Wiring Diagrams
21.10 Single-Stage, Single-Phase Unit with Optional Components, CA Motor, and Electric Heat
Fig. 38 Single-Stage, Single-Phase Unit with Optional Components, CA Motor, and Electric Heat
DRAWN BY: DATE REV
PART No.
E-MAIL:
1 STAGE - 1 PHASE - CA MOTOR
2 THROUGH 6 TONS CAPACITY
FZA 4/8/2024 2CL111010
UPM I - OPTIONS - EH
8 733 838 097
FACTORY WIRE
FIELD WIRE
NOTES:
1. SEE UNIT NAME PLATE FOR ELECTRICAL RATING.
2. ALL FIELD WIRING MUST BE IN ACCORDANCE WITH
N.E.C.-N.F.P.A. #70, COPPER CONDUCTORS ONLY - CONDUCTEURS EN CUIVRE SEULEMENT.
3. 208/230V UNITS ARE FACTORY WIRED FOR 230V OPERATION. FOR 208V OPERATION,
REMOVE PRIMARY LEAD FROM 240 TERMINAL AND CONNECT IT TO 208. CAP ALL UNUSED TERMINALS.
4. FOR ALTERNATE EMS COIL VOLTAGES CONSULT FACTORY.
5. UPM-I INCLUDES BUILT IN: 270-300 SECOND RANDOM START
300 SECOND DELAY ON BREAK
120 SECOND LOW PRESSURE BYPASS
6. "TEST" DIP SWITCH REDUCES DELAYS TO 10 SEC WHEN SET TO YES. MUST BE SET TO "NO" FOR NORMAL OPERATION.
7. "FREEZE SENSOR" ON CONDENSER WILL BE SET TO 25°F OPERATION BY DEFAULT, IF 15°F OPERATION IS REQUIRED, MOVE DIP
SWITCH SLIDER TO THE 15°F POSITION.
8. "ALARM OUTPUT" DIP SWITCH MUST BE SET TO "PULSE" IF BLINKING T-STAT SERVICE LIGHT IS DESIRED OR IF DDC
CONNECTION IS AVAILABLE. CONT FOR NON BLINKING THERMOSTAT CONNECTION.
9. DEFAULT SETTINGS FOR UPM BOARD FROM FACTORY SHOWN. ALSO SEE INSTALLATION MANUAL.
10. ALARM OUTPUT IS NORMALLY OPEN (NO) DRY CONTACT. IF 24 VAC IS NEEDED, CONNECT R FROM TERMINAL BLOCK TO
ALR-COM TERMINAL, 24VAC WILL BE SENSED ON THE ALR-OUT WHEN THE UNIT IS IN ALARM CONDITION. OUTPUT WILL BE
PULSED IF PULSE IS SELECTED.
11. REVERSING VALVE NOT PRESENT ON UNITS WITH STRAIGHT COOL.
12. A2R WILL ONLY BE PRESENT WHEN OPTIONAL A2L SENSOR IS CONNECTED.
13. DUAL RESET PRIMARY CONTACTS WILL OPEN AT 145°F (+/-5°F) AND CLOSE AT 105°F (+/-9°F). BACK UP CONTACTS WILL
OPEN AT 185°F (+/-8°F). BACK-UP CONTACTS WILL NOT RESET IN AMBIENT TEMPERATURES ABOVE -31°F.
