Carrier 50VQ014 Installation, Start-Up And Service Instructions Manual

Number Опе
Air Conditioning
Maker
INDEX
Page Page
SAFETY CONSIDERATIONS ............ 1 € MAKE CONDENSATE DRAIN
INSTALLATION ........................ 1-5 LINE CONNECTION
Step 1 — Check Equipment and Step 4 — Make Electrical Connections... 4
Jobsite ЖЕЛТ Л XM PRI e e eee ead 1 € INSTALL A BRANCH CIRCUIT
€ UNPACKAGE UNIT DISCONNECT PER NEC
€ INSPECT EQUIPMENT € BRING POWER LEADS INTO UNIT
€ COMPLETE OR CONSIDER THESE € CONNECT GROUND LEAD TO
SYSTEM REQUIREMENTS GROUND LUG IN SPLICE BOX
Step 2 — Connect Supply Ductwork..... 2 e SET FAN MOTOR SPEED
Step 3 — Make Piping Connections...... 3 Ф CONNECT CONTROL POWER WIRING
€ CONNECT WATER SUPPLY AND
RETURN LINES
€ INSTALL BALANCING VALVES
SAFETY CONSIDERATIONS
Installation and servicing of air conditioning
equipment can be hazardous due to system pressure
and electrical components. Only trained and quali-
fied service personnel should install, repair or
service air conditioning equipment.
Untrained personnel can perform basic mainten-
ance functions of cleaning coils and cleaning 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 ànd labels
attached to the unit and other safety precautions
that may apply.
Follow all safety codes. Wear safety glasses ands
work gloves. Use quenching cloth for brazing
operations. Have fire extinguishers available for all
brazing operations.
INSTALLATION
Step 1 — Check Equipment and Jobsite
UNPACKAGE UNIT — Move to final location.
€ Carrier Corporation 1981
START-UP аза rx SAISIR RUPES 6
SERVICE. ho t bes REDE асы Ы ыза 7
`
INSPECT EQUIPMENT — File claim with ship-
ping company if shipment is damaged orincomplete.
COMPLETE OR CONSIDER THESE SYSTEM
REQUIREMENTS before installation:
a. Consult local building codes and National Elec-
trical Code (NEC) for special installation
requirements.
>b. Consider type of water source. Ensure there is an
adequate supply of water at temperature of 60 F
to 90F with minimum pressure of 20 psig.
c. Provide sufficient space for water piping, con-
densate drain, wiring and servicing unit. See
Fig. |. (Units installed in confined areas may
have to be removed for major servicing such
as compressor or fan motor replacement.)
d. Provide a minimum 6-in. clearance between
return air filter and adjacent wall.
e. Mount unit on floor or solid platform. (The
50HQ units can be suspended from ceiling.
See "f" below.) To reduce sound transmission,
especially when unit is located in a closet or
utility room having louvered doors, the follow-
ing acoustical treatment is recommended:
place an isolation pad under unit. Pad must be
same size as unit base. Construct a l-in. fiberglass
sound shield in front of unit.
Form БОНО,УО-25І