INSTALLATION INSTRUCTIONS - Combination APEX-Electric. Blaze King APEX CBT
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APEX CBT
Page 19
INSTALLATION INSTRUCTIONS - Combination APEX-Electric
ADD-ON TO ELECTRIC FURNACE
Minimum blower capacity must be at least 900 cfm. Electric furnaces approved for installation in any position can be inverted and used in a down fl ow position using an adapter duct between the furnace and the addto combustibles must be maintained. Refer to general and pressure loss portions of this manual also (see
“INSTALLATION INSTRUCTIONS cont.” on page 14) .
If changes are made to the installation of the electric furnace they must comply with CSA Standard C22.1.
AN INTERLOCK LIMIT SWITCH MUST BE INCLUDED IN THE CONTROL CIRCUITRY
PREVENTING THE GAS FURNACE FROM OPERATING WHEN THE SYSTEM OUTPUT PLENUM
TEMPERATURE IS ABOVE 150°F. TYPICAL WIRING DIAGRAM FOLLOWS: SEE FIG 21. IF
YOUR ELECTRIC FURNACE DOES NOT HAVE AN R AND G CONNECTION SEE FIG. 22.
OM-APEX E V1.06
November 19, 2012
Page 20
APEX CBT
INSTALLATION INSTRUCTIONS - Combination APEX-Electric
Fig. 21 ELECTRICAL CONNECTIONS WOOD/ELECTRIC WITH R AND G CONNECTIONS
OM-APEX E V1.06
November 19, 2012
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