Main Control Board - Carrier 40WAH024 Installation And Maintenance Instruction

High-static ducted indoor unit for mini variable refrigerant flow (vrf) systems
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Table 2 -- 40WAH Electrical Data
40WAH UNIT SIZE
024
030
036
048
LEGEND
MCA
-- Minimum Circuit Amps
MOPD -- Maximum Overcurrent
Protective Device
POWER SUPPLY
MCA
MOPD
2.4
15
2.5
15
2.5
15
3.0
15
o T o.
After the pipe work is complete,
the electrical supply can be
connected
by routing the cable through the appropriate
casing
holes or knockouts
and connecting
the supply and ground ca-
bles to the unit's power terminal.
Be sure the power wiring and control wiring do not cross, as
this might cause disturbance
on the controls side. See Fig. 11
and 12 for wiring diagrams.
NOTE: The indoor unit requires its own power supply. Indoor
units are not powered through outdoor units.
[
I
I
I
I
I GROUND
I
I
J
:E
ION1
CN13
ION2
RED
BLUE
Y/G
XTI
I
.__i
INDOOR POWER
GROUND
0Nll
MAIN
o.
,=_
WHI TE (GRAY)
XP2 XS2
DISPLAY
BOARD
I_
CONTROLLER
I
//_
'_DOMT?ML
IMTEMrMDE _ TR?;-- -,
MODULE
_
CONTROLLERI
=
ON5
,
= ON20
= ,
ON15
(WHITE)
ONtO
(YELLOW)
l°i
BLACK
ON oN ON
_1 ON MOWEM_S
F-]
IJ_ORANOE
CONTROL BOARD
P31j
BN4
CN6
WHITE
x
B[
_=_
GROUND
CN7
ON8
E
0N12 E
CNg[
CN17[
co
)
XS1 XPI r .............
,
= WEEKLY TIMER
'.21R2.°°".
!R°_.?2. i
N
CONNECT
TO
' CONNECT
TO
WIRED
CONTROLLER
'.OUTDOOR
UNiT
LEGEND
C
--
Fan Capacitor
CS
-- Water Level Switch
EEV
--
Electronic Expansion Valve
FM
--
Indoor Fan
PUMP
--
Pump Motor
T1
--
Inlet Air Temperature
T2
--
Coil Temperature
T2B
--
Evap. Outlet Temperature in Cooling Mode
TR
-- Transformer
XP1-8
--
Plug
XSl-8
-- Jack
XT1-2
-- Terminal Block
Optional Component or Field Wiring
NOTE: Field wiring must use copper conductors only.
Fig. 11 -- 40WAH024-036
Typical Wiring Diagram

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