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Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
www.bardhvac.com
Manual: 7960-860A
Supersedes: 7960-860
Date: 12-9-19
The CMH-34 is a field-installable low ambient fan cycling
control to be used with a Bard wall-mounted heat pump.
The CMH-34 kit is for use with Bard models W24HB,
W30HB and W36HB wall-mount heat pumps.
The CMH-34 kit consists of:
• 7960-860 Supplemental Instructions
• 8406-105 Low Ambient Fan Cycling Switch
• 910-2011 Relay Assembly
• 910-2058 Outdoor Temp Switch Assembly
• 8408-048 Freeze Protect Thermostat
• 1012-065 Phillips Head Screw (2)
• 1012-085 Hex Head Self-Tapping Screw (2)
• 7950-009 Cable Tie (4)
• 7961-312-0516 CMH-34 Unit I.D. Label
Field-supplied tools needed:
• Personal protection equipment, including gloves
and safety glasses
• 5/16" nut driver
• 1/2" wrench (service port) and 9/16" wrench (LAC
control)
• Phillips head screwdriver
CMH-34 Low Ambient Control Kit
SUPPLEMENTAL INSTRUCTIONS
Sharp metallic edges.
Take care and wear appropriate protective
devices to avoid accidental contact with
sharp edges.
Failure to do so can result in personal
injury.
!
CAUTION
Exposed moving parts.
Disconnect all electrical power before
servicing.
Failure to do so can result in severe injury
or amputation.
!
WARNING
Electrical shock hazard.
Disconnect the remote electric power
supply or supplies before servicing.
Failure to do so can result in serious injury
or death.
!
WARNING
