unit body.

6. Once the unit is removed from the packaging, check and record the unit model and serial number for

future reference.

Section 2) SAFETY PRECAUTIONS

The appliance should be installed in accordance with NEC wiring regulations as well as, all mechanical codes.

1. When working on air conditioning equipment, observe precautions in this manual, and on all labels

attached to the unit.

2. Ensure that the electrical supply is the correct voltage required for your specific installation according to

the label on the equipment.

CAUTION: INSTALLING & SERVICING SHOULD BE CARRIED OUT BY TRAINED AND QUALIFIED SERVICE
PERSONNEL ONLY.

CAUTION: BEFORE STARTING ANY WORK, PUT ON ALL PERSONAL PROTECTION EQUIPMENT INCLUDING,
BUT NOT LIMITED TO, GLOVES AND SAFETY GLASSES REQUIRED FOR THE JOB.

CAUTION: BEFORE CARRYING OUT ANY WORK, TURN OFF THE MAIN POWER AT THE SERVICE
DISCONNECT AND FOLLOW ALL LOCKOUT- TAGOUT PROCEDURES.

Section 3) OPERATIONAL LIMITS

 Power supply: Please refer to the label attached to the unit for correct power supply.

 Minimum entering water temperature: 35.6°F

 Maximum entering water temperature: 180 °F

 Maximum water system pressure shall not exceed: 150 psi

These specifications are subject to change without notice.

Check www.multiaqua.com for latest published information.

Fan coil unit - CFFWA4P Series

4. The installation location on the ceiling or wall must have
sufficient strength to carry the gross weight of the unit
listed in the table to the right. Mounting hardware
diameters listed are suggestions only Local code
requirements must he consulted by the installing
contractor.

Section 4) SELECTION OF INSTALLATION LOCATION

1. Do not install the unit in rooms where any hazards are present which include, but are not limited to,
flammable gas, alkaline or acid substances, or where hazardous or corrosive atmosphere exists.
Aluminum/copper coils and/or internal plastic components can be damaged beyond repair. Cabinets are
internally insulated from the factory. However, when these units are installed in high ambient/high
humidity environments, additional external cabinet insulation may be required.

THESE UNITS ARE NOT RATED FOR EXPLOSION PROOF ENVIRONMENTS

2. Do not install in workshops or kitchens where airborne oil vapors or other chemicals may be deposited
on the coils, reducing the performance or damaging the internal plastic parts of the unit.

3. Choose a position near the wall as close to the center of the room as possible. See Figure 1

Figure 1

These specifications are subject to change without notice.

Check www.multiaqua.com for latest published information.