AirTap ATI50, Technical Manual

Page: 9 / 33

9
CONTROLS AND OPERATING LOGIC
A. TEMPERATURE AND PRESSURE SENSORS
The following sensors are inbuilt in the unit:
Temperature sensor type Terminology How to check?
1. Water temperature (upper) A0/T1 Press 'Up' arrow key
2. Water temperature (lower) A1/T2 Default display
3. Evaporator return line A2 Press 'Down' arrow key
4. Compressor discharge line A3 Press 'Up' & 'Down' arrow keys together
5. Ambient temperature A4 NA
6. Pressure sensor A5 NA
Tab. 3
1 A4—Ambient Temp Sensor
2 Anode Rod Port
3 A5—Low Pressure Sensor
4 A3—Compressor Discharged Temp Sensor
5 A1—(T2) Lower Temp Sensor
6 A0—(T1) Upper Temp Sensor
7 A5—High Pressure Sensor
8 A2—Evaporator Coil Temp Sensor
9 A8—Condensate Blockage Sensor (V2.01 onwards)
Fig. 5
A
LA
R
M
S &
ERR
O
R
S CO
DES
M
A
INT
EN
A
NCE
DU
CT
ING
CO
NT
R
O
LS &
O
PER
A
TI
N
G
LO
G
IC
SP
EC
IFI
CA
TI
O
N
FA
Q
s
A
PP
EN
DI
X