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RAC18-IP
iSMA CONTROLLI RAC18-IP Manuals
Manuals and User Guides for iSMA CONTROLLI RAC18-IP. We have
1
iSMA CONTROLLI RAC18-IP manual available for free PDF download: User Manual
iSMA CONTROLLI RAC18-IP User Manual (76 pages)
Universal FCU Application
Brand:
iSMA CONTROLLI
| Category:
Controller
| Size: 37 MB
Table of Contents
Table of Contents
2
Introduction
5
Revision History
6
Inputs and Outputs
7
Universal Inputs
7
Digital Inputs
7
Triac Outputs
8
Digital Outputs
9
Fan Outputs
9
Electrical Heater (O4)
10
Electrical Cooler (O5)
11
Analog Outputs
12
Simple Panel Connection
14
DIP Switch Configuration
16
Controller Overview
16
Step 1: Choosing the FCU Pipe Type
17
4-Pipe Heating and Cooling
17
2-Pipe Only Heating or Only Cooling
18
Step 2: Switching between 1 Heating Stage and 2 Heating Stages Modes
19
Stages of Heating in 4-Pipe Fan Coil Unit
20
Step 3: Switching between 1 Cooling Stage and 2 Cooling Stages Modes
20
Stages of Cooling in 4-Pipe Fan Coil Unit
20
Step 4: Selecting Type of Control Required by the FCU Valves and Connection Details
21
Step 5: Selecting the Temperature Control Value Source and Its Connection Details
22
Temperature Source: Touch Point/Control Point/Lp/Fp Room Panel
23
Temperature Source Connected to U3
23
Temperature Source Connected to U1
24
Temperature Source Connected to RS485 Network
24
Step 6: Selecting Type of Fan Used Within the Project and Its Connection Details
24
Analog Controlled Fan Connection
25
1-Speed Fan Connection
25
2-Speed Fan Connection
26
3-Speed Fan Connection
27
Control Algorithm
29
Occupancy Modes
29
Occupancy Mode
29
Unoccupied Mode
30
Standby Mode
31
Forced Occupied
32
FCU Modes
33
OFF Mode
34
Auto Mode
34
Heating Only Mode
35
Cooling Only Mode
35
Fan Only Mode
35
Additional Features
35
Open Window (I3)
35
Anti-Frost Protection
36
Return Temperature Sensor Control
36
Supply Air Temperature Limitation
36
FCU Test Mode
37
FCU Controller Outputs Manual Override
37
RAC18-IP Panel Connection and Configuration
39
Touch Point
40
Control Point
41
LP Panel
42
SP Panel
43
FP Panel
44
Bacnet IP Client-Server Configuration
45
MAC Addressing and ID
45
Auto Binding Addressing
45
Master-Slave Sharing Parameters
46
Application Status
47
Examples: Connecting Actuators and Sensors to the Controller
49
Connections Overview
49
Connection Examples
49
4-Pipe Installation with 1-Stage Digital Controlled Heating and Cooling and Analog Controlled Fan
49
4-Pipe Installation with 1-Stage Digital Controlled Heating and Cooling and 1-Speed Fan
50
4-Pipe Installation with 1-Stage Digital Controlled Heating and Cooling and 2-Speed Fan
51
4-Pipe Installation with 1-Stage Digital Controlled Heating and Cooling and 3-Speed Fan
51
4-Pipe Installation with 1-Stage Analog Controlled Heating and Cooling and Analog Controlled Fan
52
4-Pipe Installation with 1-Stage Analog Controlled Heating and Cooling and 1-Speed Fan
53
4-Pipe Installation with 1-Stage Analog Controlled Heating and Cooling and 2-Speed Fan
54
4-Pipe Installation with 1-Stage Analog Controlled Heating and Cooling and 3-Speed Fan
55
2-Pipe Installation with 1-Stage Digital Controlled Cooling and Analog Controlled Fan
56
2-Pipe Installation with 1-Stage Digital Controlled Heating and 1-Speed Fan
57
2-Pipe Installation with 1-Stage Digital Controlled Cooling and 2-Speed Fan
57
2-Pipe Installation with 1 Stage Digital Controlled Heating and 3 Speeds Fan
58
2-Pipe Installation with 1-Stage Analog Controlled Cooling and Analog Controlled Fan
59
2-Pipe Installation with 1-Stage Analog Controlled Heating and 1-Speed Fan
60
2-Pipe Installation with 1-Stage Analog Controlled Cooling and 2-Speed Fan
61
2-Pipe Installation with 1-Stage Analog Controlled Heating and 3-Speed Fan
62
Network Variables
63
FCU Bacnet Analogvalues and Modbus Registers
63
FCU Bacnet Binaryvalues and Modbus Coils
71
Disclaimer
76
Applied To: Universal FCU Application
76
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