Unit Wiring Diagrams - Dometic Blizzard NXT H541815A Installation Instructions Manual

WIRING DIAGRAMS
B.

Unit Wiring Diagrams

1. H541815A & H541816A Wiring Diagram
FIG. 36
FIELD WIRING
3312441.045
FACTORY WIRING
BLK
YEL
K2
T2 T3
RELAY
NO
T5
T1
COM
K1 BLK
RELAY
COM
NO
T7
T4
T6
A/C POWER MODULE BOARD
P6
P5 P4 P3
P1 P2
6 5 3 2 4 1
BLK BLK
RJ-11 CABLE
TO T-STAT
2. H541915A & H541916A Wiring Diagram
FIG. 37
PASSED DIELECTRIC
BLU
WHT R OL S
C
BR
RED BLU
WHT
YL
START
BR
CAP BLK
MOTOR
PTCR
WHT
RED
RED
(OPT)
3313500.021
PASSED
GRN/YEL
DIELECTRIC
MOTOR
RED
GRN/YEL
BRN
WHT
115 VAC
GRN/YEL
60 Hz, 1ɸ
BLK USE COPPER
CONDUCTORS
WHT
ONLY
WHT
WHT
BLU
COMPRESSOR
O.L.
RED
R S
C
WHT
HEATER ELEMENT
NOT USED
WHT
ON SOME
LIMIT SWITCH
MODELS
GRY BLK
115 VAC,
BLK (LINE)
60 HZ, 1
GRN/YEL (EARTH)
USE COPPER
CONDUCTORS
WHT (NEUT)
ONLY
BLK
K1 RELAY
NO
FREEZE
J5
COM SENSOR
RED 4 12V +
Y9
(TO
RED/WHT 3 12V +
TSTAT)
J2
BLK 2 12V -
Y8
ORG 1 COMM
Y5
BLU
FURNACE Y4
BLU
Y10 FURNACE Y3
FIELD WIRING
FACTORY WIRING
3. H551816A Wiring Diagram
FIG. 38
3312453.032
T1
K1
RELAY
FAN
C
HERM
P1 P2
BLK BLK
START
CAP
RJ-11 CABLE
TO T-STAT
RED
(OPT)
RED
4. H551916A Wiring Diagram
FIG. 39
PASSED DIELECTRIC
ɸ
SOLAR OR WHT
DIRTY FILTER
START
INDICATOR
CAP
IF USED
PTCR
12V
+ -
}
RED
(OPT)
SUPPLY
}
TO
TSTAT
3313503.025
19
FIELD WIRING
FACTORY WIRING
BLK
YEL
RED
K2
T2 T3
RELAY
GRN/YEL
NO
T5
COM
BLK
COM
NO
T7
T4
T6
BLU
A/C POWER MODULE BOARD
P6
P5 P4 P3
6 5 3 4 1
2
BLK
BLK
REVERSING VALVE
BLU
BLK
WHT
R OL S
K1 RELAY
C
BR
NO
RED
BLU
COM
YL
BR
BLK Y9
MOTOR
WHT
RED Y8
BLK
Y5
REVERSING VALVE
Y10
PASSED
GRN/YEL
DIELECTRIC
MOTOR
BRN
WHT
FAN
115 VAC
GRN/YEL
60 Hz, 1ɸ
C
BLK USE COPPER
HERM
CONDUCTORS
WHT
ONLY
WHT
WHT
COMPRESSOR
O.L.
RED
R S
C
START
WHT CAP
RED
(OPT)
RED
115 VAC,
BLK (LINE)
60 HZ, 1
ɸ
GRN/YEL (EARTH) USE COPPER
CONDUCTORS
WHT (NEUT)
ONLY
OUTDOOR
J4
TEMP
SENSOR
SOLAR OR
DIRTY FILTER
INDICATOR
FREEZE
J5 IF USED
SENSOR
12V
RED 4 12V + + - }
SUPPLY
(TO
RED/WHT 3 12V + }
TSTAT)
J2 TO
BLK 2 12V -
TSTAT
ORG 1 COMM
BLU/WHT
FURNACE Y4
BLU/WHT
FURNACE Y3
FIELD WIRING
FACTORY WIRING