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SINCLAIR
2 Preparations
2.1 Precautions for Engineering Installation
2.1.1 Safety Requirement
Caution!
All installation personnel must receive safety education and be assessed before construction is
started. Once a delinquent behavior occurs, the relevant personnel must be liable for it.
Caution!
Personal and property safety must be put first during the entire construction process. Related
national regulations on safety must be strictly followed to ensure personal and property safety.
2.1.2 Importance of Engineering Installation
The installation process of a Sinclair air source water heater involves installation of various parts,
such as that of the unit and water tank, water pipe or copper pipe between the unit and water tank, pipes
between the water tank and indoor cool/hot water pipes, wired controller, power cord, and control circuit.
Each installation phase must be treated with much care to ensure normal operation of the unit.
Otherwise, user requirements cannot be met and more seriously, water leakage may be caused and the
indoor decoration will be destroyed.
The following table lists problems that are inclined to occur during installation and their adverse
effect.
No.
Installation Problem
Dirt or impurity enters the refrigerant pipe of
1
the coil unit.
Vacuum degree of the refrigerant pipe system
2
of the coil unit is insufficient.
Moisture or water enters the refrigerant system
3
of the coil unit.
The safety valve is not connected with a
4
drainage hose or the connection is insecure.
5
PPR pipes are not properly welded.
6
No filter is installed for the cool water inlet pipe.
The outdoor unit is installed at a position with
7
poor ventilation.
8
The outdoor unit is not securely fixed.
The outdoor unit is not connected with a
9
drainage pipe.
The water tank is not securely fixed or is
10
installed on an external wall.
The pipe is not provided with thermal insulation
11
or thermal insulation is poor.
AIR SOURCE HEAT PUMP WATER HEATER SERVICE MANUAL
The refrigerant pipe is blocked. The air conditioning performance
declines and the compressor suffers abrasion.
Under a serious case, the unit may fail to work and the compressor
may get burned.
The heating effect declines. Protection is frequently started and the
unit cannot normally run. Under a serious case, key components
such as the compressor may get damaged.
The compressor may be copperized, which may cause efficiency
decrease and abnormal noise. Ice may be generated in the system
and the unit fails to work.
Water leakage occurs and indoor decoration is destroyed.
The pipe is blocked. Hot water is unavailable as protection is
started for the unit. Alternatively, the water flow rate is too low for
daily use.
When the ambient temperature is high, high-voltage protection may
be started and the unit stops.
The unit is noisy during operation.
Condensate water is discharged at random. Complaints may be
generated.
The water tank may topple over or drop down, which may have
severe results.
The water temperature fails to meet user requirements due to heat
loss.
19
Adverse Effect
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