Schémas - Lochinvar Shield SNR126-065 Manuel D'installation Et D'entretien

13
Schémas
Figure 13-1 Diagramme en escalier
120VAC
72
JUNCTION BOX
TERMINAL STRIP
120V SUPPLY "L"
INTEGRATED CONTROL
X1-1
X1-6 F2
3.15A
F1
X1-2
5A
DHW PUMP
RELAY
X4-3
F3
.8A
24V DC
SUPPLY
X5-9
X5-1
120 VAC
24 VAC
X5-5
ENABLE
SWITCH
2
LOUVER
RELAY COIL
24VAC
LOUVER
4
PROVING SWITCH
RIBBON CABLE
X5-6
S2
INLET
SENSOR
X5-4
S1a
OUTLET
SENSOR
X5-12
S1b
OUTLET
SENSOR
X5-5
S3a
FLUE
SENSOR
X5-13
S3b
FLUE
X5-14
SENSOR
CONNECTION
BOARD
CN2-4
X4-7
9
ALARM
CONTACTS
X4-14
CN2-5
10
CN2-2
X4-6
7
RUN-TIME
CONTACTS
CN2-3 X4-13
8
Manuel d'installation et Manuel d'entretien
NEUTRAL GROUND
L
TERMINAL STRIP
IN
120V SUPPLY "N"
1 2
BLOWER
3
DHW PUMP
RELAY
CONNECTION BOARD
LWCO
CN3-3
CN3-4
24 VAC
CN3-1
CN3-2
1
5
6
3
INTEGRATED
CONTROL
X6-10
S4
TANK
SENSOR
X6-14
X7
BLOCKED
DRAIN SWITCH
O-TEMP DOOR
HEX TEMP AIR PRESSURE
SWITCH SW SWITCH
286-501
MODELS ONLY
GAS VALVE
BLOWER
SPARK
ROD
CAUTION HIGH VOLTAGE SPARK LEAD
NOTES:
1. Where possible, switches are shown without utilities (gas, water or
electricity) connected to the unit. As such, actual switch states may
vary from those shown on diagrams depending upon whether utilities
are connected or a fault condition is present.
2. See wiring diagram for additional notes.
L
OUT
DHW
DHW PUMP
PUMP
CONTACTS
JUNCTION BOX
INTEGRATED
CONTROL
FLOW
SWITCH
CN2-6 X4-8
CN2-10 X4-12
CN2-7 X4-10
CN2-1 X4-5
CN2-8 X4-4
X4-11
X5-2
X5-10
X5-11
X2-2
GAS VALVE
RELAY
X2-1
1 X5-7
2 X5-16
4 X5-8
5 X5-15
TR2
X1-7
FLAME ROD
BOX DEPICTS
OPTIONAL ITEMS
LOW VOLTAGE
120 VAC
HIGH VOLTAGE
LADDER DIAGRAM
LBL20408 REV A