One point two
Construction room temperature should meet the requirements for reasonable use temperature of pipe material, because the environmental temperature and pipe bending radius are closely related.
One point three
Clean the ground and wall, use the horizontal ruler to proofread the flatness of the ground, within 1 meters, the difference between height and height is less than or equal to 5 millimeters. Wall or floor bulge with a shovel to fill the ground pit with concrete.

Two, special floor heating insulation construction
Two point one
Before laying the boundary insulation bar, the wall should be cleaned to ensure the smoothness of the wall, and the insulation strip shall be removed during construction and use.

Two point two
The boundary insulation strip shall be attached to the wall and cylinder at the intersection of the ground in the heating area, and the boundary insulation strip shall have excellent adhesion fastness to ensure that it will not fall off during use.

Two point three
The boundary with insulation thickness of 8 mm, the boundary of heat preservation should have certain flexibility, ensure the backfill layer storage expansion after the buffer function, the maximum amount of compression is 5 mm. The cutting extruded plate is not allowed to replace the boundary strip.
Two point four
The boundary insulation strip shall be lapped and the length of lap shall be no less than 3 cm.

Three, the floor dedicated environmental protection Extrusion board laying
Three point one
Prior to the laying of the Extrusion board, the surface roughness of the original ground shall be guaranteed.

Three point two
Extrusion board should choose the density, compressive strength, thermal conductivity, can meet the requirements of heating technology specifications. In the conventional area, the extruded board should be made of 2 cm thickness, and the thickness of the film should be more than 2 centimeters for the environment with poor heat or poor heat insulation.

Three point three
Try to choose the extruded board specifications in order, reduce more joint.

Three point four
The connecting gap between the extrusion plate and the boundary insulation strip should be adhered together with aluminum foil tape to prevent more heat from escaping through the edge of the wall. The two pieces of extruded aluminium foil should be adhered to each other to ensure the tightness of the whole system.

Three point five
During the laying of the Extrusion board, it is necessary to avoid the wires, pipes or other pipes to cause larger cracks, and polyurethane foam treatment should be adopted.

Three point six
Extrusion board should be laid on the entire plate laying around, cutting plate laying in the middle of the principle.
Three point seven
Extrusion board laying of the gap should be no more than 5 mm, Extrusion board laying attention to the surface roughness of the plate, the difference between high and low should be less than 5 mm.
Four, floor heating dedicated reflective layer laying
Four point one
Due to the use of reflective film, the choice of reflective film should be selected alkali resistant products.
Four point two
The reflective film should be laid flat and fold as much as possible.

Four point three
Reflective film should be covered tightly, no insulation board and floor leakage.
Four point four
Reflective film laying should pay attention to square neat, easy to calculate the ground heating pipe or heating cable spacing.

Four point five
Reflective film connection should also use aluminum foil adhesive tape, avoid excessive overlap, resulting in waste of materials.

Five, the ground dedicated kart construction
Five point one
Do not use recycled materials produced by the nails, harmful to the human body.

Five point two
The material of the nail needs to meet the basic requirements of high strength and good creep performance. With the nail gun construction, the nail strength is higher, and it can bear the mechanical installation.

Five point three
The line distance card can be made every 40-50CM cards, and the bend ensures the radius of the curve. The 5 go kart shall be fixed.

Five point four
Card nail installation should pay attention to straight into the insulation layer, do not tilt the card nails, so as not to fix the effect is not good.
Six 、 ground pipe construction
Six point one
According to the design drawing, arrange the pipe, determine the pipe spacing and pipe direction, the straight pipe installation spacing error is less than or equal to 1cm.

