Carrier 40VMM048A - Page 15

15
NOTE: Field wiring must use copper conductors only.
Fig. 22 —40VMM007A-009A Typical Wiring Diagram
CN2
Y/G
L1 L2
RED
BLUE
POWER IN
XT1
((9
EULB
ETIHW
DER
$+
%+
FM
ALARM
PUMP
CN18CN3
CN24
EARTH
Y/G
CN15CN9CN17
To wired
controller
comm. bus
To outdoor/indoor/MDC
units comm. bus
T2A
Outlet Pipe temp. Sensor
Inlet Pipe temp. Sensor
T2B
EEV
Warning lamp
Electronic expansion valve
ALARM
Indoor fan motor
Room temp. sensor
T1
FM
Code
Title
XS1-5
XP1-7
XT1-2
Connectors
Terminal
Pump motor
Water level switch
PUMP
CS
CN51
CN50
ACB interface
( Current range: 0-1A)
(Voltage range: 0-24V AC/DC)
FAN
CTON HTON
AUXH
T2A
T2B
T1
XS3
XP3
XS1
XP1
XS2
XP2
YELLOW
GRAY
WHITE
BLUE
ON/OFF
SWITCH
SW8SW1
3GOT(UGXJ
ON ON
ENC2
XT2
CN21 CN12
CN14
CN4
CN5
CN54
CN52
CN8
Occupancy
sensor/ON-OFF
(Dry contact)
P
Q
P
Q
ENC1
“ +5V GND +12V ”
ONLY USED
FOR TESTING
XS4XP4
Display Board
XS5XP5
XP6
XP7