18
UTC Climate, Controls & Security
PROPRIETARY
62-61661-00 Rev B
29th maI 2013
COMMISSIONING: CPR ADJUSTMENT
Example :
Adjust evaporator
N
° 1
whilst
N
° 2
is not functioning
Adjust evaporator N
° 2
whilst N
° 1 is not functioning
N
° 1
N
° 1
N
° 2
N
° 2
ON
OFF
OFF
ON
Multi temperature unit setting
To set CPR it is necessary to:
Compartment 1 « ON » & 2 « OFF »
Connect a low pressure gauge on to the evaporator
Start the unit in
« Heat »
and
Road »
mode
Keep the « road » compressor rotation speed at
2400
tr/mn
(ratio engine/compressor defined in the
mounting instructions)
Keep the pressure between 0,2 to 6 bar to adjust the
CPR to correct setting (see table)
Clockwise direction to increase the value
Anti clockwise direction to reduce the value
Repeat procedure for Compartment 2
CHECKS & SETTINGS
