Lochinvar Crest FBD 2.5 Manuel Supplémentaire page 16

3
Schémas
Figure 3-5 Schéma de câblage _5.0 Modèle
MODBUS
OPTION
PUMP OUT
SYSTEM RETURN
SYSTEM SUPPLY
OUTDOOR
SYSTEM
PUMP IN
CASCADE
LG CON BRD
CN6-2
R
CN6-1 PR
CN6-3 GY
CONTACTS
CONTACTS
THERMOSTAT
24 VAC LOUVER
RELAY COIL
16
LARGE CONNECTION BOARD
SHIELD 17 CN6-3 G Y
A 18 CN6-2 R
19 CN6-1 P R
B
SHIELD 20
+ 21
RATE
0-10V
OUT
- 22
CN3-4
+ 23
BOILER
0-10V CN3-6
- 24
CN3-7
25
CN3-14
SENSOR
26
CN3-13
27
CN3-12
SENSOR
28
CN3-11
29
TANK
CN3-10
SENSOR
30
CN3-9
31
CN3-8
SENSOR
32
CN3-1
+ 33
BMS
0-10V CN3-2
IN -
34
CN3-3
+ 35
CN3-5
0-10V
- 36
37
SHIELD
A 38
B 39
40
SHIELD
OUTLET SENSOR (S9)
OUTLET SENSOR (S1)
LCD
DISPLAY
FLUE SENSOR (S10)
WIFI
DONGLE
PRE-MIX SENSOR 1 (S11)
COMMUNICATION
CONTROL BOARD
8 43
J6 J7 USB CABLE PRE-MIX SENSOR 1 (S13)
SW1
BAS
J8
J10
J9
J17
OPTIONAL USB/WIFI PRE-MIX SENSOR 2 (S12)
J2 J11
J23 EXTENSION CABLE
J12
OPTIONAL
PRE-MIX SENSOR 2 (S14)
E ETHERNET CABLE
GND
24V
SMALL CONNECTION BOARD
1
ALARM
2
3 CN1-4
RUN-TIME
4 CN1-5
5
TANK CN1-6
6 CN1-12
R 7 CN1-10
ENABLE
W 8
CN1-11
LOUVER 9 CN1-9
PROVING
10 CN1-8
11
CN1-7
12 CN1-1
13
AUX CN1-2
SWITCH 1
14 R
CN1-3
15
AUX
SWITCH 2
16
LWCO
TEST
PROBE
SWITCH
O R B / K
O R B / K
LWCO RESET
O R
O R
CAM
PROPANE LGPS
SWITCH
OR
NATURAL LGPS
BLOWER PROVING
SWITCH (LARGE)
BLOWER PROVING
SWITCH (SMALL)
BLOCKED FLUE
SWITCH
BLOCKED DRAIN
SWITCH
CAM
SWITCH
PROPANE LIGHT
NATURAL LIGHT
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 vo ltage 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.
Manuel supplémentaire pour la Dual Fuel (Double Combustible)
BAS
X1-1
X1-2
X1-3
X6-3
INTEGRATED CONTROL
X6-1
X6-2
X4-1 B K X8-20
T
X4-2 X8-10
X4-3
B L X7-8
R X7-7
B L X8-13
R X8-14
B R X8-12
W X8-11
O R X8-5
O / R W X8-15
P X8-6
W X8-16
B L X8-7
B K X8-17
Y B / K X8-18
X8-1
-T
B L X8-3
INLET SENSOR
-T
/ R W X8-8
-T
R
X8-2
-T
W X8-4
FLUE SENSOR
-T
G Y X8-9
X1-6
X1-3
-T
X1-12
G Y
X7-1
X10-1
X10-4
X1-1
-T
X1-2
B R X7-5
X1-4
(S13)
X10-2
-T
X7-2
B K
X10-5
-T
T T T X7-6
S14
X10-3
X10-6
X4 X
B L
Y
X6-18
X6-8
R X3-3
X1-8
R X3-4
O R X3-1
O R X3-2
X6-9
B L X6-1
X X6-17
B K X6-11
B R X6-2
R X6-14
Y X6-10
X2-4 2-4
O R X6-13
HIGH LIMIT
SWITCH
B L
X6-4
R
X13-2
X13-3
LWCO
BOARD
X2-3
J3-6
X1-7
J3-5
X1-10
J3-4 O R X6-3
X1-5
J3-3
J3-2
J2-1
J2-2
X2-5
GPS2 GPS3
OR X6-5
BR
O R X6-15
X13-4
T X6-12
P R X13-1
B K
X6-6
CAM SWITCH
X5-1
X5-7
X5-2
X11
X5-8
USB
X5-3
INTERFACE
X5-9
"X5"
BLOCK WIRING
X5-4
IS MODEL
X5-10
DEPENDENT
X5-5
X5-41
X5-6
X5-12
WARNING
!
BOX DEPICTS
OPTIONAL ITEMS
DISCONNECT POWER
BOX DEPICTS
BEFORE SERVICING
DUAL SENSOR
SINGLE HOUSING
LOW VOLTAGE
120 VAC
HIGH VOLTAGE
208V 3
1.5A EACH MAX
N L1 L2 L3
SYSTEM PUMP
CONTACTOR
BOILER PUMP
CONTACTOR
DHW PUMP
CONTACTOR
JUNCTION
BOX
BK R BL
ON/OFF
SWITCH
B K
W
G
P R
T
G N
O R
OR/BK
O R
OR/W
CAM
SWITCH
B L
SMALL SMALL
NATURAL PROPANE
VALVE VALVE
R/BK
R
R/W
CAM
SWITCH
B L
LARGE
LARGE
NATURAL
PROPANE
VALVE
VALVE
R 1
R
1 2 3
B K
BLOWER
G Y
(SMALL)
R 1
1 2 3 4 5
W
T
R 2
T
R 2
1 2 3
R/W
BLOWER
(LARGE)
1 2 3 4 5
BK/W
W B / K
T
R FLAME SENSE 2
R
SPARK
SPARK ROD
GENERATOR
R
P FLAME SENSE 1
FLUE DAMPER
TRANSFORMER
B K
GND
FLUE DAMPER
B L
1
M
Y
2
O R 3
24V
TRANSFORMER
BL
Y
100267552 REV A