Control; Control Of A Single Compressor Unit; Keypad Functions - SystemAir SYSCROLL Air CO series Installations- Und Wartungshandbuch

6 General information
Introduction
This document contains the information and the operating
instructions.
Main characteristics
– simple user interface with possibility to customize keys functions
and to set menus visibility
– parameter setting through keyboard or PC
– thermoregulation → inlet/outlet water probe, according to
customer need / application
– auto-adaptive set-point
– dynamic set-point
– sanitary hot water and anti-legionella weekly scheduling
– alarm log
– analogue input (to be set) → NTC, 4..20mA, 0..1V, 0..5V, 0..10V
– digital input → to be set by parameter
– automatic changeover
– analogue condensation control
– boiler / electrical resistances management for heating
integration
– electrical resistance management for sanitary hot water
– advanced pump management
The following accessories can be also connected:
– multi Function Key (MFK) to upload / download parameters map
– serial communication RS485 card; to connect the control to a
BMS network
– remote display terminal
– wire remote control

6.1 Control of a single compressor unit

Units are provided with a microprocessor card fully programmed by
default for the control of a heat pump unit.
General information
The figure shows the terminal. It is provided with a 4 red digits with
7 segments with decimal point led, 18 LED and 4 buttons, so as
to allow the programming of the control parameters (setpoint,
differential bands, alarm thresholds) and the main operations to be
carried out by the user.

6 - Control

6.2 Keypad functions

KEY
LINKED
FUNCTION
/
/
/
/
KEYS
COMBINATION
21
SINGLE PUSH
DESCRIPTION
(PUSH /RELEASE)
- Increase value
UP - Go to next label
- Change Set-point
- Decrease value
- Go to previous label
DOWN
- Change Set-point (if UI25 =1)
- Exit without saving
ESC
- Go to previous level
- Confirm value / exit with setting
saving
SET
- Go to next level
- Go to status menu
EXTENDED PUSH
(MORE THAN 3s)
- Enable Sanitary Hot Water
function
- Stand-by → ON - Stand-by
- Local ON/OFF
- Change mode - Mode menu
- Main display - Display menu
LINKED FUNCTION
- Enable / Disable - Time slots menu
- Enter in "Program Menu" - Program Menu
MENU/NOTES
MENU/NOTES