WEG bacnet CFW701 User manual

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CFW701
HVAC-R Drives
Quick Setup Guide

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CFW700 HVAC-R Drives
2
22 AI1+ Analog input 1 (4-20 mA):
Control Process Variable
Product XC1 terminal
23 AI1-
35 COM Common point of the digital inputs
36 DGND Reference (0 V) for the 24 V dc
power supply
15 / 34 24 V dc 24 V dc power supply
37 D1 Digital input 1: Start/Stop
19 DI7 Digital input 7:
Fire Mode Command
20 DI8 Digital input 8:
Bypass Command
32 C1 Digital output 1 DO1 (RL1):
VFD Contactor
33 NO1
11 C2 Digital output 2 DO2 (RL2):
Bypass Contactor
31 NO2
10 A-line
(-) RxD/TxD negative
9B-line
(+) RxD/TxD positive
8 GND 0 V isolated from the RS485 circuit
+
-
OFF
OFF
OFF
0N
0N
0N
4-20 mA
Sensor
120 V ac
RS4851)
Note: 1) BACnet MS/TP, Metasys N2 and Modbus-RTU
CFW701 HVAC-R Drives
1 - Installation and Power Connections
Refer to CFW701 user guide chapter 3.
1.1 - Control Connections

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CFW700 HVAC-R Drives 3
Active high / low digital inputs
NC PTC PTC NC NC AI3+ AI3- GND A - RS485 B - RS485 RL2-C DO3 DO4 DO5 +24 V GND (24 V) DI5 DI6 DI7 DI8
REF+
AI1+
AI1-
REF-
AI2+
AI2-
AO1
AGND (24 V) AGND (24 V)
RL2-NA
RL1-C
RL1-NA
+24 V
COM
GND (24 V)
DI1
DI2
DI3
DI4
AO2
Notes:  Setting depends on user/network.
1) Refer to the respective protocol manual for more details.
1.2 - Control Configuration
PROG DEF User Description
2 - Wire start/stop
P0000 0 5 Access to parameters
P0220 2 3 LOC/REM selection = LR key
(REM when turn on CFW701)
Press to select remote mode
P0227 1 1 Remote run/stop = DIx
P0263 1 1 DI1 = start/stop
BACnet communication
P0308 1  Serial address (0 to 255)
P0310 1 1 Serial baud rate - bits/s
(0 = 9,600; 1 = 1,920; 2 = 38,400; 3 = 57,600)
P0311 1 0 Serial bytes
(0 = 8 data bits, no parity, 1 stop bit)
P03121) 2 3 Serial protocol
(2 = Modbus-RTU, 3 = BACnet MS/TP, 4 = N2)

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CFW700 HVAC-R Drives
4
Press the
ENTER/MENU
Enter/Menu
JEnter programming
mode
JUse to select/save
Run
JRun in local mode
Stop
JStop in local mode
JReset
Up/Down
JAdjust speed
in local mode
JNavigate through
parameters
Back/ESC
JReturn to
monitoring mode
JReturn to previous
programming level
2 - Programming
2.1 - CFW701 Keypad
2.2 - Motor and Keypad Settings
2.2.1 - Oriented Startup Routine (STARTUP Group)
PROG DEF User Description
Oriented startup (scalar - V/F mode) - STARTUP group
P0298 0 0 Normal duty
P0202 0 0 Control type V/F
P0401 - ■Motor FLA (A)
P0403 60 ■Motor frequency nameplate data
P0402 1,710 ■Motor speed (RPM)
Note: ■ Set as per motor nameplate data.
Press the
ENTER/MENU
Select
STARTUP
P0317 to “1”

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CFW700 HVAC-R Drives 5
PROG DEF User Description
Basic application - BASIC group
P0100 20s  Acceleration time (s)
P0101 20s  Deceleration time (s)
P0133 90 rpm  Minimum speed (Hz)
P0134 1,800 rpm  Maximum speed (Hz)
Note:  Setting depends on application.
PROG DEF Description
Motor overload settings - PARAM group
P0156 1.05 x Inom-ND Overload current at 105% speed
P0157 0.9 x Inom-ND Overload current at 50% speed
P0158 0.65 x Inom-ND Overload current at 5% speed
DEF User Description
Changing monitor display parameter - HMI group
P0205 = 2
P0206 = 1
1 Speed reference (rpm)
2 Output speed (rpm)
3 Motor current (A)
5 Output frequency (Hz)
7 Output voltage (V)
42 Time powered (h)
44 Output energy (kWh)
1011 Control setpoint 1
1015 Control process variable
DEF User Description
Changing main display unit - HMI group
P0209 = 3
3 rpm
11 °C
21 °F
22 bar
24 psi
36 gal/s
37 gal/min
40 l/min
50 m³/h
Rotation
Local/Remote Status
Secondary display
P0206
Main display unit
P0209
Main display unit
P0205
Parameters
group

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CFW700 HVAC-R Drives
6
Fire Mode
This function makes the drive to inhibit
its internal faults making the motor run
at adverse conditions without stopping
the process.
PROG DEF User Description
P0269 - DI7 function
P0269 0 24 24 = Fire Mode
Set to Fire Mode with logic level "0" (0 V) at DI7
P0581 - Fire Mode PID setpoint
P0581 0  -32,768 to 32,767
Define the setpoint to be used by Fire Mode when the PID is enabled and P0580 = 3
P0340 - Auto-Reset time
P0340 0  0 to 255s
Reset itself automatically after the time set in P0340 has elapsed
P0582 - Fire Mode Auto-Reset configuration
P0582 0  0 = limited (as defined in P0340)
1 = unlimited (every 1s)
Define Auto-Reset for critical fault: Overvoltage (F022), Overcurrent/Short-circuit (F070)
and Safety Stop Relays (F160)
P0580 - Fire Mode configuration
P0580 0 
0 = disabled (Fire Mode inactive)
1 = enabled (keeps speed reference/PID setpoint)
2 = enabled (set speed reference to maximum P0134)
3 = enabled (set PID setpoint to the value
programmed in P0581)
4 = enabled (disables the output,
motor will coast to stop)
Alarm A211
will be generated
on keypad
when Fire Mode
is enable.
Note:  Setting depends on application.

