Warnings: Avoid - Carrier 42HQM Series Installation Manual

42HQM

Warnings: avoid...

Any obstruction of the unit air outlet or return.
Exposure to oil vapours.
Installation in areas with high-frequency waves.
Any rise in the condensate drain piping.
Horizontal condensate drain piping with less than 2% slope.
Slack on electrical connections. Disconnecting refrigerant
connections after installation: this will cause refrigerant leaks.
Exposure to direct sunshine, when unit is operating in cooling
mode; always use shutters or shades.
Positions too close to heating sources which may damage the unit.
Connecting condensate piping to sewage system drain without
appropriate trap. Trap height must be calculated according to the unit
discharge head in order to allow sufficient and continuous water evacuation.
Only partial insulation of the piping.
Installation not correctly leveled which will cause condensate dripping.
Flattening or kinking the refrigerant pipes or condensate pipes.
Excessive height difference between outdoor and indoor units
(see installation manual of outdoor unit).
Unnecessary turns and bends in interconnecting tubing. Excessive
interconnecting tube length (see installation manual of outdoor unit).
E N G L I S H
GB - 5