Contents
Service Instructions
Installation, Start-Upan
For Use in High Wall Applications
CONTENTS
and Outdoor Units
INSTALLATION
Table 1 -- System Combinations for Indoor
TYPICAL FAN COL UNIT
Clearances
Table 3 -- High Wall Unit Package Contents
Fig. 2 -- Minimum Required Fan Coil Unit
I_ ,,_lii. _I
UNIT 38AN
UNIT 38BK NOMINAL CAPACITY Tons
UNIT
Fig. 3 -- 38AN/BK Dimensional Drawing
ciso,..5s
LJI%,,:-I
Fig. 4 -- 40QN Dimensional Drawing
4OGNI Lb I Kgl i.. I mml in. I mmlie. I mm
Fig. 5 --Fan Coil Unit Refrigerant Piping
Table 5 -- System Piston Guide and
Refrigerant Charges
Jlllll! ilj=* =*=0 ! --H - - = l
For Fan Coil Unit
0 o2-P
Wall Hole Location
Rear Piping Size 009 Shown
PR |,LI-1,II _
Table 6 -- Flare Nut Tightening Torque
Step 7 -- Connect Condensate Drain Line
r_ |VI.__-_11,It1
Table 8 -- Electric Heater Data
•HeatPump,Size009Systems
6.Wiretheoutdoorunitsasfollows
8.Replaceaccesscover
•HeatPump,Size012Systems
Fig. 13 -- Mounting Remote Controller Bracket
9.Explain basic system operation to the owner
Fig. 14 -- Remote Controller
Fig. 15 -- Louver Adjustments
Operating Fault Diagnosis -- The system includes
Microprocessor Control Operation -- This sys
will stop30secondsafterthecompressorstopsAfter
Fig. 16 -- Electronic Control Defrost Regions Map
NO DEFROST OPERATION ADJUSTS IF LONG DEFROST
MORE THAN 6 MINUTES ADJUSTS IF SHORT LESS THAN
4O 3O 2O LU
To Remove and Clean or Replace Air Filters
CLEANING AND MAINTENANCE
To Install or Replace Remote Controller Batteries
Table 9 -- Cleaning and Maintenance Schedule
Fig. 18 -- Installing or Replacing Batteries
To Clean Outdoor Coil Outdoor Unit
To Clean Condensate Drains-- Clean all drains and
Fig. 19 -- Setting the Current Time
TROUBLESHOOTING
SERVICE
Table 10 --System Fault Codes
ry_lkkkkkkkkkS;Hff_.d
Table 12 --Troubleshooting
Table 11 -- 40QN Thermistor Properties
265,444
FLARE CONNECTIONS TO SERVICE VALVES
WIRELESS CONTROLLER*AIRFLOW LEGEND
2 WIRES +GROUND
WALL CAP
LEGEND AND NOTES FOR FIG.
38AN009 OUTDOOR SECTION
7-...-_
fl I rl II
40QNB009 FAN COIL
CONTROL
38AN012 OUTDOOR SECTION 40QN B012 FAN COIL
ODC Th
38BK009 OUTDOOR SECTION
40QNE009 FAN COIL
OOAThT1Qiii
_E_ _-__E-__
CONTROL PCB A55 Y
38BK012 OUTDOOR SECTION _
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Manufacturer
specifications or designs
Copyright 1999 Carrier Corporation
reserves
