Panasonic Aquarea PAW-HPM1 Installation And Commissioning Manual page 64

Installation and Terminal Assignments
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Fig. 7.21: Cascade with control via communication
1 HPM1: Master (.11) / HP1 /
SD-No. 7xxxx / 3 HPs / communication
2 Ethernet switch
3 HPM2: Slave (.12) / HP2 /
SD-No. 80000 / 3 HPs / Communication
4 Router (optional)
Functionality when controlling via communication
When controlling via communication, the heat pump receives not only a heating or cooling
demand from the HPM, but the feed flow setpoint calculated by the controller as temperature
demand. It then independently controls its actuators (pump, compressor, fan, heating element)
in order to provide the requested temperature.
The HPM then takes over the control of the domestic hot water tank in this type of control.
The controller provides the prompt to switch over to domestic hot water operation and the
temperature setpoint directly to the heat pump, which implements this prompt.
Settings for this operating mode can be directly done on the HPM if the heat pump type allows
the cooling operation The controller takes the cooling demand with temperature setpoint to the
heat pump, as soon as the set criteria are met.
Connection to the HPM controller during communication
First, the parameter for the basic settings of the heat pump must be set on the HPM controller
(→ Aquarea Basic Settings, P. 92). Only then is a connection provided to the heat pump – by
connecting the adapter cable to the BUS interface of the HPM.
Upon successful connection, a beep will sound on the heat pump to confirm.
After the installing and connecting all lines but prior to commissioning, the controller must
again be attached to the base (→ Attaching the controller to the base, P. 32).
Aquarea Heat Pump Manager (HPM) – Manual Part 1: Installation and Commissioning – 12/2014
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5 HPM2: Slave (.13) / HP3 /
SD-No. 90000 / 3 HPs / Communication
6 Connection to the internet
7 Heat pump 1 / Heating + Heating + domestic hot
water / last
8 Heat pump 2 / heating only / follows
9 Heat pump 3 / heating only / leads
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