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REMKO MVD 222 Handleiding

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Operating and
installation instructions
Read the instructions prior to performing any task!
REMKO MVD series
MVD 222, MVD 282, MVD 362, MVD 452
Ceiling cassettes for cooling or heating
0213-2019-03 Edition 1, en_GB
R410A
Refrigerant
Translation of the original
Read these operating instructions carefully before commis-
sioning / using this device!
These instructions are an integral part of the system and must
always be kept near or on the device.
Subject to modifications; No liability accepted for errors or mis-
prints!
Table of contents
1 Safety and usage instructions............................................................................................................. 4
1.1 General safety notes....................................................................................................................... 4
1.2 Identification of notes...................................................................................................................... 4
1.3 Personnel qualifications.................................................................................................................. 4
1.4 Dangers of failure to observe the safety notes................................................................................ 4
1.5 Safety-conscious working............................................................................................................... 4
1.6 Safety notes for the operator........................................................................................................... 5
1.7 Safety notes for installation, maintenance and inspection.............................................................. 5
1.8 Unauthorised modification and changes......................................................................................... 5
1.9 Intended use................................................................................................................................... 5
1.10 Warranty........................................................................................................................................ 5
1.11 Transport and packaging............................................................................................................... 6
1.12 Environmental protection and recycling........................................................................................ 6
2 Technical data........................................................................................................................................ 7
2.1 Unit data.......................................................................................................................................... 7
2.2 Unit dimensions............................................................................................................................... 8
3 Design and function.............................................................................................................................. 9
3.1 Unit description............................................................................................................................... 9
3.2 Combinations................................................................................................................................ 10
4 Operation............................................................................................................................................. 12
4.1 General notes................................................................................................................................ 12
4.2 Display on indoor unit.................................................................................................................... 12
4.3 Keys on the remote control........................................................................................................... 13
5 Installation Instructions for qualified personnel.............................................................................. 20
6
Installation........................................................................................................................................... 21
7 Condensate drainage connection and safe drainage...................................................................... 26
8 Electrical wiring................................................................................................................................... 27
8.1 General connection and safety instructions.................................................................................. 27
8.2 Unit connection............................................................................................................................. 27
8.3 Electrical wiring diagram............................................................................................................... 29
8.4 Electrical drawings........................................................................................................................ 30
8.5 DIP switch, functions..................................................................................................................... 31
9 Commissioning................................................................................................................................... 33
10 Troubleshooting and customer service............................................................................................ 34
10.1 Troubleshooting.......................................................................................................................... 34
10.2 Fault analysis.............................................................................................................................. 37
10.3 Resistances of the temperature probes...................................................................................... 41
11 Care and maintenance........................................................................................................................ 42
12 Shut-down............................................................................................................................................ 44
13 Exploded view of the unit and spare parts list................................................................................. 45
13.1 Exploded view of the unit MVD 222-452..................................................................................... 45
13.2 Spare parts list MVD 222-452..................................................................................................... 46
14 Index..................................................................................................................................................... 47
3
1.6 Safety notes for the operator
The operational safety of the units and compo-
nents is only assured providing they are used as
intended and in a fully assembled state.
n The units and components may only be set up,
installed and maintained by qualified per-
sonnel.
n Protective covers (grille) over moving parts
must not be removed from units that are in
operation.
n Do not operate units or components with
obvious defects or signs of damage.
n Contact with certain unit parts or components
may lead to burns or injury
.
n The units and components must not be
exposed to any mechanical load, extreme
levels of humidity or extreme temperature.
n Spaces in which refrigerant can leak sufficient
to load and vent. Otherwise there is danger of
suffocation.
n All housing parts and device openings, e.g. air
inlets and outlets, must be free from foreign
objects, fluids or gases.
n The units must be inspected by a service tech-
nician at least once annually. Visual inspec-
tions and cleaning may be performed by the
operator when the units are disconnected from
the mains.
