Recommendations for Installation of Unit Functional
Blocks 10
Wiring Diagram 11
Air ow 11
Smarty 2X/3X V connection possibilities 11
Technical data 12
Filter 12
Air ow Diagrams 13
Smarty 2X V dimensions 14
Smarty 3X V dimensions 15
Mounting 16
Mounting on wall 16
Mounting on Legs 16
Connection of the unit to electric network 17
Drainage 18
Control Board and its Functions 18
Descriptions of Unit Functions 19
1.1 System modes 19
1.2 System Control 19
1.3 System status 20
1.4 Indications of Functions, Alarms and Warnings 20
1.5 Setting Date and Time 20
1.6 Weekly Schedule 20
1.7 Holiday Schedule 20
1.8 Winter/Summer Mode 20
1.9 “BOOST” Function 21
1.10 Protection against Dryness 21
1.11 Night Cooling Function (not available in Smarty
2X/3X V 1.1, 1.2 versions) 21
1.12 Air Filter Timer 21
1.13 Display and Cancellation of Alarms and Warnings
21
1.14 Event Log (History) 22
1.15 System Versions and Running Time 22
1.16 Air Flow Adjustment 22
1.17 PID Controller Adjustment 23
1.18 Manual Control of Components 23
1.19 System Monitoring 23
1.20 Stand-By Mode Blocking 23
1.21 Supply Air Temperature Control and Compensati-
on 23
1.22 Supply Air Temperature Limits 23
1.23 Mode from an External System Contactor 23
1.24 Fan Speeds from an External System Contactor
24
1.25 Filter Protections 24
1.26 Fire Protection against External System Contac-
tor 24
1.27 CO2 Reduction Function (only using additional
extract air CO2 sensors) 24
1.28 Changing Passwords 24
1.29 Restoring Factory Defaults 24
1.30 Fan Control 24
1.31 Damper Control 25
1.32 Heat Exchanger Control 25
1.33 Heaters 26
1.34 Digital Input Conguration 26
1.35 Sensor Conguration 26
1.36 Communications Line Conguration 26
Principle mounting diagram Smarty 2X/3X V 1.1 28
Principle mounting diagram Smarty 2X/3X V 1.2 29
Principle mounting diagram Smarty 2X/3X V 1.3 30
The principal connection scheme of internal and external
components 31
The principal connection scheme of internal and external
components 32
The principal connection scheme of internal and external
components 33
The principal connection scheme of internal and external
components 34
The principal connection scheme of internal and external
components 35
The principal connection scheme of internal and external
components 36
The principal connection scheme of internal and external
components 37
The principal connection scheme of internal and external
components 38
System protection 39
System protection 39
Recommendations before the start of the unit (before
the nal user) 39
Possible faults and troubleshooting 39
Sensors and their technical information 39
Fire Protection Signal Input (Fire protection input
(NC)) 44
Outdoor Air Pre-Heater 44
Pre-Heater Capacity by Regions 45
System mode ir Fan speed switch 45
Supply air CO2 or RH (input 0-10VDC) 45
Extract air CO2 or RH (input 0-10VDC) 46
Room CO
CO2 concentration according to Pettenkofer limit 47
transmitter installation recommendation 46
2
Smarty 2X/3X V 1.1 Version - Heater Control 47
Smarty 2X/3X V 1.2, 1.3 Versions - Heater Control 49
Connection of Supply and Extract Air Dampers 51
Connection of Remote Control Panel or ModBus 51
Operation and Alarm Indication (Smarty 2X/3X V 1.1)
51
Fire Place Connection (Smarty 2X/3X V 1.1) 52
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LED indication 52
Smarty 2X V Accessories 53
Smarty 2X V Spare Parts 54
Smarty 3X V Accessories 55
Smarty 3X V Spare Parts 56
Warranty 57
Unit’s maintenance table 58
Stick the auxiliary label on the unit (on an easily accessible place) or on the
dashed place of a technical manual in order to keep the important information about the unit.
1 – Logo
2 – Internal usage code
3 – Brand name
4 – Technical data
5 – Units number
6 – Web address
STICK HERE
• All units are packed in the factory to withstand regular conditions of transportation.
