MAXA i-HPV5H 0140, Руководство пользователя

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21
Controllo per i-HPV5
Chillers and Inverter Air/Water heat pumps with axial fan
CAUTION: Parameter r08 must not be set to a value lower than -20°C, as this could impair the operation of the unit.
21.8 OPERATION HEAT PUMP MODE
Normal operation of the heat pump in which the integration heaters and-or the boiler only intervene when a heat pump alarm is triggered.
21.8.1 JOINT OPERATION (I BRACKET)
If the outdoor temperature is between r22 and r28 , the compressor operates in synergy with the auxiliary heaters in winter or DHW mode. In
this operating bracket, first the heat pump is activated and after r12 minutes the plant side auxiliary heaters, or after r16 minutes the sanitary
side auxiliary heaters.
Operation returns to normal if the outside temperature is greater than r22 + 1,0 °C.
Note: In the joint operation band, the boiler is thermoregulated by the system water remote probe (if active), in particular if the temperature
detected by the remote probe is lower than the Hea setpoint,the boiler is activated, and then deactivated when the temperature detected by
the remote probe is higher than Hea setpoint. The heat pump is also thermoregulated by the system water remote probe (as described above).
If the remote system water probe is not active, the boiler is controlled by the flow probe of the heat pump.
21.8.2 JOINT OPERATION (II BRACKET)
If the outside temperature is between
r28
and
r08
, the auxiliary heaters are enabled in combination with the heat pump in heating or DHW
mode. In this operating range, the boiler is activated first, then the heat pump and auxiliary heaters are activated after a time defined by r12
minutes for the system side or after
r16
minutes for the DHW side.
Operation returns to normal if the temperature rises above r28 + 1,0 °C.
Note:
In the joint operation band, the boiler is thermoregulated by the remote system water probe (if active), in particular if the temperature
detected by the remote probe is lower than the Hea setpoint,the boiler is activated, and then deactivated when the temperature detected by
the remote probe is higher than
Hea
setpoint. The heat pump is also thermoregulated by the system water remote probe (as described above).
If the remote system water probe is not active, the boiler is controlled by the flow probe of the heat pump.
21.8.3 OPERATION IN SUBSTITUTION
If the outside temperature falls below r08 the heat pump compressor is disabled and the auxiliary devices operate in place of it. The compressor
is enabled again if the temperature rises above r08 + r09 (default r09 = 1.0 °C).
If the auxiliary system consists of system and/or DHW resistors, they operate according to the times defined by parameters r12 (minutes) for the
system side and r16 (minutes) for the DHW side. In the substitution operation band, it is not necessary to enable the integrations with r10 or r15
since the resistances must operate as a replacement for the heat pump (it is therefore sufficient to select the type of use from parameter r24 ).
If the auxiliary system is a boiler with autonomous thermoregulation ( r32 = 2 or 3 ),it is enabled independently of the thermoregulation of the
heat pump.
If the replacement auxiliary system is a boiler without a circulator ( r32 = 0 or 2 ), the heat pump circulator is active when the boiler is enabled.
If the auxiliary system is a boiler with its own circulator ( r32 = 1 or 3 ), the heat pump circulator is switched off and after P01 (default 30 seconds)
the boiler is enabled.
NOTE: In the event of water-side frost protection, the circulator is still activated (or kept active).
21.9 OPERATING BRACKETS
The possible configurations of the integration parameters are listed in tables 1,2,3 and 4 shown below, divided by operating brackets (The boxes
for the rXX parameters indicate the possible values of the parameters for a given order of intervention of the integrations in a given machine
operation).
TABLE 1. NORMAL OPERATION IN HEAT PUMP MODE
INTEGRATIONS INTERVENTION ORDER STATUS OPERATION r10 r15 r12 r16 r23 r24
1) Plant integration heater
HEAT/
HEAT+SAN
HEAT 1 0/1/2 / / 0/2/5 1/3
1) Boiler
HEAT/
HEAT+SAN
HEAT 0/1/2 0/1/2 / / 1/3/4/6 0/2
1) Plant integration heater
2) After r12 minutes, boiler
HEAT /
HEAT+SAN
HEAT 1 0/1/2
Set the
minutes
/ 1/3 1/3
1) Boiler
2) After r12 minutes, plant integration
heater
HEAT /
HEAT+SAN
HEAT 1 0/1/2
Set the
minutes
/ 4/6 1/3
1) DHW integration heater HEAT+SAN SANITARY Y 1 / / 0/1/4 2/3
1) Boiler
HEAT+SAN
/
COOL+SAN
SANITARY 0/1 0/1/2 / / 2/3/5/6 0/1