III. Gas Control System Assembly (Knockdown Boilers)
A.24V Standing Pilot Control System
Install Gas Control System. All components are located in Combination Boiler Parts and Control Carton.
1.Install Gas Control Assembly on Manifold. See Figure 10. Use thread (joint) compound (pipe dope) resistant to action of liquefied petroleum gas.
2.Install pilot burner piping and controls. See Figure 10.
3.Connect Thermocouple Lead to Gas Valve.
4.Mount Transformer (continuous circulation) or Control Center (intermittent circulation) to Junction Box.
a.Canada only - loop 4” nylon cable tie between junction box and transformer/control center.
b.Attach transformer/control center to junction box.
B.EI (Intermittent Ignition)
Install Gas Control System. All components are located in Combination Boiler Parts and Control Carton.
1.Install Gas Control Assembly on Manifold. See Figure 11. Use thread (joint) compound (pipe dope) resistant to action of liquefied petroleum gas.
2.Install pilot burner piping and controls.
a.Honeywell EI
i.USA - See Figure 12.
ii.Canada - See Figure 13.
3.Install Ignition Module.
a.Attach Ignition Control Mounting Bracket to Jacket Vestibule Panel using two (2) #8 x ½” sheet metal screws.
b.Attach Honeywell Ignition Module to Mounting Bracket using two (2) #8 x ½” sheet metal screws.
c.Connect pilot ground wire and ignitor/sensor lead(s) to ignition module. Refer to “Section VII: Electrical” for connection details.
4.Mount Transformer (continuous circulation) or Control Center (intermittent circulation) to Junction Box. See Figure 8.
a.Canada only - loop 4” nylon cable tie between junction box and transformer/control center.
b.Attach transformer/control center to junction box.
C.OP Control System
Install Gas Control System. All components are located in Combination Boiler Parts and Control Carton.
1.Install Gas Control Assembly on Manifold. See Figure 14. Use thread (joint) compound (pipe dope) resistant to action of liquefied petroleum gas.
2.Install pilot burner piping and controls. See Figure 14.
3.Connect Thermocouple Lead to Gas Valve.
4.Mount Transformer (continuous circulation) or Control Center (intermittent circulation) to Junction Box.
a.Canada only - loop 4” nylon cable tie between junction box and transformer/control center.
b.Attach transformer/control center to junction box.
D.
Install Gas Control System. All components are located in Combination Boiler Parts and Control Carton.
1.Install Gas Control Assembly on Manifold. See Figure 15. Use thread (joint) compound (pipe dope) resistant to action of liquefied petroleum gas.
2.Mount pilot switch.
3.Install pilot burner piping and controls. See Figure 15.
4.Connect Thermocouple lead to pilot switch.
5.Mount Transformer (continuous circulation) or Control Center (intermittent circulation) to Junction Box.
6.Attach transformer/control center to junction box.
E.EP Control System
Install Gas Control System. All components are located in Combination Boiler Parts and Control Carton.
1.Install Gas Control Assembly on Manifold. See Figure 16.
2.Install pilot burner piping and controls. See Figure 16.
3.Install Ignition Transformer.
a.Attach Ignition Transformer to Jacket Vestibule Panel using four (4) #8 x ½” lg. sheet metal screws.
b.Connect Ignition Lead from Pilot to Ignition Transformer.
4.Mount Transformer (continuous circulation) or Control Center (intermittent circulation) to Junction Box.
a.Canada only - loop 4” nylon cable tie between junction box and transformer/control center.
b.Attach transformer/control center to junction box.
15
