Grundfos RF2 Bedienungsanleitung

GRUNDFOS INSTRUCTIONS

Redi-Flo Variable

Frequency Drive

USA Installation and operating instructions

SAFETY NOTICE

This equipment contains voltages that may e as great as 1000 volts! Electrical shock

can cause serious or fatal injury. Only qualified personnel should attempt the start–up

procedure or trou leshoot this equipment.

PPRREECCAAUUTTIIOONNSS::

WWAARRNNIINNGG::Do not touch any circuit oard, power device or electrical

connection efore you first ensure that power has een

disconnected and there is no high voltage present from this

equipment or other equipment to which it is connected. Electrical

shock can cause serious or fatal injury. Only qualified personnel

should attempt the start–up procedure or trou leshoot this equipment.

WWAARRNNIINNGG::Be sure the system is properly grounded efore applying power.

Do not apply AC power efore you ensure that grounds are

connected. Electrical shock can cause serious or fatal injury.

WWAARRNNIINNGG::Do not remove cover for at least five (5) minutes after AC power is

disconnected to allow capacitors to discharge. Electrical shock can

cause serious or fatal injury.

CCAAUUTTIIOONN::Disconnect motor leads (T1, T2 and T3) from control efore you

perform a “Megger” test on the motor. Failure to disconnect motor

from the control will result in extensive damage to the control. The

control is tested at the factory for high voltage / leakage resistance

as part of Underwriter La oratory requirements.

CCAAUUTTIIOONN::Do not connect AC power to the Motor terminals T1, T2 and T3.

Connecting AC power to these terminals may result in damage to

the control.

QUICK START GUIDE

QQUUIICCKK SSTTAARRTT GGUUIIDDEE

To operate the Redi-Flo VFD system, simply:

1. Su merge the RF2 or RF4 pump in the water to e pumped.

2. Connect the motor lead to the Redi-Flo VFD. (Note: With RF4 Varia le Performance

Pumps you must have an adapter cord to connect to Redi-Flo VFD.

##33 aanndd ##44 ffoorr ooppeerraattiioonn wwiitthh ggeenneerraattoorr oonnllyy..

WWAARRNNIINNGG:: DDoo nnoott lleett tthhee ggeenneerraattoorr rruunn oouutt ooff ggaass wwhhiillee ppoowweerriinngg tthhee VVFFDD..

IIff iitt ssuurrggeess aanndd ccrreeaatteess eexxcceessssiivvee vvoollttaaggee,, iinntteerrnnaall VVFFDD ddaammaaggee ccoouulldd rreessuulltt..

3. If using a generator, start the generator and allow it to warm up.

4. If the generator has a circuit reaker, close the reaker and check the output

voltage from the generator. The output voltage must e within the specified

ranges (refer to Technical Specifications, at the end of this manual) to ensure proper

operation and prevent damage to the system. If the voltage is too high or too low,

adjustments to the generator must e performed to allow the system to run.

5. Plug the Redi-Flo VFD into a generator or connect to utility power supply. The unit

accepts 115V or 230V sources. Refer to the Input Power Terminals section for wiring instructions.

WWAARRNNIINNGG:: IInnccoorrrreecctt wwiirriinngg oonn tthhee 111155VV oorr 223300VV tteerrmmiinnaallss wwiillll ddaammaaggee tthhee ddrriivvee..

6. The VFD will initialize and e ready to drive the motor. After the initialization screen

appears, the following will e displayed:

• STP means the drive is stopped

• V indicates motor volts

• REDIFL2 indicates Redi-Flo2 pump mode

• LOC means the drive is in Local Keypad Mode

• A indicates motor amps

• HZ indicates motor frequency

The VFD defaults to Redi-Flo2 operation. To change to Redi-Flo4 press the sequence SHIFT-▼-SHIFT keys.

Use sequence SHIFT-▲-SHIFT to return to Redi-Flo2.

7. Press the FWD key to start the motor and use the ▲and ▼ arrow keys to increase

or decrease speed. Continuous holding of the arrow key will increase the rate of speed

change. The STOP key is used to stop the motor.

8. Pressing the ENTER key allows the user to quickly set the speed to any given value

y using the ▲and ▼ arrows to change speed and the SHIFT key to cursor etween digits.

9. When powering down, unplug the Redi-Flo VFD from the generator BEFORE

removing the motor lead from the Redi-Flo VFD or turning off the generator.

