8-5
CONTROL SYSTEM
Revision Y05-01
Service Manual - DNC Series
01. Legend
1.1. Abbreviations
AC
- Alternate Current
A/C -
Air-Conditioner
ANY
- ON or OFF status
CLOCK
- ON/OFF Operation Input, (dry contact)
COMP -
Compressor
CPU
- Central Processing Unit
ELUM
- Extended Louver Upward Movement (Software
Jumper)
HE
- Heating Element
HPC
- High Pressure Control
H/W -
Hardware
ICP -
Indoor
Condensation
Pump
ICT
- Indoor Coil Temperature (RT2) sensor
IF, IFAN
- Indoor Fan
IR -
Infra
Red
LEVEL1 -
Normal
Water
Level
LEVEL2/3 -
Medium/High
Water
Level
LEVEL4 -
Overflow
Level
Max -
Maximum
Min -
Minimum
min -
Minute
(time)
NA -
Not
Applicable
OCP -
Outdoor
Condensation
Pump
OCT
- Outdoor Coil Temperature (RT3) sensor
OF, OFAN
- Outdoor Fan
OPER -
Operate
Para. -
Paragraph
RAT
- Return Air Temperature (RT1) sensor
RC
- Reverse Cycle (Heat Pump)
R/C
- Remote Control
RCT
- Remote Control Temperature
RH -
Resistance
Heater
RT
- Room Temperature (i.e. RCT in IFEEL mode, RAT
otherwise)
RV
- Reversing Valve
SB, STBY
- Stand-By
sec
- Second (time)
Sect -
Section
SH
- Supplementary Heater
SPT -
Set
Point
Temperature
ST
- Standard (a Model with Cooling Only)
S/W -
Software
TEMP -
Temperature
W/O -
Without
∆
T
- The difference between SPT and RT.
in Heat Mode:
∆
T =
SPT-RT
Cool/Dry/Fan Mode:
∆
T =
RT-SPT