Pool air dehumidifiers
MSTR / MSPR series

The double-flow ductable dehumidifier MSPR is designed for air dehumidification, heating and renewal along with heat recovery in roofed swimming pools and corrosive environments. Apart from the advantages of MSPR series, the MSTR version is equipped with a remote air condenser in addition to the internal one, which allows dissipating the excess condensation heat into the outdoor environment

Pool air dehumidifiers<br/> MSTR / MSPR series

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High-efficiency air dehumidifiers MSTR / MSPR are designed for comprehensive control of temperature, humidity, heat recovery and ambient air conditioning in roofed swimming pools and corrosive environments.

100 ... 4650 l/day

Dehumidification capacity:

Principle scheme

1
The mixed-flow plate heat recuperator allows recovering heat from the exhaust air, which is used to heat up the supply air. Pool version (standard): aluminium fins with protective coating.
2
Remote air condenser (for MSTR models, max. distance 30 m). The condenser dissipates the heat produced during dehumidification into the outdoor environment to prevent the ambient from overheating. The unit is used as an air conditioner.
3
The desuperheater connected in series to the compressor allows reducing the air temperature at the discharge into the pool, while recovering the refrigerant superheating energy by heating the water. It is available in versions designed either for process or chlorinated water (stainless steel AISI 316L).

Legend:

A – Compressor
B – Evaporator
C – Condenser
D – Auxiliary heating/cooling heat exchanger (on request)
E – Mixed-flow plate heat exchanger
F – Exhaust EC fan
G – Supply EC fan
H – Motorized valve
I – Remote condenser (in MSTR models)
J – desuperheater (on request)

The MSPR / MSTR units are ideal for swimming pools that not only require dehumidification but must also renew the indoor air without dispersing heat outdoors. The units of the MSPR / MSTR series are designed for use in small, medium and large swimming pools, where regulation of the humidity level and/or prevention of condensation phenomena is required, where a constant air exchange is necessary, even with 24-hour operation. The high efficiency recuperator guarantees efficiencies of up to 80% and the structure is particularly suitable for environments where there is the presence of corrosive substances such as chlorine.

Parameters:

Dehumidification capacity ranging from 100 l/day 4650 l/day
Air flow rate ranging from 900 m³/h to 35000 m³/h
Installation in the utility room
Galvanized steel panels, painted on the inside and outside
Finned heat exchangers with protective coating, suitable for use in a corrosive environment
Mixed-flow recuperator featuring aluminium fins with protective coating
Chlorine-proof electronic components
Stainless steel drainage pan
Electronic inverter centrifugal fan
Swimming pool water desuperheater (on request)

The MSPR/MSTR range uses only EC radial fans with built-in inverters with high energy efficiency. Mycond has developed sophisticated adjustment software to set, measure and control the air flow rate of the MSPR/MSTR dehumidifiers, eliminating any problems arising from incorrect calculation of the pressure drop in the ducting, thus making the installation of the dehumidifier and the commissioning of the system extremely simple and fast, reducing installation time and costs. These units are designed to be connected to rigid ducting. The series consists of 20 models, ranging from 100 L/day and 900 m³/h to 4.600 L/day and 35.000 m³/h.

Options

G4 or F7 filters
Water coil with modulating three-ways valve * (1)

Only heating
Only heating, oversized
Cooling/Heating
Cooling/Heating, oversized

*3, 4 Including condensate tray and insulation.

* It is possible to install only one water coil; for size up to 0300, on/off three-ways valve.

Free cooling kit: it allows to cool using external air when it temperature is lower than internal air
Silent version (2)
Soft-start
Manometers (3)
Hot gas defrost (mandatory in case of air temperature below 8°C)
Desuperheater for technical or pool water (4)
ACF: Automatic Control Flow; it allows to choose the air flow directly on the display and to keep it also in case of variable pressure drops due to the filters. (5)
Dirty filters sensor (6)
Temperature and humidity probe for duct installation (7)
Remote user terminal including 20 m cable (8)
Additional thermal insulation, thickness 20 mm or 40 mm
Serial board for BMS (9)

