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15
Schémas
Figure 15-3 Diagramme en escalier (Combi)
120VAC
120V SUPPLY "L"
X4-3
CN1-5
SYSTEM
SENSOR
OUTDOOR
SENSOR
DHW OUTLET
SENSOR
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 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.
4. Jumper OJ1 should be cut for standard altitude and connected for high altitude.
5. Jumper OJ2 should be connected for standard (non-combi) operation and cut for combi operation.
(suite)
INTEGRATED CONTROL
BOILER PUMP
X1-6
RELAY
X1-2
F1
5A
X1-3
DHW PUMP
RELAY
X1-1
F2
1
3.15A
BLOWER
RELAY
X1-8
F3
24VDC
0.8A
SUPPLY
X5-9
X5-1
120 VAC
CONNECTION BOARD
24 VAC
11
FLOW SWITCH
12
ROOM T'STAT
7
8
DHW FLOW SWITCH
9
10
AUX SWITCH
13
14
SEE NOTE 5
OJ2
SEE NOTE 4
OJ1
DISPLAY
INTEGRATED
X5-6
INLET
-T
SENSOR S2
X5-4
OPERATING
-T
SENSOR S1a
X5-12
HIGH LIMIT
-T
SENSOR S1b
X5-5
FLUE
-T
SENSOR S3a
X5-13
FLUE
-T
SENSOR S3b
X5-14
CONNECTION
BOARD
CN4
X6
1
2
CN4
X6
3
4
CN4
X6
5
-T
6
X6
CN4
Manuel d'installation et Manuel d'entretien
NEUTRAL
JUNCTION BOX
120V SUPPLY "N"
BOILER
BOILER
PUMP "N"
PUMP "L"
BOILER
PUMP
2
1
3
DHW
2
PUMP
BLOWER
3
LWCO
C
N
2
4 -
C
N
2
3 -
CN1-14
CN1-10 X4-12
CN2-1
CN2-2
24 VAC
CN1-7
CN1-12 X4-10
CN1-4
CN1-6
CN1-13
DRY FIRE
X5-2
SWITCH
X5-10
AIR PRESSURE
X5-11
SWITCH
CONTROL
X2-2
GASVALVE
X2-1
1
2
BLOWER
4
5
TR2
X1-7
SPARK ROD
FLAME ROD
CAUTION
HIGH VOLTAGE SPARK LEAD
LOW VOLTAGE
120 VAC
HIGH VOLTAGE
GROUND
CHASSIS
GROUND
BOX DEPICTS
OPTIONAL ITEMS
BOX DEPICTS
DUAL SENSOR
SINGLE HOUSING
INTEGRATED
CONTROL
X4-8
X4-1
X4-4
X4-2
X4-9
X5-7
X5-16
X5-8
X5-15
LADDER DIAGRAM
LBL20297 REV C
89
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