Dometic VARC 48 - Default Chapter; Table of Contents

Table of Contents
INTRODUCTION .................................................... 3
PGD1 and PLDPRO NA VIGA T I ON ............ 2
TOUCHSCREEN NA VIGA T I ON .................. 3
MAIN P AGE .......................................................... 3
Chiller Enable ................................................ 3
Chiller Summary ........................................... 3
Chiller Stage ................................................... 3
T rends .............................................................. 3
A larms .............................................................. 3
Remote Support ............................................ 3
Logo .................................................................. 4
Off Icon ............................................................. 4
Cool Icon ......................................................... 4
Heat Icon ......................................................... 4
Electric Heat Icon ......................................... 4
Setpoint Thermometers ............................. 4
GE NE RAL ........................................................... 5
DIGITAL IN PUTS ............................................. 5
Safety Inputs ........................................................... 5
Chilled Water Flow Switch ................................ 5
Refrigerant High Side Pressure L imit .......... 5
ANALOG INPUTS ............................................ 5
High Limit Temperature Setpoint ................................ 5
Freeze Temperature Setpoint ..................................... 6
Condenser Freeze Protection ..................................... 6
PRESSURE TRANSDUCERS .................................... 6
Suction Pressure ................................................ 6
Discharge Pressure ............................................ 6
RELAY OUTPUTS ............................................ 6
COMP – Compressor ................................................. 6
CWP – Chilled Water Pump ....................................... 6
SWP – Sea Water Pump ............................................ 6
RV – Reversing Valve ................................................. 6
EH – Electric Heat ...................................................... 6
Fault ............................................................................ 7
SYSTEM OVERVIE W ...................................... 7
System Power-up ................................................ 7
Software Revision ......................................... 7
MODBUS ............................................................ 7
Startup ...................................................................... 7
Operational Checks .............................................. 7
Compressor Startup ............................................. 7
SET POI N T S ........................................................... 8
Cooling ................................................................ 8
Heating ............................................................... 8
Compressor Staging T ime ........................ 8
Run Mode – Cooling ........................................... 8
Run Mode – Reverse Cycle H eating ............ 8
Run Mode – Electric H eating (optional
heater barrel) .......................................................... 8
OPERATIONAL M ODES ............................... 8
PUMP O PE RA TI O N ........................................... 8
Chilled Water Pump .................................... 9
Sea Water Pump ............................................ 9
Cooling Mode ......................................................... 9
Heating M ode ........................................................ 9
Status Screen Navigation ................................... 10
Electrical Specifications ..................................... 17
Appendix I: Touchscreen Navigation .. 18
Appendix II: PGD1 & PRO DISPLAY
NAVIGATION TREE ...................................... 27
Appendix III Multistage setup ................. 38
Appendix IV Configuration & Setup .................. 44
Setting Time and Date .............................................. 44
Enabling Electric Heat ............................................... 45
Select Unit of Temperature ....................................... 46
HMI Setup ................................................................. 47
Uploading program ........................................... 47
Deleting old program: ........................................ 48
Setting Screen Address, Time & Backlight: ...... 50
7” touch screen connection ............................... 56
Activating Maintenance Mode ........................... 57
Enabling via PGD1 Display ....................................... 57
Enabling via Touchscreen ......................................... 59
Appendix V Alarm Table ............................ 61
Appendix VI Default Parameters ........... 64
Appendix VII I/O Table & Wiring
Diagram ............................................................. 66
VARC Standard Wiring Diagram .................... 67
L-3499 E N GLIS H