7
OPERATING & MAINTENANCE MANUAL
–
PACKAGED TERMINAL AIR CONDITIONER (PTAC) – RSAN
5. ERROR CODES
LCD PROGRAMMABLE THERMOSTAT
FEATURE LIST
•
Operates on 2 stage Heat and 2 stage Cool
•
7 programs (Mo, Tu, We, Th, Fr, Sa, Su) or
5-2 programs (Mo-Fr, Sa-Su)
•
4 Separate Time and Temperature Settings
for each program
•
Heat and Cool set-points for each program
•
EPROM stores heat and cool program settings
•
Temporary Program Override
•
Permanent Program Override
•
Compressor Short Cycle Protection
•
LCD Backlighting
•
Low Temperature Protection
USER INTERFACE
DESCRIPTION
TROUBLESHOOTING
E4
LOW REFRIGERANT
CHARGE
Low charge, dirty filter, or dirty
evaporator coil
E6
SYSTEM HIGH PRESSURE
PROTECTION
Condenser fan failure, dirty
condenser coil, or capillary tube
blockage
E8
INDOOR COIL FREEZE
PROTECTION
Dirty filter, dirty evaporator coil,
or fan motor failure
E9
COMMUNICATION ERROR
Faulty wiring from touchpad to
board or faulty board
DO NOT OPERATE ANY EQUIPMENT
THAT DOES NOT APPEAR TO BE
FUNCTIONING PROPERLY!
SYMBOL
PRESS
HOLD
s
UP/Override mode UP/Permanent
Override mode
t
Down/
Override mod
e
Down/Permanent
Override mode
ON/OFF
ON/OFF
--------
MODE
Set operation
mode
Internal Setting
FAN
Set fan speed/
Confirm
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