Connection
11200827
*11200827*
Operation
ISOLAR WMZ-G1
Mounting
en-US/CA
Thank you for buying this product.
Please read this manual carefully to get the best performance from this unit.
Please keep this manual carefully.
Manual
Table of contents
General........................................................................2
Instructions.................................................................2
Description of symbols..............................................2
Disposal.......................................................................2
Information about the product.................................2
Technical data and overview of functions................3
VBus board.................................................................4
1.
Installation......................................................5
1.1
Mounting.........................................................5
1.2
Connections...................................................5
1.3
Data communication / Bus...........................5
2.
Operation and function.................................6
2.1
Push buttons for adjustment........................6
2.2
Menu structure..............................................7
2.3
Initial commissioning....................................7
2.4
Operating control lamp................................7
3.
Measured values.............................................7
4.
Balance values................................................7
5.
Adjustment values.........................................8
6.
Reports.........................................................12
7.
Examples of connection..............................15
Imprint......................................................................16
Subject to technical change. Errors excepted.
General
Safety advice
Please pay attention to the following safety advice in order
to avoid danger and damage to people and property.
Instructions
Attention must be paid to the valid local standards, regulations and directives!
Equipment to be installed and used in accordance with the
rules of the National Electrical Code (NEC) or with Canadian Electrical Code (CEC), Part I.
Target group
These instructions are exclusively addressed to authorised
skilled personnel.
•• Only qualified electricians should carry out electrical
works.
•• Initial installation must be effected by qualified personnel
named by the manufacturer.
Description of symbols
Information about the product
WARNING!
Warnings are indicated with a
warning triangle!
ÎÎ They contain information
on how to avoid the danger
described.
Proper usage
The iSolar WMZ-G1 is to be used for the measurement
and the display of system data by means of Grundfos Direct
Sensors™ in compliance with the technical data specified in
this manual.
Improper use excludes all liability claims.
Signal words describe the danger that may occur, when it
is not avoided.
Warning means that injury, possibly life-threatening injury,
can occur.
Attention means that damage to the appliance can occur.
Arrows indicate instruction steps that should be carried
out.
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Disposal
•• Dispose of the packaging in an environmentally sound
manner.
•• Dispose of old appliances in an environmentally sound
manner. Upon request we will take back your old
­appliances bought from us and guarantee an environmentally sound disposal of the devices.
© Caleffi 12027 iSolar_WMZ-G1.monus.indd
Note
Notes are indicated with an information symbol.
Technical data and overview of functions
© Caleffi 12027 iSolar_WMZ-G1.monus.indd
Included with the iSolar WMZ-G1:
1 x iSolar WMZ-G1
1 x VBus® slave board
1 x accessory bag
1 x spare fuse T4A
2 x screw and wall plug
4 x strain relief and screw
Technical Data:
Housing:
plastic, PC ABS and PMMA
Protection class:
IP 20 / EN 60529
Ambient temperature:
0 ... 40 °C
Size: 172 x 110 x 47 mm / 6.8" x 4.3" x 2.5"
Installation: wall mounting,
mounting into patch panels is
possible
Operation: three push buttons
at the front of the housing
Inputs: 2 Grundfos sensors VFS,
RPS or DPS
Power supply:
24 V
2
•• Recording of:
flow temperature
return temperature
power
heat quantity
flow rate
pressure
differential pressure
system errors
•• Especially for Grundfos Direct Sensors™
•• Easy connection
•• Dot matrix display
•• Function control
•• Configurable control parameters
The iSolar WMZ-G1 is a measurement
and display unit for solar thermal systems and conventional heating systems.
It is possible to connect up to two
Grundfos Direct Sensors™. Depending
on the number and type of sensors
connected, the unit is capable to show
temperature values, flow rates and
relative or differential pressures or a
combination of them.
