Roberts Gorden Corayvac CRV-B Series, Инструкция по установке, эксплуатации и обслуживанию

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CRV-S
ERIES
I
NSTALLATION
, O
PERATION AND
S
ERVICE
M
ANUAL
66 of 85
SECTION 14: VARIABLE FREQUENCY DRIVE PROGRAMMING FOR USE WITH CORAYVAC ®
MODULATING HEATING CONTROL
14.1 VFD Parameter Settin g s For Use With
CORAYVAC
®
Modulatin g Heatin g Control
The VFD parameters come w ith factory defa u lt set-
tings. The follo w ing parameter settings m u st be
changed. Settings can only be altered w hen the
p u mp motor is stopped.
Verify that there is po w er to the VFD (LCD display w ill
be on) and is set to off.
To o v erride the rotary disconnect s w itch inside the
VFD enclos u re, t u rn the sq u are rod w ith a w rench to
the ON position. In order to be able to close the co v er
of the disconnect, the rods need to be t u rned back to
the OFF position.
14.1.1
To enter the PROGRAM mode and access the
parameters, hold "OK"
u ntil P01 appears.
Display reads "P01"
14.1.2
Use the arro w b u ttons to scroll to P14
(the factory set pass w ord is 0.0).
Press "OK" to enter pass w ord (101).
Once the correct pass w ord v al u e is entered, the dis-
play w ill read "P14", w hich indicates that the
PROGRAM mode has been accessed at the begin-
ning of the parameter men
u (P01 is the first
parameter).
14.1.3 Use the arro w b u ttons to scroll to the desired
parameter n u mber. For ne w parameter settings
See
Page 67, Section 14.2 .
14.1.4 Once the desired parameter n u mber is fo u nd:
Press "OK" to display present parameter setting
(example setting is 20.0).
Use arro w b u ttons to change setting.
Press "OK" to store ne w setting and exit the
program mode.
14.1.5 To chan g e another parameter, press the
"OK" key a g ain to re-enter the PROGRAM mode
(the parameter menu will be accessed at the
parameter that was last viewed or chan
g ed
before exitin g ).
DANGER
Electrical Shock Hazard
Enclosure contains live electrical
components.
Programming must be done by a trained
technician only.
Replace cover before operating.
Failure to follow these instructions can result
in death or electrical shock.