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88
CG-SVX17D-EN
Installation - Electrical
CWS is the active chilled water set point before any reset has occurred, e.g. normally Front Panel,
Tracer, or ECWS
RESET RATIO is a user adjustable gain
START RESET is a user adjustable reference
TOD is the outdoor temperature
TWE is entering evap. water temperature
TWL is leaving evap. water temperature
MAXIMUM RESET is a user adjustable limit providing the maximum amount of reset. For all types
of reset, CWS' - CWS < or = Maximum Reset.
In addition to Return and Outdoor Reset, the MP provides a menu item for the operator to select
a Constant Return Reset. Constant Return Reset will reset the leaving water temperature set point
so as to provide a constant entering water temperature. The Constant Return Reset equation is the
same as the Return Reset equation except on selection of Constant Return Reset, the MP will
automatically set Ratio, Start Reset, and Maximum Reset to the following.
RATIO = 100%
START RESET = Design Delta Temp.
MAXIMUM RESET = Design Delta Temp.
The equation for Constant Return is then as follows:
CWS' = CWS + 100% (Design Delta Temp. - (TWE - TWL))
and CWS' > or = CWS
and CWS' - CWS < or = Maximum Reset
When any type of CWR is enabled, the MP will step the Active CWS toward the desired CWS' (based
on the above equations and setup parameters) at a rate of 1 degree F every 5 minutes until the
Active CWS equals the desired CWS'. This applies when the chiller is running.
When the chiller is not running the CWS is reset immediately (within one minute) for Return Reset
and at a rate of 1 degree F every 5 minutes for Outdoor Reset. The chiller will start at the Differential
to Start value above a fully reset CWS or CWS' for both Return and Outdoor Reset.
Percent Capacity Output Option
CH530 provides an optional percent capacity output for those customers without a communicating
BAS interface. The active unit capacity (AUC) is provided through a 2-10 VDC analog ouput at 1A25
terminals J2-4 and J2-6 (GND). The active unit capacity value (in %) can be derived from the 2-10
VDC output voltage (OV) using the following calculation:
AUC = 100*(OV - 2.0V)/(10.0V - 2.0V)
Note:
The percent capacity output is based on the number and size of compressors energized, and
is not adjusted for operating conditions. This value cannot be used as an accurate measure
of total unit current, power or cooling capacity.
Reset Type
Reset Ratio
Range
Start Reset
Range
Maximum Reset
Range
Increment
English Units
Increment
SI Units
Factory Default
Value
Return:
10 to 120%
4 to 30 F
0 to 20 F
1%
1%
50%
(2.2 to 16.7 C)
(0.0 to 11.1 C)
Outdoor
80 to -80%
50 to 130 F
0 to 20 F
1%
1%
10%
(10 to 54.4 C)
(0.0 to 11.1 C)
Содержание CGAM
Страница 44: ...44 CG SVX17D EN Installation Mechanical Figure 39 CGAM W 80 120 Ton Rigging X Z Y ...
Страница 101: ...CG SVX17D EN 101 CGAM Operating Principles Figure 76 Pressure Enthalpy Curve Pressure Enthalpy Liquid Gas 1 2 3 4 5 ...
Страница 104: ...104 CG SVX17D EN CGAM Operating Principles Figure 79 10 15 Ton Compressor Internal Components ...
Страница 105: ...CG SVX17D EN 105 CGAM Operating Principles Figure 80 15 30 Ton Compressor Internal Components ...
Страница 135: ...CG SVX17D EN 135 Controls Interface Figure 87 Diagnostic View ...
Страница 149: ...CG SVX17D EN 149 Unit Start Up Procedures Figure 95 Power Up to Starting ...
Страница 185: ...CG SVX17D EN 185 Unit Wiring S2075 1 20 35 Ton Slant Frame Table of Contents ...
Страница 186: ...186 CG SVX17D EN Unit Wiring S2075 2 20 35 Ton Slant Frame Legend ...
Страница 187: ...CG SVX17D EN 187 Unit Wiring 20 35 Ton Slant Frame Legend ...
Страница 188: ...188 CG SVX17D EN Unit Wiring S2075 3 20 35 Ton Slant Frame Notes ...
Страница 189: ...CG SVX17D EN 189 Unit Wiring 20 35 Ton Slant Frame Notes ...
Страница 190: ...190 CG SVX17D EN Unit Wiring S2075 4 20 35 Ton Slant Frame Compressor Power Circuit 1 ...
Страница 191: ...CG SVX17D EN 191 Unit Wiring 20 35 Ton Slant Frame Compressor Power Circuit 1 ...
