Carrier 48KH - Manual

n
Number One
ArConditbning
l\Mer
Division of
Carrier Corporation
Carrier Parkway • Syracuse, N Y 13221
Combination Heating/Cooling Units
Note to Installer: After installation, leave these instructions. Owner’s Manual and Parts
Replacement Guide with equipment owner.
INDEX
Page
SAFETY CONSIDERATIONS.....................................1
GENERAL.......................................................................1,2
INSTALLATION.......................................................... 2-9
Step 1 — Rig and Place Unit..................................2
• ROOFTOP INSTALLATION
• GROUND LEVEL INSTALLATION
• CLEARANCES
• CONDENSATE DISPOSAL
• VENTING
Step 2 — Make Gas Piping Connections .. 5
Step 3 — Make Duct Connections...................... 6
Step 4 — Make Wiring Connections................... 7
• HIGH-VOLTAGE CONNECTIONS
• SPECIAL PROCEDURES FOR
208-V OPERATION
• LOW-VOLTAGE CONNECTIONS
• HEAT ANTICIPATOR SETTING
START-UP.................................................................. 9-18
SERVICE.....................................................................18-21
TROUBLESHOOTING CHARTS ...........................22,23
SAFETY CONSIDERATIONS
WARNING: ïîa|îrojîeTïOfei3tiî3.tîoo»iid.jiE5£îîî.etit, :
îîlieraiïoa, service-mamteroaïîce or tisecaiioatiiit: :
câsfboîî moaoxide poisocdiig, exi^osjoa,
eîectîîc sboeS:
oïbcf oc^Jweîîees. lÿfeicli m&y
lajare ym. or damage your pfopertj? Coasalt a
qaaîîfted îosîaU««, service or rbs ^
sïippSer for informasou or assistaace-
NOTE: Installation of this unit must conform to the
guidelines presented in these Installation Instruc­
tions. Read and become familiar with this publica­
tion before starting installation.
Only trained, qualified installers and service
mechanics should install, start-up and service this
equipment. Consult the Owner’s Manual for routine
maintenance. All other operations should be per­
formed by trained service personnel.
• Follow all safety codes.
• Wear safety glasses and work gloves.
• Use care in handling, rigging and setting bulky
equipment.
• Observe precautions in these instructions and on
equipment tags, stickers and labels.
WARNING: Do dsseoixaeot olecirtc power
to tilts
'S>
Fig. 1 — Model 48KH-KL
GENERAL
Models 48KH,KL packaged gas/electric units
(see Fig. 1) have been designed and tested in accord­
ance with ANSI Z21.47b-1982, ARI Standard
Carrier Corporation 1982 Form 48KH.KL-1SI