Bard CMA-43 Field-Installable Outdoor Thermostat
The CMA-43 is a field-installable outdoor thermostat suitable for use as a compressor cutoff thermostat. This thermostat stops the compressor operation below the selected temperature (ºF). The thermostat is adjustable from 0ºF to 50ºF. Default setting is 10ºF.
The CMA-43 kit is for use with Bard models W42AC, W48AC, W60AC and W72AC air conditioners.
The CMA-43 kit consists of:
- 7960-858 Supplemental Instructions
- 910-2110 Outdoor Thermostat
- 7950-020 Vinyl Covered Clamp (2)
- 1012-065 Phillips Head Screws (2)
- 1012-085 Hex Head Screws (3)
- 7961-312-0515 CMA-43 Unit I.D. Label
Field-supplied tools needed: - Appropriate personal protection equipment, including gloves and safety glasses
- 5/16″ nut driver
- Phillips head screwdriver
- Small flat head screwdriver for securing wire in terminal blocks
- Multimeter for troubleshooting
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.
- Exposed moving parts.
- Disconnect all electrical power before servicing.
- Failure to do so can result in severe injury or amputation.
CAUTION
- 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.
Bard Manufacturing Company, Inc. Bryan, Ohio 43506
www.bardhvac.com
Manual: 7960-858
Supersedes: NEW
Date: 9- 24-19
Installation
Disconnect all power to wall-mount unit. Remove control panel outer and inner covers, right side condenser inlet grille and front service access panel.
- Mount outdoor thermostat 910-2110 in the control panel with screws provided as shown in Figure 1.
- Route wires through the wire channel in the control panel to the compressor control module and the compressor contactor as shown in Figure 2.
- Route thermostat bulb through bushing in condenser partition and mount to the fan shroud with the clamp and screw provided as shown in Figure 1.
- Recheck wiring. Refer to Figure 2 and the unit wiring diagram. Set thermostat to the desired cutout temperature for the compressor. 0º or above is recommended.
- Attach “CMA-43” label to the inner control panel cover above the unit wiring diagrams.
- Replace all panels and covers. This completes the installation.
