Lochinvar FTXL FTX400N Manuel D'installation Et De Fonctionnement page 78

13
Schémas
Figure 13-1 Schéma de câblage
ALARM
CONTACTS
RUN-TIME
CONTACTS
24 VAC RECIRC
PUMP RELAY COIL
24 VAC LOUVER
RELAY COIL
LOUVER
PROVING SWITCH
GAS PRESSURE
SWITCH
FLOW
SWITCH
TANK
THERMOSTAT
HEAT/LOOP
3
DEMAND
HEAT/LOOP
2
DEMAND
HEAT/LOOP 1
DEMAND
SYSTEM
SENSOR
OUTDOOR
SENSOR
DHW RECIRC
SENSOR
TANK
SENSOR
SHIELD
A
CASCADE
B
SHIELD
+
BMS
0-10V
-
IN
SYS PUMP +
0-10V
-
IN
+
BLR PUMP
0-10V
-
OUT
RATE +
0-10V
-
OUT
SHIELD
MODBUS
A
OPTION
B
SHIELD
SHIELD
GROUNDING
JUMPER
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: Rep lacement 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.
78
LOW VOLTAGE
120 VAC
HIGH VOLTAGE
RIBBON CABLE
CONNECTION BOARD
DAMPER
1
2
3
4
5
6
CN5-12 R/BL
7
CN5-1 BR/W
8
CN5-9 P/BL
9
CN5-2 R/W
10
GY/BL
CN5-10
11
CN5-16 BL/BK
12
CN5-11
Y
CN2
CN5-3
BL/W
CN5-8
PR/BK
13 CN5-4
PR/W
14 CN5-15 O/BK
15 CN5-13 BK
16 CN5-6 BK/W
17 CN5-14
GY/W
18 CN5-7 P/W
19 CN5-5
O/BL
20
21
22
CN1
LWCO
23 PROBE
24
T
25
LWCO RESET
26
27
28
29
30
31
32
33
34
CN4
CN6
35
36
37
38
39
40
41
42
43
44
45
46
CN3
G BL R R BLG
O
X4-1
X4-2 GY
X4-3 G
MODBUS BOARD
X4-4
MTR-01
X5-1
X5-2
BK
X1-1
X1-2 W
G
X1-3
Manuel d'installation et de fonctionnement
CONXUS
Y
INTEGRATED
CONTROL
DU BIC
X-7
FLUE DAMPER
RELAY
1
M
2
3
X4-11
X4-07
X4-14
X4-06
X4-13
X4-12
X4-5
X4-4
X4-8
X4-10
X4-9
X4-2
X4-1
x4-3
X5-3
LWCO
BOARD
J3-6
BL
J3-5
O/BK
O
TEST
J3-4
SWITCH
J3-3
T
J3-2
Y
J2-1
PR
J2-2
PR
X6
X9-1
X9-2
X9-3
X9-4
BOX DEPICTS
OPTIONAL ITEMS
BOX DEPICTS
DUAL SENSOR
SINGLE HOUSING
L
JUNCTION
RELAY
BOX
BOARD
OR OR
X1-3 CN2-4 CN1-5
K1
OR
CN1-6
BR
X1-4 CN2-2 CN1-3 BR
K2
BR
CN1-4
X1-2 PR
CN1-1 PR
CN2-3
K3
PR
CN2-1 CN1-2
ON/OFF
SWITCH
L
X1-6
BK
GND
X1-5
W
N
X1-8 G
X1-1 R
TRANSFORMER
FAN
RELAY
3.5A
W
G
BK
1 2 3
BLOWER
1 2 3 4 5
X5-7 R
T
X5-16
W
X5-8
BK
X5-15
X5-9
Y/BK
X5-1 BL
X5-2 O
BLOCKED DRAIN SWITCH
X5-10 P
X5-11 O/BK
-T
X5-4 R/BK OPERATING SENSOR S1a
-T
X5-12 HIGH LIMIT SENSOR S1b
GY
-T
X5-6
P/BK INLET SENSOR S2
-T
X5-5
W/BK FLUE SENSOR S3a
-T
X5-13
PR FLUE SENSOR S3b
X5-14
Y
X2-2 BK
GAS VALVE
@24VAC
Y
X2-1
X1-7
W/R FLAME SENSOR
G
SPARK
TR2
ROD
CAUTION HIGH VOLTAGE SPARK LEAD
N
DHW
PUMP
BOILER
PUMP
SYSTEM
PUMP
120V
SUPPLY
WIRING DIAGRAM
LBL20426 REV C