4. If voltage is present, the wiring harness is bad; if not, the Easy
Select Board is bad.
VERIFY MOTOR WINDING SECTION:
Before proceeding with module replacement, check the following
to ensure motor winding section is functional. With control module
removed and unplugged from winding section:
1. The resistance between any 2 motor leads should be similar.
2. The resistance between any motor lead and the unpainted
motor end plate should be greater than 100K ohms.
If motor winding section fails one of these tests, it is defective and
must be replaced.
START-UP PROCEDURES
Refer to outdoor unit Installation Instructions for system start-up
instructions and refrigerant charging method details.
CARE AND MAINTENANCE
For continuing high performance, and to minimize possible
equipment failure, it is essential that periodic maintenance be
performed on this equipment. The only required maintenance that
may be performed by the consumer is filter maintenance.
Disconnect all power to unit before servicing field wires or
removing control package. The disconnect (when used) on
access panel does not disconnect power to the line side of
disconnect, but does allow safe service to all other parts of
unit. If unit does not have a disconnect, disregard the
foregoing. Instead, make sure that a disconnecting means is
within sight from, and is readily accessible from, the unit.
Disconnect all electrical power to unit before performing any
maintenance or service on it. A failure to follow this warning
can cause electrical shock, fire, personal injury, or death.
The minimum maintenance requirements for this equipment are as
follows:
1. Inspect and clean or replace air filter each month or as
required.
2. Inspect cooling coil, drain pan, and condensate drain each
cooling season for cleanliness. Clean as necessary. An inspec-
tion port is provided on all A-coil delta plates. Remove plastic
plug to inspect.
3. Inspect blower motor and wheel for cleanliness each heating
and cooling season. Clean as necessary.
4. Inspect electrical connections for tightness and controls for
proper operation each heating and cooling season. Service as
necessary.
Consult Fan Coil Service Manual available from equipment
distributor for maintenance procedures.
As with any mechanical equipment, personal injury can result
from sharp metal edges, etc, therefore, care should be taken
when removing parts.
Using the Owner’s/User Manual furnished in outdoor unit, the
installing technician should explain system operation to the con-
sumer with particular emphasis on indoor fan coil operation
sounds and filter maintenance.
Fig. 19—40FKA Printed CIrcuit Board with Comfort Heat Pump Set-up Guide
A98290
EASY SELECT
D
H
R
W
1
W
2
Y
1
Y/Y
2
G
O
C
HEATER/MOTOR
CEBD430226-01B CESS430226-01B
AUX HEAT KW/CFM
0-30
1075
SEC1
SEC2
J1
J2
AC/HP SIZE
036
030
024
018
AC
HP-COMFORT
HP-EFF
NOM
HI
ENH
LO
SYSTEM TYPE
AC/HP CFM ADJUST
ON/OFF DELAY
CONTINUOUS FAN
MED
HI
YEL
LO
AUX1
HUM1
AUX2
24VAC
GRY
HUM2
YEL
WHT
BLK
ORN
BLU
VIO
0-20
875
0-10
725
0
90
30
90
0
0
0-5
625
TM
LOW VOLTAGE TERMINAL BLOCK
MOLEX 12-PIN CONNECTOR
A
B
C
D
E
F
QUICK REFERENCE GUIDE
COMFORT HEAT PUMP SET-UP INSTRUCTIONS
A. AUX HEAT - Set for heater size (Ex: 0-10 for 10 kw)
B. AC/HP SIZE - Set for size of outdoor unit
C. SYSTEM TYPE - Select "HP COMFORT"
D. AC/HP CFM ADJUST - Select "LO"
E. ON/OFF DELAY - Select "ENH"
F. CONTINUOUS FAN - Leave on "LO"
2. Install heater with Intelligent Heat Staging, and remove
Jumper J2, except when using 5-, 8-, or 10-kw heater.
3. Remove Jumper J1 to activate all dehumidify modes.
4. Complete wiring and install outdoor temperature sensor according
to Installation Instructions.
1. Configuration Taps
(See Installation Instructions, for detailed description.)
• Option 5 (Variable Speed Motors) - set to ON
• Option 7 (Super Dehumidify) - set to ON
• Option 9 (Intelligent Heat) - set to ON if installing with
a single speed heat pump
• Option 12 (Heaters during Defrost) - setting "2" is
suggested for all heaters
• Option 16 (Super Comfort Heat) - set to ON for R-22
systems. For Puron applications, set to OFF.
2. Thermidistat Control Configurations
(See Thermidistat™ Control Installation Instructions for
detailed description.)
1. Set "DIP Switches" - Set the dip switches appropriate for
the specific system being installed.
EASY SELECT BOARD
THERMIDISTAT™ CONTROL SETTINGS
Copyright 2002 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231
40fk7si
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1
4
Tab
3d 2e
PC 101
Catalog No. 534–017
Printed in U.S.A.
Form 40FK-7SI
Pg 16
3-02
Replaces: 40FK-5SI
