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Bid Documents & Specificationsfor

CHP Thermal System Package

Date: March 2006

SPEC: Parcel 3M CHP Thermal

Version: Bid Documents


INDEX

Section 1 General

Section 2 Mechanical

Section 3 Electrical

Section 4 Controls

Section 5 Installation

Schedules

Drawings

Bid Documents


Section 1 General

1-A Scope

i) Furnish and install all thermal recovery mechanical, electric and control equipmentincluding chiller, cooling tower and integrated thermal control system as described herein.Equipment shall be new, suitable for the use intended and free from defects. All equipmentshall be provided with a manufacturer’s warrantee against manufacturing defects for aperiod of at least 12 months after start-up or 18 months after shipment.

ii) All thermal system equipment shall be controlled from a central CHP control center thatshall provide local display and set point entry, electronic communication interface, datalogging and remote access. The CHP control center shall automatically operate theabsorption chiller, hot water diverting valve(s), load heat exchanger diverting valve(s),condenser water pump, condenser diverting valve(s) and cooling tower fan.

1-B Service Access

i) All equipment must be accessible for routine service and visible for inspection. Providetube pull clearance space for the absorption chiller per the manufacturer’srecommendations.

1-C Exceptions

i) Variances to the specifications should be identified at bid time. If no variances areidentified in the bid it will be assumed that the proposed equipment and scope of supplyfully comply with the specifications herein.

ii) When the equipment manufacturer and model number are specified without an ‘or equal’designation the base bid must include the specified equipment. Alternatives to the specifiedequipment can be proposed as an addendum to the bid with the pricing adjustment clearlyidentified.


Section 2 Mechanical

2-A Absorber

i) Furnish and install one (1) Single-Stage Hot Water Absorption Chiller capable of producingchilled water per the performance shown in the schedules. Chiller shall be capable ofstarting and operating at entering condenser water temperatures as low as 45°F. Chillershall ship as a one-piece assembly charged with nitrogen. Purge pump, chilled water flowswitch, and modulating control valve shall be shipped loose for field installation. All unitmounted controls and control panels shall be factory mounted, wired, tested, and shippedpre-installed as integral components of the chiller.

ii) Chiller shall include 3/4" neoprene insulation of the entire shell.

iii) Chiller shall be York model YIA-HW-1A1. Cost shall include manufacturer start-up serviceand parts and labor warranty for a period of one year from start-up or eighteen months fromdelivery, whichever occurs first.

iv) Materials: The evaporator and condenser pans shall be stainless steel. The hot watergenerator shall be designed for 300 psig DWP tube-side and tested to 450 psig. A shell-sidebursting disk set to burst at 15 psig shall be furnished with hot water units. Generator tubesshall be 3/4", 0.035" wall 90/10 copper-nickel and allow for the removal of the tubes fromeither end of the machine. Evaporator tubes shall be 3/4", 0.028 inch" wall copper.Absorber tubes shall be 3/4", 0.028 inch" wall copper. Condenser tubes shall be copper witha wall thickness of 0.028 inch”. Tubes for the solution heat exchanger shall be 0.043" wallcarbon steel.

v) Water Boxes: Water boxes shall be removable to permit tube cleaning and replacementfrom either end. Stub-out water connections having Victaulic grooves will be provided. Allwater boxes and associated water circuit nozzles and tube bundles will be designed for 150psig working pressure and will be hydrostatically tested to 225 psig. Vent and drainconnections will be provided on each water box.

vi) Vacuum Pump: Absorber shall be equipped with a purge pump which shall be of an oilrotary single-stage design, and shall be furnished complete with a ½ hp, 3-Phase TEFCmotor, and all required accessories. The purge pump shall be shipped mounted on thechiller and connecting hose shall be field installed by installing contractor at the job site.

vii) Solution: Chiller shall ship complete with factory balanced lithium bromide andrefrigerant, pre-charged in the unit. The lithium bromide solution shall contain Advaguard750 corrosion inhibitor and alcohol.


