EVCO S.p.A.
7.2 Hydraulic pump
7.2.1 Initial information
The functional mode of the hydraulic pum
switched on for thermoregulation in relation
In the second case, the pump switches off a
by the regulator or switched OFF manually
pump to be stopped, as for the flow alarm in
on).
7.2.2 Function modes
The hydraulic pump can be set to function in
Continuous The pump is always i
On-call The pump is switche
delay (PM01) from
compressor is switch
7.2.3 Antifreeze function
When the temperature of the input or output
switches off when the temperature rises ab
(PM05), as shown below.
EV3 CHIL & EVD CHIL | Installer man
page 33 of 46
can be set using parameter Pm03: the pump may be al
o the functioning of the compressor.
ter a delay of PM02 from when the compressor is switched
rom the remote controller. It will switch off immediately if
manual re-arm (with the flow alarm active in automatic re-
two modes.
ON mode if PM03 = 0
on at the request of the heat regulator if PM03 = 1.
he
pump switch-on and the pump is switched off with a d
d off, as shown below:
water is below PM04, the pump is activated automatically if
ve the value of the antifreeze set-point (PM04), to which
al ver. 1.2 | Code 1443DCHILE124
ays kept switched on or be
ff every time it is deactivated
n alarm sounds requiring the
rm, the pump stays switched
ompressor is activated with a
elay (PM02) from when the
it was switched off. The pump
ust be added the hysteresis