SystemAir HHFlex C Manuals

Manuals and User Guides for SystemAir HHFlex C. We have 1 SystemAir HHFlex C manual available for free PDF download: Operating Instructions Manual

SystemAir HHFlex C Operating Instructions Manual (47 pages)

AHU Control

Brand: SystemAir | Category: Control Unit | Size: 4 MB

Table of Contents
2
SAFETY CONSIDERATIONS General
5
Avoid Electrocution
5
Abbreviations Used
5
Controller Description
6
Overview
6
Power Supply
6
Battery
6
Indications
6
Mapping of Inputs/Outputs
7
Technical Data
8
Common Data Controller
8
Communication
8
Casing
8
Inputs
8
Outputs
8
External Display
8
TCP/IP Port
8
Human Machine Interface
9
E-DSP External Display Unit
9
Overview
9
Log in
9
Menu Tree External Display
10
Access Levels External Display
11
Web Panel
11
Connection to the Unit
11
Login Screen
12
Overview Screen
13
Dashboard Screen
13
Actual/Setpoint Screen
14
Alarm Status Screen
14
Inputs/Output Screen
14
Analog Inputs Screen
15
Analog Outputs Screen
15
Digital Inputs Screen
16
Digital Outputs Screen
16
Time Program Screen
17
Settings Screen
18
Factory Screen
18
Hhflex - BASIC CONTROL FUNCTIONS
19
Temperature Control
19
Temperature Control in Occupied Mode
19
Supply Air Temperature (Tt02)Control
19
Economy Mode Based on OAT (TT06)
19
Room Air Temperature (TT05) Control
20
Extract Air Temperature (TT03) Control
21
Temperature Control in Non-Occupied Mode
21
Fan Speed Control
22
Fixed Fan Speed Control
22
High / Low Speed Operation
22
Air Flow Control
22
High / Low Air Flow Operation
22
Supply Duct Pressure Control
22
Supply and Exhaust Duct Pressure Control
23
Indoor Air Quality Control
23
Heat Recovery Monitoring
23
Low Supply Air Temperature Monitoring
23
High Supply Air Temperature Monitoring
23
Frost Protection Without Pre-Heating
23
Filter Monitoring Equipped with a Pressure Sensor
24
Dry Outdoor Filter Control Equipped with a Pre-Heater
24
Occupancy Management
24
Stand Alone Mode
24
Internal Clock
24
Operation Time Extension
24
Remote Mode
24
Building Fire Management
25
Hhflex - OPTIONAL CONTROL FUNCTIONS
25
Air Dampers
25
Hot-Water Reheating Coil
25
Water Coil Frost Protection (TA01)
26
Warm up at Unit Start up
26
Unit Frost Protection
26
Chilled-Water Cooling Coil
26
Temperature Control
26
Change-Over Water Coil for Heating and Cooling
27
Heat/Cool Thermostat (TS01)
27
Temperature Control
27
Water Coil Frost Protection (TA05)
27
Warm up at Unit Start up
28
Unit Frost Protection
28
Defrost of Heat-Pump
28
Backup Electric Heater
28
Electrical Reheating Coil
29
Temperature Control
29
Overheating Protection (TA04)
29
Cool down at Unit Stop
29
Electrical Pre-Heating Coil
30
Heat Recovery Frost Protection
30
Overheating Protection (TA03)
30
Cool down at Unit Stop
30
Hot Water Pre-Heating Coil
31
Heat Recovery Frost Protection
31
Water Coil Frost Protection (TA01)
31
Warm up at Unit Start up
31
Unit Frost Protection
31
Direct-Expansion Coil
32
Condensing Unit/Reversible Unit with Staged Capacity
32
Condensing Unit/Reversible Unit with Variable Capacity
32
Water Pump Anti-Blocking System
32
Recirculation Air Damper (CD06)
32
Mixing Box Management
33
ON/OFF Recirculation
33
Modulated Recirculation as Heating/Cooling Capacity
33
Minimum Fresh Air Threshold
33
Modulated Recirculation Using CO2 Sensor
34
Modulated Recirculation as Heating/Cooling Capacity with Fresh Air Calculation
34
Fast Building Temperature Warm-Up/Cool-Down before an Occupied Period
35
Operation of Chilled Beams During Unoccupied Periods
35
Heat Pump Defrost
35
Minimum/Maximum Room Temperature in an Unoccupied Period
35
Humidification Control
36
Description Control Algorithm
36
Default Settings for Relative Humidity Control
37
Dehumidification Control
38
Description Control Algorithm
38
Default Settings for Relative Humidity Control
38
Diagnostics & Troubleshooting
39
General
39
Displaying Alarms
39
E-DSP External Display Unit
39
Web Panel
39
Alarm Report
39
Resetting Alarms
39
Alarms List
40
Bus Communication
42
General
42
Modbus
42
Communication Settings
42
Modbus Type
42
Modbus Functions
42
Max. 47 Registers
42
Communication Limits
42
Scale Factor
42
Bacnet IP
43
Annex 1 - Bacnet Protocol Implementation and Conformity
44

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