Bryant 702B Installation, Start-Up, And Operating Instructions Manual page 28

SET-UP INSTRUCTIONS FOR WARMER HEATING TEMPERATURES
AND SUPER HUMIDITY CONTROL IN COOLING
9 PIN CONNECTOR
ICM PRINTED CIRCUIT BOARD
SEC1 SEC2
EASY SELECT
AUX HEAT KW/CFM
0-30 0-20 0-10
1075 875 725
A
VIO
AC/HP SIZE
036 030 024
B
BLU
SYSTEM TYPE
AC HP-COMFORT
C
ORN
AC/HP CFM ADJUST
NOM LO
D
BLK
ON/OFF DELAY
0 30 0
E 90 90 0
WHT
CONTINUOUS FAN
LO MED HI
F
YEL
HEATER/MOTOR
12 PIN CONNECTOR
SYSTEM
IFM does not run
IFM operation is intermittent
QUICK REFERENCE GUIDE
J1
TM
0-5
625
018
D
HP-EFF H
R
W
1
W
2
HI
Y
1
Y/Y
2
G
J2
O
ENH
C
AUX1 HUM1
YEL
AUX2 HUM2
24VAC
GRY
ICM QUICK REFERENCE GUIDE
TABLE 24—TROUBLESHOOTING CHART
CAUSE
Blower wheel not secured to shaft
Insufficient voltage at motor
Power connectors not properly seated
Connectors not firmly seated
—28—
EASY SELECT BOARD
1. Configuration Taps
(See Installation Instructions, for detailed description.)
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 - Select desired speed
2. Remove Jumper J1 to activate all dehumidify modes.
3. Complete wiring and install outdoor temperature sensor
according to Installation Instructions.
THERMIDISTAT™ CONTROL SETTINGS
1. Set "DIP Switches" - Set the dip switches (back of Thermidistat
Control Board) appropriately for specific system being installed.
2. Thermidistat Control Configurations
(See Thermidistat™ Control Installation Instructions for
detailed description.)
• Option 5 (Variable Speed Motors) - set to ON
• Option 7 (Super Dehumidify) - set to ON
• Option 12 (Heaters during Defrost) - setting "2" is
suggested for all heaters
• Option 16 - Heat pump systems set to ON for warmer heat
below 40 F.
• Option 17 - Select programmable or non-programmable mode.
3. Set desired humidity level on front of Thermidistat
(50 to 55% RH recommended). For dehumidification in
cooling, both "dhu" and "cool" must be displayed.
Inspect and properly tighten blower wheel to shaft
Determine cause and correct
Connectors should snap easily; do not force
Gently pull wires individually
to be sure they are inserted
REMEDY
into the connectors
c01034