Mark MISTRAL MDX 33 Manual de usuario
MARK MISTRAL MDX 33/56
0662080
Technical manual EN
2
EN
3
READ THIS DOCUMENT BEFORE
INSTALLING THE HEATER
Warning
Incorrect installation, adjustment, alteration, repair or maintenance work may
lead to material damage or injury. All work must be carried out by certified,
qualified professionals. If the appliance is not positioned in accordance with the
instructions, the warranty shall be rendered void. This appliance is not intended
for use by children or persons with a physical, sensory or mental handicap, or
who lack the required experience or expertise, unless they are supervised or have
been instructed in the use of the appliance by somebody who is responsible for
their safety. Children must be supervised to ensure that they do not play with the
appliance.
1 General
1.1 Application
Appliance type MISTRAL MDX is solely suitable for the free and direct intake of the air to
be heated and the free discharge of heated air into the room. If areas are to be heated
in which corrosive vapours are present (chlorinated hydrocarbons in particular), which
are either produced directly in the area, or which may be drawn in from the outside by
the heater via a duct or an open connection, wall air heaters cannot be used because
of the risk of corrosion to the heat exchanger.
Subject to change
The manufacturer is committed to constantly improving its products and reserves
the right to make changes in the specifications without prior notice. The technical
details are considered correct but do not form the basis for a contract or warranty. All
orders are accepted according to the standard terms of our general sales and delivery
conditions (available upon request). The information in this document is subject to
change without notice. The most recent version of this manual is always available at
www.markclimate.com/downloads.
1.2 General warnings
Incorrect installation, adjustment, alteration, maintenance or repair of the MISTRAL
MDX may lead to material or environmental damage and/or injuries. The appliance
should therefore be installed, adapted or converted by a qualified and certified
installer, taking into account national and international regulations. Faulty installation,
adjustment, alteration, maintenance activity or repair shall render the warranty void.
4
2 Technical specifications
2.1 Technical specifications
Type MDX 33 MDX 56
Specifications indoor unit
Weight kg 94 157
Air flow max m3/h 6600 11200
Sound pressure level (5 mtr.) at max air flow dB(A) 53 56
Throw m 19 22
Pipe diameter Liquid Ø mm (inch) 12,7 (1/2”) 15,8 (5/8”)
Gas Ø mm 28 28
Power supply Ph/V/(Hz)kW 1/230/(50)0,24 1/230/(50)0,48
Temperature range Cooling °C +17 ~ +43 +17 ~ +43
Heating °C +7 ~ +25 +7 ~ +25
Condensate1kg/h 12 19
1 Indoor air temperature 27°C and 50% humidity
2.2 Dimensions
MDX 33 MDX 56
A
940
A
879
70 147
662
I
560
H
26 G26
G2626
M10
D C
F
E
180
154
61
102
B
47
n
40
J
Type A B C D E F G H I J K
MDX 33 1170 399 178 156 28 1/2” 1118 105 68 404 47
MDX 56 1800 373 206 154 28 5/8” 1748 140 33 389 47
EN
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2.3 Assembly suggestions
3 Unit Placement and Installation
3.1 Positioning the appliance
After unpacking, check the appliance for damage. Check that the information relating
to the type/model and the electrical voltage is correct. Place the appliance and any
accessories to a sufficiently solid structure, taking into account the minimum free
space required.
3.2 Indoor units
3.2.1 Placement considerations
Placement of indoor units should take account of the following considerations:
»Indoor units should not be exposed to direct radiation from a high-temperature
heat source.
»Indoor units should not be installed in positions where dust or dirt may affect heat
exchangers.
»Indoor units should not be installed in locations where exposure to oil or to corrosive
or harmful gases, such as acidic or alkaline gases, may occur.
»Indoor units should be installed in well-drained, well-ventilated positions that are
as close as possible to the outdoor units.
»If applicable, sufficient space for drain piping and for access during servicing and
maintenance should be allowed.
»To ensure a good cooling/heating effect, short-circuit ventilation (where outlet air
returns quickly to a unit’s air inlet) should be avoided.
»To prevent excessive noise or vibration during operation, suspension rods or other
weight-bearing fixings should typically be able to bear twice the unit’s weight.
»Before installing an indoor unit, check that the model to be installed is as specified
in the construction drawings and confirm the correct orientation of the unit.
