United Technologies Carrier BNC009 Series Installation, Start-Up And Service Instructions Manual

Coolinq Model Heat Pump
BNC009 BNQ009
BNC012 BNQ012
BNC018 BNQ018
51302618912-C 0706
BNC/BNQ 009,012,018
Duct Free Systems
Only trained, qualified installers and service mechanics should
install, start-up, and selwice this equipment.
Untrained personnel can perform basic maintenance func-
tions such as cleaning coils. All other operations should be per-
formed by trained selwice personnel.
When working on the equipment, observe precautions in the
literature and on tags, stickers, and labels attached to the equip-
ment.
Follow all safety codes. Wear safety glasses and work gloves.
Keep quenching cloth and fire extinmJisher nearby when brazing.
Use care in handling, rigging, and setting bulky equipment.
Before installing or servicing system, always turn offmain power
to system and install lockout tag on disconnect. There may be
more than one disconnect switch. Electrical shock can cause
personal injury.
GENERAL
These instructions cover the installation, start-up and servic-
ing of 38BNC/BNQ outdoor and 40BNC/BNQ indoor units cool-
ing only and heat pump duct free systems. See Table 1 for parts
included. See Tables 2 and 3 t\_r Physical Data.
System Requirements
IMPORTANT: The Indoor unit & the inter units cable
voltage is 30 VDC.
IMPORTANT: Each refrigerant line must be insulated
Separately. See line sizing requirements in tabel 2.
Manufacturer reserves the right to discontinne, or change at an} time, specifications or designs without notice and without inc.
Pg 1
Consult local building codes and National Electrical Code
(NEC, U.S.A.) for special installation requirements.
Max. cable length. Total voltage drop should not exceed IV.
Therefore max. length:
For #18 AWG 24.3 Feet (7.4 m)
For #16 AWG 37.7 Feet (11.5 m)
For #14 AWG 50.0 Feet (18 m)
Use only type "G" or "C" fuses. Use single length power
cable without extension. Allow sufficient space t\_r airflow
clearance on condens-ing units for wiring, refiigerant piping,
and servicing unit. See Fig. 1 and 2 for minimum required
distances between unit and walls or ceilings.
Indoor and outdoor units should be installed at a
Minimum length of 10 ft. apart.
Maximum line length of 50 ft. and
vertical separation of 30 ft.
Do not install indoor units near a direct source of heat such as
direct sunlight, steam or flame.
Do not bury more than 36 in. of refrigerant pipe in the _ound. If
any section of pipe is buried, there must be a 6 in. vertical rise to
the valve connections on the outdoor units. If more than the rec-
omlnended length is buried, refrigerant may mLm'ateto the cooler
buried section during extended periods of systeln shutdown. This
causes refiiger-ant slugging and could possibly damage the com-
pressor at start-up.
FRONT (min.)
2" (0.6m)
Fig. 1A -- 38BNC/BNQ 009 Outdoor
FRONT (rnin.)
2" (0.6m)
Fig. 1B --38BNC/BNQ 012, 018 Outdoor Unit Clearances
Printed in Israel
SAFETY CONSIDERATIONS
Installing, starting up, and servicing air-conditioning equip-
ment can be hazardous due to system pressures, electrical compo-
nents, and equipment location (root;, elevated structures, etc.).
CONTENTS
Page
SAFETY CONSIDERATIONS ................................ 1
GENERAL ........................................................... 1-5
INSTALLATION ................................................ 6-17
Indoor Unit Installation ........................................ 6
Outdoor Unit Installation ..................................... 8
Power Supply ....................................................... 9
Leak Test ............................................................... 9
Wiring Diagrams ............................................ 11-16
START-U P ........................................................... 17
System Checks ................................................... 17
CARE AND MAINTENANCE ............................... 17
Outdoor Units ..................................................... 17
Indoor Units ........................................................ 17
To Clean the Indoor Unit Front Panel ............... 17
To Clean Indoor Coil .......................................... 17
Air Filters for Indoor Units ................................ 17
SERVICE ............................................................. 17
TROUBLESHOOTING .................................... 18-21
Installation, Start-Up and Service Instructions