SCHEMATICS
59 Rev 1
TO AVOI
D
P
O
SSI
B
L
E ELECTRI
CAL SHOCK,
PERSO
NAL I
N
JURY,
OR DEATH,
DI
SCO
N
NECT THE POW
E
R
B
E
FORE SE
RVI
C
IN
G.
WAR
N
IN
G
!
TYPICAL SCHEMATIC - RHA*A2*/RHD* MODEL HEAT PUMP - BHAA or BHAS BLOWER COIL
AHK20 HEATER KIT - ATK05A CONTROLLING 2nd STAGE ELECTRIC HEAT - THERMOSTAT
*RHD Defrost Control Wiring not as shown, see appropriate wiring diagram for further information.
ROOM THERMOSTAT
Thermostat shown for reference
only. See the thermostat installation
instructions for additional information.
BLOWER MOTOR
HI
LO
C
R
W1
W2
G
R1
TD1
TD2
TD5
RFC
FL1
FL2
FL3
FL4
HE1
HE2
HE3
HE4
LC1
LC2
LC3
LC4
RFC
TD5
TD2
TD2
TD1
TD1
R1
240-60-1
BLOWER COIL
OUTDOOR UNIT
1
2
5
S
R
C
COMP
START CAP
RUN CAP
START RELAY
208/230-60-1
FAN MOTOR
DFR4
12
4
Hard Start components not used on all models.
CC
T1
L1
L2
OFF
HEAT
COOL
ON
R
Y
G
W2
AUTO
E
C
AUTO
O
4
2
6
5
OUTDOOR UNIT
R
C
W2
Y
E
O
RS
CC
HPC
HTC
DFR2
30/60
DEFROST
CONTROL
T1
T2
T3
TST
C
HLD
OUT
24V
DFR
DFR3
ATK05
R1
R2
Y1
DFR1
SCP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
34
26
3, 33
13
24
18
21