viii) Power/Controls: The absorber shall be furnished complete with a factory mounted andpre-wired control system comprising of two (2) enclosures; a power panel and amicrocomputer control panel. The power panel and control panel enclosures shall beNEMA 1 and shall provide a single point wiring connection for incoming power supply.The power panes shall include non-fused disconnect switch, starters, complete with currentand thermal overload protection, for solution pump, refrigerant pump, and purge pump anda 115 VAC 50/60 Hz power transformer. The control panel shall be equipped with hingedaccess door with lock and key. All temperature sensors, pressure transducers, and othercontrol devices necessary to sense unit operating parameters to be factory mounted andwired to panel. The control center panel shall include a display showing all systemparameters in the English language with numeric data in English units (°F, PSIA). Theoperating program shall be stored in non-volatile memory (EPROM) and programmed setpoints shall be retained in a lithium battery-backed RTC memory for a minimum of 5 years.

ix) Communications Interface: A Modbus RTU interface shall be provided by the chillermanufacturer capable of communicating all data accessible from the keypad to a remoteintegrated DDC processor through a single shielded cable. This information will include allunit temperatures, pressures, safety alarms, and status readouts for complete integratedplant control, data logging, and local/remote display of operator information.

x) Alternate: The base bid shall include the chiller manufacturer as specified. An alternatechiller to the model specified may be offered and must be identified in the bid together withthe deduct or add amount to the base bid.

2-B Cooling Tower

i) Furnish and install one (1) factory-assembled, induced draft, cross-flow cooling tower withvertical air discharge in accordance with the information in the schedules and suitable forthe intended service. The total connected fan horsepower shall not exceed 7 HP. Thecooling tower shall be Baltimore Aircoil Model 15146 or approved equal. The coolingtower shall be warranted by the manufacturer to meet the conditions listed in the schedule.Additionally, the thermal performance shall be certified by the Cooling TechnologyInstitute in accordance with CTI Certification Standard STD-201. The cooling tower shallcomply with the energy efficiency requirements of ASHRAE Standard 90.1.

ii) Construction: All steel panels and structural members shall be constructed of heavy-gaugeG-235 (Z700 metric) galvanized steel with all edges given a protective coating of zinc-richcompound. The cold water basin shall be constructed of heavy-gauge steel panels andstructural members. The basin shall include a depressed section with drain/clean-outconnection and a brass make-up valve with a large diameter plastic float for easyadjustment of operating water level. The cooling tower basin outlet shall be beveled forwelding and grooved for mechanical coupling. The distribution system shall be furnishedwith a single water inlet with pipe stub connection beveled for welding and grooved for


mechanical coupling. The hot water distribution basin shall be open gravity type withcovers, designed to ensure the uniform distribution of water over the wet deck surface.Hinged access doors shall be provided on two sides of the tower for access into plenumsection.

iii) Strainer: The outlet shall be provided with large area lift out strainers with perforatedopenings sized smaller than the water distribution nozzles and an anti-vortexing device toprevent air entrainment. The strainer and vortex device shall be constructed of the samematerials as the cold water basin to prevent dissimilar metal corrosion.

iv) Fan: The cooling tower fan shall be axial flow with aluminum alloy blades selected toprovide optimum cooling tower thermal performance with minimal sound levels. The top ofthe fan cylinder shall be equipped with a conical, non-sagging removable fan guard. Thefan shall be supported by heavy-duty, self-aligning, grease packed ball bearings withmoisture proof seals and integral slinger collars, designed for a minimum L10 life of 40,000hours. The fan shall be driven by a one-piece, multi-groove, solid back V-type power bandwith taper lock sheaves designed for 150% of the motor nameplate horsepower. The powerband shall be constructed of neoprene reinforced polyester cord and be specificallydesigned for cooling tower service. Fan and motor sheave shall be fabricated fromcorrosion-resistant materials to minimize maintenance and ensure maximum drive andpower band operating life. The fan motor shall be totally enclosed air over (TEAO),reversible, squirrel cage, ball bearing type designed specifically for cooling tower service.The motor shall be furnished with special moisture protection on winding, shafts, andbearings. Power to the fan motor shall be provided from the CHP power panel.