NNoottee:: TToo pprreevveenntt ttrriippppiinngg ppoowweerr ssoouurrccee cciirrccuuiitt rreeaakkeerrss pplleeaassee oosseerrvvee tthhee ffoolllloowwiinngg:: WWhheenn uussiinngg tthhee RReeddii-FFlloo44

ppuummpp aanndd aa VVFFDD ppoowweerr ssoouurrccee ooff 111155VVAACC,, mmoottoorr ssppeeeeddss ooff ggrreeaatteerr tthhaann 7700HHzz mmaayy ddrraaww oovveerr 1155 aammppss.. FFoorr

223300VVAACC ppoowweerr ssoouurrccee mmoottoorr ssppeeeeddss ggrreeaatteerr tthhaann 9900 HHzz mmaayy ddrraaww oovveerr 1155 aammppss.. IInn RReeddiiFFlloo44 mmooddee,, 110000 HHzz

ccaannnnoott ee eexxcceeeeddeedd wwiitthhoouutt cchhaannggiinngg ppaarraammeetteerrss..

STP 0V REDIFL2

LOC 0.0A 0.00HZ

PRE-INSTALLATION CHECKLIST

CCoommppoonneennttss ooff YYoouurr RReeddii-FFlloo VVFFDD SSyysstteemm

Your Redi-Flo Varia le Performance Pump system should contain the following

components:

1. Redi-Flo Varia le Frequency Drive, (See Figure 1)

2. Either a Redi-Flo2® pump and motor with lead (Figure 2) or a Redi-Flo4™ Varia le

Performance pump, motor, lead, lead/plug and RF4 x VFD adapter cord (Figure 3).

Figure 1

Redi-Flo2®

Redi-Flo4®

Figure 2

Figure 3

TToo ooppeerraattee tthhee ssyysstteemm yyoouu wwiillll aallssoo nneeeedd::

1. A discharge hose or pipe to connect to the pump (See Figure 4).

2. An electrical plug to connect the Redi-Flo VFD power cord to your porta le

generator may e needed if the supplied plug is not compati le with your generator (See Figure 5).

3. Safety ca le and hardware for lowering and lifting the pump (See Figure 6).

Redi-Flo2®

Figure 6Figure 5

The exact type of plug used will depend

upon your generator, The Redi-Flo VFD

is supplied with a standard NEMA 5-15P,

115V, 3 prong plug.

Figure 4

Redi-Flo4®

ASSEMBLING THE REDI-FLO VFD SYSTEM

IINNPPUUTT PPOOWWEERR TTEERRMMIINNAALLSS

The input voltage can e changed etween 115V and 230V y changing the line input

connections as shown elow:

WWaarrnniinngg - IIff tthhee RReeddii-FFlloo VVFFDD iiss mmiisswwiirreedd ffoorr tthhee iinnccoommiinngg vvoollttaaggee,, iinntteerrnnaall ddaammaaggee

mmaayy ooccccuurr ttoo tthhee ddrriivvee..

AAttttaacchhiinngg tthhee PPuummpp ttoo tthhee ppiippee

When connecting the discharge pipe or tu ing to the pump, a ack-up wrench should e used. It is

recommended that a safety ca le e attached to the pump (using special rackets and ca les, sold separately)

anytime plastic pipe or flexi le tu ing is used (as shown if figure 6). A check valve may also e added to

Redi-Flo2® pumps to prevent fluid from flowing ack into the pump after it is turned off ( ackflow prevention).

A check valve is standard on Redi-Flo4™ pumps. Always check to ensure joints are fastened securely. The use of

a torque arrestor is not required when using the Redi-Flo VFD.

LLoowweerriinngg tthhee PPuummpp IInnttoo tthhee WWeellll

Make sure the electrical motor leads are not cut or damaged in any way when the pump is eing lowered into the

well. Do not use the motor leads to support the weight of the pump. To protect against surface water entering the

well and contaminating the well, the well should e finished off utilizing a locally approved well seal.

The motor lead should e secured to the discharge pipe or tu ing at frequent intervals to prevent sagging,

looping and possi le motor lead damage. Teflon® wire ties are recommended for environmental applications.

IIMMPPOORRTTAANNTT

Plastic pipe and tu ing tend to stretch under load. This stretching must e taken into account when securing the motor lead

to the riser pipe or tu ing. Leave three to four inches of slack etween clipped points. This tendency to stretch will also affect

the calculation of the pump setting depth. When plastic pipe or tu ing is used, it is recommended that a safety ca le e

attached to the pump to raise and lower it. Redi-Flo4™ pumps are designed to accommodate this ca le and Redi-Flo2®

pumps can e fitted with a safety ca le racket (part num er 1A0019).

223300VVAACC

111155VVAACC

RR22BBtt//RR11BB-TT11TT22TT33GGNNDD

-----230VAC-----

-----------115VAC-----------

HHoottNNeeuuttrraallGGrreeeenn

ASSEMBLING THE REDI-FLO VFD SYSTEM

OOPPEERRAATTIINNGG CCOONNDDIITTIIOONNSS

To ensure the Redi-Flo Varia le Performance Pumping system operates properly, follow these guidelines:

• The Redi-Flo2® or Redi-Flo4™ pump must e installed vertically with the discharge end pointed upwards.

