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SEMI-INSTANTANEOUS WATER HEATER AND REPAIR PARTS

Non-UW-Madison users contact: Vendor Representative

SEE BELOW

Manufacturer known to meet these specifications:  Cemline SSH Series Semi-instantaneous Water Heaters

     Note:  The following applies to water heaters Sections 1.1 through 1.3.

• Type-factory fabricated and packaged, double wall semi-instantaneous steam to water heater with horizontal cupronickel tube bundle

• Construct and stamp in accordance with Section VIII of the ASME code for a working pressure of 150 PSIG

• Design with flanges and unions at steam, condensate and water connections for removal of heat exchanger

• All materials (including fittings and piping) in contact with domestic water are to be non-ferrous.  Cupronickel double wall bundle with non-ferrous tube sheets and baffles, cupronickel, hot water shell.  Cast iron or steel steam chamber.

• Controls:  2-way normally closed pneumatic spring return modulating control valve with stainless steel trim, TFE seat and packing, sensing bulb, adjustable controller and load anticipator capable of maintaining outlet temperature within +/- 4° of set point over flow range of 3-100% of rated flow.  Double solenoid electric hi-limit with automatic reset capable of shutting steam valve on over temperature.  All wiring to be factory packaged, enclosed in control enclosure or conduit.

• Accessories:  ASME temperature and pressure relief valves, steam and condensate strainers, main and auxiliary steam traps, water thermometer, steam pressure gauge, 1 ½” fiberglass insulation with painted steel jacketing, painted structural steel support frame, lifting lugs, bronze 1/12 HP circulator pump with isolation ball valves and disconnect switch, Type K ASTM B88 copper water piping, Schedule 40 ASTM A53 black steel piping, Schedule 80 ASTM black steel condensate piping.

• Coil shall be double walled ¾” O.D. tubing with vented leak paths

• Furnish water heater with additional safety system designed to relieve excessively heated water from vessel.  The safety system shall be programmable for set point and differential and shall be of the electronic type.

      1.1        Water Heater
                  Semi-instantaneous
                  Tank Size 16” X 33” O.A.L.
                  2” Inlet
                  2” Outlet
                  ¾” O.D Tubes double wall with 90/10 Copper-Nickel
                  Designed to heat 20 G.P.M. of water to 50° to 140° using 10 P.S.I. steam at
                   control and 5 P.S.I. steam at tubes
                  All materials in contact with water shall be non ferrous

      1.2        Water Heater
                  Semi Instantaneous
                  Steam Powered
                  Designed to heat 40 G.P.M. of water to 50° to 140° using 10 P.S.I. steam at
                   the control and 5 P.S.I steam in the tubes
                  2 1/2” inlet
                  2 1/2” outlet
                  All materials in contact with water shall be non ferrous

      1.3        Water Heater
                  Semi Instantaneous
                  Steam Powered
                  Designed to heat 60 G.P.M. of water to 50° to 140° using 10 P.S.I. steam at
                  the control and 5 P.S.I steam in the tubes
                  3” inlet
                  3” outlet
                  All materials in contact with water shall be non ferrous

2.      Warranty:
Non-prorated 10 year warranty for heat exchanger, shell and load anticipator controls against any failure.  Provide factory warranty with shop drawing submittals and operation and maintenance manuals.

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