v) Wet Deck Surface/Drift Eliminators/Louvers: The wet deck surface and integral drifteliminators shall be formed from self-extinguishing (per UL94 HB and UL94 V-0 testing)polyvinyl chloride (PVC) having a flame spread rating of 5 per ASTM E84 and shall beimpervious to rot, decay, fungus and biological attack. The wet deck surface shall bemanufactured, tested, and rated by the cooling tower manufacturer and shall be elevatedabove the cold water basin to facilitate cleaning. Air inlet louvers shall be separate from thewet deck surface and be removable to provide easy access for inspection of the air/waterinterface at the louver surface. Louvers shall prevent water splash-out during fan cyclingand be constructed of maintenance free, corrosion resistant, UV protected, fiberglassreinforced polyester (FRP).

2-C Diverting Valves

i) Diverting valves shall be furnished with a valve body, actuator, linkage and an actuatormotor. The actuator and motor assemblies are to be sized by the valve manufacturer inaccordance with the specified pressure and flow requirements. The hot water valves shall besuitable for 50% hot water/ethylene glycol service up to 250 F. Valve shall be rated for aminimum of 125 psig working pressure per ANSI Standards and shall be equipped with a125 psig flat-faced ANSI flange connections.


ii) Body: Valves shall be a 3-way diverting type flanged globe valve incorporating a cast ironbody, stainless steel stem, bronze seat and plug, rangeability 30:1 and 32 F to 250 F servicetemperature range. Flow coefficient ratings should be as follows:

(a) For 3” valves the Cv rating should be no less than 90(b) For 6” valves the Cv rating should be no less than 300.

iii) Actuator: The actuator motor assembly shall be capable of modulating hot water flow in alinear fashion from 10% to 100% of maximum design chiller capacity. The actuator motorshall be 24 VAC and include 4-20 mA actuator position feedback. Actuators shall be springreturn and fail safe to full diverting duty. Assembly should be UL listed and NEMA 2classified. Run time from full open to full close should be between 100 and 150 seconds.Quick acting valves are not required for this application.

iv) Alternate: Provide dual butterfly valves, motorized and linked to divert the flow. In thiscase valve Cv’s must be matched to provide no significant system pressure differentialchange through full operation from 10% to 100%. Valves shall meet the abovespecifications.

2-D Condenser Water Pump

i) Furnish and install one (1) centrifugal, single-stage pump capable of meeting theperformance criteria in the attached schedules. Pump shall be rated for 150 psig workingpressure, 250 F temperature and provided with Class 125 flange connections. The pumpand motor shall be serviceable without the need to dismantle the system piping.

ii) Construction: The pump body shall be bronze fitted with class 30 cast iron casing anddynamically balanced bronze impeller. The pump casing shall be drilled and tapped forgauge ports at the suction and discharge flanges as well as for a drain port at the bottom ofthe casing. The impeller shall be bronze and hydraulically balanced. Vent/flush lines withfilters to be provided by manufacturer where required.

iii) Motor: The pump shall be coupled to a NEMA rated motor designed for continuous duty.The motor shall be 480 V, 3 Phase, 60 Hertz open drip proof (ODP) for location in aweather protected area. The motor should be easily removable without the need todismantle the pump body from the piping. Pump motor size should be no greater than 15horsepower.

iv) Vibration Isolation: Base mounted pumps should be provided with vibration isolation fromthe floor and piping.


2-E Heat Exchanger

i) Furnish and install one (1) fluid-to-fluid heat exchanger suitable for 65% hot water/35%ethylene glycol service and as shown in the schedule. The heat exchanger should be ratedfor 150 psig working pressure and 250 F temperature service. Pipe in a counter flowdirection and provide a 20-40 mesh strainer for the load hot water inlet port.

ii) Bracket: Provide a floor mounting bracket specially designed for that purpose andcompatible with the selected model heat exchanger.

