Table des Matières
Publicité
Page 40
5.F
Schéma
en échelle
Légende de tension
Voltage Legend
120 VAC
120 VCA
Basse tension
Low Voltage
K1
*
NOTE: L2 only applicable on sizes 1750 and 2000,
otherwise power received from L1 to N1.
CONTROLLER SUPPLY POWER
HIGH
M
LOW
HIGH
M
LOW
K1
HSI #1
HSI #1 FLAME SENSE
HSI #2
HSI #2 FLAME SENSE
120VAC
24VAC
CONTROLLER 24VAC POWER
GAS VALVE SUPPLY VOLTAGE
LWCO
1
2
SUPPLY POWER
LWCO
X4-2
X4-12
HIGH GAS PRESSURE
X4-5
X4-15
MPER)
TB1-1
X4-17
GAS
X9-1
VALVE #1
X9-3
GAS
VALVE #1A
Ladder Diagram
500 - 2000
INTERRUPTEUR PRINCIPAL
MAIN POWER SWITCH
120VAC
*
L2
L1
BOILER/HEATER PUMP
N2 *
M
N1
X10-3
TB2-11
X11-1
BLOWER #1
TB2-9
X11-4
BLOWER #2
BOILER/HEATER
X14-1
PUMP CONTACTOR
SYSTEM PUMP
X14-11
TB2-12
DRY CONTACT
DHW PUMP
X14-10
TB2-10
DRY CONTACT
CHAÎNE DE SÛRETÉ: 24 VCC
SAFETY CHAIN: 24VDC
FLOW
DÉBIT
X4-1
TB2-25
CHEMINÉE OBSTRUÉE
BLOCKED FLUE
X5-5
X4-4
X9-2
INTERVERROUILLAGE SUR SITE
FIELD INTERLOCK
(CAVALIER INSTALLÉ EN USINE)
(FACTORY INSTALLED JUMPER)
X4-7
TB1-1
MRHL
X4-3
X4-13
APS#1
X4-9
LOW GAS PRESSURE SWITCH
X4-6
X4-16
APS#2
X4-10
ARHL
X4-8
X4-18
Figure 28.
GAS
X9-4
VALVE #2
Capacités 500 à 2000
X9-6
Voltage Legend
120 VAC
Low Voltage
K1
*
*REMARQUE: L2/N2 concerne uniquement aux
NOTE: L2 only applicable on sizes 1750 and 2000,
modèles 1750 et 2000, sinon l'alimentation circule
otherwise power received from L1 to N1.
CONTROLLER SUPPLY POWER
ALIMENTATION CONTRÔLEUR
X10-1
HAUTE
COMPONENT
HIGH
500
M
X11-3
BLOWER #1
X
BLOWER #2
N/A
BASSE
LOW
X11-2
HSI #1
X
HSI #2
N/A
HAUTE
HIGH
GAS VALVE #1
M
X
X11-6
GAS VALVE #1A
N/A
BASSE
GAS VALVE #2
LOW
X
X11-5
GAS VALVE #3
N/A
GAS VALVE #3A
N/A
K1
X14-8
GAS VALVE #4
N/A
X14-4
X14-3
FIELD INPUTS
X12-3
TB1-1
FIELD
SAFETY CHAIN
X12-4
TB1-2
INTLK
TB1-3
CH1
HSI N° 1 CAPTEUR DE FLAMME
HSI #1 FLAME SENSE
X15-4
TB1-4
CH1
TB1-5
DHW
X12-1
HEAT
TB1-6
DHW
DEMANDS
X12-2
TB1-7
CH2
TB1-8
CH2
HSI N° 2 CAPTEUR DE FLAMME
HSI #2 FLAME SENSE
X15-3
TB1-9
FIELD
TB1-10
INPUT1
FIELD
120VAC
TB1-11
FIELD
INPUTS
CB
TB1-12
INPUT2
TB1-13
24VAC
SYSTEM
TB1-14
TB2-26
SUPPLY
TB1-15
TB1-16
SYSTEM
X5-10
ALIMENTATION 24 VCA CONTRÔLEUR
CONTROLLER 24VAC POWER
SENSOR
TB1-17
RETURN
INPUTS
X9-11
TB1-18
DHW
GAS VALVE SUPPLY VOLTAGE
TENSION D'ALIMENTATION VANNE DE GAZ
TB1-19
DHW
LWCO
TENSION
1
D'ALIMENTATION
TB1-20
OUTDOOR
SUPPLY POWER
LWCO
TB1-21
OUTDOOR
TB1-22
BAS (-)
ANALOG
LWCO
INPUT
TB1-23
0-10V (+)
X4-11
X4-2
PRESSION DU GAZ ÉLEVÉE
HIGH GAS PRESSURE
SYSTEM SUPPLY SENSOR WIRING (HYDRONIC & VOLUME WATER)
X4-14
X4-5
SYSTEM
10K
SUPPLY
SENSOR
TB1-1
MIXING VALVE
TB2-16
TB2-26
X4-19
X9-1
TB2-25
X9-3
TB2-15
MIXING VALVE REQ'D FOR LOW TEMP
OPERATIONS
X4-20
X9-7
X9-9
FACTORY
INSTALLED
SENSORS
Schéma à relais
LAARS Heating Systems
POMPE CHAUDIÈRE/APPAREIL DE CHAUFFAGE
BOILER/HEATER PUMP
M
de L1 à N1.
