HTP EL-80 - Page 39

LP-293 Rev. 9.24.15
39
ELITE 301 / 299 / 399 BOILER INTERNAL CONNECTION DIAGRAM
J2
J7
J7
J6-1
J6-2 J2
X6-2
CH PUMP
J6-6 J2
J2
DHW PUMP
J6-5
X5-8
X5-5
X5-7
J6-4
ALARM
X6-1 X6-4
POWER
SWITCH
X4-13
X8-1
X4-12
X8-2
X4-17
X8-5
X4-18
BLOCKED VENT
PRESSURE SW.
X8-9
X4-19
X4-20
CONDENSATE
X8-4
X4-14
OUTDOOR
DHW TANK X4-2
J1
J1
J1
J1
TT TERMINALS
J3-3
J3-4
J3-5
X4-10
X8-8
J4-3
J4-4
J8-3
RS485 BUS
RS485 BUS
RELAY
COIL
X4-8
X4-9
MOTOR
BLOWER
GAS VALVE
X4-15
X4-16
X4-6
X4-5
X-2
ORANGE
SPARK CABLE TO SPARK ELECTRODE
CONTROL
926
DISPLAY BOARD
X8-6
X4-1
X4-11
120 VAC
NEUTRAL
LINE
F2
F1
CR1
ALARM
NO
COM
ALARM
ALARM
NC
F3
J8-1
J8-4
J4-4
J5-2
J5-1
J5-3
J5-4
J5-8
J5-7
J5-6
CONDENSATE
RECEPTICAL
J6-3
CR1
CR1
X8-10
GROUND
J5-10
J5-5
X8-3
X4-3
0-10 VOLT
-
RETURN SENSOR
+
0-10 VOLT
1
2
NOTE: RELOCATE JUMPER
TO POSITION 2 FOR 0-10VOLT
APPLICATION
ASSEMBLY
SWITCH
WATER PRESSURE
X8-7
J5-9
FLAME RECTIFICATION
PROBE
X6-5
PROTECTED BY
AN INTERNAL
6.3 AMP FUSE
JUMPER
CONNECTOR
LWCO
COMBINATION
SUPPLY / HIGH WATER
TEMP. SENSOR
RED
BRN
* NOTE: "J" REFERENCES FIELD CONNECTION BOARD
LWCOLWCO
JUMPER
WHT
RED
BRN
RED
RED
WHT
RED WIRE
( NOT USED )
W / MALE TERMINAL
LOW WATER
CUT OFF
OPTIONAL
( REMOVED FROM
X5-4
FLUE TEMPERATURE SENSOR
LWCO
PROBE
220 / 299 / 399
MODELS
TRANSFORMER
X5-3
LWCO CONNECTOR)
X4-4
NEUTRAL
HOT
X12 X11
FLUE ECO DOOR ECO
BURNER
Figure 28 - EL-299 - 399 Internal Connection Diagram