Air Ventilation Products, Heat Exchanger Air Conditioner -Joyclima
ZJXRA--4
ZJXRA--2
ZJXRA--3

Hanging Type ZJXRA-300

  • Based on the traditional air conditioner, JOIN Fresh Air Heat Pump is equipped with heat pump and fresh air ventilation system. With multistage energy recovery, the energy efficiency is even higher. It can be a good partner of traditional air conditioner, and can replace traditional air conditioner in transition season. It overcomes the weaknesses of no fresh air of ordinary air conditioner, high energy consumption and big temperature fluctuation of ordinary fresh air ventilator. It controls the fresh air at a constant temperature and humidity, and the regulation of indoor CO2 , harmful gases, concentration of fine particulate matter (PM2.5). It makes the fresh air led into the  room more comfortable and healthy.
  • Parameter Sheet

  • System Diagram

  • Size Chart

  • Installation Drawing

 

 

 

Model

ZJXRA-300(Hanging type)

Ratedcoolingcapacity

W

2000

Ratedheatingcapacity

W

2500

Ratedcoolingpower

W

550

Ratedcoolingcurrent

A

2.6

Ratedheatingpower

W

610

Ratedheatingcurrent

A

2.9

Maxoperationpower

W

750

Maxoperationcurrent

A

3.6

Compressor

/

Constant speed compressor

Powersupply

V/Ph/Hz

220-240/1/50

Freshair/Exhaustairflow

m³/h

150~300

Externalstaticpressure

Pa

130

Noise

dB(A)

31

Airoutletdimension

mm

184

Condensatedrainagesize

Inch

(BSP)

1/2”

Machinesize(L*W*H)

mm

1170*760*400

Packing size (L*W*H)

mm

1211*811*498

Net weight/Gross weight

kg

95/113

Refrigerant

/

R410A

 

Notes:
Heating conditions: Ambient dry bulb / wet bulb temperature7℃/6℃;Room dry bulb / wet
bulb temperature20℃/15℃
Cooling conditions: Ambient dry bulb / wet bulb temperature35℃/24℃;Room dry bulb /
wet bulb temperature27℃/19℃
Fresh Air Heat Pump only handles fresh air.

 

 

xitongtu

ZJXRA-300-15

ZJXRA-300-16

 

What is the Purpose of air ventilation on roof ?
 
 
The established motive of air ventilation on roof is to hold attics cool in the summer time and dry at some point of the less warm months. Encouraging herbal air go with the flow and circulation makes your domestic extra at ease with the aid of supplying a way for hot, moist, or stale air to depart the house. Attic air flow is essential in each warm and bloodless climates. In bloodless climates, heat air trapped in an attic all through the iciness can purpose snow to soften shortly and then refreeze as ice. Ice dams in the roof can be detrimental to shingles and gutters.  Hot air that condenses in an attic can make a contribution to mould and mildew growth. In warm climates, a right vented attic lets in warm air to get away from the attic and roof place to decrease the standard temperature of the constructing and decrease the cooling load on air conditioners.  In warm climates,  the lack of ample air flow can motive asphalt shingle roofs to put on upfront and will also void most producers fabric warranties.  It can additionally lead to the failure of the roof underlayment of clay and concrete tile.
 
 
A well-designed and right hooked up attic air flow system, accompanied through top attic insulation, will supply outstanding temperature and moisture manage to defend your domestic from pointless harm and assist keep at ease inner temperatures year-round.
 
 
How does air ventilation roof work?
 
 
A roof air flow gadget works by way of supplying a chronic glide of air via the attic space, supporting get rid of overheated air and moisture from the attic and roof machine and minimize the influence of altering temperatures and moisture stipulations each interior and backyard the home. The device that permits the air flow of air to take region consists of consumption vents and exhaust vents set up at strategic intervals in the attic or roof area. Several distinct sorts of vents may additionally be used in unique places to grant for attic air to flow into in the proper quantities and instructions for the duration of the roofing system.
 
 
Correct graph and development of the air flow machine is critical.  The roof layout must furnish masses of air area for insulation and air float underneath the roof and eaves. And, a successfully designed gadget will exactly stability the consumption and exhaust air flow below the roof so that the attic is barely pressurized, stopping conditioned air from being sucked out too shortly via the vents, for this reason growing heating and cooling costs.
 
 
What kinds of air vent roof ventilation are Used?
 
 
Insulation and attic air roof ventilation
 
 
If your domestic is accurate insulated, it is working collectively with your well-designed attic air flow machine to maintain your strength prices down. Properly positioned and set up insulation prevents needless venting of heated and cooled air that continues your domestic comfortable.  Your insulation will hold the conditioned air in your dwelling space, the place it belongs whilst your air flow device will flow into solely the attic air and make positive that it is suitable vented alongside with undesirable moisture or extra summer season heat. Be positive you don’t pile possessions into the attic on pinnacle of insulation. This can forestall it from doing it’s job and add to your heating and cooling costs.
 
 
Maintaining your roof ventilation system
 
 
Your roof air flow machine ought to be inspected alongside with your roof at least each and every few years. Inspect for climate injury such as cracks, free vents or damaged or lacking tiles round vents. Look for whatever that can also be blocking off the vent, such as leaves and different debris. It’s a right notion to investigate the inner of the attic or roof deck for harm from moisture. And, be positive look at your attic insulation to see that it is in precise circumstance and right positioned so your domestic is well-insulated towards out of doors temperature changes.

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