Grant Aerona3 Series - Page 85

Appendix B - Wiring Diagrams Page 85
PCB
(MAIN)
H.P.SW.
EXP.V.
4 WAY V.
DEFROST HEATER
SENSOR (TEMP.,SUCTION) SENSOR
(TEMP.,DISCHARGE)
28
25
21
23
19
13 14
8
11
6
4
22
29
8
9
MOTOR
(FAN)
MOTOR
(FAN)
upper
lower
SENSOR
(TEMP.,DEFROST)
ON
OFF
PUMP
U
V
W
W V U
R W B
OR
Y
Y
OR
COMPRESSOR
OHR
TERMINAL BLOCK
REACTORREACTOR
FUSE CF2
(250V T5A)
GR
GR
B
BL
3
2
1
FUSE CF6
(250V T3.15A)
FUSE CF7
(250V T3.15A)
B B B
B
BL
W
B
W
R
W
B B
B
G/Y
B
Y BL
R
G/Y
W
N
L
POWER
1 2 3
PCB
(CONTROLLER)
PCB
(TERMINAL)
7
3 4
4
5
TRANSFORMER
2
1
Remote
Controller
1 2 3 4 5 6 7
17 18 19 20 21 22 23
Humidity Sensor
COM
DHW Remote Contact
ON/OFF or EHS Alarm
GND
24VAC
COM
Control
DHW
T.probe
OUTDOOR
T.probe
BUFFER
T.probe
Mix water
T.probe
3-way mixing valve
RS485
+
-
Dehumidier
Alarm Pump1 Pump2 Neutral N.C.
Neutral
EHS
Heating
Cooling
mode
output
Phase
Signal
3-way valve
8 9
10
11
12 13 14
Dual Set Point Control Heating Cooling mode Flow switch Night mode
Low
tari RS485 GND
45 46 47 48 49 50
31 32
24 25 26 27 28 29 30
15 16
N
41 42 43 44 51 52
Electric heater
RESET SW.
PUMP SW.RAM CLEAR
EEPROM
DIP SW.
FUSE CF1
(250V T10A)
R
SENSOR (TEMP., OUTDOOR) SENSOR
(TEMP., OUTGOING)
SENSOR (TEMP., RETURN)
R
B
W W
B
Colour of wires
B Black BL Blue
W White GR Grey
R Red OR Orange
G Green Y Yellow
BR Brown
HPID13R32 & HPID17R32 circuit diagram