2-F Pipe

i) All pressure piping shall be rated for 150 psi, compatible with the intended service andprovided in steel or copper according to size as follows:

(a) 3” and larger: Class 150 standard weight steel ASTM A53/A53M.(b) ½” and smaller: Type L copper, brazed fittings.

ii) All piping shall be identified using flexible vinyl film tape with pressure sensitive adhesivebacking. Tape to be a minimum of 4” wide and letters to be a minimum of 3” high.

2-G Fittings

i) Interconnection fittings may be Victaulic, welded or flanged. Flanges should be used toallow easy removal of chiller water boxes for tube cleaning. Point of contact fittings shallbe 150 lb, flat face flange.

2-H Valves

i) All valves shall be minimum Class 125 for flange connections suitable for 50% water/EGservice at 250 F.

ii) Butterfly: Lug style Class 150, carbon steel body with stainless steel stem and disc. Longlife seat and seals, key drive and ISO actuation mounting.

iii) Check: Class 125, spring actuated, cast iron body with bronze trim and stainless steelspring.

iv) Gate Valves: Under 2” shall be bronze ball valves with stainless steel ball and lever handle.


2-I Insulation

i) All chilled water piping shall be wrapped in 1 ½“ fiberglass with reinforced foil backingand all chilled water fittings shall be covered in PVC covers. Insulation K value shouldequal 0.24. Piping exposed to the outside should be provided with an aluminum jacket.

ii) All hot water and coolant piping shall be wrapped in 1“ fiberglass with reinforced foilbacking and all hot water and coolant fittings shall be covered in PVC covers. Insulation Kvalue should equal 0.24. Piping exposed to the outside should be provided with analuminum jacket.

2-J Enclosure

i) All mechanical equipment excluding the cooling tower shall be protected from the weatherby means of a permanent weatherproof enclosure. The enclosure shall be sized to provideaccess to all serviceable components. A skeletal frame and removable panels can be usedfor access as long as they are easily removable by 1 person and are designed to preventwater leakage. In this case lockable doors must be provided for easy access to theabsorption chiller control panel, power panes, vacuum pump and valves as well as solutionsampling valves.

ii) Louvers: Adequate air flow to the enclosure should be allowed through the use ofaluminum louvers with wire mesh screen. Louvers should be placed so as to induce air flowaround the control panels and throughout the enclosure.

iii) Exhaust Fan: A 120V fan shall be provided to prevent the build-up of excess temperaturewithin the enclosure and control panels. The fan shall be mounted in a weatherproof boxwith slotted mounting holes and automatic shutters suitable for wall mounting.

iv) Thermostat: An automatic industrial grade thermostat shall be provided for location withinthe enclosure to automatically activate the fan.

2-K Accessories

i) Expansion Tank: Furnish and install one (1) expansion tank for hot water/ethylene glycolservice at 250 F maximum.

ii) Flow Switches: Furnish and install a single pole, double throw snap switch in each of thechilled water and condenser water loops. Brass with sealed tube construction, 120 V AC.


iii) Strainer: Strainers shall be provided at the inlet of the condenser water pump and at theload hot water inlet of the load heat exchanger as follows:

(a) Condenser Pump Inlet: Basket type with removable basket.(b) HW HEX inlet: Y-type.

iv) Pressure Indicators: ASME B40.1 compliant with minimum 4” dial face. Calibrated in PSIwith gauge accuracy 1% in the middle of the scale.

v) Temperature Sensors: RTD type, well mounted with transmitter, 4-20 mA output and anaccuracy of 2% at the set point temperature. Hot water sensors shall be rated for 250 Foperation and calibrated for the service intended.

vi) Temperature Gauges: ASTM E1 compliant with minimum 8” readable scale and anadjustable neck. Calibrated in degrees Fahrenheit (F) with an accuracy of 2% in the middleof the scale.

vii) Test Ports: Brass fitting with cap for standard 1/8” probe. Locate in an accessible area andadjacent to temperature sensors and pressure gauges.


