14
Figure 18: Thermostat Isolation Relay Attachment
f. Attach "Frequent Water Addition" Label above
the "Lowest Permissible Water Level" Plate.
3.
All Steam Boiler Controls Cartons
a. Install Junction Box. See Figure 17A.
i.
Remove center knockout in rear of Junction
Box and insert black plastic snap bushing in
hole.
ii.
Install mounting bracket to rear of Junction
Box with two (2) blunt sheet metal screws
provided.
iii.
Align center and mounting holes of Junction
Box with upper front corner of jacket left
side panel.
iv.
Install Junction Box to jacket from inside
vestibule area with two (2) blunt sheet metal
screws provided.
b. Mount transformer on Junction Box. For
Canadian boiler provide strain relief by loosely
securing Transformer to Junction Box with wire
tie inserted through Transformer plate and a
Junction Box mounting hole. See Figure 17B.
c. Fork connector on yellow wire of gas valve
harness must be removed and wire stripped
before making wire connections. Refer to
Section VIII for wiring.
d. Steam Boilers only. Secure the R8222
Thermostat Isolation Relay to upper left corner of
jacket vestibule panel with sheet metal screws
provided. See Figure 18.
E.
Continue to Section IV. Packaged Boiler Assembly,
Paragraph E.
Figure 17B: Junction Box and Transformer
Assembly
Figure 17A: Junction Box and Mounting Bracket
Assembly
III. Semi-Pak Boiler Assembly (continued)
Summary of Contents for INDEPENDENCE
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Page 56: ...56 Manifold and 1 Main Burners XI Repair Parts continued...
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Page 72: ...72 U S Boiler Company Inc P O Box 3020 Lancaster PA 17604 1 888 432 8887 www usboiler net...