• The electrical voltage supply to the Redi-Flo VFD must always e within + or - 10% of the specified power

supply ( 103.5 - 126.5 VAC at 115V connection or 207 - 253 VAC at 230V ).

• For est performance when operating on a generator, 115V generators should e set at 120V without load and

230V generators should e set at 240V without load. Use a separate meter to set voltage; do not rely on uilt-

in meters found on generators. Verify generator voltage stays within tolerance at full load.

• The pump and motor must always e completely su merged in fluid to ensure

lu rication and cooling of the motor.

• The temperature of the fluid eing pumped should e according to the technical

specifications shown in the motor specifications.

• The installation depth of the pump should always e at least three feet elow the maximum drawdown level

of the well.

• Redi-Flo pumps are not recommended for well development or pumping fluid

containing a rasives.

• Redi-Flo2® pumps are not recommended for continuous operation applications.

• The warranty of the Redi-Flo pumps will e void if other than the Redi-Flo VFD is used or if corrosive fluids are

pumped.

• The service life of dedicated Redi-Flo pumps may e compromised if the am ient water quality exceeds one or

more of the following values:

pH<5 DO>2 ppm H2S>1 ppm CL->500 ppm TDS>1000 ppm

AAddhheerreennccee TToo EEnnvviirroonnmmeennttaall RReegguullaattiioonnss

When handling and operating the Redi-Flo Varia le Performance Pump system, all environmental regulations

concerning the handling of hazardous materials must e o served. When the pump is taken out of operation,

great care should e taken to ensure that the pump contains no hazardous materials that might cause injury to

human health or to the environment.

PPuurrggiinngg AA WWeellll

If the pump is used to purge a well, start the pump at minimum speed and gradually increase to desired speed.

Redi-Flo products are not recommended for well development.

GGeenneerraattoorr UUssaaggee

MMiinniimmuumm ggeenneerraattoorr ssiizzee((RReeddii-FFlloo22//RReeddii-FFlloo44))

For generators with voltage regulation 2500/3400 watts at 115/230VAC, single phase

For generators without voltage regulation 5000/6700 watts at 115/230VAC, single phase

Recommended for optimal performance 4000/5400 watts at 115/230 VAC, single phase

with voltage regulation

REDI-FLO VFD SPECIAL FEATURES

DDuuaall IInnppuutt CCaappaaiilliittyy

Redi-Flo VFD can accept 115V or 230V single phase input voltage. Refer to the input power

terminal section on page 4 for connection instructions.

EEnncclloossuurree

The Redi-Flo VFD NEMA 4 enclosure is designed for outdoor duty and is resistant to

damage as a result of incidental exposure to rain.

UULL AApppprroovvaallss

The Redi-Flo VFD is UL Listed to U.S. and Canadian electrical safety standards.

DDuuaall FFuunnccttiioonnaalliittyy

The Redi-Flo VFD can change from operating Redi-Flo2® (MP1) to Redi-Flo4™

Varia le Performance pumps with a few keystrokes.

OOppttiimmiizzeedd VVoollttss//FFrreeqquueennccyy ((VV//HHZZ)) PPaatttteerrnn

The Redi-Flo VFD V/Hz pattern is specially optimized to allow the most efficient

operation of Redi-Flo2® and Redi-Flo4™ varia le performance pumps.

REDI-FLO VFD KEYPAD OVERVIEW

OOvveerrvviieeww

The keypad is used to program the control parameters, to operate the motor and to monitor the status

and outputs of the control y accessing the display options, diagnostic menus and the fault log.

IInnddiiccaattoorr LLiigghhttss

JOG - (Green) lights when Jog is active.

FWD - (Green) lights when FWD direction is commanded.

REV - (Green) lights when REV direction is commanded.

STOP - (Red) lights when motor STOP is commanded.

JJOOGG - Press JOG to select the

preprogrammed jog speed. After the

jog key has een pressed, use the FWD

or REV keys to run the motor in the

direction that is needed. The JOG key is

only active in the local mode.

FFWWDD - Press FWD to initiate forward

rotation of the motor. (Active in Local

and Jog modes).

RREEVV - Press REV to initiate reverse

rotation of the motor. (Active in Local

and Jog modes).

SSTTOOPP - Press STOP to initiate a stop

sequence. Depending on the setup of

the control, the motor will either regen

or coast to a stop. This key is

operational in all modes of operation

unless it has een disa led y the

Keypad Stop parameter in the Keypad

(programming) Setup Block.

LLOOCCAALL - Press LOCAL to change

etween the local (keypad) and remote

operation.

DDIISSPP - Press DISP to return to display

mode from programming mode.

Provides operational status and

advances to the next display menu

item.