Modbus
LonWorks
BACnet
KNX

Ethernet ™ interface card, protocols available: SNMP v1 & v2c, BACnet / IP, BACnet Ethernet and Modbus TCP / IP
Version in two pieces (10)
Version for outdoor installation (11)
Contact for 0-10 V humidifier control (Humidifier not supplied by MYCOND)

Options for special applications

Special coils for aggressive ambient
Stainless steel AISI 316L panels
Power supply 60 Hz
Technical water condenser
Electric heaters
Pool water condenser

Seasonal operating mode

WINTER: start up, no occupants, covered pool, heating with hot water coil.
Compressor: OFF
Hot water coil: ON (optional)
Desuperheater: OFF (optional)
Remote condenser: OFF (MSPR models)
External air: OFF

WINTER: normal operation, pool open, dehumidification.
Compressor: ON
Hot water coil: OFF (optional)
Desuperheater: OFF (optional)
Remote condenser: OFF (MSPR models)
External air: ON

SPRING, AUTUMN: normal operation, pool open, dehumidification with heat recovery (desuperheater)
Free cooling operation mode available (optional).
Compressor: ON
Hot water coil: OFF (optional)
Desuperheater: ON (optional)
Remote condenser: OFF (MSPR models)
External air: ON

SUMMER: normal operation, pool open, dehumidification and cooling (remote condenser)
Compressor: ON
Hot water coil: OFF (optional)
Desuperheater: OFF (optional)
Remote condenser: ON (MSPR models)
External air: ON

Air flows:

Operating mode:

* For an optional electric heater, contact the manufacturer’s sales office.

Perfomance graph

Specifications	Units	MSTR/MSPR
		0100	0130	0160	0190	0210	0260	0300	0350	0450	0580
Dehumidifying capacity¹	L/Day	100	128	157	190	210	268	302	358	452	581
Recirculation air flow rate	m³/h	900	1200	1600	1600	2000	2800	2800	3800	4000	4800
Renewal air flow	m³/h	0 - 900	0 - 1200	0 - 1200	0 - 1200	0 - 2000	0 - 2000	0 - 2000	0 - 2000	0 - 2000	0 - 2000
Hot water coil capacity¹	kW	5,5	9,8	9,8	9,8	16,5	17	17	26,5	26,5	27
Heat recovery system efficiency²	%	70	70	70	70	70	70	70	70	70	70
Electric power supply	V/ph/Hz	230 / 1+N / 50				400 / 3+N /50
Dimensions, L x P x H	mm	550 x 1452 x 1320				850 x 1452 x 1320			850 x 1682 x 1769
Weight	kg	155	155	160	165	200	210	220	250	270	300

Specifications	Units	MSTR/MSPR
		0750	0950	1100	1400	1500	1700	1900	2200	3000	4500
Dehumidifying capacity¹	L/Day	760	955	1120	1380	1480	1710	1870	2180	2960	4650
Recirculation air flow rate	m³/h	7000	8200	11000	12500	13000	15000	15000	17000	20000	35000
Renewal air flow	m³/h	0 - 6000	0 - 6000	0 - 11000	0 - 12500	0 - 13000	0 - 13000	0 - 13000	0 - 13000	0 - 20000	0 - 28000
Hot water coil capacity¹	kW	48	55	76	83	98	107	107	118	168	235
Heat recovery system efficiency²	%	70	70	70	70	70	70	70	70	70	235
Electric power supply	V/ph/Hz	400 / 3+N / 50
Dimensions, L x P x H	mm	1400 x 2331x 1950		2700 x 1950x 2340		2500 x 2505 x 2380				2500 x 3390 x 2380	2500 x 4430 x 2380
Weight	kg	710	730	870	1060	1280	1280	1290	1290	1680	2100

1. Inlet air: 30°C - 80% RH; inlet/outlet water: 80/70°C; outdoor air: 30°C - 50% RH; 100% recirculation.
2. Indoor air: 26°C - 60% RH; outdoor air: -5°C - 80% RH.

Note:
MSTR – standard (industrial) version
MSPR – pool water version

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Pool air dehumidifiers MSTR / MSPR series

Pool air dehumidifiers
MSTR / MSPR series