Six point two
The laying of pipelines in the construction process to wear flat shoes.
Six point three
A loop should not be connected, laying, each loop length is also limited. The maximum laying length of a loop in 16x2.0mm pipe shall be less than 90m; the maximum laying length of one loop of 20x2.0mm pipe shall be less than 120m.
Six point four
In construction, excessive distortion of pipe is prohibited, and the radius of bend of pipe should be controlled less than 6 times the outer diameter of pipe.
Six point five
After the completion of the laying off, no trampling or other damage to the pipeline behavior, the ground backfill layer construction to prevent rough and brutal construction.
Seven 、 expansion joint construction
Seven point one
When the ground construction area of more than 30 square meters with more than 6 meters, should be not greater than 6 m spacing set expansion joints, each stitch setting expansion door, complex Fangxing can zoning segmentation calculation.

Seven point two
The height of the expansion joint is from the edge of the extrusion plate to the upper edge of the backfill layer, and the heating pipe at the expansion joint setting needs to be provided with a heat preservation pipe.
Seven point three
If the ground is laying marble or tile joints below the best set of tile seam.
Eight, floor heating special raw meal belt construction
Eight point one
The raw material belt should be used in the thread connection to achieve high quality sealing effect.
Eight point two
The number of winding ring of raw material belt should not be too much to prevent damage to the connecting parts.

Eight point three
The density and thickness of raw materials for heating are higher than that of the raw materials sold in the market. The raw materials should be twisted clockwise and the winding thickness of the yarn is usually from thick to thin.
Nine 、 floor heating special pipe bender and heat preservation pipe construction
Nine point one
Ground heating water diversion device has a certain height from the ground, the pipeline from the diversity of water into the ground, the general need to use the protection of the pipe bender, to play a fixed and protect the ground coil is not damaged.
Nine point two
Never use or use a metal pipe bender to cause a greater degree of damage to the pipe. Recommend a high strength plastic pipe bender.
Nine point three
The insulation pipe is used for the supply and return pipes that are exposed outside the water separator.
Nine point four
Water separator at the ground floor heating pipe is dense, in order to prevent local temperature is too high, should use insulation sleeve. Generally added to the water supply pipe, whether or not to add water, it is necessary to determine the length of the pipeline. The length of the heat insulating sleeve to the distance between the two pipes is greater than 10 centimeters.
Nine point five
Each channel shall be provided with a pipe bender, and the heat insulating sleeve is separated from it.
Ten 、 concrete backfill layer construction
Ten point one
The thickness of the backfill layer shall be the lowest and shall not be less than 5CM.
Ten point two
The proportion of Backfill Concrete shall be strictly enforced by the standards of the standard for sand, stone quality and testing methods for ordinary concrete.
Ten point three
The floor heating pipe is installed and the concrete filling layer is completed within 48 hours after the water pressure test is qualified
Ten point four
Concrete filled layer construction, prohibited the use of mechanical vibration equipment; construction personnel should wear soft shoes, the flat shovel
Ten, hanging fireplace installation
1, according to the size of the wall hanging furnace and installation before the size of the flue location, calibration accurate position, hanging furnace.
2, wall hanging furnace under the interface using hose connection.
Remarks：
The simple calculation method of power boiler as per kW with 7 square meters, such as 24 kW bigualu, can take 24*7=168 square heating area, the user's heating area of 168 square meters, can choose 24 kW bigualu bigualu, selection principle is rather large not small. Pump head hanging furnace is generally 10, so that the boiler can take up to three floor heating, heating bigualu level and elevation more than 10 meters, it must add auxiliary pump, or the use of water separator with circulating pump. Wall hanging stove with living hot water, such as users have a bathroom with 24KW wall hanging furnace, such as the user has two to three bathrooms, 28KW wall hanging furnace.
Eleven 、 concrete backfill layer construction

Ten point one
The thickness of the backfill layer shall be the lowest and shall not be less than 5CM.
Ten point two
The proportion of Backfill Concrete shall be strictly enforced by the standards of the standard for sand, stone quality and testing methods for ordinary concrete.
Ten point three
The floor heating pipe is installed and the concrete filling layer is completed within 48 hours after the water pressure test is qualified
Ten point four
Concrete filled layer construction, prohibited the use of mechanical vibration equipment; construction personnel should wear soft shoes, the flat shovel