Heat quantity measurement is possible
if two Grundfos Direct Sensors™ are
connected and at least one of them is
a VFS type sensor. The optional calorimeter especially takes into account
that the density and the specific heat
capacity of the heat transfer medium
depend on the temperature as well as
on the mixing ratio of water / glycol.
Using these parameters and the measurement of flow rate, flow and return
temperature, the unit calculates the
heat quantity.
A power failure protection guarantees
that the adjusted system parameters
and the calculated heat quantity are
maintained in the case of power loss.
Different sensors can be chosen and
configured using the push buttons.The
temperature of the selected measuring point, the heat quantity gained, the
current power or the flow rate of the
system are indicated on the display.
A control lamp and a relay are integrated to indicate sensor defects and
exceeded or underrun value ranges.
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VBus® board
When the iSolar WMZ-G1 is connected to a
controller, the VBus® master board has to be
replaced with the VBus® slave board!
When several iSolar WMZ-G1 modules are
cascaded and connected to a datalogger or PC
(see p. 14), only the VBus® master boards of the
iSolar WMZ-G1 modules with the subaddress
1 or higher have to be replaced with the VBus®
slave boards!
Replacing the VBus® board
1.
WARNING!
Electric shock!
Opening the housing will expose
live parts!
ÎÎ Switch off power supply and disconnect the device from mains
before opening the housing!
ATTENTION! ESD damage!
Electrostatic discharge can lead to damage to electronic components!
ÎÎ Take care to discharge properly
before touching the inside of the
device!
2.
The VBus® master board is marked with a “B”,
the VBus® slave board with a “J” in the upper
right corner of the populated side of the board.
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3.
ÎÎ Unscrew the cross-head screw of the cover (1.) and
re­move the cover from the housing.
ÎÎ Unscrew the two lateral srews of the transparent shield
(2.) and remove the shield.
ÎÎ Pull out the board which is to be replaced carefully (3.).
Replace with new board.
ÎÎ Place the shield back on the housing and attach with
the two screws.
ÎÎ Put the cover on the housing and attach with the crosshead screw.
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1.
Installation
display
1.1 Mounting
WARNING!
cover
push button
cable conduits with strain
relief
can fuse T4A
mounting
attachment
Electric shock!
Opening the housing will expose
live parts!
ÎÎ Switch off power supply and disconnect the device from mains
before opening the housing!
The unit must only be located in dry interior locations. It is
not suitable for installation in hazardous locations and should
not be placed close to any electromagnetic fields.The device
must additionally be supplied from a double-pole switch with
contact gap of at least 3 mm / 0.12". Please pay attention to
separate routing of sensor cables and power supply cables.
ÎÎ Unscrew the crosshead screw in the cover and remove
it from the housing.
ÎÎ Mark the upper fastening point on the wall, drill the hole
and premount the enclosed wall plug and screw.
ÎÎ Hang the housing at the upper fastening point and mark
the lower fastening point on the underground (hole
distance 130 mm / 5.1"), drill the holes and put in the
lower wall plug.
ÎÎ Fasten the housing.
ÎÎ Complete wiring connections in accordance with terminal allocations.
ÎÎ Put the cover on the housing and attach with the crosshead screw.
1.2 Connections
fuse
T4A
Netz / Mains
24 V
GND
+5V
T-2
sensor terminals
Q-2
GND
2 (1) A 24 V
S2
+5V
T-1
Q-1
S1
VBus
9 10
12 13 14
VBus terminals
N R1 N L
17 18 19 20
mains terminals
load terminals
ground terminals
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Note
The device must be grounded in order to function faultlessly.
ÎÎ Ground the device properly.
ATTENTION! ESD damage!
Electrostatic discharge can lead to damage to electronic components!
ÎÎ Take care to discharge properly
before touching the inside of the
device!
The power supply of the device must be carried out via an
external power supply switch only (last step of installation!)
and the line voltage must be 24 V. Flexible lines have to be
attached to the housing by means of the enclosed strain
relief and screws.