1.7 Safety notes for installation,
maintenance and inspection
n Appropriate hazard prevention measures must
be taken to prevent risks to people when per-
forming installation, repair
, maintenance or
cleaning work on the units.
n The setup, connection and operation of the
units and its components must be undertaken
in accordance with the usage and operating
conditions stipulated in this manual and comply
with all applicable regional regulations.
n Local regulations and laws such as Water
Ecology Act must be observed.
n The power supply should be adapted to the
requirements of the units.
n Units may only be mounted at the points pro-
vided for this purpose at the factory. The units
may only be secured or mounted on stable
structures, walls or floors.
n Mobile units must be set up securely on suit-
able surfaces and in an upright position. Sta-
tionary units must be permanently installed for
operation.
n The units and components should not be oper-
ated in areas where there is a heightened risk
of damage. Observe the minimum clearances.
n The units and components must be kept at an
adequate distance from flammable, explosive,
combustible, abrasive and dirty areas or
atmospheres.
n Safety devices must not be altered or
bypassed.
1.8
Unauthorised modification
and changes
Modifications or changes to units and components
are not permitted and may cause malfunctions.
Safety devices may not be modified or bypassed.
Original replacement parts and accessories
authorised by the manufactured ensure safety
. The
use of other parts may invalidate liability for
resulting consequences.
1.9 Intended use
Depending on the model, the units and the addi-
tional fittings with which they are equipped are only
intended to be used as an air-conditioner for the
purpose of cooling or heating the air in an
enclosed space.
Any different or additional use is a non-intended
use. The manufacturer/supplier assumes no lia-
bility for damages arising from a non-intended use.
The user bears the sole risk in such cases.
Intended use also includes working in accordance
with the operating and installation instructions and
complying with the maintenance requirements.
The threshold values specified in the technical
data must not be exceeded.
1.10 Warranty
For warranty claims to be considered, it is essential
that the ordering party or its representative com-
plete and return the "certificate of warranty" to
REMKO GmbH & Co. KG at the time when the
units are purchased and commissioned.
The warranty conditions are detailed in the "Gen-
eral business and delivery conditions". Further-
more, only the parties to a contract can conclude
special agreements beyond these conditions. In
this case, contact your contractual partner in the
first instance.
5
2 Technical data
2.1 Unit data
Series MVD 222 MVD 282 MVD 362 MVD 452
Operating mode
Ceiling cassette for inverter multisplit outdoor units for
cooling or heating
Nominal cooling output
1)
kW 2.20 2.80 3.61 4.50
El. rated power consump., cooling
1)
W 35 35 40 50
Nominal heat capacity
2)
kW 2.50 3.20 4.00 5.00
El. rated power consump., heating
2)
W 35 35 40 50
Application area (room vol.), approx.
m
3
70 90 110 140
Refrigerant piping R410A
Max. operating pressure kPa 44
Adjustment range, room temperature °C +17 to +30
Air flow volume per stage
m
3
/h
405/441/462/503/
524/552/576
400/434/478/516/
541/573/604
Sound pressure level per stage
3)
dB (A) 35/34/33/29/26/23/22 28/29/30/32/35/38/41
Sound power per stage dB (A) 38/39/42/45/49/50/51 43/44/45/47/50/53/56
Power supply V/Ph/Hz 230/1~/50
Enclosure class IP X0
Refrigerant liquid pipe connection
Inches
(mm)
1/4 (6.35)
Refrigerant suction pipe connection
Inches
(mm)
1/2 (12.70)
Condensate drainage connection mm 25
Condensate pump, flow rate, max. mm WS 500
Cassette dimensions
Length/width/depth mm 630/570/260
Weight kg 18.0 19.2
Cover dimensions
Length/width/depth mm 647/647/50
Weight kg 2.5
EDP no. 1623552 1623557 1623562 1623567
1)
Air intake temperature TK 27 °C / FK 19 °C, outside temperature TK 35 °C, FK 24 °C, 7.5 m pipe length
2)
Air intake temperature TK 20 °C, outside temperature TK 7 °C, FK 6 °C, 7.5 m pipe length
3)
Frontal measurement, distance 1 m, measured in semi-anechoic chamber
7
2.2 Unit dimensions
647
570
545
523
570
647
630
280
1
2
260
d = 25
647
50
3
570
4
67
Fig. 1: Dimensions MVD 222-452 (all measurements in mm)
1: Suction gas pipe connection
2: Liquid pipe connection
3: Condensate drainage line connection
4: Housing, electronic expansion valve
We reserve the right to modify the dimensions and design as part of the ongoing technical development
process.
