Lennox CBX25UHV-018, Руководство по установке

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Page 15
MERIT
®
CBX25UHV SERIES
15 AMP
SUPPLY
VOLTAGE
L1
L2 OR
NEUT.
WIRING DIAGRAM: NO HEAT
WIRE NUTS
BY OTHERS
14 GRN
2
14 BLK
1
GRD
14 YEL(240V)
14 WHT(120V)
6−PIN
PLUG
6
4
1
5 6
2
3
1st STAGE
C
R
18 BLK
15 KW = HE1,HE3 & HE4
7.5 & 10 KW = HE1 & HE2
5 KW = HE1
HEATERS USED
2nd STAGE
1st STAGE
L2B
L1B
(OPT.)
TB = TERMINAL BLOCK
GND.
12 BLK
12 BLK
12 YEL
HE3
LS3
HE4
LS4
12 YEL
1
3
2
4
18 BLU
SEQ 2
CIRCUIT BREAKER 2
12 BLK
3
2
6 5
1
4
HE1
HE2
LS1
LS2
12 BLK
12 YEL
12 YEL
6−PIN
PLUG
3
14 RED
(OPT.)
LOCATION
PLUG PIN
SEQ 1
1
4
5
3
12 BLK
12 BLK
GND
CIRCUIT
BREAKER 1
L1A
L2A
5
18 WHT
4
18 BLU
2 1
14 YEL 14 BLK
CONTROL (FIELD WIRED)
CONTROL (FACTORY WIRED)
POWER (FIELD WIRED)
POWER (FACTORY WIRED)
GROUND LUG
TO BLOWER
BE 24 VOLT, N.E.C. CLASS 2
CONTROL CIRCUIT WIRING TO
WIRING DIAGRAM − ELECTRIC HEAT
LS = LIMIT SWITCH
GND = GROUND LUG
CB = CIRCUIT BREAKER
SEQ = SEQUENCER
TR = TRANSFORMER
TD = TIME DELAY (OPT.)
BR = BLOWER RELAY
MTR = BLOWER MOTOR
GND = GROUND CONNECTION
CAP = MOTOR CAPACITOR
14 YEL
L
2
14 BLK L1
COM
208V
240V
6 5 4 3 2
1
**
220
208/240
VOLTAGE
BY OTHERS
PART NO. 104796−01
12 BLK
12 BLK
1
2
3
4
5
1
2
3
4
5
6
8
9
10
11
12
13
14
15
7
1
2
3
4
5
6
8
9
10
11
12
13
14
15
7
16
Y2 DS O W1 W2
Y1
G
14 RED L2
18 BLUE L2
18 WHITE L2
18 BLACK L2
R
CIRCUIT
BOARD
MOT
OR
TR
BR
GRD
18 YEL
18 ORG
18 PRPLE
18 BLUE/WHITE
18 GRN 18 RED 18 WHITE
18 BLK
18 RED
18 YEL
18 BLUE
18 RED
18 RED
18 YEL
14 YEL
14 YEL
14 BLK
18 WHITE
18 WHITE
18 WHITE
18 WHITE
18 WHITE
18 WHITE
18 WHITE
18 WHITE
18 ORANGE
18 PURPLE
18 WHITE
18 WHITE
18 WHITE
18 YELLOW
18 GRN
C
18 BLUE
18 BLK
18 BLU
18 WHT
18 BLU
18 BLK
WARNING
USE COPPER CONDUCTORS ONLY
14 RED
2
6
***SEQ4
***SEQ3
*** SEQUENCER USED: WIRED AS SHOWN
RELAY USED: WIRED PER RELAY POLE
TO BREAK CIRCUIT
NO DEVICE PRIOR TO 10−15−2014
1 2
3
4
1
2
3
4
THREE POLE SEQUENCER
TIMING − SEC
ON
1−20
20−60
20−60 OFF
40−110
1−30
1−30
TWO POLE SEQUENCER
TIMING − SEC
ON
30−90
30−90 OFF
1−30
1−30
W2
W1 O
G
R
DS
C
Y2
Y1
GND
W2 W1
G
O R
DS
C
Y1
Y2
SYSTEM FIELD JUMPERS
SINGLE STAGE AIR CONDITIONER NEED ALL
TWO−STAGE AIR CONDITIONER REMOVE Y1 TO Y2
SINGLE STAGE HEAT PUMP REMOVE R TO O
TWO−STAGE HEAT PUMP REMOVE Y1 TO Y2 AND R TO O
TWO−STAGE ELECTRIC HEAT REMOVE W1 TO W2
TO ACTIVATE DEHUMIDIFICATION REMOVE R TO DS
Figure 21. Typical Wiring Diagram — CBX25UHV Air Handler with Electric Heat