Section 3 Electrical

3-A CHP Power Panel

i) The CHP power panel shall provide a single point wiring connection for the thermal systemincoming power supply. Panel shall be rated for 480V and all components shall be ULlisted and suitable for the intended service.

ii) The power panel shall include a single non-fused disconnect switch and 480V to 110Vtransformer.

iii) 480V feeds shall be provided with overload protection for the chiller, condenser waterpump, and cooling tower. 110V feeds shall be provided for the CHP control panel andservice outlet. The enclosure shall be NEMA 3R and be wall or bracket mounting.

iv) See Schedule B for minimum circuit ampacity.

3-B Starters

i) Provide motor starters for the condenser water pump and cooling tower fan. 480V line with24V signal. Starters should be UL listed and sized for the application.

3-C Disconnects

i) Fused H-O-A switches shall be provided for the cooling tower fan and condenser waterpump. Switch shall be 3-pole UL listed with a NEMA 3R enclosure. Fused disconnectsshould have a type J fuse and be rated as follows:

(a) Cooling Tower Fan Disconnect Switch rating = 30 Amps(b) Condenser Water Pump Disconnect Switch rating = 60 Amps

ii) A non-fused disconnect with enclosure rated for 30 Amps shall be provided for the absorberpower panel feed.


3-D Transformer

i) UL listed with UL-3R enclosure with UL class 180 0C insulation and 85 0C rise.Conforming to NEMA standards for the application.

3-E Accessories

i) Service Outlet: Provide a dual wall mountable 110V power outlet for service tools.

ii) Lighting: Provide adequate lighting within the enclosure to allow inspection of allequipment, dials and gauges.


Section 4 Controls

4-A General

i) All thermal system equipment shall be controlled from a central PLC based control centerthat shall interface between the chiller control panel, pump, tower, valves and the buildingmanagement system. The controller shall provide local display and set point entry, ModbusRTU communications protocol, 2-wire communications interface, data logging and remotetelephone access. The CHP control center shall automatically operate the absorption chiller,hot water diverting valve, load heat exchanger diverting valve(s), condenser water pump,condenser diverting valve(s) and cooling tower. The control system shall accept input fromthe absorber control panel and the building automation system and automatically sequencethe start-up and shutdown of the thermal equipment. See Schedule C for a list of requiredcontrol points.

4-B CHP Control Center

i) The control center shall include a programmable logic controller (PLC) with matchingdisplay screen and numeric keypad with scroll key. The PLC module shall contain a dial-upmodem and a real time memory chip capable of holding at least the last 3 days set pointsand sensor readings at 3 minute intervals.

ii) The control center panel shall be NEMA 3R and be equipped with hinged access door withlock and key. The control center panel shall include a display screen showing all systemparameters in the English language with data presented in English units (°F, PSIA). Theoperating program shall be stored in non-volatile memory (EPROM) to eliminate systemfailure due to AC power failure.

iii) The control center shall include a power transformer to supply 24V AC control voltage tothe various control components. Terminal blocks shall be provided for all sensors, valves,starters and external safety and control interlocks. An alarm horn and indicator light shallbe provided to alert the operator to system fault conditions.

4-C Operating Program

i) Provide control programming for the PLC to operate all thermal equipment describedherein in a safe and efficient manor. Software shall be a commonly available open accessprogramming language designed for the intended purpose.


4-D System Operating Information

i During normal operation the following operating parameters shall be displayed on the CHPcontrol panel screen:

(a) Chilled Water In(b) Chilled Water Out(c) Coolant Temperature In(d) Coolant Temperature Out(e) Absorber Control Valve Position(f) Load Hot Water Temperature In(g) Load Hot Water Temperature Out(h) Condenser Temperature In(i) Condenser Water Flow Status(j) Chilled Water Flow Temperature(k) Operating Mode(l) Operating Status(m)Fault Status

4-E Capacity Flow Control

i) The control panel shall automatically control the input coolant flow rate to the chiller andload heat exchanger. The system shall operate in chilling priority and modulate coolantflow proportional to chilling load. The system shall automatically maintain the heating loadset point outlet temperature by adjusting the load heat exchanger diverting valve. Thecontrol system shall also maintain the programmed leaving coolant temperature set point byoverriding heating load requirements and automatically by-passing the heat exchangerwhen coolant temperature drops below the set point.

