© Caleffi_20130925_iSolar_WMZ.mon
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Table of contents
Safety advice ............................................................ 2
Technical data .......................................................... 3
1. Installation .......................................................... 5
1.1 Mounting .................................................................... 5
1.2 Electrical connection ............................................... 5
1.3 Flowmeter .................................................................. 5
2. Operation and function ..................................... 6
2.1 Push buttons for adjustment ................................. 6
2.2 Graphic display .......................................................... 6
2.3 LED flashing codes ................................................... 6
3. Determining the ratio of the glycol-water
mixture ............................................................................... 7
4. Commissioning ................................................... 7
5. Function .............................................................. 9
6. Indication and adjustment channels ................ 9
6.1 Heat quantity ........................................................... 10
6.2 Flow and return temperatures ............................ 10
6.3 Volumetric flow rate.............................................. 10
6.4 Power ........................................................................ 10
6.5 Reset balance .......................................................... 10
6.6 Antifreeze type ....................................................... 10
6.7 Antifreeze................................................................. 10
6.8 Type of flowmeter .................................................. 11
6.9 Impulse rate ............................................................. 11
6.10 Subaddress ............................................................... 11
6.11 Bus mode ................................................................. 11
6.12 Bus master ............................................................... 11
6.13 Sensor offset............................................................ 12
6.14 Language ................................................................... 12
6.15 Temp. unit ................................................................. 12
6.16 Flow unit .................................................................. 12
6.17 Energy unit ............................................................... 12
6.18 Reset ......................................................................... 12
6.19 Version ...................................................................... 12
7. Examples of connection .................................. 13
7.1 iSolar WMZ module in individual operation
mode .......................................................................... 13
7.2 iSolar WMZ with controller ................................ 13
7.3 Cascade without controller ................................. 13
7.4 Cascade with controller ....................................... 13
8. Troubleshooting ............................................... 14
Safety advice:
Please read the following information carefully before in-
stalling and operating the controller. In this way damage to
the solar system caused by wrong installation will be avoid-
ed. Please make sure that the mounting is adapted to the
characteristics of the building, that the local regulations are
respected and is conform with the technical rules.
Please pay attention to the following safety advice in order
to avoid danger and damage to people and property.
Description of symbols
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.
Information about the product
Proper usage
The iSolar WMZ is to be used for the measurement and the
display of heat quantity and other system data in compliance
with the technical data specified in this manual. Improper
use excludes all liability claims.
note
Strong electromagnetic fields can impair the
function of the controller.
Î
Make sure the controller as well as the
system are not exposed to strong electro-
magnetic fields.
Instructions:
Attention should be paid to
• Valid national and local standards and regulations
• Respective valid standards and directives
Equipment to be installed and used in accordance with the
rules of the National Electrical Code (NEC) or with Cana-
dian Electrical Code (CEC), Part I.
These instructions are exclusively addressed to authorized
skilled personnel.
• Only qualified electricians should carry out installation
and maintenance work.
• Initial installation should be carried out by qualified per-
sonnel
Î
Arrows indicate instruction steps that should be carried
out.
general
Warnings are indicated with a warning
triangle!
They contain information on how to avoid
the danger described.