• Upon unpacking, check the unit for any damages caused during transportation. It is forbidden to install damaged units!!!
• The package is only for protection purpose!
• While unloading and storing the units, use suitable lifting equipment to avoid damages and injuries. Do not lift units by holding on power supply
cables, connection boxes, air extract or exhaust anges. Avoid hits and shock overloads. Before installation units must be stored in a dry room with
the relative air humidity not exceeding 70% (at +20 °C) and with the average ambient temperature ranging between +5 °C and +30 °C. The place of
storage must be protected against dirt and water.
• The units must be transported to the storage or installation site using forklifts.
• The storage is not recommended for a period longer than one year. In case of storage longer than one year, before the installation it is necessary
to verify whether the bearings of fans and motor rotate easily (turn the impeller by hand) and if the electric circuit insulation is not damaged or the
moisture is accumulated.
8
0
0
m
m
Smarty 2X VSmarty 3X V
m
m
35
3
mm
5
2
6
485 mm
700 mm
2160 mm
755 mm
8
m
m
0
0
7
0
0
m
m
0 mm
0
7
700 mm
585 mm
585 mm
912 mm
1058 mm
700 mm
2120 mm
585 mm
4
Preparation for transportation
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Smarty 2X VSmarty 3X V
Smarty 2X/3X V
1
2
3
4
Standard package (without optional accessories) includes:
1. Key - 1 pc.
2. Sealing tape FIX-PV 6x20
3. Suspension bracket - 1 pc.
4. Condensate outlet pipe G3/8 - 1 pc.
- Do not use the unit for purposes other than its’ intended.
- Do not disassemble or modify the unit in any way which may lead to mechanical failure or injury.
- Use special clothing and be careful while performing maintenance and repair jobs – the unit’s and its components’ edges may be sharp and cutting.
- Do not wear loose clothing that could be entangled in to operating unit.
- Do not place ngers or other foreign objects through inlet or exhaust guards or into connected duct. If a foreign object enters the unit, immediately
disconnect power source. Before removing object, make sure that any mechanical motion has stopped, the heater has cooled down and the restart is
not possible.
- Do not connect to any other power source than indicated on the model label.
- Do not place or operate unit on unsteady surfaces and mounting frames.
- Mount the unit rmly to ensure safe operating.
- Never use this unit in any explosive or aggressive elements containing environment.
- Do not use the unit if external connections are broken or damaged. If there are any defects, stop operating the unit and replace the damaged parts immediately. That can be performed only by qualied electrician.
- Do not use water or another liquid to clean electrical parts or connections.
- If you notice water on electrical parts or connections, stop operating the unit.
Smarty 2X/3X V are residential air handling unit with a high eciency (up to 90 %) counter ow heat exchanger. The unit provides ventilation in the
home and takes the heat from the exhausted air. AHU complies with ErP 2018 and Passivhaus requirements. The unit is operated by a separate
remote control panel or though separate MB-Gateway by PC. Remote control panel and MB-Gateway are optional and not included in standard package. Control functions depend on selected control board type: MiniMCB or MiniMCB basic.
Smarty 2X/3X V operates within the limits of the airow diagrams and is suitable for indoor operation only. Required ambient temperatures must be
from +5 oC to +40 oC. For the cold climate zones (air temperatures below -6 oC), integrated or optional pre-heater is required.
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5
Smarty 2X/3X V
1
2
3
4
5
6
7
15
14
13
12
11
8
9
10
Smarty 2XV, 3XV are available in three versions:
Optional heating elements
*- only pre-heater or
Product name
Control board
Type
Heat recovery
Temperature
control
Bypass damper
(lter pollution
Pressure sensor
monitoring)
heater
Duct based
Integrated pre-
Smarty 2X V 1.1Mini MCBPremium+++-+-+
Smarty 2X V 1.2Mini MCB BasicAdvanced+++--+*
Smarty 2X V 1.3Mini MCB BasicBasic++---+*
Smarty 3X V 1.1Mini MCBPremium+++++-+
Smarty 3X V 1.2Mini MCB BasicAdvanced+++--+*
Smarty 3X V 1.3Mini MCB BasicBasic++---+*
Not suitable for swimming pools, saunas and other
similar facilities.