The device is equipped with 1 relay to which a load can
be connected:
Relay 1
R1
= conductor R1
N
= neutral line N
12, 13, 14 = grounding
5|
The sensors (S1, S2) are connected to the following terminals:
T4A
Netz / Mains
220 ... 240 V~
2 (1) A (220 ... 240) V~
+5V
Q-2
GND
+5V
S2
T-2
Q-1
GND
T-1
S1
VBus
9 10
12 13 14
N R1 N L
17 18 19 20
T-1/ T-2
Q-1 / Q-2
GND
+5V
yellow
white
green
brown
temperature signal 1 / 2 flow rate signal 1 / 2 (or rela- ground
tive pressure signal or differential pressure signal depending on the sensor type)
supply
The RESOL VBus® connection is carried out at the terminals marked “VBus” with either polarity.
Mains connection is at the mains terminals (see figure
to the left):
N
= neutral line N
L
= conductor L
12, 13, 14 = grounding
1.3 Data communication / Bus
The iSolar WMZ-G1 is equipped with the VBus® for data
transfer with and energy supply to external modules. The
connection is carried out at the two terminals marked
“VBus” (either polarity). One or more VBus® modules can
be connected via this data bus:
VBus
9 10
VBus terminals
®
Operation and function
2.1 Push buttons for adjustment
backwards (-)
forward (+)
2
3
1
OK
(selection / adjustment mode)
The device is operated via 3 push buttons below the display. The forward-button (1) is used for scrolling forward
through the menu or to increase the adjustment values.
The backwards-button (2) is correspondingly used for the
reverse function.
ÎÎ Select the desired sub-menu using buttons 1 and 2
ÎÎ Briefly press button 3 in order to enter the sub-menu,
ÎÎ The selected sub-menu is now shown on the display. By
pressing the “back”-button, the display returns to the
former menu level.
ÎÎ Press buttons 1, 2 and 3 several times until the desired
menu line is reached.
ÎÎ Briefly press button 3 in the relevant menu line for modification of adjustment values – “change value” appears
on the display – adjust the requested value by pressing
buttons 1 and 2
ÎÎ Briefly press button 3 in order to confirm the adjustment.
ÎÎ Please reply to the following security inquiry “Save?” by
choosing “yes” or “no” (buttons 1 and 2) and confirm
with button 3.
Note:
If button 3 is kept pressed for 2 seconds, the
display goes back to the main menu
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2.
2.2 Menu structure
1.
2.
3.
4.
Main Menu
Measured values
Reports
Balance values
Adjust. values
The clear text display shows a 4-line extract of the selected menu.
In the first line of each submenu you will find the option
“back” (except in submenu “measured values”), by means of
which you can return to the former display level.
After a short time of operation, the display switches to the
submenu “measured values” which is then indicated during
normal operation.
2.3 Initial commissioning
Adj. values:
language
Date
Time
english
01.01.2009
00:00
• Language:
ÎÎ Select the menu item “Language” with button 1 and
confirm with button 3
ÎÎ Select the desired language with buttons 1 and 2
ÎÎ In order to confirm the selection, briefly press button 3
and answer the security inquiry with “Yes”
ÎÎ In order to change to the adjustment values menu, select
the menu item “back” and confirm with button 3
The following languages are available: German (“Deutsch”),
English, Spanish (“Castellano”), French (“Français”), Italian
(“Italiano“). The factory setting is “English“.
2.4 Operating control lamp
ÎÎ Establish the power supply
In the “Adjust. Values” menu, carry out the adjustments
mentioned below. For further information on the adjustment
values, see chap. 5.
