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Indoor coil freeze protection
This feature will prevent the indoor coil from freeze up in the cooling
mode.
•
Indoor coil freeze up can occur due to a dirty air filter, restricted
or poor air flow, low refrigerant charge or low room or coil water
temperatures.
•
Low temperature water flow cut-out switch.
•
High pressure control.
•
Should a freeze condition be detected, the compressor will be
switched off until the freeze condition is satisfied.
•
During this time the indoor fan will continue to run to aid in the
defrost process.
Power cord with integral safety protection
Water Source Console Units have the option of a power cord
with internal safety protection.
•
Provides personal shock protection as well as arcing and fire preven-
tion, The device is designed to sense any damage in the line cord
and disconnect power before a fire can occur.
•
Tested in accordance with Underwriters Laboratories, the cord set
also offers a unique "passive" operation, meaning the unit does not
require resetting if main power is interrupted.
Heat pump
(optional)
Heat pumps are designed to operate when entering water temperature
is between 60°F(16°C) to 90°F(33°C) and with a maximum indoor air
temperature of 80°F(27°C). The unit is equipped with a reversing valve
that is energized for cooling and de-energized in heating mode.
Hydronic heating
(optional)
An optional hydronic heat package may be selected in lieu of electric
heat. Heating operation is essentially the same as that of units with
electric heat.
The Right Fit for Comfort
• Installation, Operation, and Maintenance Manual •
Features
(standard)
(optional)
Water Source Console Units
Optional wall-mounted thermostats
Thermostats available from EMI
EMI offers a thermostat that is compatible with your Water Source
Console Unit.
•
Select EMI part number 240008208 for the latest RetroAire price
list for this option. This is a single stage, cool/heat, thermostat
that can be used in all RetroAire cooling, heating or heat pump
applications.
•
The thermostat has an adjustable setpoint range of between
45°F(7°C) and 90°F(32°C).
•
For heat pumps another option is EMI part number 240008209.
This is a 2 stage heat/cool thermostat which allows for emergency
heat.
Selecting a thermostat (by others)
When selecting a thermostat other than one offered by EMI, choose
a single stage heat/cool, 24v thermostat.
Straight cooling with electric heat or hydronic heat
Select a thermostat that is compatible with a cooling/electric heat sys-
tem. The thermostat should have "R", "Y", "W" and "G" terminals.
Heat pump
Select a thermostat that is compatible with a cooling/single-stage
heat/heat pump system. The thermostat should have "R", "Y", "O" and
"G" terminals. RetroAire units are single stage heating only.
8
P/N 240008071, Rev. B [112309]
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Troubleshooting