X10-3
SIZE (MBTU/h)
750 1000
1250
1500 1750 2000
SOUFFLANTE n° 1
X11-1
BLOWER #1
X
X
X
X
X
X
N/A
N/A
X
X
X
X
X
X
X
X
X
X
N/A
X
X
X
X
X
X
X
X
X
X
X
SOUFFLANTE n° 2
X11-4
BLOWER #2
X
N/A
X
X
X
X
X
X
X
X
X
X
N/A
X
X
X
X
X
N/A
N/A
N/A
N/A
X
CONTACTEUR POMPE CHAUDIÈRE/
X
BOILER/HEATER
APPAREIL DE CHAUFFAGE
N/A
N/A
X
X
X14-1
X
X
PUMP CONTACTOR
X14-11
TB2-12
INDICATES FIELD I/O
X14-10
TB2-10
FIELD OUTPUTS
HSI n° 1
HSI #1
TB2-1
COMMON
RUN RELAY
TB2-2
N.C.
DRY CONTACTS
TB2-3
N.O.
TB2-4
COMMON
ALARM RELAY
TB2-5
N.C.
DRY CONTACTS
HSI n° 2
HSI #2
TB2-6
N.O.
TB2-7
AUX
POWER
OUTPUTS
TB2-8
AUX
TB2-9
DHW
TB2-10
PUMP
TB2-11
SYSTEM
DRY
TB2-12
PUMP
CONTACTS
TB2-13
AUX
TB2-14
AUX
TB2-25
SEE MIXING VALVE WIRING BELOW FOR
TB2-15 AND TB2-16
X5-5
TB2-17
PUMP(-)
ANALOG
OUTPUT
TB2-18
0-10V(+)
X9-2
TB2-19
B
RS485
2
TB2-20
A
BMS
TB2-21
GND
TB2-22
B
RS485
MRHL
TB2-23
A
X4-12
X4-3
CASCADE
TB2-24
GND
BAS – PRESSOSTAT
LOW GAS PRESSURE SWITCH
X4-15
X4-6
TB1-14
TB1-15
ARHL
X4-17
X4-8
3
0-10 VDC
2
24 VAC
VANNE DE
GAS
GAZ n° 1
X9-4
VALVE #1
1
COMMON
X9-6
VANNE DE
GAS
GAZ n° 1A
VALVE #1A
GAS
VANNE DE
X9-10
VALVE #3
DUAL ELEMENT
GAZ n° 3
X1-1
X9-12
1
2
VANNE DE
GAS
OUTLET
10k
GAZ n° 3A
VALVE #3A
3
4
SENSOR
X1-14
20k
X1-2
X1-13
2
INLET
SENSOR
1
X1-1
N2 *
N1
FIELD INPU
TB1-1
FIEL
TB1-2
INTL
TB1-3
CH1
TB1-4
CH1
TB1-5
DHW
TB1-6
DHW
CONTACT SEC
SYSTEM PUMP
POMPE CIRCUIT
DRY CONTACT
TB1-7
CH2
CONTACT SEC
DHW PUMP
TB1-8
CH2
POMPE ECS
DRY CONTACT
TB1-9
FIEL
TB1-10
INPU
TB1-11
FIEL
TB1-12
INPU
TB1-13
SYS
TB1-14
SUP
TB1-15
TB1-16
SYS
TB1-17
RET
TB1-18
DHW
TB1-19
DHW
TB1-20
OUT
TB1-21
OUT
TB1-22
BAS
TB1-23
0-10
SYSTEM SU
SYSTEM
SUPPLY
SENSOR
X4-13
X4-16
MIX
OP
X4-18
VANNE DE
GAS
GAZ n° 2
VALVE #2
VANNE DE
GAS
GAZ n° 4
VALVE #4
LOGIC
HYDR
VOLUM
50
C
B
B
H
H
G
G
G
G
G
G
T
T
T
T
Publicité
Table des Matières
Dépannage
