Knight WHN055 Manuel D'installation Et De Fonctionnement page 81

13
Schémas
Figure 13-2 Schéma de câblage
ALARM
CONTACTS
RUN-TIME
CONTACTS
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
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
24 VAC
LOW
COM
WATER
CUT-OFF
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: 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.
(suite)
LOW VOLTAGE
120 VAC
HIGH VOLTAGE
CONNECTION BOARD
1
2
3
4
5
6
7
CN5-1
8
CN5-8
9
CN5-2
10
CN5-9
CN5-3
CN5-10
CN5-11
CN5-4
11 CN5-5
CN5-14
12
CN5-12
13
14 CN5-6
15 CN5-13
16 CN5-7
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
CN6
33
34
35
36
37
38
39
40
41
42
43
44
CN7-1
CN7-2
CN7-3
CN7-4
R BLG
X4-1
X4-2
X4-3
MODBUS BOARD
X4-4
MTR-01
X5-1
X5-2
X1-1
X1-2
X1-3
Manuel d'installation et de fonctionnement
BOX DEPICTS
OPTIONAL ITEMS
BOX DEPICTS
DUAL SENSOR
SINGLE HOUSING
INTEGRATED
CONTROL
X-7
X1-3 OR
X1-4 BR
X1-2
X4-7 PR
BK
BK X4-14
BK
X4-6
BK
X4-13
BK
X4-5
BK X4-12
BK X4-11
BK X4-4
X1-6
BK
BK
X4-3 X1-5
W
BK X4-8
X4-10
BK
BK X4-2
BK
X4-9
X1-8
G
BK
X4-1
X1-1
R
BLOWER
1 2 3 4 5
R
X5-7
X6
T
X5-16
W
X5-8
BK
X5-15
X5-9 Y
X5-1 BL
O
X5-2
X5-10 P
X5-11 O/BK
X5-4
R/BK
X5-12
GY
X5-6
P/BK
X5-5
W/BK
X5-13
PR
X5-14
Y
X2-2 BK
O
X9-1
Y
X2-1
GY X9-2
G X9-3
X1-7
W/R
X9-4
TR2
CAUTION
BK
W
G
BOX DEPICTS
JUNCTION
OPTIONAL
BOX
ITEMS
L
DHW
G
PUMP
N
W
L
BOILER
G
PUMP
N
W
L
SYSTEM
G
PUMP
N
W
ON/OFF
SWITCH
L
120V
L
GND
SUPPLY
N
N
TRANSFORMER
R W G
1 2 3
AIR PRESSURE SWITCH
-T
OPERATING SENSOR S1a
-T
HIGH LIMIT SENSOR S1b
-T
INLET SENSOR S2
-T
FLUE SENSOR S3a
-T
FLUE SENSOR S3b
GAS VALVE
@24VAC
FLAME SENSOR
G
SPARK
ROD
HIGH VOLTAGE SPARK LEAD
WIRING DIAGRAM
LBL20169 REV D
81