4-F Automatic Safety Shutdowns

i) The CHP control center shall automatically shut down the thermal system and provideannunciation locally and through the communications interface in the following events. Inthese events the fault has to be manually cleared before restart can occur.

(a) Loss of Ch W flow(b) Loss of Cd W flow(c) Chiller Fault


4-G Automatic Temporary Shutdowns

i) The CHP control center shall automatically shut down the thermal system and provideannunciation locally and through the communications interface in the following events. Inthese events the system will restart automatically when the fault is resolved.

(a) Loss of electric power(b) Coolant Temperature under set point for greater than 30 minutes

4-H Control Set Points

i) Control set points are adjustable temperature targets set at commissioning to fine tuneoperation. Set point values are locally entered through the controller keypad and are notadjustable through the Modbus Link. The following set points should be adjustable throughan integrated screen and keypad:

(a) CT Fan On Temperature(b) CT Fan Off Temperature(c) System Start Temperature(d) System Stop Temperature(e) Load Hot Water Temperature(f) Chiller Set Point Temperature(g) Condenser Water Set Point Temperature(h) Cooling Tower Bypass Temperature(i) Coolant Return Temperature

4-I Display

i) The control panel display shall display following temperatures and readouts. The operationset points are to be adjusted through this panel and keypad.

(a) ICHM Mode Status (Code)(b) Inlet Coolant Temp Reading (F)(c) Coolant Temp Reading (F)(d) Coolant Return Temp Reading (F)(e) Coolant Valve Position Percentage Readout(f) Chilled Water Inlet Temp Reading (F)(g) Chilled Water Outlet Temp Reading (F)(h) Heating Water Inlet Temp Reading (F)(i) Heating Water Outlet Temp Reading (F)(j) Condenser Water Inlet Temp Reading (F)(k) Condenser Water Outlet Temp Reading (F)(l) Adjustable Set Points


4-J Communications

i) A 2-wire, Modbus connection shall be provided from the thermal system controller to thebuilding automation system. Information to be exchanged by the ICHM panel and the BASor Generator Controller:

(a) Commands from BAS:1. Cooling On/Off2. Heating On/Off3. Emergency Shut Down On/Off

(b) Commands to BAS:1. Mode Status Message2. Chilled Water Pump On/Off3. Chiller Fault On/Off

(c) Information to BAS:1. Inlet Coolant Temp Reading (F)2. Outlet Coolant Temp Reading (F)3. V1 Coolant Valve Position4. Stage 1 Outlet Temp Reading (F)5. Chilled Water Outlet Temp Reading (F)6. Chilled Water Inlet Temp Reading (F)7. Heating Water Inlet Temp Reading (F)8. Heating Water Outlet Temp Reading (F)9. Condenser Water Inlet Temp Reading (F)10. Chilled Water Flow On/Off11. Condenser Water Flow On/Off


Section 5 Installation

5-A General

i) Equipment Delivery and Handling: All equipment should be rigged from the rigging pointsonly. Equipment should be protected from the weather at all times and maintained between35 F and 100 F.

ii) All equipment shall be installed according to manufacturer’s instructions and local safetyand building codes. Equipment shall be placed on a concrete pad, bolted to the floor andprotected from the weather.

iii) Pumps, pipe, valves and fittings shall be supported and braced independently of theequipment to which it is connected. The equipment is not to be used for pipe support.

iv) Insulation: All chilled and hot water supply and return piping shall be insulated inaccordance with paragraph 2-I of this specification.

