36C24719R0039-0002002.pdf

1. Amendment to Specification 23 64 00 - Paragraph 2.1 - Centrifugal Water- Cooler Water Chillers

ADDING:

Section 2.1.F Evaporator shall have Epoxy Coated Tube Sheets, Compact Water Boxes, rated for 150 psig water-side pressure, Evaporator Anodes, Victaulic Connection, Hot gas bypass to 10%, Factory Thermal Insulation for Evaporator 3/4" inches, Flow Sensors, factory mounted and wired.

Section 2.1.G Condenser shall have Epoxy coated tube sheets, Compact Water Boxes, rated for 150 psig water-side pressure, Condenser Anodes, Victaulic Connection, Flow Sensors, factory mounted and wired.

Section 2.1.H Unit Warranty shall be for 66 Months (5 Year) to include Entire Unit Parts and Labor & Refrigerant (from date of shipment). Unit shall include a smart equipment board/BACnet interface card, Quick Start w/UPS, meet Buy America Act, produce a leaving fluid temperature of 42F and operate down to 36F entering condenser water temperature.

Section 2.1.I Unit performance shall meet the following:

Partload Data (Full Load with IPLV?NPLV per Std. Condition Set) %Load Net

Capacity (Tons)

% Power Input Power (kW)

EEFT (F) ELFT (F) CEFT (F) CLFT (F) kW/Ton.R

100 1000 100 581.6 54 42 85 94.3 0.5816 75 750 53 308 51 42 75 81.67 0.4106 50 500 24 139.4 48 42 65 69.29 0.2787 25 250 13 72.55 45 42 65 67.16 0.2902

Partload Data – Efficacies in kW/Ton

Ent.

Cond.

Water Temp

% Load 100% 90% 80% 70% 60% 50% 40% 30% 20% 10%

36°F 0.2478 0.2203 0.1975 0.1717 0.1420 0.1053 0.1111 0.1211 0.1870 0.3107

2. Drawing sheet M501 in the table labeled “Water Chiller Schedule” under column LWT should be 42 rather than 44.

Drawing sheet M701, all references to 44F water should be changed to 42F.

3. Amendment to Specification 01 00 00 – Paragraph 1.20 – Photographic Documentation: DELETE ENTIRELY