Страница 192: ...192 CG SVX17D EN Unit Wiring S2075 6 20 35 Ton Slant Frame Fan Power Circuit 1 ...
Страница 193: ...CG SVX17D EN 193 Unit Wiring 20 35 Ton Slant Frame Fan Power Circuit 1 ...
Страница 194: ...194 CG SVX17D EN Unit Wiring S2075 8 20 35 Ton Slant Frame Pump Power Control ...
Страница 195: ...CG SVX17D EN 195 Unit Wiring 20 35 Ton Slant Frame Pump Power Control ...
Страница 196: ...196 CG SVX17D EN Unit Wiring S2075 9 20 35 Ton Slant Frame Compressor Control ...
Страница 197: ...CG SVX17D EN 197 Unit Wiring 20 35 Ton Slant Frame Compressor Control ...
Страница 198: ...198 CG SVX17D EN Unit Wiring S2075 10 20 35 Ton Slant Frame Fan Control 2 3 Fan Units ...
Страница 199: ...CG SVX17D EN 199 Unit Wiring 20 35 Ton Slant Frame Fan Control 2 3 Fan Units ...
Страница 200: ...200 CG SVX17D EN Unit Wiring S2075 12 20 35 Ton Slant Frame Common Control ...
Страница 201: ...CG SVX17D EN 201 Unit Wiring 20 35 Ton Slant Frame Common Control ...
Страница 202: ...202 CG SVX17D EN Unit Wiring S2075 13 20 35 Ton Slant Frame Common Control ...
Страница 203: ...CG SVX17D EN 203 Unit Wiring 20 35 Ton Slant Frame Common Control ...
Страница 204: ...204 CG SVX17D EN Unit Wiring S2075 14 20 35 Ton Slant Frame Freeze Protection ...
Страница 205: ...CG SVX17D EN 205 Unit Wiring 20 35 Ton Slant Frame Freeze Protection ...
Страница 206: ...206 CG SVX17D EN Unit Wiring V2075 1 40 70 Ton V Frame Table of Contents ...
Страница 207: ...CG SVX17D EN 207 Unit Wiring 40 70 Ton V Frame Table of Contents ...
Страница 208: ...208 CG SVX17D EN Unit Wiring V2075 2 40 70 Ton V Frame Legend ...
Страница 209: ...CG SVX17D EN 209 Unit Wiring 40 70 Ton V Frame Legend ...
Страница 210: ...210 CG SVX17D EN Unit Wiring V2075 3 40 70 Ton V Frame Notes ...
Страница 211: ...CG SVX17D EN 211 Unit Wiring 40 70 Ton V Frame Notes ...
Страница 212: ...212 CG SVX17D EN Unit Wiring V2075 4 40 70 Ton V Frame Compressor Power Circuit 1 ...
Страница 213: ...CG SVX17D EN 213 Unit Wiring 40 70 Ton V Frame Compressor Power Circuit 1 ...
Страница 214: ...214 CG SVX17D EN Unit Wiring V2075 5 40 70 Ton V Frame Compressor Power Circuit 2 ...
Страница 215: ...CG SVX17D EN 215 Unit Wiring 40 70 Ton V Frame Compressor Power Circuit 2 ...
Страница 216: ...216 CG SVX17D EN Unit Wiring V2075 6 40 70 Ton V Frame Fan Power Circuit 1 ...
Страница 217: ...CG SVX17D EN 217 Unit Wiring 40 70 Ton V Frame Fan Power Circuit 1 ...
Страница 218: ...218 CG SVX17D EN Unit Wiring V2075 7 40 70 Ton V Frame Fan Power Circuit 2 ...
Страница 219: ...CG SVX17D EN 219 Unit Wiring 40 70 Ton V Frame Fan Power Circuit 2 ...
Страница 220: ...220 CG SVX17D EN Unit Wiring V2075 8 40 70 Ton V Frame Pump Power Control ...
Страница 221: ...CG SVX17D EN 221 Unit Wiring 40 70 Ton V Frame Pump Power Control ...
Страница 222: ...222 CG SVX17D EN Unit Wiring V2075 9 40 70 Ton V Frame Compressor Control ...
Страница 223: ...CG SVX17D EN 223 Unit Wiring 40 70 Ton V Frame Compressor Control ...
Страница 224: ...224 CG SVX17D EN Unit Wiring V2075 10 40 70 Ton V Frame Fan Control 2 3 Fan Units ...
Страница 225: ...CG SVX17D EN 225 Unit Wiring 40 70 Ton V Frame Fan Control 2 3 Fan Units ...
Страница 226: ...226 CG SVX17D EN Unit Wiring V2075 12 40 70 Ton V Frame Common Control ...