Smarty 2X VSmarty 3X V
8
1
2
3
4
5
6
7
9
10
11
12
13
14
15
1
2
3
4
5
6
7
Air Pre-
Heater
heater
Duct based
Air Heater
8
9
10
11
12
13
14
15
16
16
1. Flange 4 pcs.
2. Outdoor air temperature sensor (TL)
3. Outdoor air lter (G4/(F7 - optional)) and the EPP cover*
4. Extract air sensor (TA)**
5. Bypass damper (M1)**
6. Preheater (PE1)**
7. Extract air lter (G4) and the EPP cover*
10. Control board.
11. Supply air fan (PV)**
12. Exhaust air fan (IV)**
13. Galvanized steel casing
14. EPP casing
15. Heat exchanger
16. Condensate tube plugs
8. Supply air sensor
9.CE7/7 power supply cable - 3 m.
*Filter EPP cover only on Smarty 3X V.
** Depends on unit type.
• Unit is designed to operate only indoors.
• It is forbidden to use the unit in potentially explosive environment.
• Unit is designed to supply/extract only clean air (free of chemical compounds causing metal corrosion, of substances aggressive to zinc, plastic and
rubber, and of particles of solid, adhesive and bred materials).
Outdoor
- temperature min./max. [°C]
- humidity[%]90
-15 / +40**
-40 / +40***
-5/ +40*
Extract
- temperature min./max.*
- humidity[%]60
[°C]+15 / +40
* - Outdoor air temeperature without preheater (Salda Antifrost o)
** - with integrated preheater (Smarty 2X/3XV 1.1) or Smarty 2X/3XV 1.2/1.3 (Salda Antifrost on)
*** - with optional preheater on duct
Salda Antifrost uses dis-balancing of the air ow and it may cause negative pressure in premises.
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Unplug unit from mains before opening the door (disconnect the power plug from the outlet or if there is a two-pole
automatic circuit breaker installed – disconnect it as well.
It is necessary to ensure that it won’t be turned on by third
parties) and wait until the full stop of the fans (for about 2
min.).
Smarty 2X VSmarty 3X V
Smarty 2X/3X V
Smarty 2X VSmarty 3X V
Remowing Smarty 2X V lters: key loosened and removable product
doors, removable lters. Uses G4 / (F7 - optional) lters.
Dirty lters increase air resistance, airow into the room.
Changing lters, lters reload timer control. Description
of remote control panel functions is provided in the remote
control panel technical documentation or on the website
www.salda.lt.
Allowed to operate the unit without lters!
Remowing Smarty 3X V lters: opening lter cover (pulling the strap),
It is advisable to change the lters every 3 - for 4 months,
or according to their testimony timer remote control.
• Maintenance should be performed only by experienced and trained sta.
• The fan should be inspected and cleaned at least once a year.
• Be sure the fan is disconnected from power source before performing any maintenance or repair.
• Observe sta safety regulations during maintenance and repair.
• The motor is of heavy duty ball bearing construction. The motor is completely sealed and requires no lubrication. Supplied air fan from X15, X2, X4.
Extract air fan from X16, X2, X4.
• Detach fan from the unit.
• Impeller should be specially checked for buil-up material or dirt which may cause an imbalance. Excessive imbalance can lead to accelerated wear
on motor bearings and vibration.
• Clean impeller and inside housing with mild detergent, water and damp, soft cloth.
• Do not use high pressure cleaner, abrasives, sharp instruments or caustic solvents that may scratch or damage housing and impeller.
• Do not plunge the motor into any uid while cleaning impeller.
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7
Smarty 2X/3X V
• Make sure, that impeller ’s balance weights are not moved.
• Make sure the impeller is not hindered.
• Mount the fan back into the unit. Connect the fan to power supply source.
• If after maintenance the fan does not start or stop itself, contact the producer. Malfunction of the fan can be identied according to the pressure in the
system (when pressure switches are connected). When there is a folt in fans’ motor, any separate notice is shown on the control panel.
Be sure the unit is disconnected from power source
before performing any maintenance or repair.
- Remove the fan connectors from the control board. Supplied air fan from X15, X2, X4. Extract air fan from X16, X2, X4.
Note:
- X2, X4 are common for both fans.
