OM-APEX E V1.06
November 19, 2012
Page 17
APEX CBT
INSTALLATION INSTRUCTIONS cont.
THERMOSTATS
Your system uses two thermostats - one to control the wood add-on and one to control the alternate furnace.
Th
e alternate (electric, gas or oil) thermostat must be interlocked to the limit switches provided on the wood
furnace plenum (see wiring diagrams). Th
is is to prevent the alternate furnace from operating when the plenum
temperature rises above 150°F. Th
ermostats should be mounted side by side on an inside wall out of direct
sunlight or other heat sources.
ELECTRICAL GENERAL
All wiring on the Apex CBT shall be fastened to the outside of the insulated cabinet surfaces only. Th
is is to
prevent overheating by direct contact with fi rebox components.
Electrical installation must be done by a qualifi ed licensed electrician, experienced in control circuit wiring.
FAN LIMIT INSTALLATION
Drill 2 holes into the front of the plenum 18” above unit. Using the bracket provided, install the fan limit
junction box assembly onto the furnace warm air plenum. All wiring must be routed on the outside of the
cabinet surface. Installation of wiring must be by a qualifi ed electrician. See instructions for wiring diagrams
which apply to your specifi c installation.
Fig. 19
TEMPLATE FOR DRILLING HOLES—CUTOUT LINES
dia 0.8 in (2x)
3.5 in
Summary of Contents for APEX CBT
Page 5: ...OM APEX E V1 06 November 19 2012 Page 5 APEX CBT APPLIANCE DIMENSIONS ...
Page 7: ...OM APEX E V1 06 November 19 2012 Page 7 APEX CBT CERTIFICATION LABEL ...
Page 33: ...OM APEX E V1 06 November 19 2012 Page 33 APEX CBT BRICK LAYOUT ...
Page 40: ...OM APEX E V1 06 November 19 2012 Page 40 APEX CBT NOTES ...