Страница 227: ...CG SVX17D EN 227 Unit Wiring 40 70 Ton V Frame Common Control ...
Страница 228: ...228 CG SVX17D EN Unit Wiring V2075 13 40 70 Ton V Frame Common Control ...
Страница 229: ...CG SVX17D EN 229 Unit Wiring 40 70 Ton V Frame Common Control ...
Страница 230: ...230 CG SVX17D EN Unit Wiring V2075 14 40 70 Ton V Frame Freeze Protection ...
Страница 231: ...CG SVX17D EN 231 Unit Wiring 40 70 Ton V Frame Freeze Protection ...
Страница 232: ...232 CG SVX17D EN Unit Wiring W2075 1 80 130 Ton W Frame Table of Contents ...
Страница 233: ...CG SVX17D EN 233 Unit Wiring 80 130 Ton W Frame Table of Contents ...
Страница 234: ...234 CG SVX17D EN Unit Wiring W2075 2 80 130 Ton W Frame Legend ...
Страница 235: ...CG SVX17D EN 235 Unit Wiring 80 130 Ton W Frame Legend ...
Страница 236: ...236 CG SVX17D EN Unit Wiring W2075 3 80 130 Ton W Frame Notes ...
Страница 237: ...CG SVX17D EN 237 Unit Wiring 80 130 Ton W Frame Notes ...
Страница 238: ...238 CG SVX17D EN Unit Wiring W2075 4 80 130 Ton W Frame Compressor Power Circuit 1 ...
Страница 239: ...CG SVX17D EN 239 Unit Wiring 80 130 Ton W Frame Compressor Power Circuit 1 ...
Страница 240: ...240 CG SVX17D EN Unit Wiring W2075 5 80 130 Ton W Frame Compressor Power Circuit 2 ...
Страница 241: ...CG SVX17D EN 241 Unit Wiring 80 130 Ton W Frame Compressor Power Circuit 2 ...
Страница 242: ...242 CG SVX17D EN Unit Wiring W2075 6 80 130 Ton W Frame Fan Power Circuit 1 ...
Страница 243: ...CG SVX17D EN 243 Unit Wiring 80 130 Ton W Frame Fan Power Circuit 1 ...
Страница 244: ...244 CG SVX17D EN Unit Wiring W2075 7 80 130 Ton W Frame Fan Power Circuit 2 ...
Страница 245: ...CG SVX17D EN 245 Unit Wiring 80 130 Ton W Frame Fan Power Circuit 2 ...
Страница 246: ...246 CG SVX17D EN Unit Wiring W2075 8 80 130 Ton W Frame Pump Power Control ...
Страница 247: ...CG SVX17D EN 247 Unit Wiring 80 130 Ton W Frame Pump Power Control ...
Страница 248: ...248 CG SVX17D EN Unit Wiring W2075 9 80 130 Ton W Frame Compressor Control ...
Страница 249: ...CG SVX17D EN 249 Unit Wiring 80 130 Ton W Frame Compressor Control ...
Страница 250: ...250 CG SVX17D EN Unit Wiring W2075 10 80 130 Ton W Frame Fan Control 2 3 Fan Units ...
Страница 251: ...CG SVX17D EN 251 Unit Wiring 80 130 Ton W Frame Fan Control 2 3 Fan Units ...
Страница 252: ...252 CG SVX17D EN Unit Wiring W2075 11 80 130 Ton W Frame Fan Control 4 5 Fan Units ...
Страница 253: ...CG SVX17D EN 253 Unit Wiring 80 130 Ton W Frame Fan Control 4 5 Fan Units ...
Страница 254: ...254 CG SVX17D EN Unit Wiring W2075 12 80 130 Ton W Frame Common Control ...
Страница 255: ...CG SVX17D EN 255 Unit Wiring 80 130 Ton W Frame Common Control ...
Страница 256: ...256 CG SVX17D EN Unit Wiring W2075 13 80 130 Ton W Frame Common Control ...
Страница 257: ...CG SVX17D EN 257 Unit Wiring 80 130 Ton W Frame Freeze Protection ...
Страница 258: ...258 CG SVX17D EN Unit Wiring W2075 14 80 130 Ton W Frame Freeze Protection ...
Страница 259: ...CG SVX17D EN 259 Unit Wiring 80 130 Ton W Frame Common Control ...
Страница 260: ...260 CG SVX17D EN Unit Wiring 2076 1 Field Wiring Diagram ...
Страница 261: ...CG SVX17D EN 261 Unit Wiring C TRANE Field Wiring Diagram ...
Страница 262: ...262 CG SVX17D EN Unit Wiring 2076 2 FUSE Field Wiring Diagram Notes ...