6.7
CONNECTING A CHMF FURNACE SYSTEM TO AIR CONDITIONING
SUGGESTED KIT
HMFK-AC1 • Contains limit switches and damper
position/warning labels for interlocking
plenum damper controls to wood
furnace combustion air controls.
ONLY USE A BYPASS PLENUM ARRANGEMENT WHEN CONNECTING AIR CONDITIONING TO A
CHMF/HMF 150/200 FURNACE SYSTEM. OTHER ARRANGEMENTS MAY CAUSE REDUCED AIR
FLOW IN DUCTWORK WHICH MAY CAUSE FURNACE AND AIR CONDITIONING EQUIPMENT TO
OPERATE OUTSIDE THEIR SAFE OPERATING PARAMETERS. FURNACE AND DUCTING SYSTEMS
COULD DEVELOP EXCESSIVE SURFACE TEMPERATURES INCREASING THE RISK OF FIRE,
RESULTING IN EQUIPMENT DAMAGE, PROPERTY DAMAGE, AND PERSONAL INJURY INCLUDING
ALL SEASONAL DUCTING DAMPERS MUST BE CORRECTLY ORIENTED FOR THE APPROPRIATE
MODE OF OPERATION (FURNACE OR AIR CONDITIONING). FAILURE TO CORRECTLY POSITION
THE SEASONAL DUCTING DAMPERS WILL CAUSE FURNACE AND AIR CONDITIONING
EQUIPMENT TO OPERATE OUTSIDE THEIR SAFE OPERATING PARAMETERS. FURNACE AND
DUCTING SYSTEMS COULD DEVELOP EXCESSIVE SURFACE TEMPERATURES INCREASING
THE RISK OF FIRE, RESULTING IN EQUIPMENT DAMAGE, PROPERTY DAMAGE, AND PERSONAL
DO NOT USE "FAN SUMMER SWITCH (ON MODE)", "OVERIDE SWITCHES (MANUAL POSITION)",
"CONTINUOUS FAN OPERATION ON BACK UP FURNACE (IN "ADD ON" CONFIGURATION)", WHEN
DO NOT CONNECT HRV'S SO THEY ARE CONTROLLING THE CYCLING OF THE FURNACE
FAILURE TO COMPLY WITH THIS WILL RESULT IN EXCESSIVE COOLING OF THE EXHAUST
PRODUCTS AS THEY PASS THROUGH THE EXCHANGER PIPES, THE FURNACE FLUE AND
THE CHIMNEY SYSTEM. THIS COOLING WILL RESULT IN THE CONDENSATION OF EXHAUST
PRODUCTS IN THE EXCHANGER AND CHIMNEY RESULTING IN EXCESSIVE CREOSOTE BUILD UP.
THE CREOSOTE BUILD UP WILL RESULT IN REDUCED EFFICIENCIES OF THE EXCHANGER TUBES
REQUIRED KIT
HMFK-AC2 • Contains fi eld install relay blocks
DEATH.
INJURY INCLUDING DEATH.
OPERATING THE WOOD FURNACE.
CIRCULATION BLOWER.
AND MAY CAUSE A CHIMNEY FIRE.
and wiring required when using
HMFK-BMP50(-1) Blower Module in
combination with central air.
H3.60
H3.65A
W415-1506 / C / 02.15.18
45
EN