System Test; Controller Description - Hitachi RASM-2VRE Installation And Setup

Assuming you have set up the system as recommended then you are ready to do a run test
of the system.
Simple Tasks
• To set the room temperature—use the wireless RF thermostat
• To set the tank temperature use the arrow keys to highlight the DHW segment and change the setting
• To turn just heating mode on. Use the arrow keys to highlight the C1 display segment then press the On/
Off key so that the green light is shown. Press again to turn off.
• To turn just hot water mode on. Use the arrow keys to highlight the DHW display segment then press the
On/Off key so that the green light is shown. Press again to turn off.
• To turn both heating and hot water on. Use the On/Off key with no display segments selected. Press
again to turn off.
Installer Mode—to view relevant information
In installer mode with the unit running press the
MENU button, select OPERATION INFORMATION,
then select GENERAL. This will show the current
mode and relevant temperatures
Go back and Select HEAT PUMP DETAILS to see
more detailed information including water flow rate
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System Test

Controller Description

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7.
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LCD Display—See below for more details
OK—to select and confirm selection
Arrows Key—to navigate menus and selections
On / Off button and Run / Trip Light
Menu Button
Return Button
Favourite Button
System is Off or (no display) there is no power
System is On
System is in Fault Mode. Write Fault Code down
Time and Date
Operation Mode (sun icon shows heating)
Control of Heating Circuit showing the current set
temperature and other information
Control of Domestic Hot Water showing the current
set temperature and other information
Only used for Swimming Pool applications
Current Unit Status—in this case showing the pump
and compressor icons
Outdoor Temperature (normally) or Alarm Code
Which buttons are available currently? Spanner icon
appears if you are in Installer Mode.
Important—Water Flow
If alarm 70 or P70 shows then the unit water flow is
too low. Water flow levels are shown below and can be
checked using HEAT PUMP DETAILS see left.
Minimum to run
Model
8.4 l/m (0.5m³hr)
RASM-2
10.0 l/m (0.6m³hr) 35 l/min (2.1m³hr)
RASM-3
16.7 l/m (1.0m³hr) 46.7 l/min (2.8m³hr)
RASM-4
18.4 l/m (1.1m³hr) 50 l/min (3m³hr)
RASM-5
RASM-6 20.0 l/m (1.2m³hr) 50 l/min (3m³hr)
E:
Maximum Flow
31.7 l/min (1.9m³hr)
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