joi, 15 septembrie 2011

Split system room air conditioners and heat pumps CXE - EXE AERMEC


Chapter I
Ceiling unit charged with new refrigerant R407C.Be sure to use proper tools for R407C,when installing the unit.
Installation of indoor ,outdoor unit

1.Indoor unit
Select location
Install the air conditioner in the location that satisfies the following conditions.
The place shall easily bear a load exceeding four times the indoor unit’s weight.
The place where the unit shall be leveled.
The place shall allow easy water.drainage.
The place shall easy connect with the outdoorunit.
The place where the unit is not affected by an electrical noise.
The place where air circulation in the room will be good.
There should not be any heat  source or steam near the unit.

Position of suspension bolt
Apply a joint-canvas between the unit and duct to absorb unnecessary vibration.
Apply a filter accessory at air return hole.

2.Outdoor   unit
If an awning is built over the unit to prevent direct sunlight or rain expousure ,be careful that heat radiation from the condenser is not restricted.
There should not be any animals or plants which could be affected by hot air discharged.Ensure the spaces indicated by arrows from the wall ,celling ,fence or other obstacles.Fence or obstacles more than 30cm.

Position of console bolt
A place where the unit will be leveled and that can support the weight of the unit.                                                                                                                                                               A place where the unit can withstand its vibration.
A place where service can be easily performed.
Select and mark the position for fixing bolts.
Drill the hole for set anchor on the face of ceiling.

For new building
Insert the set anchor and washer onto the suspension bolts for loocking the suspension bolts on the ceiling.
Mount the suspension bolts to the set anchor firmly.
Secure the installation plates onto the suspension bolts adjust level roughly using nuts,washers and spring washers.

Caution
Tighten the nut and bolt to prevent unit falling.
Install declination of the indoor unit is very important for the drain of the duct type air conditioner
Minimum thickness of the insulation for the connecting pipe shall be 5mm.

Caution for gradient of unit and drain piping

Always lay the drain with downward inclination ,Prevent any upward flow or reverse flow in any part.
5mm or thicker formed thermal insulator shall always be provided foe the drain pipe.

Correct install
Install the P-trap or U-trap to prevent a water leakage caused by the blocking of intake air filter.
Drill the piping hole with 70 mm dia,hole core drill.Piping hole should be slightiy slant to the outdoor side.

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