Carrier X-POWER Series Service Manual page 92

R410a DC Inverter 60Hz Carrier service manual
1.3.4. Training of installation team
Establish sound training mechanisms. Service engineers are required to train installation team
managers, work supervisors to train workers, and managers to train workers of special type. Establish a
management mechanism in which pre-working training, before-shift disclosure and after-shift
implementation are available.
1.3.5. Coordination with other sectors
Ensure smooth coordination and meticulous organization between these sectors: air conditioning, civil
work, electricity, water supply and drainage, fire protection, decoration, intelligence, etc. Try best to lay
pipes of the air conditioning system along the bottom of the beam. If pipes meet together at the same
height, follow these principles:
1. Ensure that gravity pipes take precedence over water drainage pipes, air ducts and pressure pipes.
2. Ensure that large pipes take precedence over air ducts and small pipes.
1.3.6. Pipe pre-install engineering
1.3.6.1. Operation procedure
Raise requirements to the civil work sector and coordinate → Determine the position, size and quantity
of the machines, and conduct pre-installing → Check the pre-installing results
1.3.6.2. Pipeline route
1. The pipe for condensate water should have a downward slope (the slope should be at least 1/100).
2. The diameter of the through hole for the refrigerant pipe should take the thickness of the thermal
insulation material into consideration (it is recommended to lay the gas pipe and liquid pipe in two
separate columns).
3. Note that sometimes through hole is not allowed because of the structure of the beam.
Highlights:
1) When selecting the parts to be pre-installed, ensure that the weight of the accessories is also
calculated.
2) In a situation where metal parts to be pre-installed is not allowed, use expansion bolts while ensuring
sufficient load-bearing capacity.
Caution: The above figure is for reference only. It is not recommended to dig holes on either the beam
or the shear wall. If such operation is indeed needed, please consult the property owner (or manager)
and the civil work sector, and get written approval from the competent authority.
1.3.7 Warning
(1) Be sure only trained and qualified service personnel to install, repair or service the equipment.
Improper installation, repair, and maintenance may result in electric shocks, short-circuit, leaks, fire or
other damage to the equipment.
(2) Install according to this installation instructions strictly.
110 Installation