Page 3
Disassembly:
1. Verify you have all necessary parts (see Table 1 below).
KIT PART NO.
COMPONENT DESCRIPTION
QUANTITY
R0591900
User Interface Assembly,
includes Gasket
1
Screw, #6
5
Table 1.
Replacement Kit parts
2. Turn off the electrical power to the heater.
3. Turn off the main gas supply to the heater at the meter or the manual
gas cock outside the heater.
4. Make sure the filter pump is off and will remain off for the duration of
the installation procedure.
5. If the heater is below the surface level of the water in the pool or spa,
close all shut-off valves between the heater and the pool.
6. Remove five (5) screws from the user interface housing.
7. Lift the user interface out of the top houseing an lay it on top of the
heater.
8. Noting the position of each wire, disconnect wires (black, orange,
blue, and red) from the terminal block connection on the universal
controller board by loosening the terminal screws (see Figure 1).
Part Number: H0402900 REV A
Description: JXi Heater - Wiring Diagram Label for inside front panel
Size: 7.5 x 7.5 inches
Color: Black
die line, does not print
L1
F1
ACN1
ACH1
L2
F2
G
R
BK
240 VAC
HEATER
POWER
SUPPLY
BLOWER
MOTOR
W
BK
BL
R
O
IGNITION CONTROL
F1
F2
24
VAC
FV+ FV-
IGN
120 L1 L2
IGN
FS
W
GND
VAL
BK
W
BK
BL
R
GY
BK
24 VAC
R
Y
HOT SURFACE
IGNITER
W
GY
W
FLAME SENSE
TRANSFORMER
BK
WATER
TEMP
GAS
VALVE
USER
INTERFACE1
BK O BL R
HIPRESS/
HILIMIT
LOPRESS/
FUSELINK
WATER
PRESS
REMOTE
SPA POOL COM
REV
VALVE
24VAC
PUMP
COMP/
IGN
FAN/
LOUVER
UNIVERSAL
CONTROLLER
POWER INTERFACE
UNIVERSAL
CONTROLLER
USER INTERFACE
BYPASS
MOTOR
CONTROLLER
TO BYPASS
MOTOR
OPTIONAL
EQUIPMENT
POWER
INTERFACE
BK O BL R
AIR FLOW
SWITCH
GAS VALVE
WATER
TEMP
SENSOR
BL
W
BK
TO PUMP STARTER
CONTACTS (IF USED)
TO COMBUSTION
AIR LOUVER STARTER
(IF USED)
W
FUSE
R
R
Y
Y
O
BK/Y
BK/Y
O
Y/BK
O
BR
Y
BR
Y
R
BL
BK
BK
BK
W
BK
BL
BR
Y
BK
BK
BK
BL
BL
BL/W
O
V
GY
BK
BK
PSW
Y/BK
C
NO
NC
Y/BK
COIL/AIR
TEMP
O
J3 CONNEC
TOR
Factory Wired 24V
Factory Wired 120V/240V
BK - BLACK
BK/Y - BLACK WITH YELLOW TRACE
BL - BLUE
BR - BROWN
G - GREEN
GY - GRAY
O - ORANGE
R - RED
V - VIOLET
W - WHITE
Y - YELLOW
Y/BK - YELLOW WITH BLACK TRACE
H0402900 Rev A
NOTE:
IF ANY OF THE ORIGINAL WIRE AS
SUPPLIED WITH THE HEATER MUST BE
REPLACED, APPLIANCE WIRING MATERIAL
RATED FOR 105°C MUST BE USED. WHERE
MARKED THUS - - - - - , APPLIANCE WIRING
MATERIAL RATED FOR 200°C MUST BE USED.
120 VAC
HEATER
POWER
SUPPLY
Alternate 120V Wiring*
G
R
BK
NEUTRAL
HOT
Voltage Selector Card Must Be Rotated.
LIMIT
SWITCH
55˚C
(130˚F)
LIMIT
SWITCH
65˚C
(150˚F)
WATER
PRESS
SWITCH
VENT
TEMPERATURE
LIMIT
240˚C
(464˚F)
NOTE:
SI L’UN QUELQONQUE DES FILS D’ORIGINE
FOUMIS AVEC LE CHAUFFE-PISCINE DOIT ÊTRE
REMPLACÉ, UN FIL POUR APPAREILS ÉLECTRIQUES À
TOLERANCE NOMINALE DE 105
°C DOIT ÊTRE EMPLOYÉ.
SI LE FIL PORTE LE SYMBOLE ---------, LE REMPLACER
UNIQUEMENT PAR UN FIL POUR APPAREILS
ÉLECTRIQUES À TOLERANCE NOMINALE DE 200°C.
Universal Controller
Power Interface
Figure 1. Universal Controller Wiring Connections
