York HIDS006B21S - Page 48

3-26
SM-18001-rev.1
TROUBLESHOOTING
NOTICE:
This gure is applicable to the following thermistors.
1. Inlet Air Thermistor (THM1), 2. Liquid Pipe Thermistor (Freeze Protection) (THM3), 3. Gas Pipe Thermistor (THM5),
4. Outlet Air Thermistor (THM2), 5. Outside Air Thermistor or Remote Thermistor (THM4)
0
10
20
30
40
50
60
70
80
(-15) (-10) (-5) (0) (5) (10) (15) (20) (25) (30) (35) (40) (45) (50) (55) (60)
82
61
46
35
27
20.5
16
12.5
10
8
5.3
3.6
2.5
90
Thermistor
Resistance
(kΩ)
Thermistor Characteristics
514233241505968778695 104 113 122 131 140
Ambient Temperature (
o
F(
o
C))
Indication on Outdoor Unit PCB
(Alarm Code 11 ~ 19)
Unit No. of
Malfunctioning Indoor Unit
Alarm Code
(11 ~ 19)