Model 90320 Microprocessor Temperature Controls — Data sheet
Mounting –
90320 controls mount to any standard well. Mount the
90320 directly to a well (new or existing) with hardware sup-
plied in the separate well mounting kit.
Well Kits –
Wells for 90320 sensors are available in the sizes shown
below. Well kits include sensor mounting hardware designed to
hold sensor securely in position.
Sensors –
Sensors are available separately for the 90320.
Configurations
3"
4
3
/
8
"
4
3
/
4
"
Error Codes
Error Code
Reason
01
Primary (K2) relay is welded on.
Note:
If the control is reset
from error code 01, the red LED will flash every 5 seconds
indicating the control must be replaced.
02
Primary & Safety relays (K1 and K2) on. The control cannot
be reset from error code 02 and must be replaced.
03
Primary & Safety relays (K1 and K2) are off.
Note:
If this
error is detected, the control will show error code
03
and
enter soft lockout two times to try and resolve the issue. If
the problem persists the control will enter hard lockout.
05
Simulated High Temp lockout. Push the RESET button.
06
Temp is above set high temp but below thermistor high
(250°F). This is a common occurrence once the burner
turns off.
Error Code
Reason
20
Temp sensor 1 out of range failure. Replace sensor 1.
21
Temp sensor 2 out of range failure. Push the RESET button.
22
High limit temp sensor out of range failure. Replace the
high temp sensor.
23
Temp sensor 1 pin is open. Replace sensor 1.
24
Temp sensor 2 pin is open. Replace sensor 2.
25
High limit temp sensor is open. Replace the high temp
sensor.
10
,
1 1
,
12
,
13
,
14
,
15
Internal hardware safety failure – unit should be replaced. Contact customer service for additional informa-
tion. 1-800-989-2275
