Here is a picture gallery about fan coil unit schematic diagram complete with the description of the image, please find the image you need. On a call for cooling, the thermostat signals for the heating control valve to modulate toward the closed position. FAN COIL WITH COOLING ONLY CONTROL. Use Copper Wire (75ºc Min) Only Between Disconnect Switch And Unit. To Be Wired In Accordance With Nec And Local Codes.
If Any Of The Original Wire , As Supplie Must Be Replace Use The Same Or Equivalent Type Wire.
Use Amp class K Fuses Only, For Replacement. Basic series fan - coil units are single room air conditioners designed for cooling and heating load capabilities of 4to 8cfm. Units can be selected with either one hydronic circuit (2-pipe) or two hydronic circuits (4-pipe) coil connections. In the case of a full cabinet unit , the unit must obviously be handled by the exterior casing. This is acceptable providing the unit is again maintained in an upright position and no impact forces are applied that may damage internal components, access panels, or painted surfaces.
All manufacturers’ warranties are void if foreign material is allowed to be deposited on the motor or blower wheels of any unit. I have further analyzed the wiring between the fan coil units and thermostats, and it definitely looks like temporary stuff. Fan Relay Board (FRBii) – Installation, Operation, and Maintenance.
Fan Coil Unit (FCU) Fan Motor Control.
Dunham-Bush Panther fan coil units are available with accessories for fitted stand alone or remote control. These include fitted or remote setpoint adjusters, remote room air sensors and remote fan speed controllers. Refer to the wiring diagram included with the fan coil unit for details on installation and wiring of remote controls. Outside air damper opening is located on left or right side of unit Wiring from electrical.
The unit must be GROUNDED to prevent possible hazard due to insulation failure. All electrical wiring must not touch the water piping or any moving parts of the fan motors. Confirm that the unit has been switched OFF before installing or servicing. See Figure for unit components.
Fan - coil units are available as 2-pipe with or without electric heat (one hydronic circuit) or 4-pipe (two hydronic circuits). The new range of fan coil units offers models, of which in flexible. Of course, doing a great maintenance on a fan coil unit means going a little deeper, but the extra effort is always worth it. Guide Specifications Unit Description Factory-assemble horizontal, blow-thru type, galvanized casing, ceiling ducted fan coil unit is complete with water coil , fans, motors, drain pan, filters and all required wiring , with full access to internal components. Wiring the systeWire the system in accordance with local code and the wiring diagrams.
When the fan coil unit is in operation components are rotating at high speeds. Units must be installed level to ensure proper drainage and opera-tion. Allow a minimum of 24” clearance from access panels.
Recommended method of securing for typical applications a. Fan coil unit must be secured to the structure using field-supplied hardware.
If fan coil is away from wall, attach pipe strap to top of fan coil using No. A variety of options and accessories are available to meet most air conditioning requirements.
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