Chiltrix Inc. www.chiltrix.com
DHW (Domestic Hot Water)
G2 Valve
G2: DHW/AC / Heating 3-Way Valve
In DHW mode, the G2 valve is powered off. In AC/heating mode, G2 is powered on.
Parameter P56 must be “1” to enable DHW.
G2 and G3 valves use 220v Primary from the cx50. Use conduit and install per local code.
DHW target setting temperature is the tank water temperature measured with the DHW sensor, not the
cx50 inlet water temperature. If the target temperature is 120°F, , and the differential is 2°c, it means,
when the DHW tank reaches 120°F, the compressor will stop. When the DHW tank temperature is lower
than 116°F, DHW will start. See the Chiltrix Tank Manual before proceeding to install or connecting any
DHW or buffer tank.
See the Chiltrix Tank Manual for important details and options for using cx50 with DHW, including
backup heat options, and anti-legionella function. READ THE CHILTRIX TANK MANUAL BEFORE
DESIGNING, CONNECTING, CONFIGURING, OR USING DHW.
The indoor ambient air temp is not used at this time, however, do not disconnect this sensor. Leave all
unused sensors plugged in and wrapped in the bundle above the compressor.
21
IMPORTANT
Check all tank ports including
under any element covers to
make sure any unused ports
are plugged. Pre-plugged
ports may be only finger-
tight. Check ALL ports and
plugs for water tight fit.
Note; There is a clear
plastic bag taped to the
cx50. It contains the
mounting feet, DHW
sensor, and controller
cable. Controller is inside.
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