Hitachi RAS-H(V)RNME-AF Service Manual page 179

5 Control system
• Category 2 - System Settings
N O T E
To ensure correct heat pump system operation, parameter 8:Su must be set correctly.
Parameter
Category 2 Parameters – System Settings (press the
Heat/Cool selection enable
/ disable
Room Temperature Sensor
Use
Maximum Flow Setpoint
Minimum Flow Setpoint
Mixing Value Run Time
Pump Overrun Run Time
N O T E
Remember to always press the green
ting. To exit the Installer Mode press the
Binding / Rebinding Procedure (ON/OFF Thermostat) (ATW-RTU-01)
The binding operation described below is required if:
• Any of the system components (Room Unit or RF Receiver) are replaced.
• The RF Receiver has incorrect or no binding data stored (e.g. when pre-bound system pack components have been
mismatched).
N O T E
During the binding procedure keep approximately 1m distance between the Room Unit and the RF Receiver.
To bind/rebind:
1 Hold button on RF Receiver for 15 seconds. LED will flash red 0.1 sec ON, and 0.9 sec OFF
2 Hold button on RF Receiver for 5 seconds. LED will flash red for 0.5 sec ON, and 0.5 sec OFF.
3 Press the button on the Room Unit
4 Hold , and buttons for 2 seconds. Display will show "InSt CO". The boiler and RF signal icons will be displayed.
5 Press the green
button.
6 When Red LED on the RF Receiver goes off, the devices are bound.
7 If binding is unsuccessful, then the LED will stay on. In this case, move the Room Unit and repeat the procedure from
the beginning.
8 The LED on the RF Receiver will flash green every 10 seconds to indicate that the device is live.
9 Now go to Section Installing the Programmable thermostat
169
SMGB0070 rev. 1 - 08/2011
Parameter
Factory Default Setting
No.
4:HC 0 Disabled
Programmer and room
8:Su 0
compensation unit
11:uF 55 55°C Maximum Flow Temp.
12:LF 15 15°C Minimum Flow Temp.
13:Ar 150 150 seconds
14:Pr 15 15 minutes
button to confirm that you want to store your new Installer Set-Up set-
or button.
Optional Setting
button to access this category)
1 Enabled
1 Only Intelligent Thermostat
0 to
0°C to 99°C adjustment in 1°C steps (N.A.)
99
0 to
0°C to 50°C adjustment in 1°C steps (N.A.)
50
0 to
0 to 240 sec. adjustment in 1sec steps (N.A.)
240
0 to
0 to 99 mins adjustment in 1min steps (N.A.)
99
to setup the system.
5