LAARS M4-LHS - Installation Manual - Manual (Page 49)

HT#
059295-00
A
M4-LHS installation and Operation Manual
49
Boiler 1
Boiler 2
Boiler 3
Boiler 4
Boiler 1 Boiler 2
4 - 20 mA
Modulating
Signal Outputs Outdoor Sensor
System Sensor
Prove Jumper Do Not remove
Shield Shield
L
N
System Pump
L
N
Modulating Condensing
Group (Boiler 1 & 2)
{
Staging
Non-Condensing
Group (Boiler 3 & 4)
{
SYSTEM
A
B
C
D
1 2
RUN PROGRAM
DO NOT APPLY ANY VOLTAGE
TO INPUT TERMINALS
3 4 5 6 7 8 9 10 11 12 13 15 14 17 16 18 20 19 21 24 23 29 25 27 26 28 32 30 31
L N
- + + T T O O RS-485 mA GND VLT
SYS A B C D PWR
CUR / VLT
A
- + + mA GND VLT - + + mA GND VLT + + mA
22
- GND VLT + mA
TEMP
OUTDOOR
O O
TEMP
SYSTEM EXTENSION
MODULE CUR / VLT
B
CUR / VLT
C
CUR / VLT
D PROVE
/DHW
SHUTDOWN
/SETBACK
FOR ALL CIRCUITS
120VAC, 6A RESISTIVE
OUTPUT RATINGS:
1A PILOT DUTY, 15A TOTAL
115VAC 60Hz , 30VA MAX
INPUT RATINGS:
USE COPPER WIRE,
CLASS 1 WIRE ONLY.
CauTiON: RISK OF ELECTRIC SHOCK
More than one disconnect switch may be required
to de-energize the equipment before servicing.
ENCLOSED
ENERGY
MANAGEMENT
EQUIPMENT 99RA
/TSTAT
M4-LHS
HYBRID CONTROL
Boiler 1
Boiler 2
Boiler 3
Boiler 4
Boiler 1 Boiler 2
Voltage
Modulating
Signal Outputs Outdoor Sensor
System Sensor
Prove Jumper Do Not remove
Shield Shield
L
N
System Pump
L
N
Modulating Condensing
Group (Boiler 1 & 2)
{
Staging
Non-Condensing
Group (Boiler 3 & 4)
{
SYSTEM
A
B
C
D
1 2
RUN PROGRAM DO NOT APPLY ANY VOLTAGE
TO INPUT TERMINALS
3 4 5 6 7 8 9 10 11 12 13 15 14 17 16 18 20 19 21 24 23 29 25 27 26 28 32 30 31
L N
- + + T T O O RS-485 mA GND VLT
SYS A B C D PWR
CUR / VLT
A
- + +
mA GND VLT - + +
mA GND VLT
+ +
mA
22
- GND VLT
+
mA
TEMP
OUTDOOR
O O
TEMP
SYSTEM EXTENSION
MODULE CUR / VLT
B
CUR / VLT
C
CUR / VLT
D PROVE
/DHW
SHUTDOWN
/SETBACK
FOR ALL CIRCUITS
120VAC, 6A RESISTIVE
OUTPUT RATINGS:
1A PILOT DUTY, 15A TOTAL
115VAC 60Hz , 30VA MAX
INPUT RATINGS:
USE COPPER WIRE,
CLASS 1 WIRE ONLY.
CauTiON: RISK OF ELECTRIC SHOCK
More than one disconnect switch may be required
to de-energize the equipment before servicing.
ENCLOSED
ENERGY
MANAGEMENT
EQUIPMENT
99RA
/TSTAT
M4-LHS
HYBRID CONTROL
HYBriD WiriNg DiagraM
Two 4-20ma Modulating
Condensing Boilers
and Two On/Off Non-
Condensing Boilers
STarTuP SETTiNgS
Boiler Type = Hybrid
Condensing Boiler Type = Modulating
Condensing Boiler Number = 2
Condensing Output Type = 4-20ma
Condensing Modulating Mode = Parallel
Non-Condensing Boiler Type = Staging
Non-Condensing Output Type = On/Off
Non-Condensing Boiler Number = 2
Two Voltage Modulating
Condensing Boilers
and Two On/Off Non-
Condensing Boilers
STarTuP SETTiNgS
Boiler Type = Hybrid
Condensing Boiler Type = Modulating
Condensing Boiler Number = 2
Condensing Output Type = Any voltage
Condensing Modulating Mode = Parallel
Non-Condensing Boiler Type = Staging
Non-Condensing Output Type = On/Off
Non-Condensing Boiler Number = 2