The basic program uses standard Y and O inputs to operate the heat pump. Vortex also sells heat pumps with advanced control features which measure storage tanks directly and can utilize outdoor reset to adjust water temepratures.
W2W Heat Pump Controller - Basic Controller Keypad By using the option and setting keys, different parameters and their settings may be displayed and modified. Use the option key to scroll through the available parameters, and use the setting key to modify the parameter’s current setting (if available). By default, the control will remain in ‘user’...
W2W Heat Pump Controller - Basic LD_TMP – The measured load-side leaving water temperature, in degrees Fahrenheit. Desuperheater For W2W heat pumps equipped with an optional desuperheater (hot water booster), the following parameters apply: DSP_TMP – The measured desuperheater temperature, in degrees Fahrenheit. DSP_MAX (default is 140 F) –...
W2W Heat Pump Controller - Basic counter, set ALM_RST to ON for a few seconds and then set back to OFF. Compressor should then be allowed to come back on once the delay period has passed. Controller Wiring Detail The controller diagram below shows the wire connections to the control mounting plate. Depending on the model of W2W heat pump, some connections may not be used.
W2W Heat Pump Controller - Basic Control Parameters – User and Admin Mode Table 3 - User Mode Parameters Line 1 Line 2 Set.* Description Notes Status #### Displays status text. LAST_ERR #### Displays last fault text. SRC_TMP ###.# F Source (Ground) heat exchanger outlet water temperature LD_TMP ###.# F...
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