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Summary of Contents for Applied Comfort NYWC Series
- Page 1 NYWC SERIES UPFLOW PACKAGED TERMINAL AIR CONDITIONERS Hydronic or Steam Heating and Cooling Unit INSTALLATION & OPERATION MANUAL IMPORTANT: READ AND SAVE THESE INSTRUCTIONS. INSTALLATION AND WIRING MUST BE IN ACCORDANCE WITH CEC, NEC AND LOCAL ELECTRICAL CODES. 802961 Rev. 00...
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Page 2: General Information
NYWC Series Cooling with Hydronic or Steam Heating Chassis GENERAL INFORMATION WARNING: To avoid property damage, bodily injury or death, ensure power is disconnected before any service is attempted. Repairs should be made by qualified service personnel only. The chassis must be installed in accordance... - Page 3 Reducing Load PLUG AND RECEPTACLE To reduce the cooling load, draw drapes or blinds in the All 230-208 Volt units are furnished with a NEMA 6-20P, summer, to reflect direct rays from the sun. 20 Amp non-locking plug, and hence will require a NEMA 6-20R receptacle to be field-provided.
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Page 4: Chassis Installation
affixed to the specific unit being installed. Insulated crimp- on connectors are provided at the end of every connection lead to facilitate connections/insulation. If an aquastat will be not be used, connect the ends (blue/orange) of the aquastat leads together to permanently complete the aquastat circuit. - Page 5 USER CONTROLS - GENERAL Cooler Key The NYWC series is available with advanced-function Pressing the Cooler Key will cause the display to show set electronic controls with membrane switch type keypad, or, point temperature for 3 seconds, and then decreases room with conventional knob-actuated electromechanical controls.
- Page 6 Disable Heating or Cooling, but Initiate Fan-Only Press On/Off key to turn off LED display. Press Fan key to cycle through the fan settings as indicated by the small circular LEDs. Select continuous High or Low speed. Do not select Auto, as it will turn the fan off. CONTROL AT THE WALL THERMOSTAT CONVERSION TO 24V REMOTE THERMOSTAT Except for the wall thermostat and thermostat cable,...
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Page 7: Thermostat Location
Electric Heat / Cool and Cooling-only All the internal control features of the electronic board remain active, except for keyboard and display interface The following thermostats in either manual or automatic functions room temperature sampling. Room changeover may be used: temperature is detected at the location of the wall thermostat, and is usually a much more accurate representation of bulk room temperature. -
Page 8: Wall Thermostat Operation
overload during re-start due to unequal system refrigerant WALL THERMOSTAT OPERATION pressures. Heat Sets the unit into heating mode. Initiates heating when room Indoor Coil Freeze Protection temperature falls below set point. Control of frost on the evaporator coil due to low indoor Disables heating and cooling modes, loads, or cold outdoor ambient temperatures, is provided. - Page 9 comfortable setting is determined and set, no other unit is shipped from the factory allowing a wide range of adjustments are necessary. rotation. Altering the range of rotation is easily done. Over-adjusting the thermostat will not increase the rate at Remove the thermostat knob by pulling it with sufficient which the unit will heat or cool the space;...
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