• Date:
ÎÎ Select the menu item “Date” with button 1 and confirm
with button 3
ÎÎ Adjust the year, the month and the day with buttons 1
and 2 and confirm each with button 3
ÎÎ In order to confirm the adjustment, briefly press button
3 and answer the security inquiry with “Yes”
• Time:
ÎÎ Select the menu item “Time” with button 1 and confirm
with button 3
ÎÎ Adjust the hours and the minutes with buttons 1 and 2
and confirm each with button 3
ÎÎ In order to confirm the adjustment, briefly press button
3 and answer the security inquiry with “Yes”
The device is equipped with a red/green operating control
lamp. The following operating states can be visualized:
•• green constant normal operation;
•• green flashing
measured value outside alarm limit
•• red flashing
defective sensor
•• not illumated
no voltage
3. Measured values
© Caleffi 12027 iSolar_WMZ-G1.monus.indd
S1:
T1: 74.8 ° c
P1: 0.14 bar
P: 9 W
S2:
T2: 23.9 ° C
Q2: 5.55 l/min
Heat: 19944 Wh
Note:
“Power” and “Heat” are only indicated when
at least one of the sensors connected is a VFS
type sensor and the option “Heatmeter” in the
submenu “Adj. values” has previously been set
to “Yes”.
In the submenu “Measured values”, different measurement
val­ues are shown: the measured values depend on the sensor type and can be the following:
Sensor 1: T1 (temperature in ° C or ° F)
p1 (pressure in bar)
Q2 (flow rate in l/min, m³/h or gallon/h)
P (in W) – values over 999,999 W cannot be
processed. In such a case, both the displayed
value and the VBus® data packet value remain
at 999,999 W.
Sensor 2: T2 (temperature in °C or ° F)
p2 (pressure in bar)
Q2 (flow rate in l/min, m³/h or gallon/h)
Heat (in Wh, kWh, MWh, kJ, MJ or GJ.)
S1 measures the flow temperature, S2 the return
temperature.
If the flow temperature is lower than the return temperature,
heat quantity measurement is not carried out. In that case,
the power is displayed as 0.
Briefly press button 3 in order to get back to the main menu.
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4. Balance values
Pressure:
Min
Max
23.8 ° C
172.0 ° C
Sensor 2
Temperature:
Min
Max
0.0 ° C
23.9 ° C
0.14 bar
0.14 bar
Diff-Pressure:
Min
Max
0.14 bar
0.14 bar
Flow rate:
Min 5.55 l/min
Max 6.11 L/min
Acc 4322.7l
In this submenu, the balance values for “Sensor 1”, “Sensor 2” and “Others” are indicated. When “Heatmeter” has
previously been set to “Yes” in the submenu “Adj. values”,
the balance values for this item are also indicated. The balance values refer to the period of time the device has been
in use. If these values are reset to zero, a new operating
period starts.
balance values
heatmeter
heat
balance values
others
operating days
5. Adjustment values
Display of balance values “Sensor 1”:
• Temperature:
Min: minimum temperature at sensor 1 in ° C or ° F
Max: maximum temperature at sensor 1 in ° C or ° F
• Pressure:
Min: minimum pressure at sensor 1 in bar
Max: maximum pressure at sensor 1 in bar
• Diff-Pressure:
Min: minimum differential pressure at sensor 1 in bar
Max: maximum differential pressure at sensor 1 in bar
• Flow rate:
Min: minimum flow rate at sensor 1 in l/min, m³/h, gallon/h
Max: maximum flow rate at sensor 1 in l/min, m³/h, gallon/h
Acc: accumulated volume since commissioning / last reset in l, m³ or gallons
Display of balance values “Sensor 2”:
• Temperature:
Min: minimum temperature at sensor 2 in ° C or ° F
Max: maximum temperature at sensor 2 in ° C or ° F
• Pressure:
Min: minimum pressure at sensor 2 in bar
Max: maximum pressure at sensor 2 in bar
• Diff-Pressure:
Min: minimum differential pressure at sensor 2 in bar
Max: maximum differential pressure at sensor 2 in bar
• Flow rate:
Min: minimum flow rate at sensor 2 in l/min, m³/h, gallon/h
Max: maximum flow rate at sensor 2 in l/min, m³/h, gallon/h
Acc: accumulated volume since commissioning / last reset in l, m³ or gallons
Display of balance values “Heatmeter”:
62254 Wh
• Heat:
Heat quantity in Wh, kWh, MWh, kJ, MJ or GJ.
