Install Instructions
Table Of Contents
- Contents
- 1 Safety considerations
- 1.1 Key to symbols
- 1.2 Safety instructions
- 2 Product Description
- 3 Dimensions and Connections
- 4 Scope of delivery
- 5 Moving the boiler
- 6 Placing the boiler
- 7 Boiler installation
- 8 Check openings for combustion air supply and venting
- 9 Requirements for connection to chimneys or venting systems
- 10 Flue pipe installation
- 11 Placing the heating system in operation
- 12 Final start-up procedures
- 13 Start-up protocol
- 14 Taking the heating system out of operation
- 15 Boiler inspection and maintenance
- 15.1 Why is regular maintenance important?
- 15.2 Testing the flue system, including combustion air, air inlets and Ventilation openings
- 15.3 Inspection of the boiler and burner
- 15.4 Preparing boiler for cleaning
- 15.5 Cleaning the boiler
- 15.6 Cleaning the burner
- 15.7 Maintenance protocol
- 15.8 Troubleshooting the GC 144 II
- 16 Technical specifications
- 17 Electrical circuit diagrams
17
Electrical circuit diagrams
Logano GC 144 II – 6 720 808 893 (2014/04)30
17 Electrical circuit diagrams
Fig. 43 Wiring Diagram– GC 144 II
6 720 804 440-71.1TT
US
Page: 1/2
Wiring diagram gas-boiler GC 124 USA / GC 144 USA
Intermittent ignition
8469
8718588198
2012/11
GAW 032 USA
Drwg. no.:
Reviewed :
Edition :
Wiring diagram :
white
black
white
black
Flame roll out
safety
shutoff switch
Optional Vent
Damper Plug
24V AWG 18 WIRE
120 VAC
black
orange
yellow
black
4
R
W
L2
Plug
Plug
PV
Intermittent pilot control module S8600H
Connecting terminals for thermostat
2
Burner assembly
Terminals on boiler block
Main supply power - use circuit breaker
as required by code
1
Intermittent pilot dual
valve combination gas
control VR8204...
Pilot burner
(Honeywell)
Main valvePilot valve
green
blue
white
red
GND
MV
MV
PV
GND
PV
MV/PV
MV
24V
24V
321
yellow
white
black
green
Junction Box
Circulator
N
L
1
Emergency
Shut-off Switch
(by others)
yellow
white
L1 C1
C2
ZC
ZR
B1
B2
Blocked
vent switch
2
Boiler Sensor
Plug
3
Connecting terminals for outdoor sensor (optional)
3
Fuse
1,25AT
orange