Utica Boilers UB90-100 インストール手順
Figure 17 Install Hot Surface Igniter
Figure 18 Connect to Casting Temperature Switch, Inducer, Gas Valve, Igniter Ground and Ground Wire
HSI Installation
Figure 16 Attach Gasket and Gas Mixing Valve
5. Attach gas valve body. Leave nuts loose. See
fi gure 16
6. Install supplied hot surface igniter with two
screws. Tighten all screws holding gas mixer in
place. Ensure wire crimp of grounding spade is
under the gasket. See fi gure 17.
7. Kit 550002829 (100 MBH only)
:
• Install supplied inducer with 4 pin connector.
• Install supplied air baffl e plate marked "100
• Install supplied air baffl e plate marked "100
S3" inside Fernco fi tting. See fi gure 8.
8. Connect wires at: See fi gure 18.
A. Casting temperature switch
B. Inducer temperature switch
C. Gas Valve
D. Igniter ground and ground wire