Display of balance values “Others”:
0
• Operating days:
Number of operating days
In this menu the parameters and values for Sensor 1 and
Sensor 2, heat quantity measurement and bus mode can be
selected and adjusted. Furthermore, date and time have to
be set in this menu, see chap. 2.3.
Each sensor has two signals. The first signal of each sensor
refers to temperature. The second signal of each sensor
depends on the sensor type which can either be VFS for
flow rate, RPS for relative pressure or DPS for differential
pressure.
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© Caleffi 12027 iSolar_WMZ-G1.monus.indd
Sensor 1
Temperature:
Min
Max
Note:
The indicated balance values depend on the
selected sensor type!
Sensors 1 and 2
Sensor 1
Auto-detect...
Type
Range
RPS-...
0-0.6 bar
VFS Range:
Custom: Min: 1-19.99 l/min, Max: 1.01-600.00 l/min
1-20 l/min
2-40 l/min
5-100 l/min
10-200 l/min
20-400 l/min
RPS Range:
Custom: Min: 0.00-39.99 bar, Max: 0.01-40.00 bar
0-0.6 bar
0-1 bar
0-1.6 bar
0-2.5 bar
0-4 bar
0-6 bar
0-10 bar
0-16 bar
0-25 bar
0-40 bar
DPS Range:
Custom: Min: 0.00-15.99 bar, Max: 0.00-16.00 bar
0-0.6 bar
0-1 bar
0-1.6 bar
0-2.5 bar
Adj. values:
0-4 bar
Temperature
0-6 bar
unit ° C
0-10 bar
offset 0.0 ° C
0-16 bar
© Caleffi 12027 iSolar_WMZ-G1.monus.indd
min alarm
min
max alarm
max
yes
0.0 ° C
yes
100.0 ° C
Signal 1
Select and adjust the parameters and values for the selected
sensor
•• Auto-detect...
Start automatic sensor identification
If you select auto-detect, the sensor identifies itself: type
and sensor range are transmitted to the device. If no
automatic detection is possible, the type and range of
the sensor can be adjusted manually.
•• Type:
Select the sensor type by choosing between:
Off: no sensor type is selected
VFS: Flow rate sensor: sensor for detecting flow rate
RPS: Relative Pressure Sensor: sensor for detecting
relative pressure
DPS: Differential Pressure Sensor: sensor for detecting
differential pressure
•• Range:
Select the sensor range.
The range depends on the previously selected sensor
type (see tables to the left).
Adjust the parameters referring to temperature (signal 1):
•• Unit:
Select the unit of temperature. A selection can be made
between ° C and ° F.
•• Offset:
A sensor offset can be carried out.
Adjustment range: -99.9 ... 99.9 ° C or ° F
•• Min Alarm:
If the minimum temperature is reached, the relay is energized, appears in the display, the LED flashes green
and an alarm message appears in the submenu “Reports”.
ÎÎ Select “Yes” or “No” to activate or deactivate the
function.
If this function is selected, the minimum value for the
alarm has to be adjusted.
Adjustment range: -888.8 ... 999.9 ° C or ° F.
•• Max Alarm:
If the maximum temperature is reached, the relay is energized, appears in the display, the LED flashes green
and an alarm message appears in the submenu “Reports”.
ÎÎ Select “Yes” or “No” to activate or deactivate the
function.
If this function is selected, the maximum value for the
alarm has to be adjusted.
Adjustment range: -888.8 ... 999.9 ° C or ° F.
