IDEAL EXALT Combi 155, Quick Reference Boiler Piping And Wiring Manual

Page: 11 / 39

11 See appendix for listing of additional components.
Quick Reference Boiler Piping and Wiring Guide
11 See appendix for listing of additional components.
HEAT ONLY BOILER
SINGLE ZONE WITH LOW LOSS HEADER
* No Pump Setting Changes Needed With This Configuration
CH2
6 5
System
Sensor
4 3
Modulation
Signal
- +
2 1
CH 2
Thermo sta
t
CH1
Thermostat
4 3
Outdoor
Sensor
2 1
DHW
Sensor
or
Aquastat
2 1
Modbus
+ G -
3 2 1
X7 X4 X6 X5
CH2
6 5
System
Sensor
4 3
Modulation
Signal
- +
2 1
CH 2
Thermo sta
t
CH1
Thermostat
4 3
Outdoor
Sensor
2 1
DHW
Sensor
or
Aquastat
2 1
Modbus
+ G -
3 2 1
X7 X4 X6 X5
Thermostat
N G L N G L N G L N G
CH-2 PUMP
POWER CH PUMP
DHW PUMP
FLAME
L N G L N G L N G L N G
CH-2 PUMP
POWER CH PUMP
DHW PUMP
FLAME
L
HEAT ONLY BOILER
SINGLE ZONE WITH LOW LOSS HEADER
O S
WATER
SUPPLY
WATER
SUPPLY
*
No Pump Setting Changes Needed With This Configuration
Power
120VAC
CH2
6 5
System
Sensor
4 3
Modulation
Signal
- +
2 1
CH 2
Thermo sta
t
CH1
Thermostat
4 3
Outdoor
Sensor
2 1
DHW
Sensor
or
Aquastat
2 1
Modbus
+ G -
3 2 1
X7 X4 X6 X5
CH2
6 5
System
Sensor
4 3
Modulation
Signal
- +
2 1
CH 2
Thermo sta
t
CH1
Thermostat
4 3
Outdoor
Sensor
2 1
DHW
Sensor
or
Aquastat
2 1
Modbus
+ G -
3 2 1
X7 X4 X6 X5
Thermostat
N G L N G L N G L N G
CH-2 PUMP
POWER CH PUMP
DHW PUMP
FLAME
L N G L N G L N G L N G
CH-2 PUMP
POWER CH PUMP
DHW PUMP
FLAME
L
HEAT ONLY BOILER
SINGLE ZONE WITH LOW LOSS HEADER
O S
WATER
SUPPLY
WATER
SUPPLY
* No Pump Setting Changes Needed With This Configuration
Power
120VAC
C CH H2 2
6 6 5 5
S Syst yste em m
S Se en nso sorr
4 4 3 3
M Mo od du ulla attiio on n
S Siig gn na all
--
2 2
+ +
1 1
C CH H 2 2
tt
C CH H1 1
4 4 3 3
O Ou uttd do oo orr
S Se en nso sorr
2 2 1 1
D DH HW W
S Se en ns so orr
or or
A Aq qu ua as stta att
2 2 1 1
M Mo od db bu us s
+ + G G --
3 3 2 2 1 1
X7 X7 X4 X4 X6 X6 X5 X5
Thermostat
N N G G L L N N G G L L N N G G L L N N G G
P PO OW WE ER R
C CH H P PU UM MP P
DHW PUMP
F FL LA AM ME E
L L
O S
W WA ATTEER R
SSU UP PP PLLY Y
Power
120VAC
Thermostat