v) Painting: Equipment should be supplied with touch-up paint. Touch up all areas of exposedmetal after construction has been completed. Clean and paint all exposed pressure pipingwith approved industrial grade paint. Each piping loop should be assigned unique colors asfollows:

(a) Chilled Water = Blue(b) Coolant Loop = Yellow(c) Condenser Loop = Green(d) Load Hot Water Loop = Red

vi) Markers: Apply vinyl flexible tape identification to pipe runs identifying fluid anddirection of flow. Provide stamped metal tags indicating valve number on 3-way valves.

vii) Drains: Provide 1” drain lines with shut-off from each water box and plumb the absorptionrupture disc to the floor drain. Drains should lead to a central drain location that can bepiped to the nearest sewer.

viii) Flow switches require adequate straight pipe runs and should be located at lease five (5)pipe diameters from upstream and downstream objects.


ix) Cooling Tower Disconnect: Provide local electric disconnect for tower fan motor close tothe cooling tower.

x) Valves: Valves shall be mounted in a weather protected area in accordance withmanufacturer’s recommendations. Automatic valve stems should be inclined towardsvertical and not below horizontal. Do not reverse flow direction from that printed on thevalve. Assembly must be accessible for routine service and visible for inspection.

xi) Seismic Requirement: All systems and piping are to be fixed or braced to meet SeismicZone 4 requirements.


Schedule A Performance Schedule

Coolant WaterEntering Temp (F) 217.4Leaving Temp (F) 192.2Flow Rate (GPM) 115.0

Fluid Type Concentration 35% E.G.Pressure Drop (ft. H2O) 40.0Rated Heat Input (MBH) 1,370

Fouling Factor (hr ft2 F/BTU) 0.00010

Chilled WaterCapacity (Tons) 74.0

Leaving Temp (F) 44.0Entering Temp (F) 54.0Flow Rate (GPM) 177.3

Pressure Drop (ft. H2O) 30.0Fluid Type Concentration 100% H2O


Load Hot WaterCapacity (MBH) 1300

Leaving Temp (F) 180.0Entering Temp (F) 160.0Flow Rate (GPM) 129.8



Condenser WaterEntering Temp (F) 85.0Leaving Temp (F) 93.8Flow Rate (GPM) 500.0


Heat Rejected (MBH) 2,200Fouling Factor (hr ft2 F/BTU) 0.00025

Thermal System Performance


Schedule B Electrical Schedule

Note: The Absorber panel includes a 110V transformer for the Vacuum Pump and Flow Switch feeds.

ICHM Equipment ElectricSchedule

Volts Ph Hz HPMin CircuitAmpacity

Absorber 480 3 60 10.5 18

Condenser Water Pump 480 3 60 15 35

Cooling Tower 480 3 60 5 12


Schedule C Thermal System Control Points

Absorption Start DigitalAbsorption Stop DigitalAlarm Lamp/Horn DigitalChilled W ater Flow DigitalChilled W ater Inlet Temp AnalogChilled W ater Outlet Temp AnalogCondenser Flow DigitalCondenser Pump Run DigitalCondenser Valve Position AnalogCondenser W ater Inlet Temp AnalogCondenser W ater Outlet Temp AnalogCoolant Inlet Temp AnalogCoolant Outlet Temp AnalogCoolant Valve Feedback AnalogCoolant Valve Position AnalogCooling Mode On/Off DigitalCT Fan Acknowledge DigitalCT Fan Run DigitalDilution Signal DigitalFault Signal DigitalHeating Mode On/Off DigitalHEX Inlet Temp AnalogHEX Outlet Temp AnalogHW Inlet Temp AnalogHW Outlet Temp AnalogLoad HX Valve Position Analog

CONTROL POINTS


Schedule D Major Equipment Schedule

Manfacturer Model Nom Rating Volts Phase Cycle HP Oper Wt Lg Wd HtYork YIA-HW-1A1-46 100 TR 480 3 60 8 11,000 lbs 150 66 92