9|
Adjust the parameters and values for the second sensor
signal. The second signal of each sensor depends on the
sensor type.Therefore, the following parameters and adjustment values depend on the sensor type (flow rate for VFS,
pressure for RPS, differential pressure for DPS)
Adj. values:
flow rate
unit
offset
0.0
min alarm
min
max alarm
max
l/min
L/min
yes
0.0 l/min
yes
100.0 L/MIN
Adj. values:
Pressure
Offset
0.00 BAR
Min Alarm nO
min alarm
min
max alarm
max
| 10
yes
0.0 BAR
yes
12.0 BAR
Adjust the parameters referring to the flow rate (signal 2)
if a VFS is used:
•• Unit: Select the unit of flow rate.
A selection can be made between l/min, m³/h and
gallon/h.
•• Offset: An offset can be carried out. The adjustment
range depends on the previously selected unit.
•• Min Alarm:
If the minimum flow rate is reached, the relay is energized,
appears in the display, the LED flashes green
and an alarm message appears in the submenu “Reports”.
ÎÎ Select “Yes” or “No” to activate or deactivate the
function.
If this function is selected, the minimum value for the
alarm has to be adjusted.The adjustment range ­depends
on the previously selected unit.
•• Max Alarm:
If the maximum flow rate is reached, the relay is energized,
appears in the display, the LED flashes green
and an alarm message appears in the submenu “Reports”.
ÎÎ Select “Yes” or “No” to activate or deactivate the
function.
If this function is selected, the maximum value for the
alarm has to be adjusted.The adjustment range depends
on the previously selected unit.
Adjust the parameters referring to relative pressure (signal 2) if a RPS is used:
•• Offset:
An offset can be carried out.
Adjustment range: 0 ... 99.99 bar
•• Min Alarm:
If the minimum relative pressure is reached, the relay
is energized,
appears in the display, the LED flashes
green and an alarm message appears in the submenu
“Reports”.
ÎÎ Select “Yes” or “No” to activate or deactivate the
function.
If this function is selected, the minimum value for the
alarm has to be adjusted.
Adjustment range: 0 ... 99.9 bar
•• Max Alarm:
If the maximum relative pressure is reached, the relay
is energized,
appears in the display, the LED flashes
green and an alarm message appears in the submenu
“Reports”.
ÎÎ Select “Yes” or “No” to activate or deactivate the
function.
If this function is selected, the maximum value for the
alarm has to be adjusted.
Adjustment range: 0 ... 99.99 bar
© Caleffi 12027 iSolar_WMZ-G1.monus.indd
Signal 2
Adj. values:
diff.-Pressure
Min Alarm nO
Max Alarm nO
min alarm
min
max alarm
max
yes
0.0 BAR
yes
12.0 BAR
Adjust the parameters referring to differential pressure
(signal 2) if a DPS is used:
•• Min Alarm:
If the minimum differential pressure is reached, the
relay is energised,
appears in the display, the LED
flashes green and an alarm message appears in the
submenu “Reports”.
ÎÎ Select “Yes” or “No” to activate or deactivate the
function.
If this function is selected, the minimum value for the
alarm has to be adjusted.
Adjustment range: 0 ... 99.9 bar
•• Max Alarm:
If the maximum differential pressure is reached, the
relay is energized,
appears in the display, the LED
flashes green and an alarm message appears in the
submenu “Reports”.
ÎÎ Select “Yes” or “No” to activate or deactivate the
function.
If this function is selected, the maximum value for the
alarm has to be adjusted.
Adjustment range: 0 ... 99.9 bar
Note:
The parameters and adjustments have to be
selected and adjusted for sensor 2 as well. For
adjustment, please carry out the steps described
for sensor 1!
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Heat quantity measurement
Heat quantity measurement is carried out by means of the
difference between the flow and the return temperature as
well as the measured flow rate. If the function is activated
(factory setting), make the following adjustments:
adj. values:
Heatmeter
unit
Type
yes
Wh
wAtER
adj. values:
Unit
Type
Antifreeze
Wh
Propylene
38%
Adjustments for heat quantity measurement.
•• Heatmeter:
Heat quantity measurement can be activated or deactivated with this option.
