To Next Page

To Previous Page

ICE CFA1120A-3360A & CGA3180A I&O Manual 03/2021 Rev.5

or enclosure and is certied by ETL for HVAC UL60950-1 and FCC47CFR compliance. In

addition to the control of HVAC equipment, CommStat Touch includes the RemoteLink IPv4/IPv6

communication module to provide status information, alarm notications, set point adjustment, and

remote HVAC conguration. See the CommStat Touch PDS for more details.

ICE SIMPLE COMFORT THERMOSTAT CONNECTION DIAGRAM

Figure 9. Thermostat Connection Diagram

Table of Contents1
Chapter 1 Description5
General Description5
Model Identification6
Serial Number Date Code6
Air Flow, Weights and Filter Sizes6
General Operation7
Table 1 Cooling Performance and Air Flow7
Table 2 Filter Sizes/Part Numbers7
Table 3 Shipping Weights & Dimensions7
Table 4 Refrigerant Charge7
Optional Controls and Packages9
Electrical Operation9
Figure 1A. Typical Electrical Schematics for Single Compressor Units10
Figure 1B. Typical Electrical Schematics for Dual Compressor Units11
Chapter 2 Electronic Control Board12
Introduction12
Installation and Replacement13
Operation13
Figure 2A. Setting the Speed for the Y1 and Y2 Operation for Indoor Motor14
Figure 2B. Second Stage Cooling Speed14
Figure 3. Output Termination for Indoor Motor Control Signal15
Figure 4. Outdoor Motor Speed Setting15
Figure 5. Output Termination for Outdoor Motor Control Signal15
Figure 6. Communications Setup16
Sequence of Operation17
Table 5 MODBUS Network Address DIP Swith Positions17
Table 6A. MODBUS Discrete Registers21
Table 6B. MODBUS Registers22
Chapter 3 Installation23
Equipment Inspection23
Installation Requirements23
Installation Materials24
Table 7 Minimum Clearances24
Table 8 Voltage Limitations24
Porting and Duct Work26
Top Flange Installation26
Installing the Lifting Brackets27
Mounting the Unit27
Figure 7. Top Flange and Lifting Bracket Installation27
Electrical Connections28
Figure 8. Wall Mounting Detail28
Figure 9. Thermostat Connection Diagram31
Chapter 4 Start-Up32
Check-Out of Cooling Cycle32
Check-Out of Heating Cycle32
Chapter 5 Troubleshooting33
Overview33
Failure Symptoms Guide34
Compressor Troubleshooting34
Control Board Diagnosis35
Chapter 6 Maintenance36
Scheduled Maintenance36
Chapter 7 Warranty37
Limited Product Warranty37
Chapter 8 Start-Up Checklist38
Start-Up Check List38
Appendix A Fresh Air Damper Installation42
Fresh Air Damper Installation42
Exhaust Hood Installation44
CFA1120A/1150A/3150A/3180A/3240A Reverse Flow W/Economizer Exhaust Hood Installation44

Brand	Airxcel
Model	ICE CFA1120A
Category	Air Conditioner
Language	English

Airxcel ICE CFA1120A User Manual

Table of Contents

Questions and Answers:

Airxcel ICE CFA1120A Specifications

Related product manuals