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CFW700 HVAC-R Drives 7
P0320 - Flying start
P0320 0 1 1 = flying start
The Flying Start function allows starting a motor that is spinning freely, accelerating
it from the speed it is found.
Bypass
Using one of its relay outputs the
CFW701 allows the motor to be started
cross the line. External circuit is needed
for this operation.
PROG DEF User Description
P0270 - DI8 function
P0270 0 23 23 = Bypass Mode
Set to Bypass Mode with logic level “1” (24 V dc) at DI8
P0275 - DO1 function (RL1) and P0276 - DO2 function (RL2)
P0275 13 39 39 = VFD
contactor
P0276 2 40 24 = Bypass
contactor
P0584 - Bypass contactor time
P0584 0.30s  Delay between the opening of one contactor
and the closing of the other contactor (s)
P0583 - Bypass Mode configuration
P0583 0 1
0 = disabled (Bypass Mode inactive)
1 = enabled by a digital input
2 = enabled by a digital input or when a fault happens
Define the triggering event for the CFW701 entering the Bypass Mode
Alarm A210 will be
generated on keypad
when Bypass is enable.
DO1 (RL1)
VFD
Contactor DO2 (RL2)
Bypass
Contactor
CFW701
~
M
DI8
VFD
Speed
DO1 (RL1)
VFD Contactor
DO2 (RL2)
Bypass Contactor
Bypass On
command
P0584
tdemag = It is fixed in 3 seconds
P0584
Bypass Off
command
VFD Run
command
tdemag tdemag
Note:  Setting depends on application.

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CFW700 HVAC-R Drives
8
PROG DEF User Description
Dry pump
P0516 13 3 3 = rpm
P0517 1 0 Decimal point of engineering unit = xywz
P1042 0 
0 = disable
1 = enable and generates only alarm (A0766)
2 = enable and generates fault (F0767)2)
P10431) 400  Motor speed for dry pump (rpm)
P1044 20  Motor torque for dry pump (%)
P1045 20s  Time delay for dry pump alarm (A0766)
or fault (F0767) (s)
Dry Pump
Prevents the pump from running with
no load.
Pump
protection
F0767
FAULT2)
Stop the
system
P0002
Actual Motor Speed (rpm)
P1042 = 1
P1042 = 2
P1043
Motor Speed for Dry Pump (rpm)
P0009
Actual Motor Torque (%)
P1044
Motor Torque for
Dry Pump (%)
Motor Running
(status)
TIMER ON
P1045
Time Delay
A0766
Alarm
Do not
stop the
system
AND
Notes:  Setting depends on application.
1) According to the selection of the engineering unit (P0516 and P0517
parameter).
Note: 2) A0766 will be generated on keypad during motor deceleration and the fault
F0767 after stopping the motor.

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CFW700 HVAC-R Drives 9
PROG DEF User Description
Broken belt
P0516 13 3 3 = rpm
P0517 1 0 Decimal point of engineering unit = xywz
P1046 0 
0 = disable
1 = enable and generates only alarm (A0768)
2 = enable and generates fault (F0769)2)
P10471) 400  Motor speed for broken belt (rpm)
P1048 20  Motor torque for broken belt (%)
P1049 20s  Time delay for broken belt alarm (A0768)
or fault (F0769) (s)
F0769
FAULT2)
Stop the
system
P0002
Actual Motor Speed (rpm)
P1046 = 1
P1046 = 2
P1047
Motor Speed for
Broken Belt (rpm)
P0009
Actual Motor Torque (%)
P1048
Motor Torque for
Broken Belt (%)
Motor Running
(status)
TIMER ON
P1049
Time Delay
A0768
Alarm
Do not
stop the
system
AND
Notes:  Setting depends on application.
1) According to the selection of the engineering unit (P0516 and P0517
parameter).
Note: 2) A0768 will be generated on keypad during motor deceleration and the fault
F0769 after stopping the motor.
Broken Belt
Monitors motor torque and prevents
VFD from running with no load in case
of a broken belt.

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CFW700 HVAC-R Drives
10
Filter Maintenance Alarm
Warns about the need to replace
the filter.
PROG DEF User Description
Filter maintenance
P10502) 0
0 = disable
1 = enable and generates only alarm (A0770)
2 = enable and generates fault (F0771)1)
P1051 5,000h Filter maintenance time (0 to 32,000h)
P10522) Ready parameter Operation time for filter maintenance
Notes: 1) A0770 will be generated on keypad during motor deceleration and the fault
F0771 after stopping the motor.
2) Set P1050 in “0” to reset the operation time for filter maintenance alarm.
F0771
FAULT1)
Stop the
system
P1051
Filter maintenance time (hours)
P1050 = 1
P1050 = 2
TIMER ON
P10522)
Operation time for filter maintenance
Time ON when the VFD is running
A0770
Alarm
Do not
stop the
system
Notes:  Setting depends on application.
1) Set P1050 in “0” to reset the operation time for filter maintenance alarm.