•• unit:
ÎÎ Select a unit for the indication of the heat quantity
The units Wh or kJ can be selected.
•• Type:
ÎÎ Select the type of heat transfer fluid
Water, Propylene, Ethylene or Tyfocor ®LS can be selected.
•• antifreeze:
ÎÎ Adjust the concentration of propylene or ethylene
glycol in the heat transfer fluid
This adjustment channel is only visible if “Propylene” or
“Ethylene” is selected as “Type”.
Adjustment range: 20 ... 70 %.
11 |
VBus® adjustments
Adj. values:
VBus
Subaddress
Bus mode
Adj. values:
Subaddress
Bus mode
Bus master
0
active
0
cascaded
yes
VBus® adjustments.
•• Subaddress:
ÎÎ Adjust a subaddress for a iSolar WMZ-G1
An individual module address can be adjusted for a
WMZ‑G1.This way, it is possible to use several WMZ‑G1
with individual addresses in one system. If several
WMZ‑G1 (up to 16 in total are possible) are connected
to one PC or datalogger, the WMZ‑G1 have to be numbered serially, starting with 0. The connection sequence
at the VBus®-connection is arbitrary.
Adjustment range: 0 ... 15.
•• Bus mode:
ÎÎ Adjust the bus mode
Do not change the factory setting if the WMZ‑G1 is
connected to a controller with VBus® output terminal
(corresponds to the bus mode “Passive”).
Select bus mode “Active”, if the WMZ is not connected
to a controller and if data are recorded on a PC or
datalogger.
Select bus mode “Cascaded”, if several WMZ are connected to a PC or datalogger. The WMZ modules are
serially numbered starting with 0 (see above).
Adjustment range: Active, Passive, Cascaded.
If subaddress “0” and bus mode “Cascaded” are selected,
adjustments for the bus master have to be made:
•• Bus master:
ÎÎ Adjust the bus master
Select bus master “No” when several WMZ‑G1 modules
are cascaded and used along with a controller.
Select bus master “Yes” when several WMZ‑G1 modules
are cascaded and used without a controller.
Note:
For detailed examples of connection see chapter 7 on page 15 of this manual.
Reports:
back
Everything OK
Version
| 12
In the submenu “Reports” different messages are indicated.
During normal operation, the messages to the left are
displayed.
Note:
Error messages depend on the error and on the
sensor type selected previously!
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6. Reports
© Caleffi 12027 iSolar_WMZ-G1.monus.indd
Sensor 1
Reports:
Sensor 1
!Signal 1 fail
Signal failure at sensor 1, signal 1 (temperature).
Reports:
Sensor 1
!Signal 2 fail
Signal failure at sensor 1, signal 2 (this can be flow rate,
relative pressure or differential pressure depending on the
sensor type).
Reports:
Sensor 1
!Max temp. alarm
The adjusted maximum temperature at sensor 1 is exceeded!
Reports:
Sensor 1
!Min temp. alarm
The temperature at sensor 1 has fallen below the adjusted
minimum value!
Reports:
Sensor 1
!Max flow alarm
The adjusted maximum flow rate at sensor 1 is exceeded!
Reports:
Sensor 1
!Min flow alarm
The flow rate at sensor 1 has fallen below the adjusted
minimum value!
Reports:
Sensor 1
!Max press. alarm
The adjusted maximum relative pressure at sensor 1 is
exceeded!
Reports:
Sensor 1
!Min Press. alarm
The relative pressure at sensor 1 has fallen below the adjusted minimum value!
Reports:
Sensor 1
!Max d.p. alarm
The adjusted maximum differential pressure at sensor 1 is
exceeded!
Reports:
Sensor 1
!Min d.p. alarm
The differential pressure at sensor 1 has fallen below the
adjusted minimum value!
13 |
| 14
Reports:
Sensor 2
!Signal 1 fail
Signal failure at sensor 2, signal 1 (temperature).