- Reassembly shall be executed in the reverse order.
X2
Smarty 2X V
X15
X4
X16
Smarty 3X V
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Smarty 2X/3X V
• Proceed to maintenance and repair after any rotation in the fan stopped.
• Clean the heat exchanger once a year.
• Firstly take out heat exchanger cassette carefully. Submerge it into a bath and wash with warm soapy water (do not use soda). Then rinse it with
weak hot water stream (too strong stream can fold the plates). Place back the heat exchanger only when it is completely dry.
Smarty 2X VSmarty 3X V
Bypass damper and pre-heater are mounted on one block. The pre-heater shall be disconnected by
removing X29 connector. The bypass damper shall be disconnected by removing X25 .
Smarty 2X VSmarty 3X V
X29
X25
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9
Smarty 2X/3X V
- Unscrew the front bolt securing the control board holder to the unit casing.
- Withdraw the automation through the front part.
- Disconnect the connectors from the control board.
- The connectors are marked according to connection location. Thus during automation reassembly please observe the marking of the connection
location of connectors and controller. If the marking on the controller terminals is not visible follow the PCB information provided in this passport (see
miniMCB description: Fig. 2 and Fig. 3):
Smarty 2X VSmarty 3X V
• All the metering, control and execution units shall be mounted in freely accessible locations for maintenance, repairs or replacement.
• Prior to handover to the user, the pre-commissioning activities shall be performed to ensure proper operation of the automatic control system of the
air handling unit. Power plug socket shall be installed at a distance to ensure unstrained power cable of the unit. Standard length of the unit power
cable shall be: ~2.5 m long from the unit casing.
Prior to connecting the unit to the mains, the door shall be closed.
The installed plug socket shall be of at least the same nominal current as the unit nominal current, which is indicated in the unit rating plate.
Unit shall be connected to the mains through the current leakage relay (30mA).
After complete dismantling of the unit control automation and its reinstallation, when connecting the
automation connectors, it is necessary to check if the
connector conductors are not damaged or otherwise
broken.
• Install the control panel at the designed location.
• Connect the connection cable supplied with the remote control panel kit between the control panel and the HVAC unit. It is recommended to install
the remote control board separately from the power cables.
NOTE: If the cable is used together with other power cables, the remote control panel cable shall be shielded with grounded shielding armour.
NOTE: the remote control panel shall be connected and/or disconnected only after disconnecting power supply to HVAC unit.
10
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Smarty 2X/3X V
Electrical equipment connection to the control board terminals. Control board connectors shall be of the following cross sectional area.
* Possibility to insert coupling of corresponding diameter
14
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80 mm
810 mm
900,5 mm
Smarty 2X/3X V
Ø 160 mm
Ø 150 mm
110 mm
170 mm
252 mm
116 mm
110 mm
406 mm
599 mm
386 mm
Ø 150 mm/160 mm*
224 mm
G3/8
265 mm
113 mm
284 mm
G3/8
538 mm
* Possibility to insert coupling of corresponding diameter
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15
Smarty 2X/3X V
40
mm
c
b
90
90
d
a
10
mm
10
mm
a
10
mm
b
c
14 mm
b
a
10
mm
10
mm
a
10
mm
b
b
a
10
mm
10
mm
• Installation should only be performed by qualied and trained sta.
• When connecting air ducts, consider the notices indicated on the casing of the unit.
• Before connecting to the air duct system, the connection openings of ventilation unit should be closed.
• When connecting the ducts , you should pay attention to the air ow direction indicated on the device housing.
• Do not connect the bends close to connection anges of the unit. The minimum distance of the straight air duct between the unit and the rst branch of
the air duct in the supply air duct must be 1xD, in air exhaust duct 3xD, where D is diameter of the air duct.
• It is recommended to use the accessories-holders. This will reduce vibration transmitted by the unit to the air duct system and environment.
• Enough space must be left for opening of the maintenance door and lter covers.
• If the installed ventilation unit is adherent to the wall, it may transmit noise vibrations to the premises. Though the level of noise caused by the fans is
admissible, it is recommended to mount the unit at the distance of 400 mm from the nearest wall. If it is not possible, the mounting of the unit is recommended on the wall of the room where the level of noise is not important.
