Carrier WeatherMaker 50FC Handleiding
Carrier
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WeatherMaker 50FC
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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500353-01 Printed in U.S.A. Form No. 50FC-20-30-02SI Rev. A Pg 1 3-24 Replaces: 50FC-20-30-01SI
Installation Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 1
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Rated Indoor Airflow (cfm) . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Job-Site Survey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Step 1 — Plan for Unit Location . . . . . . . . . . . . . . . 19
• ROOF MOUNT
Step 2 — Plan for Sequence of Unit Installation . . 19
• CURB-MOUNTED INSTALLATION
• PAD-MOUNTED INSTALLATION
• FRAME-MOUNTED INSTALLATION
Step 3 — Inspect Unit . . . . . . . . . . . . . . . . . . . . . . . . 19
Step 4 — Provide Unit Support . . . . . . . . . . . . . . . . 20
• ROOF CURB MOUNT
• SLAB MOUNT (HORIZONTAL UNITS ONLY)
• ALTERNATE UNIT SUPPORT
(IN LIEU OF CURB MOUNT)
Step 5 — Field Fabricate Ductwork . . . . . . . . . . . . . 24
• FOR UNITS WITH ACCESSORY ELECTRIC HEATERS
Step 6 — Rig and Place Unit . . . . . . . . . . . . . . . . . . 24
• POSITIONING ON CURB
Step 7 — Horizontal Duct Connection . . . . . . . . . . 25
Step 8 — Install Outside Air Hood (Factory
Option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Step 9 — Assemble Barometric Hood . . . . . . . . . . 26
• BAROMETRIC HOOD (VERTICAL CONFIGURATION)
• BAROMETRIC HOOD (HORIZONTAL
CONFIGURATION)
Step 10 — Install External Condensate Trap and
Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Step 11 — Make Electrical Connections . . . . . . . . . 28
• FIELD POWER SUPPLY
• UNITS WITHOUT FACTORY-INSTALLED
NON-FUSED DISCONNECT
• UNITS WITH FACTORY-INSTALLED NON-FUSED
DISCONNECT
• ALL UNITS
• CONVENIENCE OUTLETS
• FACTORY-OPTION THRU-BASE CONNECTIONS
(ELECTRICAL CONNECTIONS)
• ELECTRIC HEATERS
Humidi-MiZer Control Connections . . . . . . . . . . . . . 33
• HUMIDI-MIZER – SPACE RH CONTROLLER
Typical Unit Wiring Diagrams . . . . . . . . . . . . . . . . . 34
Humidi-MiZer Dehumidification System
(Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
• NORMAL COOLING
• DEHUM/MECH COOLING (SUBCOOLING) MODE
• DEHUMIDIFICATION (HOT GAS REHEAT) MODE
• REHEAT CONTROL
EconomizerONE (Factory Option) . . . . . . . . . . . . . .42
• ECONOMIZER SETTINGS
•WIRING
• SETUP AND CONFIGURATION
• INSTALLING OPTIONAL HH57LW001 SINGLE
OUTSIDE AIR ENTHALPY SENSOR
• CHECKOUT
• TROUBLESHOOTING
SystemVu™ Controller (Factory Option) . . . . . . . . .63
Step 12 — Adjust Factory-Installed Options . . . . . .63
• SMOKE DETECTORS
• ECONOMIZERONE OCCUPANCY SWITCH
Step 13 — Install Accessories . . . . . . . . . . . . . . . . .63
Step 14 — Fan Speed Set Up . . . . . . . . . . . . . . . . . .64
• UNITS WITH ELECTROMECHANICAL CONTROLS
• UNITS WITH SYSTEMVU™ CONTROLS
START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . . CL-1
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment can be
hazardous due to system pressure and electrical components. Only
trained and qualified service personnel should install, repair, or
service air-conditioning equipment.
Untrained personnel can perform basic maintenance functions of
cleaning coils and filters and replacing filters. All other operations
should be performed by trained service personnel. When working
on air-conditioning equipment, observe precautions in the
literature, tags and labels attached to the unit, and other safety
precautions that may apply.
Follow all safety codes, including ANSI (American National
Standards Institute) Z223.1. Wear safety glasses and work gloves.
Use quenching cloth for unbrazing operations. Have fire
extinguisher available for all brazing operations.
It is important to recognize safety information. This is the safety-
alert symbol . When you see this symbol on the unit and in
instructions or manuals, be alert to the potential for personal
injury.
Understand the signal words DANGER, WARNING, CAUTION,
and NOTE. These words are used with the safety-alert symbol.
DANGER identifies the most serious hazards which will result in
severe personal injury or death. WARNING signifies hazards
which could result in personal injury or death. CAUTION is used
to identify unsafe practices, which may result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions which will result in enhanced installation, reliability,
or operation.
WeatherMaker
®
50FC-*20-30
Single Package Rooftop Cooling Only
with Puron
®
(R-410A) Refrigerant
and EcoBlue
™
Fan Technology
2
GENERAL
These installation instructions cover the 50FC units with cooling
only. Units are pre-wired and pre-charged with environmentally
balanced Puron
®
(R-410A) refrigerant at the factory. See Fig. 1 for
model number nomenclature. See Fig. 2-16 for unit dimensions.
See Fig. 5, 10, and 15 for service clearances.
Rated Indoor Airflow (cfm)
Table 1 lists the rated indoor airflow used for the AHRI efficiency
rating for the units covered in this document.
NOTE: Unit is not designed to have overhead obstruction. Contact
Application Engineering for guidance on any application planning
overhead obstruction or for vertical clearances.
DANGER
ELECTRICAL SHOCK HAZARD
Failure to follow this warning will result in personal injury or
death.
Before performing service or maintenance operations on unit,
turn off main power switch to unit and install lock(s) and
lockout tag(s). Ensure electrical service to rooftop unit agrees
with voltage and amperage listed on the unit rating plate. Unit
may have more than one power switch.
WARNING
UNIT OPERATION AND SAFETY HAZARD
Failure to follow this warning could cause personal injury,
death and/or equipment damage.
R-410A refrigerant systems operate at higher pressures than
standard R-22 systems. Do not use R-22 service equipment or
components on R-410A refrigerant equipment.
WARNING
PERSONAL INJURY AND ENVIRONMENTAL
HAZARD
Failure to follow this warning could cause personal injury or
death.
Relieve pressure and recover all refrigerant before system
repair or final unit disposal.
Wear safety glasses and gloves when handling refrigerants.
Keep torches and other ignition sources away from
refrigerants and oils.
CAUTION
PERSONAL INJURY HAZARD
Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care and
wear appropriate protective clothing, safety glasses and gloves
when handling parts and servicing air conditioning equipment.
Table 1 — Rated Indoor Airflow (cfm)
MODEL NUMBERS FULL LOAD AIRFLOW (cfm)
50FC-*20 6,125
50FC-*24 7,000
50FC-*28 8,750
50FC-*30 10,000
Product specificaties
| Merk: | Carrier |
| Categorie: | Niet gecategoriseerd |
| Model: | WeatherMaker 50FC |
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