Reports:
Sensor 2
!Signal 2 fail
Signal failure at sensor 2, signal 2 (this can be flow rate,
relative pressure or differential pressure depending on the
sensor type)
Reports:
Sensor 2
!Max temp. alarm
The adjusted maximum temperature at sensor 2 is exceeded!
Reports:
Sensor 2
!Min temp. alarm
The temperature at sensor 2 has fallen below the adjusted
minimum value!
Reports:
Sensor 2
!Max flow alarm
The adjusted maximum flow rate at sensor 2 is exceeded!
Reports:
Sensor 2
!Min flow alarm
The flow rate at sensor 2 has fallen below the adjusted
minimum value!
Reports:
Sensor 2
!Max press. alarm
The adjusted maximum relative pressure at sensor 2 is
exceeded!
Reports:
Sensor 2
!Min Press. alarm
The relative pressure at sensor 2 has fallen below the adjusted minimum value!
Reports:
Sensor 2
!Max d.p. alarm
The adjusted maximum differential pressure at sensor 2 is
exceeded!
Reports:
Sensor 2
!Min d.p. alarm
The differential pressure at sensor 2 has fallen below the
adjusted minimum value!
© Caleffi 12027 iSolar_WMZ-G1.monus.indd
Sensor 2
7.
Examples of connection
© Caleffi 12027
09351 iSolar_WMZ-G1.monus.indd
iSolar WMZ-G1 module in individual operation mode
• iSolar WMZ-G1:
master board
subaddress: “0”
bus mode: “Active”
iSolar WMZ-G1 with controller
• controller:
• iSolar WMZ-G1:
register iSolar WMZ-G1 module
slave board
subaddress: “0”
bus mode: “Passive”
Cascade without controller
• iSolar WMZ-G1 0: master board
subaddress “0”
bus mode: “Cascaded”
bus master: “Yes”
• iSolar WMZ-G1 1 ... 15: slave board
subaddress: 1 ... 15*
bus mode: “Cascaded”
The connection sequence at the VBus® is arbitrary.
Cascade with controller
• controller:
controller
iSolar WMZ-G1 0
No adjustments have to be made
(iSolar WMZ-G1 module must
not be registered!)
• iSolar WMZ-G1 0: slave board
subaddress: “0”
bus mode: “Cascaded”,
bus master: “No”
• iSolar WMZ-G1 1 ... 15: Slave board
subaddress: 1 ... 15*
Bus mode: “Cascaded”
The connection sequence at the VBus® is arbitrary.
* The maximum number of cascaded iSolar WMZ-G1 modules is 16. Whether this number can be reached depends
on the construction.
Disturbing factors can be the following: distances, voltagecarrying lines etc.
15 ||
15
Distributed by:
CALEFFI NORTH AMERICA, Inc.
3883 W. Milwaukee Rd.
Milwaukee, WI 53208
Tel.: +1 414.238.2360
Fax: +1 414.238.2366
www.caleffi.us
sales@caleffi.com
Reprinting / copying
This mounting- and operation manual including all parts is
copyrighted. Another use outside the copyright requires
the approval of CALEFFI NORTH AMERICA, Inc. This especially applies for copies, translations, micro films and the
storage into electronic systems.
Editor: CALEFFI NORTH AMERICA, Inc.
Direct SensorsTM is a trademark owned and controlled by
the Grundfos Group.
Please note:
The design and the specifications are to be changed without notice.
The illustrations may differ from the original product.
| 16
© Caleffi 12027 iSolar_WMZ-G1.monus.indd
Important notice:
The texts and drawings in this manual are correct to the
best of our knowledge. As faults can never be excluded,
please note:Your own calculations and plans, under consideration of the current standards and directions should only
be basis for your projects. We do not offer a guar­an­tee for
the completeness of the drawings and texts of this man­
ual - they only represent some examples. They can only be
used at your own risk. No liability is assumed for in­correct,
incomplete or false information and / or the resulting damages.