REMKO MVD series
8
3 Design and function
3.1 Unit description
The indoor unit is used to extract heat from the
indoor room being cooled. The outdoor unit then
expels this heat to the outside.
If combined heating/cooling units are operated as
heaters, the heat absorbed by the outdoor unit can
be discharged by the indoor unit into the room
being heated.
The unit series has the "Heating" priority
, i.e. the
units that are in heating or automatic mode can
switch off other units in the system that are running
in cooling mode.
The unit is designed to be mounted high up on the
wall, in an indoor area.
It is operated by an infrared remote control.
The indoor unit consists of a fin evaporator, evapo-
rator fan, controller and condensate tray. The
indoor unit can be combined with REMKO outdoor
units from the MVV range that provide sufficient
combination options. The outdoor unit is controlled
by the regulation of the indoor unit.
A cabled remote control and a condensate pump
are available as accessories.
A
1a
1b
7b
3 3
7a
8b8a
9b9a
5
6
4
3
2
4
B
Fig. 2: System layout
A: Outdoor area
B: Indoor area
1 a,b: Indoor units
2: Outdoor unit
3: Condensate drainage line
4: Condenser fan
5: Mains cable
6: Shut-off valve
7 a,b: Suction pipes
8 a,b: Liquid pipes
9 a,b: Control lines
Refrigerant piping is used to connect the indoor
unit to the outdoor unit.
2
1
4
3
5
EC
Fig. 3: Cooling cycle schematic
1: Evaporator
2: Evaporator fan
3: Suction pipe connection
4: Liquid pipe connection
5: Expansion valve
9
3.2 Combinations
The MVD 222-452 indoor units can be used together with the MVV series outdoor units.
Selection of the indoor units to be connected takes place solely according to the maximum refrigerating
capacity of all indoor units to be connected. Max. 130 %.
The power factor takes into account the fact that all indoor units are never required to deliver 100% capacity
at the same time.
The design of the system and the inclusion of the power factor must always take place with consideration to
the local conditions!
Outdoor unit
T
ype
Power Power factor
Maximum refrigerating capacity of the indoor
units to be connected
MVV 1200 DC 12.0 kW 130 % 15.6 kW
MVV 1600 DC 16.0 kW 130 % 20.8 kW
MVV 2000 DC 20.0 kW 130 % 26.0 kW
MVV 1200 DC Duo 24.0 KW 130 % 31.2 kW
MVV 1600 DC Duo 32.0 kW 130 % 41.6 kW
MVV 2000 DC Duo 40.0 kW 130 % 52.0 kW
In the following you will find example installations for the MVV series with the indoor units from the MVW,
MVD series and MXV
A
B
2
1
3
4
Fig. 4: connection possibilities on one level
A: Outdoor area
B: Indoor area
1: Outdoor unit
2: Indoor units of the series MVW, MVD or MXV
3: Distributor
4: Y-distributor
REMKO MVD series
10
Activate/deactivate delayed switching on and
off
1. The unit switch-on delay can be activated
with the
key. After pressing this key,
“T
imer on” and “0.0h Later On” appear on the
IR remote control display.
The time can be set by pressing the
or
keys.
2. The unit switch-of
f delay can be activated
with the
key. After pressing this key,
“Timer off” and “0.0h Later Off” appear on the
IR remote control display.
The time can be set by pressing the or
keys.
The time is set in 0.5 hour increments by
pressing the key for a longer period of time. If
the setting is greater than 10 hours, the settings
are made in 1 hour increments. The maximum
switch-on or switch-off delay is 24 hours.
To exit the setting mode, the time must be reset to
0.0h.
The “Switch-on delay” and “Switch-of
f delay” func-
tions can also be combined.
Locking the IR remote control
By pressing the
key (pin required), all functions
of the IR remote control can be disabled (except
Lock, Cooling or Heating only
, and the Addressing
function).
1.
After pressing the
key, the lock symbol
appears on the IR remote control display.
The IR remote control can no longer be oper-
ated.
2. The key lock can be deactivated by pressing
the key again. The symbol goes out.
Activating the “Cooling only” function
The IR remote control is factory programmed for
the cooling and heating functions. The “Cooling
only” function can be activated or deactivated by
pressing the
key. Selecting the heating mode is
then no longer possible when the function is acti-
vated.
17
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