Heatcraft Refrigeration Products Refrigeration System H-IM-82B - Manual (Page 17)

17
Large Cabinet Models Wiring. 208-230/3/60 voltage.
Diagram 4. Wiring Diagram for System, Air Defrost 208-230/3/60 (C): Models PTT099H2C and PTT128H2C.
Cooler - Air Defrost Systems - Three Phase
YELLO
W
BLACK
R
T
N
L
C
BLACK
BLUE
BLAC
K
BLUE
-(3) Hours of compressor run time between defrosts
.
Approximate dial settings of room thermostat dial
:
-Room temp sensor has 59" lead length -Defrost sensor has 59" lead length and a blue label. -Defrost termination temperature = 3.5°C / 38°F Minimum compressor of
f time - 4 minute
s
Minimum compressor run time - 1 minute Room
Thermostat Notes: 0 - Unit Of
f ( Not an electrical disconnect
)
1 - 52°F /
11
°C
3 - 45°F / 7°
C
4 - 41°F / 5°
C
5 - 38°F / 3°
C
6 - 34°F / 1°
C
CC
R
T
-- ROOM
THERMOS
TA
T
CFM -- CONDENSER F
AN MOT
OR
CC -- COMPRESSOR CONT
ACT
OR
EFM -- EV
APORA
T
OR
FA
N MOT
OR
LEGEND
HL
-- HE
A
T
ER LIMIT
THERMOST
A
T
DH -- DEFROST
HEA
TER
GND -- GROUND
RC -- RUN CA
P
A
CI
T
O
R
SR -- ST
AR
T
REL
A
Y
USE COPPER CONDUCT
ORS ON
LY
NOT
FA
CT
OR
Y
WIRING
FIELD WIRING (WHEN PLUG
PROVIDED
)
SC -- ST
AR
T
CAP
ACIT
O
R
HPS -- HIGH PRESSURE SWITC
H
PRIMAR
Y
SINGLE PHASE PROTECTION PROVIDE
D
PRIMAR
Y
SINGLE PHASE PROTECTION PROVIDE
D
CCH -- CRANKCASE HEA
TER
PFC -- PRESSURE F
AN CYCLE SWITCH
DL
T
-- DRAIN LINE
THERMOST
A
T
DLH -- DRAIN LINE HEA
TE
R
TFC --
TEMPERA
TURE
FA
N CYCLE SWITCH
WN -- WIRE NU
T
SW -- SWITCH
COMPRESSOR L1
L3
L2
1
2
3
208-230V/3PH/60HZ
L1
T1
CC
L2
T2
L3
T3
GND
CFM CFM
EF
M
EF
M
EF
M
DL
H
YELLOW
W
H
IT
E
WN
DL
T
GRA
Y
WN
WN
GRA
Y
BLU
E
CC
H
BLAC
K
BLAC
K
YELLO
W
PF
C
WN
L1
T1
WN
TFC
Re
v
2.
47
EF
M
EF
M
EF
M
Large Cabinet
La
rg
e
C
ab
in
et
Outdoor Units Only
O
u
td
o
o
r U
n
it
s
O
n
ly
5.
W
iring
Inf
orma
tion