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*HYB *PHYB
HORIZONTAL HYDRONIC FAN COIL UNITS
Installation, Operation, and
Maintenance Instructions
W
ARNING TO
Altering the product, improper installation, or replacing parts with unauthorized parts voids
all warranty or implied warranty and may result in adverse operational performance or
possible hazardous conditions to service personnel and occupants. Company employees or
contractors are not authorized to waive this
NOTES:
• Read the entire installation instruction manual before starting the
• These instructions are intended as a general guide and do not supersede
• These instructions must be left with the property owner.
S
C
AFETY
ONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance, or use can
cause explosion, fire, electrical shock, or other conditions which may cause
personal injury or property damage. Consult a qualified licensed installer,
service agency, or your distributor for information or assistance. The qualified
licensed installer or service agency must use factory-authorized kits or
accessories when modifying this product. Refer to the individual instructions
packaged with kits or accessories when installing.
Follow all safety codes. Wear safety glasses and work gloves. Use quenching
cloth for brazing operations. Have fire extinguisher available. Read these
instructions thoroughly and follow all warnings or cautions attached to the
unit. Consult local building codes and National Electrical Code (NEC) for special
requirements.
IOM5501 Rev. A 04/22
I
, S
NSTALLER
ERVICE
installation.
national, state, or local codes in any way.
P
,
ERSONNEL
AND
warning.
O
WNER
1
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Summary of Contents for First Co PHYB Series
- Page 1 *HYB *PHYB HORIZONTAL HYDRONIC FAN COIL UNITS Installation, Operation, and Maintenance Instructions ARNING TO NSTALLER ERVICE ERSONNEL WNER Altering the product, improper installation, or replacing parts with unauthorized parts voids all warranty or implied warranty and may result in adverse operational performance or possible hazardous conditions to service personnel and occupants.
- Page 2 General Recognize safety information. This is the general safety-alert symbol When you see this symbol on the unit and in instruction manuals, be alert to the potential for personal injury or damage to equipment. The lightning bolt symbol signifies an electrical shock hazard. WARNING: This WARNING signifies general hazards which could result in personal injury or death.
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Page 3: Installation Precautions
INSTALLATION PRECAUTIONS applicable regulations take precedence over the general instructions contained in this manual. INSTALLATION PRECAUTIONS WARNING: Some units are very heavy. Use two or more people when moving and installing these units. Failure to do so could result in personal injury or death. - Page 4 FAN COIL UNIT FAN COIL UNIT The installer must adhere strictly to all local and national code requirements pertaining to the installation of this equipment. These units are designed for installation in a horizontal position. All units are designed for indoor use only, and are agency listed for installation with zero clearance to combustible materials.
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Page 5: Piping Precautions
ELECTRICAL ELECTRICAL Electric Shock Hazard WARNINGS: • Disconnect all power supplies before servicing; lock out/tag out to prevent accidental electrical shock. Note: there may be multiple power sources. • Use copper conductors only. • Install all parts and panels before operating. •... -
Page 6: Piping Installation
PIPING These units employ a hydronic coil designed for use with either hot or chilled PIPING water. INSTALLATION • All piping must be adequately sized to meet the design water flow requirements as specified for the specific installation. Piping must be installed in accordance with all applicable codes. - Page 7 PIPING Determination of Right-Hand/Left-Hand References FIGURE 1. HYB PHYB: Installation, Operation, and Maintenance Instructions...
- Page 8 Installation of Valve Cluster Assemblies NSTALLATION OF ALVE LUSTER SSEMBLIES Horizontal hydronic fan coil units may use either a two-way (Figure 2) or three- way (Figure 3) motorized valve assembly. The following procedures describe each installation. 1: T ROCEDURE OTORIZED ALVE SSEMBLIES The two-way motorized valve assembly should be attached to the supply...
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Page 9: Pre-Startup Checks
PRE-STARTUP CHECKS Three-Way Motorized Valve Assembly FIGURE 3. PRE-STARTUP CHECKS • WARNINGS: Electrically ground fan coil. Connect ground wire to ground terminal marked “GND”. Failure to do so can result in injury or death. • Do not touch any rotating component with any object. Damage to the equipment and personal injury can occur. -
Page 10: Maintenance
MAINTENANCE MAINTENANCE INSPECTION AND Before start-up all of the components should be given a thorough check. CLEANING Optimal operation of this equipment requires cleanliness. Often after installation of this equipment additional construction activities occur. Care must be taken to protect the equipment from debris during these construction phases. -
Page 11: Maintenance Updates
MAINTENANCE Contact factory for Maintenance Program information. MAINTENANCE UPDATES HYB PHYB: Installation, Operation, and Maintenance Instructions... - Page 12 P.O. BOX 270969, Dallas, TX 75227 www.firstco.com www.ae-air.com The manufacturer works to continually improve its products. It reserves the right to change design and specifications without notice. ©2022 First Co., Applied Environmental Air...
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