Product Description; Scope Of Delivery; Safety; Installation - Novasina PascalMaxx +/-50Z Operating Instructions Manual

1. Product description

The Novasina PascalMaxx transmitters are robust
precision measuring instruments for the use in
climate control systems (HVAC). They measure per-
manently the differential pressure, display the values
on a big LCDisplay, provide an accurate analogue
output or a relay contact signal.
The PascalMaxx is available in 3 versions, with
measurement range -50..+50 / 0...500 / 2'000 Pa
with auto zero calibration.
Special features :
• Big LC-Display
• Easy and intuitive menu (3 buttons on front
keypad)
• 1 analogue output (U / I) freely scalable
• 1 integrated relay switch (230V)
• Adjustment capabilities at 2 points (offset and
gain)
offset is adjusted automatically by a valve
• Password protection for all settings
• Keylock
• Various selectable display measurement units
• Permanent online monitoring of all functions

2. Scope of delivery

The PascalMaxx delivery contains:
• Differential pressure measuring instrument
• Strain relief plate including screw set and
4 pcs distance holder
• Operating manual
• Mounting instructions
Check the completeness of the delivery. Incom-
plete deliveries will be replaced by your Novasina
distributor.

3. Safety

• The instruments leave the factory in a faultless
condition. No inappropriate manipulations or
modifications are allowed. Please consider all
notices and warning signs on the instrument and
in this operating manual.
• The PascalMaxx instrument has been developed
only for the measurement in fresh air environ-
ments within the defined specifications. Use and
run the instrument only for this purpose. In case
of other utilisation beyond the intended use, the
supplier declines all eventually caused damages.
All risks are assumed by the user.
• The installation work shall be only done by skilled
personnel (electrician or similar).
• The PascalMaxx instrument may only be ope-
rated under the specified operating conditions
mentioned in this manual.
• Anywhere faults may occur and cause damages
to material and people, additional safety precau-
tions have to be implemented. In case of any
faults, the defined operating conditions have to
be assured (e.g. limit switch etc.).
• The PascalMaxx instrument is not adequate for
the installation in rooms with explosion hazard.
• The professional installation has to be effected
by observance of the local electrical installation
regulations as well as this operating manual.
• The PascalMaxx contains ESD-sensitive parts.
Please follow the indicated safety measures.
• Use only original Novasina accessories and
spare parts.
• Without any written approval by Novasina no ad-
aptations and modifications shall be undertaken
on the PascalMaxx.

4. Installation

1. Read carefully this operating manual prior to start
with the installation of the PascalMaxx.
2. Check the performance data on the label fixed
on the instrument and make sure that they cor-
respond with your application. Is the instrument
suitable for your application?
3. Choose the adequate mounting place according
to the application and specifications.
4. Respect unconditionally the device specifications
and the maximum permissible concentration of
chemical burden in working environments.
5. Avoid to expose the instrument and the sensing
element to a corrosive environment.