Utica Boilers UB90-100 インストール手順

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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 
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