»Ensure that units are installed at the correct height.
»To allow smooth condensate drainage and to ensure unit stability (to prevent
excessive noise or vibration), ensure that units are level to within 1° of the horizontal.
If a unit is not level to within 1° of the horizontal, water leakage or abnormal vibration/
noise may occur.
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3.2.2 Spacing
For indoor units to function properly, a sufficient air flow through the heat exchanger
must take place. The spacing of the indoor units must take into account that sufficient
air may flow through each unit. Figures 3.1 to 3.3 show spacing requirements in three
different scenarios.
Figure 3.1 Top view
A
A
45°
min
90°
max
A
min50
mm
min 1800mm
min 1000 mm
min 600 mm
min 1000 mm
TOPVIEW SIDEVIEW
Figure 3.2 Side view
A
A
45°
min
90°
max
A
min50mm
min 1800mm
min 1000 mm
min 600 mm
min 1000 mm
TOPVIEW SIDEVIEW
Figure 3.3 Front view
3.2.4 Acceptance and unpacking
»When units are delivered, check whether any damage occurred during shipment.
If there is damage to the surface or outside of a unit, submit a written report to the
shipping company.
»Check that the model, specifications and quantity of the units delivered are as
ordered.
»Check that all accessories ordered have been included. Retain the technical manual
for future reference.
3.2.5 Hoisting
»Do not remove any packaging before hoisting. If units are not packaged or if the
packaging is damaged, use suitable boards or packing material to protect the units.
»Hoist one unit at a time, using two ropes to ensure stability.
EN
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3.3 Condensate drain (optional)
If the Mistral MDX is used for heating only, a condensate drain is not necessary.
Type MDX 33 MDX 56
Condensate1kg/h 12 19
1 Indoor air temperature 27°C and 50% humidity
3.3.1 Condensate drain with natural progression
The condensate drain must meet the criteria as described in the manual of the outdoor
unit.
Figure 3.3 Condensate drain without pump
B
n40
A
Type A B
MDX 33 404 47
MDX 56 389 47
3.3.2 Condensate drain with condensate pump
If there is a condensate drain pump in the Mistral MDX. Then the pipe to drain the
condensed water must be connected to the Mistral MDX. The drain must meet the
criteria as described in the manual of the outdoor unit.
Figure 3.4 Condensate drain with pump
A
B
Type A B
MDX 33 102 61
MDX 56 102 61
8
Figure 3.5
Discharge head (m)
Flow rate (l/h)
3.4 Outdoor units
For placement of the outdoor unit, please see the technical manual of the specific
outdoor unit.
4 Maintenance
4.1 Cleaning
For optimal performance, the Mistral MDX has to be cleaned on a regular basis.
4.2 Cleaning air diverter plate
An air diverter plate is present in the Mistral MDX. This serves to divert the blown air
over the battery. As a result, no high speed differences arise.
The air diverter plate becomes dirty over time, which affects the functioning. The plate
should be cleaned annually or more often if necessary. The Mistral MDX 33 has one
diverter plate, the Mistral MDX 56 has two diverter plates. These two diverter plates are
connected to each other shown in Figure 4.1. Take this into account while removing
and placing back the diverter plates.
EN
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Figure 4.1 Cleaning air diverter plate
4.3 Replacing a broken condensate pump
When the condensate drain pump breaks down, it must be replaced. The location of
the pump is shown in the figure.
Figure 4.4 Replacing a broken condensate pump
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4.3 Positioning sensors
T1 = Incoming air temperature
T2A = Average battery temperature
T2 = Incoming refrigerant temperature
T2B = Outgoing air temperature
TA = Outgoing refrigerant temperature
There are five sensors in the Mistral MDX. These are mounted in the places as shown
in the Figures 4.5-4.8. If one or more sensors fail, they must be replaced. Sensor T1 can
be replaced via the control box. To replace the other four sensors, it is first necessary
to disassemble the outlet louvre.
Figure 4.5 Position sensors
Temperature sensorExtension wire
T2B
WhiteWhiteWhite
Black BlackBlack
Red Red
White
T2A
Blue
BlackBlack
BlueBlue
Red
T1, TA
T2A, T2,
T2B
Figure 4.6 Position sensors
T2
T1
T2A
TA
T2B
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