Page 20
XP17
Table 8. One Stage — Fan Motor Control RPM Jumper Settings, LED RPM Indicator and P2 DC
Voltage Outputs
Model
LED Code*
CFM Profile Pin Select
ECM1/Y1
4
3
2
1
RPM
(J2) DC Volt
XP17-024
5
OFF
ON
ON
ON
400
12.7
XP17-030
6
OFF
ON
ON
OFF
450
14.3
XP17-036, -042
8
OFF
OFF
ON
ON
600
19.2
XP17-048, -060
9
OFF
OFF
OFF
ON
675
21.6
* LED Code indicates fan motor control LED flash sequence. For example, LED Code 9 indicates 9 slow flashes and pause.
Table 9. Fan Motor Control Error/Fault LED Codes
Unit Status
Fan Motor Control LED
Possible Cause
Mismatched RPM
Fast Flash with no pause
Internal feedback, PWM does not match
target.
CRC Failure
Constant ON.
Microcontroller CRC failure.
Table 10. Fan Motor Control (A177) Unit LED Codes
Unit Status
Unit Status
Fan Motor Control LED
One Stage Operation
Low Stage — ECM1/Y1 ONLY
One slow flash, then short pause.
RPM Indicator
NOTE — There is a long pause between stage
operation and RPM indicator. See tables 1 and 2
for LED RPM indicator.
RPM Indicator
Appropriate number of flashes (See tables 8
and 2).
Flash Flash = Three flashes per second.
Slow Flash = One flash per second.
Short Pause = Two seconds of OFF time.
Long Pause = Five seconds of OFF time.
DEMAND
BEGINS
MISMATCHED
RPM
DEFAULT FAN
MOTOR SPEED
USED
LED CONTINUOUS FAST
FLASH
REPLACE FAN MOTOR
CONTROL BOARD
CRC FAILURE
DEFAULT FAN
MOTOR SPEED
USED
LED CONSTANT ON
REPLACE FAN MOTOR
CONTROL BOARD
SINGLE STAGE
OR EDA
OPERATION
ECM1/Y1
ONLY OR
ECM2/Y2
ONLY
STAGE LED INDICATOR: ONE
SLOW FLASH AND ONE
SHORT PAUSE FOR SINGLE
STAGE OR EDA OPERATION
LED RPM INDICATOR:
EXAMPLE: (2
−
TON
UNIT) – 5 SLOW
FLASHES AND ONE
LONG PAUSE
DEMAND
ENDED
NO
YES
FAN MOTOR
RPM SET PER
JUMPER
SETTINGS
Figure 8. Fan Motor Control One Stage LED Sequence of Operation
Содержание iComfort SL18XC1 Series
Страница 44: ...Page 44 XP17 Figure 21 Typical XP17 Wiring XP17 XX 230 06...
Страница 45: ...Page 45 XP17 Factory Wiring Diagrams Figure 22 Typical Factory Wiring XP17 XX 230 01...
Страница 46: ...Page 46 XP17 Figure 23 Typical Factory Wiring XP17 XX 230 02...
Страница 47: ...Page 47 XP17 Figure 24 Typical Factory Wiring XP17 XX 230 03 and 05...
Страница 48: ...Page 48 XP17 Figure 25 Typical Factory Wiring XP17 XX 230 06...