? APPLICATION : Room temperature control of heating and/or cooling in HVAC installations with 2 pipe fan coil units. The functions include manual selection of heating/cooling, HIGH/MED/LOW 3-speed fan and ON/OFF/VENT depend on different types. ? DESIGN FEATURES : ---Attractive white plastic housing for flat wall mounting. ---Rear or top cable entry to screw terminals. ---Mounting plate suitable for standard conduit boxes. ---Electronic sensing element actuating relay(s) and time delay built in to stop chattering. ? TYPE AND OPERATING DATA : 230V 10% 120V 10% OPERATING DATA ERT21.2 ERT21.1 For heating or cooling with HIGH/MED/LOW fan speed, ON/OFF switch, addition contact output, and LED status display. ERT22.2 ERT22.1 For heating or cooling with HIGH/MED/LOW fan speed. ON/OFF/VENT switch, and LED status display. ERT24.2 ERT24.1 For heating or cooling with HIGH/MED/LOW fan speed, HEAT/OFF/COOL switch, and LED status display. ERT25.2 ERT25.1 For heating and cooling with preset differential 3 with HIGH/MED/LOW fan speed and ON/OFF/VENT switch. ? ORDERING INFORMATION : When ordering, please give quanity, designation and type code. ---Example : 1 pc, on/off room thermostat. 230V, ERT22.2
? APPLICATION : Room temperature control for 2-pipe fan coil units in heating or cooling systems. Usable in heating, ventilation and air conditioning plants to maintain the selected temperature.
? APPLICATION : Room temperature control for 4-pipe fan coil units in heating or cooling systems. Usable in heating, ventilation and air conditioning plants to maintain the selected temperature.
? APPLICATION : Room temperature control of heating and/or cooling in HVAC installations with 2 pipe fan coil units. The functions include manual selection of heating/cooling, HIGH/MED/LOW 3-speed
? APPLICATION : Room temperature control for 2-pipe fan coil units in heating or cooling systems. Usable in heating, ventilation and air conditioning plants to maintain the selected temperature.
? APPLICATION : Suitable for use as control valves in small to medium heating, ventilating and air conditioning plants for low-pressure hot water and chilled water systems with permissible fluids
? APPLICATION : Suitable for use as control valves in small to medium heating, ventilating and air conditioning plants for low-pressure hot water and chilled water systems with permissible fluids
? APPLICATION : Suitable for use as control valves in small to medium heating, ventilating and air conditioning plants for low-pressure hot water and chilled water systems with permissible fluids
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