Pressure Service Ports; Figure 26 Q-Tec Cooling Mode Circuit Diagram - Bard Q-TEC Q24H3DA Installation Instructions Manual

PRESSURE SERVICE PORTS

High and low pressure service ports are installed on
all units so that the system operating pressures can
be observed. Pressure curves can be found later in
the manual covering all models on both cooling and
heating cycles. It is imperative to match the correct
pressure curve to the unit by model number. Upper
and lower service doors must be attached to obtain
proper reading.
This unit employs high-flow Coremax valves instead of
the typical Shrader type valves.
FIGURE 26
Q-TEC Cooling Mode Circuit Diagram
WARNING! Do NOT use a Schrader valve core removal
tool with these valves. Use of such a tool could result
in eye injuries or refrigerant burns!
To change a Coremax valve without first removing the
refrigerant, a special tool is required which can be
obtained at www.fastestinc.com/en/SCCA07H. See the
replacement parts manual for replacement core part
numbers.
Manual 2100-653
Page 35 of 44