SSHHIIFFTT - Press SHIFT in the program

mode to control cursor movement.

Pressing the SHIFT key once moves the

linking cursor one character position

to the right. While in program mode, a

parameter value may e reset to the

factory preset value y pressing the

SHIFT key until the arrow sym ols at

the far left of the keypad display are

flashing, then press an arrow key. In

the display mode the SHIFT key is used

to adjust the keypad contrast.

RREESSEETT - Press RESET to

clear all fault messages (in local mode).

Can also e used to return to the top of

the lock programming menu without

saving any parameter value changes.

PPRROOGG - Press PROG to enter the

program mode. While in the program

mode the PROG key is used to edit a

parameter setting.

▲((UUPP AArrrrooww))..

Press ▲to change the value of the

parameter eing displayed. Pressing ▲

increments the value to the next

greater value. Also, when the fault log

or parameter list is displayed, the ▲

key will scroll upward through the list.

In the local mode pressing the ▲key

will increase motor speed to the next

greater value.

EENNTTEERR - Press ENTER to save parameter

value changes and move ack to the

previous level in the programming

menu. In the display mode the ENTER

key is used to directly set the local

speed reference. It is also used to select

other operations when prompted y

the keypad display.

▼((DDoowwnn AArrrrooww))

Press ▼to change the value of the

parameter eing displayed. Pressing ▼

decrements the value to the next lesser

value. Also, when the fault log or

parameter list is displayed, the ▼key

will scroll downward through the list.

In the local mode pressing the ▼key

will decrease motor speed to the next

lesser value.

KKeeyyppaadd DDiissppllaayy - Displays status

information during Local or Remote

operation. It also displays information

during parameter setup and fault or

Diagnostic Information.

MMoottoorr SSeelleeccttiioonn - The VFD defaults to

Redi-Flo2 operation, to change to

Redi-Flo 4, press the key sequence

“Shift -▼- Shift.” Use the sequence

“Shift -▲- Shift” to return to Redi-Flo2.

MOTOR CONTROL VIA KEYPAD

The Redi-Flo VFD can operate the motor in three (3) different ways from the keypad.

1. Speed adjustment using the Keypad arrow keys

2. Speed adjustment with Keypad entered values

3. JOG Command

11)) KKeeyyppaadd aarrrrooww ssppeeeedd ccoonnttrrooll

Press FWD or REV to select desired direction of motor rotation, then press or hold the up arrow key ▲to increase

speed or use the down arrow key ▼to reduce motor speed. Continuously holding the arrow key will cause the

speed to change in larger increments. The minimum speed increment produced y the arrow keys is defined in

PROG/Keypad Setup/Keypad Speed INC. Default value of 0.10 Hz can e changed y the user.

22)) KKeeyyppaadd ssppeeeedd eenntteerreedd vvaalluuee

Press the ENTER key and use the ▲ and ▼ arrow keys to adjust digits and the SHIFT key to cursor to the desired

digit. Press ENTER when finished selecting desired motor speed to return to the display mode. Press the FWD or

REV key to run the motor in the desired direction at the programmed speed.

33)) JJOOGG CCoommmmaanndd

The JOG key can e used to ramp the pump up to a predetermined speed in the forward or reverse direction.

Press the JOG key then hold the FWD or REV key, and the pump will ramp to the speed set in PROG/Jog

Settings/Jog Speed. Acceleration and deceleration times for Jog can also e set in this programming menu.

DDIISSPP KKeeyy

The DISP key can e used for accessing diagnostic and trou leshooting screens as shown elow:

Action Description Display Comments

Apply Power Display mode showing mode,

voltage, current & frequency

status.

No faults present. Local keypad

mode. If in remote mode, press

local for this display.

Press DISP key Scroll to fault log block. Press ENTER to view the fault log

if desired.

Press DISP key Scroll to diagnostic info block. Press ENTER to view diagnostic

information if desired.

Press DISP key Scroll to local speed ref. block. Press ENTER to change motor

speed.

Press DISP key Display mode showing output

frequency.

Press DISP key Display mode showing motor

speed (based on output

frequency).

Press DISP key Display mode showing output

current.

Press DISP key Display mode showing output

voltage.

redifl2

MOTOR CONTROL VIA KEYPAD

AAddjjuussttiinngg DDiissppllaayy CCoonnttrraasstt

When AC power is applied to the VFD, the keypad should display the status of the

unit. If there is no display visi le, or if it is difficult to read, use the following procedure to adjust the display.

Contrast may e adjusted in the display mode when motor is stopped or running.

Action Description Display Comments

Apply Power No visible display

Press DISP Key Places control in display mode Display mode.

Press SHIFT key 2 times Allows display contrast

adjustment

Press Yor BKey Adjusts display intensity

Press ENTER Saves level of contrast and exits

to display mode

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