The controller has been pre-pr
most likely correct. Individual i
ogrammed with a number of parameter values that are
nstallation requirements however may make it necessary to
lter parameter settings.
e by varying the available compressor capacity.
d value. This is done by either
Switching fans on/off (EC2-511 controller fitted)
ntrol is ordered with the unit. In that case
ype of EC2-5X1 mounted (depending on condensing unit configuration)
able 10: Type of EC2-5X1 per unit configuration
a
IR service LED
Controller 2: Fan
Value to be displayed :
LED ON: pressure
LED OFF: temperature
ctive alarm
Compressor 1 :on
Fan : on
Compressor 2 :on
Controller 1: Compressor
The control (1) target of the compressor controller is to maintain the suction pressure at a
defined valu
The control (2) target for the condenser controller is to maintain the condensing pressure
at a define
Or
Varying the fan speed, if fan speed co
an EC2-551 controller with a FSP 150 fan speed driver module are factory fitted.
T
Low
Temperature
OMTQ-90D
OMQ-45D
OLTQ-26V
&
OLTQ-36V
tan
EC2-511 EC2-551 EC2-551 EC2-511
ptional fac
with spe
(contr lled b
-551
Optional fac
with spe
(not controll
Medium Temperature
C
OMTQ-60
OMTQ-60D
&
OMQ-30
&
ondensing unit configuration
D
OMTQ-76
OMTQ-90
S dard Version:
Without fan speed controller
O tory fitted:
fan ed controller FSP 150
o y EC2-551)
EC2-551 EC2-551 EC2
tory fitted:
fan ed controller FSM-42S
ed by EC2-551)
EC2-551
T
24 Part No: 3125713 C6.1.2/0105-0705/E
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