Haier 1U71S2SG1FA Service Manual page 54

Installing the Suspension Screw
Use M8 or M10 suspension screws (4, prepared in the field) (When the suspension screw height exceeds 0.9m,
M10 size is theonly choice). These screws shall be installed as follows with space adapting to air conditioner overall
dimensions according tothe original building structures.
Wooden Structure
A square wood shall be supported by the
beams and then set the suspension screws.
Orig Inal Concrete Slad
Use hole hinge, hole plunger or hole bolt
Hanging of the indoor unit
• Fasten the nut on the suspens on screw and then hang the suspension screw in the T slot of the suspension part
of the unit.
• Aided with a level meter, adjust level of the unit within 5mm
CAUTION
• In installation,if there is refrigerant gas leakage, pleasetake ventilation measures immediately.The refrigerant gas
will generate poisonous gas upon contacting fire.
• After installation, please verify that there is no refrigerant leakage. The leaked refrigerant gas will produce
poisonous gas when meeting fire source such as heater and furnace etc.
Model
AD25S2SS1FA AD35S2SS1FA
AD25S2SS2FA AD35S2SS2FA
AD50S2SS1FA AD50S2SS2FA
AD71S2SS1FA AD71S2SS2FA
Pipe Material
Phosphorus deoxidized copper seamless pipe (TP2M) for air conditioner.
Allowable Pipe Length and Drop
These parameters differ according to the outdoor unit. See the instruction manual attached with the outdoor unit
for details.
Supplementary Refrigerant
The refrigerant supplementation shall be as specified in the installation instructions attached with the outdoor unit.
The adding procedure shall be aided with a measuring meter for a specified amount of supplemented refrigerant.
New Concrete Lab
To set with embedded parts,foundation bolts etc.
Steel Reinforcement Structure
Use steel angle or new support steel angle directly
Gas Side
φ9.52
φ12.7
φ15.88
51
Liquid Side
φ6.35
φ6.35
φ9.52