• Ducts are connected to the unit in such way that they could be easily disassembled and the heater could be removed from the unit when performing
service or repair works.
Smarty 2X VSmarty 3X V
Unit mounting on wall:
a) To reduce the vibration stick the insulating tape on the unit‘s casing
side which touches the wall before mounting the unit on the wall.
b) The unit has to be mounted on the mounting brackets.
c) AHU mounting drawing.
Unit mounting on wall:
a) To reduce the vibration stick the insulating tape on the unit‘s casing
side which touches the wall before mounting the unit on the wall.
b) The unit has to be mounted on the mounting brackets.
c) AHU mounting drawing.
d) After the unit is mounted two wall bracket tabs has to be folded to 90o
angle by pliers to avoid the accident fall of the unit.
Legs are optional and not included in standard package.
16
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400 mm
Smarty 2X/3X V
L
2xL
• Supply voltage to the unit must be connected by a qualied specialist following the manufacturer’s instructions and eective safety instructions.
• The unit’s power network voltage must correspond to electrotechnical parameters of the unit indicated in the technical decal.
• The unit’s voltage, power and other technical parameters are provided in the unit’s technical decal (on the unit casing). The unit must be connected
to the voltage plug socket of the grounded power network in compliance with the eective requirements.
• The unit must be earthed according to the rules on installing electrical equipment.
• It is prohibited to use extension wires (cables) and power network plug socket distribution devices.
• Prior to carrying out any ventilation unit installation and connection activities (until its hand-over to the customer), the unit must be disconnected from
the power network.
• After installation of the ventilation unit, the power network plug socket must be accessible at any time and disconnection from the power network is
performed through the two-pole circuit breaker (by disconnecting phase pole and neutral).
• The unit must be thoroughly checked against damages (execution, control, measurement nodes) during transportation before it is connected to the
power network.
• The power cable can be replaced only by a qualied specialist upon the evaluation of the rated power and current.
The manufacturer does not assume any liability for
personal injuries and property damage due to nonconformance with the provided instructions.
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17
Smarty 2X/3X V
II
IV
I
VI
III
V
VII
VIII
It’s required to connect condensate drainage system after hanging or placement of
air handling unit. Insert condensate draining into AHU. Condensate draining must
1
2
3
Before every heating season the condensate tube shall be
lled with water as indicated during the rst start-up! Before
every heating season the condensate tube shall be lled
with water as indicated during the rst start-up!
be lubricated with sealant (I-VII). Then place plastic washer on the bottom and tighten with counter nut (VII). Pipe (3) (metal pipe should be connected with G3/8 elbow,
plastic pipe – with G3/8 elbow or rubber hose – with strap if the unit is placed on
the legs, in other cases condensate hose can be connected in any direction) should
be connected by following order: AHU (1), pipe (2), and drainage system. Pipes (3)
should be bended not less than 3° degrees (1 meter of pipe must be bended 60 mm
downwards)! Before turning on AHU (1) the draining system should be lled up with
at least 0.5 l of water (pipe loop (3) must be always lled with water), also check if
water reaches sewerage system! In other case premise can be ooded during AHU
operation!
Draining system must be installed in the premise where the temperature is not lower
than 1°C. If temperature falls below 0°C the draining system should be isolated with
thermal isolation. The pipe loop 2) not necessarily must be mounted below the AHU
(1), but below the AHU (1) level.
Note. If the collector is situated upstream, install a system with a condensate pump
(oered as an accessory).
3
D = min 150 mm
Air Handling Unit uses two types of boards, depending on the
selected product version: miniMCB or miniMCB basic. Their
functionality is dierent, thus check the board name by the
product version.
Control board functions and logics are designed according to Standards DIN 1946-6:2009-05 and EN 12098-3.
MCB control board can be controlled by: Ptouch remote control panel, Stouch remote control panel or MB - GATEWAY web application. Description of
remote control panel functions is provided in the remote control panel technical documentation or on the website www.salda.lt.
The unit can be congured only with Ptouch remote control
panel or MB-Gateway web application.
The following control board functions can be fully controlled
only with Ptouch remote control panel or MB-Gateway web
application. In case of Stouch remote control panel use the
description of remote control panel functions for MCB control
board.
18
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