Moving And Siting The Unit; Moving - Carrier 50UA-UH 135 Installation, Operation And Maintenance Instructions

refrigerant and hydronic circuits to ensure that they do
not show any corrosion or any signs of leaks.
It is recommended to wear ear defenders, when working
near the unit and the unit is in operation.
Always ensure you are using the correct refrigerant type
before recharging the unit.
Charging any refrigerant other than the original charge type
(R-410A) will impair machine operation and can even
lead to a destruction of the compressors. The compressors
operate with R-410A and are charged with a synthetic
polyolester oil.
Before any intervention on the refrigerant circuit, the
complete refrigerant charge must be recovered.

2 - MOVING AND SITING THE UNIT

2.1 - Moving

See chapter 1.2 - "Installation safety considerations".
Moving the plastic cover will let the dirt and particulates
enter to the unit from openings. Do not move the
protection cover unless you complete the installation of
the unit.
The rooftop unit is transported on a wooden pallet.
from pallet.
attached to the lifting bars. Evenly positioned spacer bars
should be used between the lifting cables to prevent
damage to the top of the unit and ensure that no excess
pressure is applied to the side panels.
For hoisting please ensure that the weight is evenly
distributed.
accordance with Machinery Directive 2006/42/ EC,
annex II-A. selection.
For fastening of the Lifting Bars:
• Remove the bolt and the locking plate on one side of
the lifting pipe.
Fig. 1 – Fastening the lifting bars - 1
• Slide the lifting bar into the hole in the subframe
intended for that purpose.
Fig. 2 - Fastening the lifting bars - 2
• After inserting the lifting bar, re-insert the bolt and
locking plate in the correct position.
Fig. 3 - Fastening the lifting bars - 3
7