Lochinvar Crest FBD 2.5 Manuel Supplémentaire page 17

3
Schémas
Figure 3-6 Diagramme en escalier_5.0 Modèle
L1 L2
L3
(suite)
JUNCTION BOX
TERMINAL STRIP
208V 3Ø SUPPLY
INTEGRATED CONTROL
X1-3
ON/OFF
SWITCH
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
X2-4 SMALL BLOWER CONTACTOR
SMALL GAS
X10-1 X10-2
VALVE RELAY
LARGE GAS
X10-3
VALVE RELAY
LARGE GAS
VALVE RELAY X10-6
SMALL GAS
X10-5
VALVE RELAY
X10-4
X1-3
X1-7
X1-10
X2-5
X6-3
X6-1 X6-10
X11
X2-5 X13-4
USB
INTERFACE
SMALL BLOWER
SMALL BLOWER
CONTACTOR
1
2
3
LARGE BLOWER
4
CONTACTOR
1
2
3
BAS
X 1 1 - X 1 2 -
X1-3
FLUE DAMPER
TRANSFORMER
FLUE DAMPER
1 2
M
3
24V
TRANSFORMER
J3-6
LWCO TEST
J3-3
PROBE SWITCH
LWCO
J2-1 BOARD
LWCO RESET
J2-2
CAM
SWITCH
PROPANE LIGHT
INTEGRATED
CONTROL
NATURAL LIGHT
X6-5
PROPANE LGPS
GPS2 GPS3
NATURAL LGPS
X6-15
CAM SWITCH
BLOWER PROVING
SWITCH (LARGE)
X6-12
BLOWER PROVING
SWITCH (SMALL) X13-1
BLOCKED FLUE
SWITCH X6-6
BLOCKED DRAIN X5-1
SWITCH
X5-7
X5-2
X5-8
X5-3
X5-9
"X5"
BLOCK WIRING
IS MODEL X5-4
DEPENDENT
X5-10
X5-5
X5-41
X5-6
X5-12
Manuel supplémentaire pour la Dual Fuel (Double Combustible)
NEUTRAL
TERMINAL STRIP
208V SUPPLY "N"
1.5A EACH MAX
TERMINAL STRIP
GROUND
SYSTEM PUMP
CONTACTOR
INTEGRATED
CONTROL
BOILER PUMP
X8-20
CONTACTOR
X8-10
DHW PUMP
CONTACTOR
X8-1
X7-8
LARGE BLOWER CONTACTOR X7-7
PROPANE
X8-13
NATURAL
PROPANE X8-14
NATURAL
X8-12
X8-11
X8-5
X8-15
FLAME
SENSE 2
X8-6
SPARK
ROD
X8-16
SPARK
GENERATOR
X8-7
FLAME
SENSE 1
X8-17
X8-18
X8-3
INLET SENSOR
X8-8
X8-2
X8-4
LARGE BLOWER
X8-9
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
X6-9
X6-17
X6-8
J3-5
X13-2
J3-2
X13-3
J3-4
X4
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
8
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
SMALL
CONNECTION BOARD
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 applianc e must be replaced, it must be replaced with wire having same
wire gauge (AWG) and rated for a minimum of 105°C. E xceptions: 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 thos e shown on diagrams. Refer to actual components for proper
connector block locations when using diagrams to troubleshoot unit.
BOX DEPICTS ! WARNING
OPTIONAL
ITEMS
DISCONNECT POWER
BOX DEPICTS
DUAL SENSOR BEFORE SERVICING
SINGLE HOUSING
BAS
LOW VOLTAGE
120 VAC
HIGH VOLTAGE
LARGE
CONNECTION BOARD
CN6-3
CN6-2
CN6-1
17 SHIELD
18
A MODBUS
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
CN3-4
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
OUTLET SENSOR (S9)
-T
OUTLET SENSOR (S1)
-T
FLUE SENSOR
-T
FLUE SENSOR (S10)
-T
-T
-T
-T
1
SMALL BLOWER
2
4
LCD
DISPLAY
5
1
LARGE BLOWER
2
WIFI
4
DONGLE
5
LG CON BRD
8 USB CABLE
43
J6 J7
BAS SW1
CN6-2
J8
J10
CN6-1
J9
J17
CN6-3
OPTIONAL USB/WIFI
J2 J11
J23
J12 EXTENSION CABLE
24V
E
GND OPTIONAL
ETHERNET CABLE
RIBBON CABLE
ALARM
CONTACTS
RUN-TIME
CONTACTS
TANK
THERMOSTAT
R
ENABLE
W
LOUVER
PROVING
24 VAC LOUVER
RELAY COIL
AUX
SWITCH 1
AUX
SWITCH 2
100267527 REV A
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