General Information
Literature change
Applicable to CDHF, CDHG
About this manual
Operation and maintenance information for models CDHF, CDHG are covered in this manual. This includes both 50 and 60 Hz. CDHF and CDHG centrifugal chillers equipped with the Tracer CH530 Chiller Controller system. Please note that information pertains to all three chiller types unless differences exist in which case the sections are broken down by Chiller type as applicable and discussed separately.
By carefully reviewing this information and following the instructions given, the owner or operator can successfully operate and maintain a CDHF, or CDHG unit.
If mechanical problems do occur, however, contact a qualified service organization to ensure proper diagnosis and repair of the unit.
Unit Nameplate
The unit nameplate is located on the left side of the unit control panel.
The following information is provided on the unit nameplate.
1. Serial Number
The unit serial number provides the specific chiller identity. Always provide this serial number when calling for service or during parts identification..
2. Service Model Number
The service model represents the unit as built for service purposes . It identifies the selections of variable unit features required when ordering replacements parts or requesting service.
Note:
3. Product Coding Block
The CDHF and CDHG models are defined and built using the product definition and selection (PDS) system. This system describes the product offerings in terms of a product coding block which is made up of feature categories and feature codes. An example of a typical product code block is given on this page. The coding block precisely identifies all characteristics of a unit.
4.Identifies unit electrical requirements
5.Correct operating charges and type of refrigerant
6.Unit Test Pressures and Maximum Operating Pressures
7.Identifies unit Installation and Operation and Maintenance manuals
8.Drawing numbers for Unit Wiring Diagrams
Typical Product Description Block
MODL CDHF | DSEQ 2R | NTON 2500 | VOLT 575 | REF 123 |
HRTZ 60 | TYPE SNGL | CPKW 142 | CPIM 222 | TEST AIR |
EVTM IECU | EVTH 28 | EVSZ 032S | EVBS 280 |
|
EVWC STD | EVWP 2 | EVWT NMAR | EVPR 150 |
|
EVCO VICT | EVWA LELE | CDTM IECU | CDTH 28 |
|
CDSZ 032S | CDBS 250 | CDWC STD | CDWP 2 |
|
CDWT NMAR | CDPR 150 | CDCO VICT | CDWA LELE |
|
CDTY STD | TSTY STD | ECTY WEOR | ORSZ 230 |
|
PURG PURE | WCNM SNMP | SPKG DOM | OPTI CPDW |
|
HHOP NO | GENR NO | GNSL NO | SOPT SPSH |
|
ACCY ISLS | HGBP WO | LUBE SNGL | AGLT CUL |
|
CNIF UCP | SRTY USTR | SRRL 207 | PNCO TERM |
|
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