53. Biddeford City Hall, Maine 2x 8 ton VRV + 1x 3- ton VRV-S Primary Hot Water Coil Integration 2 x 8ton VRV H/P & 1 x 4ton VRV-s Ambient temperature sensor (left) & thermostat tied in ABC terminals Hot water coils connected with indoor units Boiler system for hot water coils and other radiator heaters Zone valve for hot water coil controlled by KRP1B
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55. Hot water Boiler Zone #1 Zone Valve Ambient Thermostat KRP1B Zone Valve Zone #2 Zone #3 Floor Radiant Heater for bathrooms Below 20F, BC terminal on the outdoor unit PCB is shorted One of the end switches kicks on the boiler Hot water coil Indoor unit Zone valve Zone valves for Floor Radiant Heater Hot water coil Indoor unit Boiler Room in the attic Mechanical closet in the room CS #3 (cont’d) Boiler circulates hot water and, heats it up instantly
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57. Existing AHU with hot water coil FXSQ Living room Supply air from floor Euro Remote Backside of Existing AHU Return Air Basement Hot water Zone Valve for hot water coil Zone Valve is controlled by KRP1B, heater output AHU is controlled by KRP1B, fan status Boiler system Zone Valve for radiator Zone Valve (end switch) kicks on the boiler Cooling mode: FXSQ cooling coil and fan + AHU fan Heating mode: FXSQ fan + AHU heating coil and fan CS #4 (cont’d)
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63. Gibbs College 1x 8 Ton VRV 7x FXAQ12 2x FXFQ18 First Ever VRV Installation in Boston, MA
