Marvair Scholar III™ VAISA I&S Manual 03/2019 Rev. 8
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heat turns on. This may be field adjusted to the desired temperature setting by
rotating the knob on the control panel. (See Figures 5 and 6.)
3.
Electric Heat Control (heat pump only)
. allows the user to select whether the
electric heat operates simultaneously with the compressor. The units are wired at the
factory for simultaneous operation. For non-simultaneous operation, a wire is moved
from one terminal to another in the control box.
4.
Electric Heat During Defrost (heat pump only).
Allows the user to select whether
electric heat operates when the heat pump enters into the defrost mode. The units
are wired at the factory to prevent the electric heaters from operating during the
defrost mode. For operation during defrost, a wire is moved from one terminal to
another in the control box.
1.14 REMOTE THERMOSTAT INSTALLATION
A. Locate the thermostat about five feet above the floor on an inside wall. Avoid the
following:
Hot Spots
Cold Spots
Dead Spots
Concealed Pipes or Duct
Concealed Pipe or Ducts Behind Doors
Registers
Stairwells - Drafts
Corners and Alcoves
TV Sets
Doors - Drafts
Radio
Unheated Rooms on Other
Lamps
Side of Wall
Direct Sunlight
After choosing the wall upon which to mount the thermostat, see instructions in the
thermostat box for mounting the thermostat on the wall.
B. The thermostat should be wired to the terminal strip in the Scholar III™ heat pump or
air conditioner in accordance with Figure 9, and in accordance with the thermostat
instructions, National Electric Code, and with local electrical codes, where they
prevail.
