Lochinvar Crest FBN 2500 Manuel Supplémentaire page 22

3
Schémas
Figure 3-8 Diagramme en escalier_6.0 Modèle
L1 L2 L3
TERMINAL STRIP
208V 3
ON/OFF
SWITCH
CAM
SWITCH
22
JUNCTION BOX
SUPPLY
X1-3
INTEGRATED CONTROL
X1-12
F2 F4
X1-6 X1-1
SYSTEM PUMP
3.15 A 5.0 A
RELAY
X1-2
BOILER PUMP
RELAY
X1-4
DHW PUMP
RELAY
X1-8
SMALL BLOWER CONTACTOR
X2-4
LARGE BLOWER CONTACTOR
SMALL GAS
CAM SWITCH
X10-1 X10-2
VALVE RELAY
LARGE GAS
CAM SWITCH
X10-3
VALVE RELAY
LARGE
LARGE GAS
NATURAL
VALVE RELAY X10-6
VALVE
SMALL GAS
X10-5
VALVE RELAY
X10-4
X1-3
X1-7
X12-5
X1-10
GENERATOR
R3
X2-5
X12-2
X12-4
X12-1
X6-3
X11
X6-1 X6-10
USB
INTERFACE
X2-5 X13-4
SMALL BLOWER
SMALL BLOWER
CONTACTOR
1
2
3
LARGE BLOWER
4 LARGE BLOWER
CONTACTOR
1
2
3
BAS
X1-1 X1-2
X1-3
FLUE DAMPER
TRANSFORMER
FLUE DAMPER
1
M
24V
TRANSFORMER
P.O.C. VALVE
R3
CAM SWITCH
P.O.C. VALVE
J3-6
LWCO TEST
J3-3
PROBE SWITCH
LWCO
J2-1
LWCO RESET
BOARD
J2-2
NATURAL LGPS
NATURAL HGPS
X6-5
INTEGRATED
CONTROL
PROPANE LGPS PROPANE HGPS
X6-15
BLOWER PROVING
POC PROVING
SWITCH (LARGE)
SWITCH X6-12
BLOWER PROVING
SWITCH (SMALL)
X13-1
BLOCKED FLUE
X6-6
SWITCH
BLOCKED DRAIN SWITCH X5-1
X5-7
CAM SWITCH X5-2
CAM
SWITCH
X5-8
PROPANE LIGHT
X5-3
NATURAL LIGHT
X5-9
"X5"
X5-4
BLOCK WIRING
IS MODEL
DEPENDANT
X5-10
X5-5
X5-41
X5-6
X5-12
Manuel supplémentaire pour la Dual Fuel (Double Combustible)
NEUTRAL
BOX DEPICTS
TERMINAL STRIP
OPTIONAL ITEMS
208V SUPPLY "N"
DUAL SENSOR
SINGLE HOUSING
BAS
1.5A EACH MAX
BOARD
TERMINAL STRIP
GROUND
SYSTEM PUMP
CONTACTOR
INTEGRATED
CONTROL
BOLIER PUMP
X8-20
CONTACTOR
X8-10
DHW PUMP
CONTACTOR
X8-1
X7-8
X7-7
SMALL
X8-13
NATURAL
VALVE
X8-14
SMALL
X8-12
PROPANE
LARGE VALVE
PROPANE
X8-11
VALVE
X8-5
FLAME
X8-15
CN3-4
SENSE 1
X8-6
SPARK
ROD
SPARK
X8-16
FLAME
X8-7
SENSE 2
X8-17
X8-18
X8-3
-T
INLET SENSOR
X8-8
OUTLET SENSOR (S9)
X8-2
OUTLET SENSOR (S1)
X8-4
FLUE SENSOR
X8-9
FLUE SENSOR (S10)
X7-1
4
PRE-MIX SENSOR 1 (S11)
X7-5
PRE-MIX SENSOR 1 (S13)
X7-2
PRE-MIX SENSOR 2 (S12)
X7-6
PRE-MIX SENSOR 2 (S14)
X6-18 1 1
2
X6-9 4
3
X6-17 2
X6-8 5 5
1 1
X13-2 4
J3-5
X13-3 2
J3-2
5 5
J3-4 X4
LG CON BRD
CN6-2
CN6-1
CN6-3
SMALL
CONNECTION BOARD
X3-3 CN1-4
X3-4 CN1-5
X3-1 CN1-6
1
2
X3-2 CN1-12
3
4
CN1-10
5
6
X6-11 CN1-11
7 R
8
W
X6-2 CN1-9
9
10
X6-14 CN1-8
11
12
CN1-7
13
14
X6-13 CN1-1
15
16
HIGH LIMIT
X6-4 CN1-2
SWITCH
CN1-3
Notes:
1. All wiring must be installed in accordance with: local, state, provincial and national code requirements per either N.E.C.
in USA or C.S.A. in Canada.
2. If any original equipment wire as supplied with the appliance must be replaced, it must be replaced with wire having same
wire gauge (AWG) and rated for a minimum of 105°C. Exceptions: Replacement high voltage spark lead and ribbon cables
must be purchased from the factory. Use of a non-approved spark lead or ribbon cables can lead to operational problems
which could result in non-repairable damage to the integrated controller or other components.
3. Actual connector block locations may vary from those shown on diagrams. Refer to actual components for proper
connector block locations when using diagrams to troubleshoot unit.
BOX DEPICTS
LOW VOLTAGE
120 VAC
HIGH VOLTAGE
LARGE
CONNECTION BOARD
CN6-3
CN6-2
CN6-1
17
SHIELD
18
A BAS
CN3-6
OPTION
19 B
20 SHIELD
CN3-7
21 +
RATE
0-10V
OUT
22 -
CN3-14
23 +
BOILER
0-10V
PUMP OUT
24 -
CN3-13
25
SYSTEM RETURN
SENSOR
26
CN3-12
27
SYSTEM SUPPLY
SENSOR
28
CN3-11
29
TANK
SENSOR
30
CN3-10
31
OUTDOOR
SENSOR
32
CN3-9
33 +
BMS
0-10V
- IN
34
CN3-8
35 +
SYSTEM
0-10V
PUMP IN
36 -
CN3-1
37 SHIELD
38
A
CASCADE
CN3-2
39
B
40 SHIELD
CN3-3
CN3-4
-T
-T
-T
-T
-T
-T
-T
-T
SMALL BLOWER SMALL BLOWER
LCD
LCD
LCD
DISPLAY DISPLAY
DISPLAY
LARGE BLOWER LARGE BLOWER
WIFI
DONGLE
8 43 USB CABLE
BAS J6 J7 SW1
J8
J10
J9
J17
OPTIONAL USB/WIFI
J2 J11 J23
J12 EXTENSION CABLE
24V
E
GND OPTIONAL
ETHERNET CABLE
ALARM
CONTACTS
RUN-TIME
CONTACTS
TANK
THERMOSTAT
ENABLE
LOUVER
PROVING
24 VAC LOUVER
RELAY COIL
AUX
SWITCH 1
AUX
SWITCH 2
LADDER DIAGRAM
100280463 REV A