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CONNECTION DIAGRAM
BLU
L2
CONT
208/230 3Ø
BLK
POWER
L1
11 21
SUPPLY
L3
ALERT !
13 23
(NOTE 11)
BLK
EQUIP
GND
BLK
BLK
BLK
LOGIC
DR
CTD
OF1
LOGIC
OF2
60
120
90
30
C Y O W2 R
CB
CESO130076-01
WHT
YEL
RED
BLK
ORN
INDOOR UNIT
C
Y
O
R
E
L
G
W2
W3
TERMINAL BLOCK
C
Y
O
R
E
L
G
W2
INDOOR THERMOSTAT (NOTE #5)
SCHEMATIC DIAGRAM
EQUIP
GND
L1
COMP
T1
CONT
T3
21
11
DR
OF1
OF2
RVS
RVSR
O
O
W2
R
AUXR
R
RVSR
Y
Y
AUXR
T1
*HPS
*LPS
C
COMP
CAP
T1
T2
T3
YEL
YEL
*CHS
BRN
OFM
*CH
BLK
BLK
YEL
YEL
BRN
YEL
*LPS
YEL
*HPS
Y
BLU
T1
T2
YEL
C
BRN
ORG
C
RVS
ORG
ORG
O
ORG
or
or
BLK
BLK
PNK
DFT
DFT
BLK
BLK
R
or
PNK
or
PNK
PNK
(LADDER FORM)
L2
L3
T2
CAP
CONT
OFM
23
13
C
*CHS
*CH
DFT
DFT
LOGIC
CTD
T2
C
CONT
LOGIC
Fig. 4—Label Wiring 327216-101
5
- 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 (RUN)
*CH
CRANKCASE HEATER
*CHS
CRANKCASE HEATER SWITCH
COMP
COMPRESSOR
CTD
COMPRESSOR TIME DELAY
CONT
CONTACTOR
CB
CIRCUIT BOARD
DFT
DEFROST THERMOSTAT
DR
DEFROST RELAY AND CIRCUITRY
*HPS
HIGH PRESSURE SWITCH
*LPS
LOW PRESSURE SWITCH
OFM
OUTDOOR FAN MOTOR
RVS
REVERSING VALVE SOLENOID
RVSR
REVERSING VALVE SOLENOID RELAY
* MAY BE FACTORY OR FIELD INSTALLED
NOTE
THIS DEFROST CONTROL BOARD CONTAINS A FIVE MINUTE SHORT CYCLE PROTECTOR.
A FIVE MINUTE DELAY WILL OCCUR BETWEEN COMPRESSOR OFF/ON CYCLES.
- 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.
4. Use copper conductors only, from disconect 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 75ºC (167ºF).
11. It is imperative to connect 3Ø field power to unit with correct phasing. Wrong
phasing will cause reverse rotation of scroll compressor which will result in reduced
current draw, elevated noise level and improper operation. If rotation is reversed,
simply interchange any two of the three power connections on the field side.
DIP SWITCH SETTINGS
(DEFAULT)
120 MINUTES
30 MINUTES
60 MINUTES
90 MINUTES
30
1 2 3
60
1 2 3
1 2 3
OR
OR
OR
90
FIELD SELECTABLE OPTIONS FOR TIME PERIOD BETWEEN DEFROST
CYCLES (MINUTES)
SPEED
JUMPERED TEST PINS (USE METAL OBJECT), FIELD SPEED-UP CYCLE
UP
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.
CAUTION
1. Compressor damage may occur
if system is over charged.
2. This unit is factory charged with
R-22 in accordance with the
amount shown on the rating plate.
The charge is adequate for most
systems using matched coils and
tubing not over 15 feet long. The
best performance will be
achieved when the
unit operates with a suction gas
superheat at the compressor inlet
of 5ºF at normal rating
conditions of the air conditioning
and refrigeration institute (ARI).
This chart may be used to
approximate the charge if ARI
rating conditions cannot be
obtained. ARI rating conditions
are equivalent to DOE test "A"
conditions. See product data
literature for required indoor air
flow rates and for use of line
lengths over 15 ft.
3. Relieve pressure and recover all
refrigerant before system repair or
final unit disposal. Use all service
ports and open all flow-control
devices, including solenoid valves.
ON
120
1
2
3
1 2 3
QUIET
SHI F T
OFF
(DEFAULT)
327216-101 REV. A
A05017
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