Gree GMV-224WM/B-X, Service Manual

Page: 26 / 375

GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
23
III. Cooperation Between Different
Professions
A quality installation of air conditioning engineering depends on careful organization and close
cooperation between different professions such as architecture, structure, electric, water supply and
drainage, fire-fighting, and decoration. Pipes must be laid in places away from any automatic spray head
for fire-fighting, and must be reasonably arranged to ensure that the pipes fit the electric, luminaries, and
decoration.
1. Requirements for cooperation with civil engineering:
The riser should be installed in the air conditioning tube well, and the horizontal pipe should be
placed in the ceiling, if possible.
A place should be reserved for the ODU base to prevent the waterproof layer or insulating layer on
the roof from being damaged in later phase of installation.
At places on walls or floors where pipes need to go through, holes or casing should be preserved. If
the pipe needs to go through a bearing beam, a steel casing must be prepared.
2. Requirements for cooperation with decoration engineering:
The air conditioning installation should not damage the bearing structure or the decorative style. Air
conditioning pipes should be laid out along the bottom of the beam as possible. If pipes meet one
another at the same elevation, process based on the following principles:
Drain pipes enjoy the highest priority. Air ducts and pressure pipes should leave places for gravity
pipes.
Air ducts and small pipes should leave places for major pipes.
3. Requirements for cooperation with electric:
After the capacity of air conditioning unit is determined, check the following aspects with relevant
electric design personnel:
Whether the electrical load is designed based on the requirement of the air conditioning unit;
Whether the power cable and circuit breaker meet the unit requirement and abide by relevant
national safety regulations;
Whether the regional power supply quality (including voltage fluctuation and interference noise)
meet the international requirement.
Any nonconformity must be resolved through coordination.