Altering Vfd Parameters For Use With Corayvac; Modulating Heating Control - Roberts Gorden Corayvac CRV-B Series Installation, Operation & Service Manual

14.2 Altering VFD Parameters For Use With CORAYVAC

Using the procedure described on Page 66, Section
14.1.1 through Section 14.1.5, alter the following
parameters:
Parameter
Parameter Name
Number
P01 Maximum Frequency (Hz)
P02 Minimum Frequency (Hz)
P03 Accel. Time (sec)
P04 Decel. Time (sec)
P07 Nominal Motor Voltage (V)
P08 Rated Motor Current (A)
P09 Rated Motor Frequency (Hz)
P12 Control Level
P14*** VFD Access Code
P36 Communication Configuration
*Depends on the VFD rated power
**VFD should be in modbus mode unless manual mode is desired temporarily
***Parameter Number P14 set to 101 unlocks parameters P15-P53
SECTION 14: V
ARIABLE
®

Modulating Heating Control

Factory Default
50.0
0.0
5
5
230*
4.8 Rated Motor Current (from Motor Data Plate)
Rated Motor Frequency (from Motor Data
50.0
0.0
0.0
-
-
-
F D P
REQUENCY RIVE ROGRAMMING
New Setting
60.0
40.0
10
10
(Motor Voltage)
Plate)
1 ‐ Manual Run Mode
3 ‐ Modbus (internal ramp times)**
101.0
VFD Slave Address (1) or (2)
Modbus RTU baud Rate (9600)
Time Out (0)
F U W CORAY-
OR SE ITH
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