COPELAND 026-1739 Programmable Touchscreen Thermostat User Manual
1.2 Terminal Identification and Electrical Ratings
Table 1-2 - Terminal Identification and Electrical Ratings
Maximum Current
Rating
Signal Name
Description
Voltage
C
R
24AVAC Power Supply Common
24AVAC Power Supply
18-30VAC 50/60Hz
18-30VAC 50/60Hz
18-30VAC 50/60Hz
18-30VAC 50/60Hz
18-30VAC 50/60Hz
18-30VAC 50/60Hz
18-30VAC 50/60Hz
18-30VAC 50/60Hz
18-30VAC 50/60Hz
18-30VAC 50/60Hz
18-30VAC 50/60Hz
2.0A
2.0A
1.0A
1.0A
1.0A
1.0A
2.0A
1.0A
1.0A
1.0A
1.0A
W1
W2
AUX
O/B
Rc
Heat Stage 1, relay output
Heat Stage 2, relay output
Dehumidification, relay output
Reversing Valve, relay output
24VAC Power Supply for Y1, Y2
Cool Stage 1, relay output
Cool Stage 2, relay output
Economizer, relay output
Fan Control, relay output
Reference for DC Signals
RS-485 B+ Signal
Y1
Y2
ECO
G
GND
B+
A-
RS-485 A- Signal
IN1
IN2
IN3
IN4
IN5
GND
Remote 10K thermistor (Indoor)
Remote 10K thermistor (Outdoor)
Remote 10K thermistor (Supply)
Remote Humidity sensor (0-5V)
Fan proof input
0-3.3VDC (10K NTC)
0-3.3VDC (10K NTC)
0-3.3VDC (10K NTC)
0-5VDC
0VDC or floating
Reference for DC Signals
026-1739 R4 Programmable Touchscreen Thermostat
2
©2024 Copeland LP.
| General | Details |
|---|---|
| Name | COPELAND 026-1739 Programmable Touchscreen Thermostat User Manual |
| Make | Copeland |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.72 MB |
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