RV
DPS
24
EMS
AUX
C1
EM
Y1
G
O
Y2
W1
C2
H
C
R C G O Y1 Y2 W1 W2 H C
CFM ADJUST
TO ECM MOTOR
A
B
C
D
NORM
(+)
(-)
TEST
YES
HGRH
NO
CFM
R
R
HGV
LUG
GROUND
UNIT
L1 L2
DS
LWV
LWV
UPM STATUS LED - BLINK CODES
1
HIGH PRESSURE FAULT
2
LOW PRESSURE FAULT
3 CONDENDSER FREEZE CONDITION
4 CONDENSATE OVERFLOW FAULT
5
BROWN OUT FAULT
6 EVAPORATOR FREEZE CONDITION
7 REFRIGERANT LEAKAGE
BLK (COM)
TRANSFORMER
CC
T1
L1
T2
L2
CAP
COMP
C
R
S
OPTIONAL COMPONENTS LEGEND:
[ ] A2L - AIR TO LIQUID REFREGIRENT LEAK SENSOR
[ ] A2R - A2L BLOWER RELAY
[ ] AUX - AUXILIARY RELAY
(FOR LOOP PUMP, ETC)
[ ] BMR - BLOWER MONITOR RELAY
[ ] CBR - 24V CIRCUIT BREAKER (75VA & 100VA ONLY)
[ ] CMR - COMPRESSOR MONITOR RELAY
[ ] DPS - DIFFERENTIAL PRESSURE SWITCH
[ ] DS - DISCONNECT SWITCH
[ ] EMS - ENERGY MGMT SYSTEM RELAY
[ ] HGV - HOT GAS VALVE SOLENOID
[ ] HSL - HIGH TEMPERATURE SUCTION LIMIT
(WITH HOT GAS BYPASS ONLY)
[ ] LWV - LEAVING WATER VALVE
[ ] MBV - MOTORIZED BALL VALVE
3
21
BMR
RD
BK
BK
11
LED1
EC
BC
OPTION CARD
OFF
LED2
LED3
LED4
H
O
Y
R
LED5
LED6
LED7
LED8
Y_OUT
G_OUT
O_OUT
W_OUT
LED9
LED10
H_OUT
E_OUT
-30F
100F
20 50
-30F
100F
20 50
POT
HEAT_SP
POT
COOL_SP
G_OUT
Y_OUT
R
C
H
O
Y
H2O
E_OUTH_OUT
W_OUTO_OUT
RH
EWTS
BK
BK
1
2
3
MBV
BL
YL
YL
RD
BK
BK
BL
OR
YL
YL
OR
RD
BL
BL
BL
RD
BL
BL
RD
RD
RD
WT
YL
OR
GY
GN
GY
OR
RD
BK
BM
BK
WT
SEE NOTES 5 - 10
GN/YL
WT
YL
USE CLASS II FIELD WIRING
G_Out
G
C
OUT
COM
POWER
UNIT PROTECTION MODULE
STATUS
R
R
ALARM
FREEZE1
FREEZE2
COND
LPC
HPS
CC
LOCKOUT 4 2
RESET R Y
ALARM CONT PULSE
TEST YES NO
FREEZE1 15F 25F
FREEZE2 15F 25F
PUMP YES NO
GND
TO
DDC
OR
THERMOSTAT
CS
FS2
FS1
LPS
HSL
VT
CC
CMR
BN
BN
BL
BN
BK
WT
GN/YL
A2L
Y
HPS
HPS
YL
BL
BK
RD
EHR
3
9
HC
EHR
WT
BL
BL
STANDARD COMPONENTS LEGEND:
BM - BLOWER MOTOR
CAP - COMPRESSOR CAPACITOR
CC - COMPRESSOR CONTACTOR
CS - CONDENSATE SENSOR (IN DRAIN PAN)
FS - FREEZE SENSOR
EHR - ELECTRIC HEATING/BLOWER RELAY
HE - HEATING ELEMENT
HLS - HEATING LIMIT SWITCH
HPS - HIGH PRESSURE SWITCH
HC - HEATING CONTACTOR
LPS - LOW PRESSURE SWITCH
RV - REVERSING VALVE (HEAT PUMPS)
GN
A2R
3
9
12
HLS1
HE1
HC
HC
RD
BK
HLS2
HE2
RD
BK
13
13
ELECTRIC HEAT
ELEMENTS
kW HE1 HE2
5 HLS1
7.5 HLS1 HLS2
10 HLS1 HLS2
24VAC BY OTHERS
4
A2R
GN
CBR
RD
BL
CLASS II POWER SUPPLY
TRANSFORMER
RD
A2R
47
EHR
4
7
FOR REFERENCE ONLY Actual unit wiring may vary from this
example. Always refer to the wiring diagram attached to the unit.
| 81
CL Series Heat Pumps — 8733838716 (2024/05)
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