Contractor shall provide and install 4” diameter fiue and combustion air venting for the domestic
water heater to terminate at the exterior of the building. Venting shall be installed as per
manufacturer provided guidelines and material shall be as per manufacturer. Routing of vents shall
be coordinated with and approved by the owner but it is assumed they could be run up in the flue
chase adjacent to the break room above the mechanical room and then terminated at the sidewall.
Contractor shall provide startup services and training on site for the new system.
Refer to attached specifications for equipment and materials information.
*% Automatic Temperature Contrei (ATC) Sysiem
The existing JCI Metasys MCM controller (Panel C6) shall be removed and the field controllers are
expected to remain in place for reuse. A new controller similar to JCI Facility Explorer or Distech
Controls and is to be compatible with the existing controls shall be provided and installed as a new
front end and reconnected to the existing field controllers.
The contractor is responsible to provide a new user interface integrating all the existing controls as
well as the new point/controller for the proposed replacement domestic hot water plant. Provide a
unit price for new field controllers in case an existing controller is found to be deficient. The
contractor shall submit for review and approval control shop drawings indicating all points, wiring,
and sequences to be utilized in the final ATC system.
Contractor shall provide startup services and training on site for the new system.
The contact for representative at Control Technologies Incorporated that is familiar with the
project is as follows:
Chris Clorite
(603)626-6070
celorite@controltechine.com
& Domestic Hot Water Plant
The existing domestic water heater, storage tanks, thermostatic mixing valve, recirculation pump,
expansion tank, thermometers, valves shall be removed in their entirety for replacement with a
new domestic hot water plant. The existing domestic water system shall be removed from the
check valve on the cold-water feed for the water heaters to the hot water discharge side of the
thermostatic mixing valve. The new system shall be reconnected to the existing domestic water
distribution system at the points noted above.
A new 600 MBH gas fired condensing instantaneous domestic water heater (Similar to the Aerco
Inn 600) with 696 GPH output at 100°F rise shall be installed serving two new 119-gallon hot water
storage tanks. The tanks shall be piped in a reverse return fashion and a circulation pump (12 GPM
@ 20’ TDH) shall be provided for maintaining temperature in the storage tanks. The water heater
shall be suitable for use at a minimum gas pressure of 4” WC as only 4.5” WC is guaranteed after
meter.
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66 Jackson St, Littleton, NH 03561 | 40 So. River Rd #35, Bedford, NH 03110 1 Ph: 603.444.6578 | www.yeatonassociates.com
