Lochinvar Crest FB 0751 Manuel D'installation Et De Fonctionnement page 63

12
Schémas
Figure 12-2 Schéma de câblage
MODBUS
OPTION
RATE
BOILER
PUMP OUT
SYSTEM RETURN
SENSOR
SYSTEM SUPPLY
SENSOR
SENSOR
OUTDOOR
SENSOR
SYSTEM
PUMP IN
CASCADE
CONTACTS
RUN-TIME
CONTACTS
THERMOSTAT
ENABLE
LOUVER
PROVING
24 VAC LOUVER
RELAY COIL
SWITCH 1
SWITCH 2
MODBUS
BOARD
LARGE CONNECTION BOARD
17 CN6-3 G Y
SHIELD
18 CN6-2 R
A
B 19 CN6-1 P R
SHIELD 20
+ 21
0-10V
OUT
- 22
CN3-4
+ 23
0-10V CN3-6
- 24
CN3-7
25
CN3-14
26
CN3-13
27
CN3-12
28
CN3-11
29
TANK
CN3-10
30
CN3-9
31
CN3-8
32
CN3-1
+ 33
BMS
0-10V CN3-2
IN -
34
CN3-3
+ 35
0-10V CN3-5
- 36
SHIELD 37
A 38
INLET SENSOR
B 39
40
SHIELD
OUTLET SENSOR (S9)
OUTLET SENSOR (S1)
FLUE SENSOR
FLUE SENSOR (S10)
LCD
DISPLAY
PRE-MIX SENSOR 1 (S11)
PRE-MIX SENSOR 1 (S13)
CN3
DU941
CN1
SMALL CONNECTION BOARD
1
ALARM
2
3
CN1-4
4
CN1-5
TANK 5 CN1-6
6 CN1-12
R 7
CN1-10
W 8
CN1-11
9
CN1-9
10
CN1-8
11 CN1-7
12 CN1-1
HIGH LIMIT
13
AUX CN1-2
SWITCH
14 R
CN1-3
15
AUX
16
Y
LWCO
BOARD
J3-6
J3-5
LWCO TEST
J3-4
PROBE SWITCH
OR/BK J3-3
OR/BK
J3-2
LWCO RESET
O R J2-1
O R
J2-2
O R
GPS1 GPS2
P R
BLOCKED FLUE
SWITCH
B K
BLOCKED DRAIN
SWITCH
"X5"
BLOCK WIRING
IS MODEL
DEPENDANT
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 d'installation et de fonctionnement
X1-1
X1-2
X1-3
X6-3
INTEGRATED CONTROL
X6-1
X6-2
X4-1 B K X8-20
X4-2 T 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
OR/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
-T
/ R W X8-8
-T
R X8-2
-T
W X8-4
-T
G Y X8-9
X1-6
X1-3
-T
X1-12
G Y
X7-1
X10-1
X10-4
-T
B R X7-5
X1-1
X1-2
X1-4
X7-2
X10-2
X10-5
X7-6
X10-3
X10-6
X6-18
X6-8
X1-8 G Y
X4
R X3-3
R X3-4
X6-9
O R X3-1
X6-17
O R X3-2
B L X6-1
B K X6-11
B R X6-2
R X6-14
B L Y X6-10
X12-2 Y
X12-5 B L
B L
X6-4
X12-1
R
X12-4
O R
R
X2-3
X1-7 R
X1-10 R
O R X6-3
X1-5 P
FLUE DAMPER
TRANSFORMER
X2-5 B K
B R X6-5
X13-4
X13-1
X6-16
Y
X6-6
X6-13 O R
X6-15
O R
X6-12 T
X5-1
X5-7
X5-2
X11
X5-8
X5-3
USB
INTERFACE
X5-9
X5-4
X5-10
X5-5
X5-41
X5-6
X5-12
BOX DEPICTS
OPTIONAL ITEMS
BOX DEPICTS
DUAL SENSOR
SINGLE HOUSING
LOW VOLTAGE
120 VAC
HIGH VOLTAGE
1.5A EACH MAX
SYSTEM PUMP
CONTACTOR
120V
BOILER PUMP
SUPPLY
CONTACTOR
GND
DHW PUMP
L N
CONTACTOR
JUNCTION
BOX
BK
ON/OFF
SWITCH
B K
W
G
P R
T
O R
O R
GAS VALVE
(SMALL)
B L
R
GAS VALVE
(LARGE)
B L
R
B K
B K
BLOWER
1 2 3
BLOWER
1 2 3 4 5
W
T
TRANSITION
GAS VALVE
B L
Y
TRANSITION
FLAME SENSE
SPARK
SPARK ROD
GENERATOR
MAIN
FLAME SENSE
FLUE DAMPER GND
B L
1
M
Y 2
O R
3
24V
TRANSFORMER
BL BL BL
Y
AIR VALVE
BR
M
AIR VALVE
PRESSURE SWITCH
WIRING DIAGRAM
LBL20446 REV B
63