Fig. 2—38EYG060; 208-230v; 1 Phase; 60 Hertz
A00003
ORG
ORG
oror
RVS
BLK
BLK
DTS
SPEED
UP
DFT
BLK
or
PNK
PNK
or
BLK
GLER
W2
OYC
TERMINAL BLOCK
INDOOR UNIT
RED
WHT
ORN
YEL
BLK
CB
G
W3
LER
W2
OYC
BLU / PNK
LOGIC
LOGIC
C
CONT
T2
CTD
T1
C
*HPS
*LPS
Y
Y
DFT
DFT
C
RV S
R
R
W2
O
O
(LADDER FORM)
SCHEMATIC DIAGRAM
INDOOR THERMOSTAT (NOTE #5)
BLK
CONNECTION DIAGRAM
THIS DEFROST CONTROL BOARD CONTAINS A FIVE MINUTE SHORT CYCLE
PROTECTOR. A FIVE MINUTE DELAY WILL OCCUR BETWEEN COMPRESSOR
OFF/ON CYCLES.
* MAY BE FACTORY OR FIELD INSTALLED
COMP COMPRESSOR
CTD COMPRESSOR TIME DELAY
CONT CONTACTOR
CB CIRCUIT BOARD
DFT DEFROST THERMOSTAT
DR DEFROST RELAY AND CIRCUITRY
DTS DISCHARGE TEMPERATURE SWITCH
*DSV DISCH. SOLENOID VALVE (WHEN USED)
*HPS HIGH PRESSURE SWITCH
*LPS LOW PRESSURE SWITCH
OFM OUTDOOR FAN MOTOR
RVS REVERSING VALVE SOLENOID
RVSR REVERSING VALVE SOLENOID RELAY
*SC START CAPACITOR
*SR START RELAY
VPS VAPOR PRESSURE SWITCH
325778-101 REV. B
FIELD SELECTABLE OPTIONS FOR TIME PERIOD
BETWEEN DEFROST CYCLES (MINUTES)
-LEGEND-
FACTORY POWER WIRING
FIELD POWER WIRING
FACTORY CONTROL WIRING
FIELD CONTROL WIRING
CONDUCTOR ON CIRCUIT BOARD
COMPONENT CONNECTION
1/4-INCH QUICK CONNECT
TERMINALS
FIELD SPLICE
JUNCTION
AUXR AUXILLARY HEAT RELAY
CAP CAPACITOR (DUAL RUN)
*CH CRANKCASE HEATER
*CHS CRANKCASE HEATER SWITCH
123
123 123 123
30 MINUTES
60 MINUTES
(DEFAULT)
90 MINUTES
120 MINUTES
120
30
OR OR OR
60
90
DIP SWITCH SETTINGS
123
QUIET
SHIFT
ON
OFF
(DEFAULT
RVS R
AUXR
DR
OF1
OF2
CY OW2R
LOGIC
Y
T1
LOGIC
T2
60
90
120
30
SPEED
UP
R
C
C
DFT
O
PNK
PNK
ORG
ORG
BRN
YEL
CESO130076-01
CTD
RVSR
AUXR
NOTE
CONT
L1
11
21
EQUIP
GND
*SR
*SC
H
COMP
C
F
CAP
OFM
CONT
23
L2
DR
OF2OF1
*CH
*DSV
1
25
S
C
R
13
VPS
*CHS
NOTES:
1. COMPRESSOR AND FAN MOTOR FURNISHED WITH INHERENT THERMAL PROTECTION.
2. TO BE WIRED IN ACCORDANCE WITH NATIONAL ELECTRIC CODE (N.E.C.) AND LOCAL CODES.
3. N.E.C. CLASS 2, 24 V CIRCUIT, MIN. 40 VA REQUIRED, 60VA ON UNITS INSTALLED WITH LLS.
4. USE COPPER CONDUCTORS ONLY FROM DISCONNECT TO UNIT.
5. MUST USE THERMOSTAT AND SUB-BASE AS STATED IN PRE-SALE LITERATURE.
6. IF INDOOR SECTION HAS A TRANSFORMER WITH A GROUNDED SECONDARY, CONNECT THE
GROUNDED SIDE TO "C" ON THE CIRCUIT BOARD.
7. IF ANY OF THE ORIGINAL WIRE, AS SUPPLIED, MUST BE REPLACED, USE THE SAME OR
EQUIVALENT WIRE.
8. CHECK ALL ELECTRICAL CONNECTIONS INSIDE CONTROL BOX FOR TIGHTNESS.
9. DO NOT ATTEMPT TO OPERATE UNIT UNTIL SERVICE VALVES HAVE BEEN OPENED.
10. USE CONDUCTORS SUITABLE FOR AT LEAST 75 C (167 F).
*CH
BLK
BLK
BLK
YEL
COMP
BLK
CAP
YEL
BLU
*SR
*SC
OFM
BRN
208/230 1
POWER
SUPPLY
GND
EQUIP
CONT
BLK
L1
L2
BLK
*DSV
BRN
YEL
S
C
R
BLU
11
21
13 23
BRN
YEL
1
2
5
YEL
BLK
VPS
BLK
*CHS
BLK
*LPS
*HPS
YEL / PNK
YEL / PNK
RED
DTS
BLU / PNK
RED
JUMPERED TEST PINS (USE METAL OBJECT), FIELD SPEED-UP CYCLE
1)
MOMENTARILY
SHORT PINS
AND RELEASE
TO BYPASS COMPRESSOR OFF DELAY.
2) SHORT FOR 5+ SEC. AND
RELEASE
FOR FORCED DEFROST.
3) PERMANENT SHORT WILL BE IGNORED.
DEFROST WILL TERMINATE IN 30 SEC. IF DFT OPEN.
DEFROST WILL TERMINATE NORMALLY IF DFT IS CLOSED.
2
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