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SINCLAIR
No.
Installation Problem
City water is unavailable or the water pressure
12
is too low or too high while no remedial
measures are taken.
The communication control cable is not
13
properly protected.
2.1.3 Collaboration During Installation
The installation process requires collaboration with aspects such as building, structure, electric,
water supply and drainage, fire control, and decoration. Layout of the piping shall not affect the
automatic spray header for fire extinguishing and should be well designed to go with the electrical device,
lighting, and indoor decoration.
2.1.3.1 Collaboration with Civil Engineering
(1) Holes, casing pipes, and installation positions for drainage standpipe must be reserved. Cable
pipes must be laid in advanced.
(2) Installation positions for the outdoor unit and water tank must be reserved and foundation must
be prepared. The installation position for the outdoor unit must meet requirements on weight bearing,
ventilation, and maintenance.
(3) If no holes are reserved, holes can be drilled when required. Hole drilling on the spandrel girder
or load bearing wall is prohibited.
2.1.3.2 Collaboration with Decoration Engineering
(1) Indoor pipes for cool water, hot water, and water return must be laid in advance. Interfaces for
cool water, hot water, water return, and water drainage must be reserved.
(2) Indoor hot water pipes must be provided with thermal insulation.
2.1.3.3 Collaboration with Electrical
(1) Circuits for the hot water unit must be reserved with proper power type and power use capacity.
(2) The power cord and air circuit breaker meets requirements of the air conditioning unit as well as
national safety regulations.
(3) The regional power supply should comply with national standards in terms of voltage fluctuation
and interference noise. Any incompliance found must be rectified through joint efforts.
2.2 Design Drawing Review
The installation personnel shall carefully read the design scheme and drawing provided by the
design personnel. The design intent should be completely understood and construction items should be
checked onsite. If any question exists, rational opinions should be put forward in a timely manner.
AIR SOURCE HEAT PUMP WATER HEATER SERVICE MANUAL
The unit fails to work and complaints are generated due to
unavailability of hot water.
The communication cable is short-circuited or disconnected and the
unit fails to start due to communication failure.
20
Adverse Effect
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