Absorption Chiller

Manufacturer Model Capacity Volts Phase Cycle HP Oper Wt Lg Wd HtBAC or Equal 15146 2,300 MBH 480 3 60 5 7,000 lbs 142 102 123

Cooling Tower

Manufacturer Equipment Design Flow TDH Volts Phase Cycle HPTACOor Equal CdWater Pump 500GPM 55Ft H2O 480 3 60 15Welshor Equal VacuumPump - - 480 3 60 0.5

Min Eff65%

-

Pumps

Temp In Temp Out Max Δ-PoF oF psi

Side A 115 GPM 35% EG 217.4 192.2 3Side B 137.4 GPM H2O 160 180 5

Temp In Temp Out Max Δ-PoF oF psi

Side A 115 GPM 35% EG 217.4 192.2 3Side B 500 GPM H2O 95 100 3

Dump HEX Design Flow Media

Load HEX Design Flow Media

Heat Exchangers


CONDENSERWATERPUMP

85°F, 8"Ø

500

GPM

,6"Ø

500 GPM

BYPASS LOOP

Cooling Tower

CONDENSERWATERLOOP

Customer Supply

LOADHOTWATEREXCHANGER

FRESHWATERSUPPLY

CHEMICALTREATMENT

DRAIN

EXHAUST FAN

THERMOSTAT

VACUUM PUMP

POWERPANEL

THERMAL SYSTEMCONTROL PANEL

EXPANSIONTANK

TO DRAIN

ABSORBER

CO

NT

RO

LPA

NE

L

RUPTUREDISC

115 GPM

217°F, 3"Ø

Enclosure

POC

POC

DUMP HEATEXCHANGER

115 GPM

3"Ø

POC POCDRAIN

CHILLEDWATERLOOP188 GPM4"Ø

HOTWATERLOOP

130 GPM3"Ø

500 GPM, 6"Ø

ENGINE COOLANT LOOP35% EG , HOT WATER

POC

POC

DUMPLOOP

M1 – Mechanical P&ID 1


CONDENSERWATERPUMP

BYPASS LOOP CONDENSERWATERLOOP


EXHAUST FAN

THERMOSTAT

VACUUM PUMP

POWERPANEL

THERMAL SYSTEMCONTROL PANEL

EXPANSIONTANK

TO DRAIN

ABSORBER

CO

NT

RO

LP

AN

EL

RUPTUREDISC

115 GPM

217°F, 3"Ø

Enclosure

DUMP HEATEXCHANGER

115 GPM

3"Ø

POC POCDRAIN

CHILLEDWATERLOOP188 GPM4"Ø

HOTWATERLOOP

130 GPM3"Ø

500 GPM, 6"Ø

ENGINE COOLANT LOOP35% EG , HOT WATER

POC

POC

DUMPLOOP

M2 – Mechanical P&ID 2


E1 – Electric P&ID

VACUUM PUMP

CONDENSERWATERPUMP

CHILLEDWATERLOOP

HOTWATERLOOP


COOLING TOWER FAN

THERMAL SYSTEMCONTROLLER

ABSORBER

DC

STST

DC

480V

110V

110V

480V

DC

POWERPANEL

HOTWATERLOOP


24V A/C

ENGINECOOLANTLOOP

DC

480V/3PH/60HzPOWER SUPPLYFROM BUILDING

110V

110V

110V

24V A/C

Note 1


Proposal Form – R3-BO

Contractor Name: _____________________________________________

Address: _______________________________________________________________________________________________________________________________________

Telephone: _____________________Fax: _____________________

Contact Person: _____________________________________________Telephone/Extn: _____________________________________________E-mail Address: _____________________________________________

Base BidTotal Equipment $Total Labor $Total Bid Amount $

Alternate Deduct Amount1 $

Note 1: See section 1-C for allowable alternate equipment.

I hereby certify that the above total bid amount includes all equipment and labor required forinstallation of the specified equipment per the bid documents herein.

Signature: ______________________

Print Name: ______________________

Title: ______________________

Date: ______________________