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Instantaneous Water Heater - 4 Pages
Plate & Frame heat exchanger Boiler side pressurizing pump to supply the heat exchanger Temperature controller 3-way motorized control valve High temperature safety shut off aquastat Temperature sensor on the hot water supplyThe unit is shipped fully assembled with factory default settingsprogrammed into the controller. For installation the unit requires
mechanical plumbing connections for hot water supply, cold boiler
return, municipal water supply, domestic recirculation, domestic hot
water supply lines, and an electrical supply connection. Once installed
and energized the system is ready to supply hot water.Armstrong also provides the option for an enhanced IWH packagedsystem that includes these additional features: Built-in recirculation pump 5 additional temperature sensors Feed-forward controller for more accurate temperature control >
rmstrong Instantaneous Water Heaters (IWH) are a safer,more cost effective approach to domestic hot waterheating than traditional storage tanks. The IWH units are available in a
wide range of sizes and can be configured with either a basic or an
enhanced controller.The IWH is ideal for schools, hospitals, hotels, commercial buildings,apartments, condominiums, institutional facilities, nursing homes and
process applications. The Armstrong IWH unit can operate with dedicated
hot water boilers, or can be combined with space heating boiler systems.
Whatever your application, an Armstrong IWH unit can meet your
needs.Armstrong IWH packaged systems provide hot waterinstantaneously. Unlike storage tank approaches, water is heated on
demand as it flows through the system. Where a hot water storage tank
may become depleted during periods of peak demand and then requiretime for re-heating, a properly sized IWH unit can supply hot water at
peak demand without any recovery period.The basic IWH packaged system ships completely assembled on acompact common base-plate, that can be maneuvered through the
average mechanical room door. The basic system includes: Communications interface compatible with BAS networks Capacity for installation in a 'master-slave' configuration to sequence parallel IWH units Smart, energy-saving sleep mode Energy-saving night-time temperature setback Isolation shut-off valves at all piping connectionsThe enhanced IWH packaged system provides more precisetemperature control to address boiler supply temperature transients,
and offers extra features to deliver increased energy savings.The IWH sets a new standard for domestic hot water heating. Whencompared with traditional approaches to hot water heating, an IWH
saves from 30% to 80% of the floor space required by a storage tank
system. In addition, because the IWH system does not store heated
water, it greatly reduces the health risks of Legionella bacteria that are
associated with storage tanks. The Armstrong IWH is a great solution for
domestic hot water that provides uninterrupted supply, saves energy,
saves installation time and reduces first cost. >
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IWH FILE NO:115.10DATE:Aug.15, 2003SUPERSEDES:115.10DATE:Apr.30, 2002 Instantaneous Water Heater > -
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WATERHEATER Features & Benefits Small Footprint Saves boiler room space Night-time temperature set-back ח Energy savings Optional Double-Wall... -
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Boiler Water as Heat Source SpecificationSpecification F urnish & install in accordance with the plans an ArmstrongInstantaneous Water Heater, Model...
