United Technologies Carrier BNC009 Series Installation, Start-Up And Service Instructions Manual page 14

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6 Jl_
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STEPPER _]
MOTOR J 1
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9
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TAC 671 MaLn Board
TAC 670 control
INDOOR UNIT
TH3
FAN
H,L.T.V
RVS
COMP.
+12V RED
-12V BLK ]
+30V WH
1
FAN 1
BLUE
|
L_
/
FAN 2
RED
L
FAN 3
BLK
TAC 672 B
Motor Controt
Model
TB
BLK
YEL
WH
OR
RED
GREEN
RED + 30 VDC
BLK DC RTN
YEL VSP
WHT+ 12VDC
12
CC -Compressor Capacitor
COMP-Compressor
FC -Fan Capacitor
GND -Ground
RVS -Reversing VaNe Setenoid
HLTV -Heating Low Temp. Valve
TB -Terminal Biock
TH -Thermistor
7152A
BLDC
MOTOR
*** -16 AWG
JLEGEN D
** -14 AWG
-12 AWG
ALL OTHER WIRES 18 AWG
o -Spfice
• -Terminal (Unmarked)
Factory WLring
FLetd Control WLring
FLetd Power WLring
......... Accessory or Optional Wiring
Wiring Diagram Heat pump
OUTDOOR UNIT
TH3
0
GR/YEL
TB
**BLK 1
**YEL 2
**WH 3
**OR 4
**RED 5
**GREEN 6
r-U
I GND
P[!
L1N__
11 5 VAC
Mains AC Supply
DC Out (+)
***RED
BC RTN(-)
J1 TB 1
RAN j_
COM P
TAC673
Relay Board
BLK
BLK
HL'FV
GREEN
GREEN
*BR
* BLUE
GR/YEL
*** GR/YEL
DC AC
Oat IN
O q_-
t-
30VDC
Power Supply
N BLUE
L1 BR
rn
-x
COMP.
FAN
MOTOR
***GREEN
BLK
RVS
BLK
*BLUE
BLK
*OR
WHT
I-'z >- "*" I
T _ _j
rY
>-
d
DC PK
©
TB
NOTES:
1. If any of the original wire furnished must be replaced, it must
be replaced with Type 90° C wire or its equivalent.
2. Wire in accordance with National Electrical Code (NEC) and
local codes.
3. Thermistor wiring cable 32 ft long provided with indoor unit.
4. Compressor and fan motors are protected by internal thermal
overloads.
Fig. 16 -- System Wiring Schematic 40BNQ012 Fan Coil with 38BNQ012 Condensing Unit