Specifications
The information communicated between the BAS and the factory mounted unit controllers shall include
the reading and writing of data to allow unit monitoring, control and alarm notification as specified in the
unit sequence of operation and the unit points list.
For chillers communicating over a L
ONMARK network, the corresponding LONMARK eXternal Interface
File (XIF) shall be provided with the chiller submittal data.
All communication from the chiller unit controller as specified in the points list shall be via standard
BACnet objects. Proprietary BACnet objects shall not be allowed. BACnet communications shall
conform to the BACnet protocol (ANSI/ASHRAE135-2001). A BACnet Protocol Implementation
Conformance Statement (PICS) shall be provided along with the unit submittal.
2.5. OPTIONAL ITEMS
The following optional items shall be furnished:
1. Marine water boxes
2. Flanges (Victaulic® connections are standard)
3. 0.028 or 0.035 in. tube wall thickness
4. Stainless steel or titanium tube material
5. Stainless steel or titanium clad tube sheets with epoxy-coated heads
6. Water side vessel construction of 300 psi (150 psi is standard)
7. Single insulation, 3/4 inch, on evaporator (including heads), suction piping, and motor end-bell
8. Double insulation, 1 ½ inch, on evaporator (including heads), suction piping, and motor end-bell
9. BAS interface module for the applicable protocol being used (limited to BACnet®, Modbus® or
LonTalk®).
10. Export packaging
11. Shipping bag
12. Pumpout Unit, with or without storage vessel
13. Refrigerant monitor
14. Extended warranties
15. Witness performance test
16. Single Point Power Connection
PART 3 — EXECUTION
3.1 INSTALLATION
A. Install per manufacturer’s requirements, shop drawings, and Contract Documents.
B. Adjust chiller alignment on foundations, or subbases as called for on drawings.
C. Arrange piping to allow for dismantling to permit head removal and tube cleaning.
D. Coordinate electrical installation with electrical contractor.
E. Coordinate controls with control contractor.
F. Provide all material required for a fully operational and functional chiller.
3.2 START-UP
A. Units shall be factory charged with the proper refrigerant.
54 Catalog WMC-4