HTV/HTD/HTH SERIES Heat Controller, Inc.
33
DIP Switch 4: DDC Output at EH2 -
provides selection for DDC operation. If set
to “DDC Output at EH2,” the EH2 terminal will
continuously output the last fault code of the
controller. If set to “EH2 normal,” EH2 will
operate as standard electric heat output.
On = EH2 Normal. Off = DDC Output at
EH2
Note: Some CXM controls only have a 2
position DIP switch package. If this is the
case, this option can be selected by clipping
the jumper which is in position 4 of SW1.
Jumper not clipped = EH2 Normal, Jumper
clipped = DDC Output at EH2.
DIP Switch 5
: Factory Setting - Normal
position is “On”. Do not change selection
unless instructed to do so by the factory.
Table 6: CXM and Alarm
Relay Operations
T
CAUTION! Do not restart units
without inspection and remedy of
faulting condition. Equipment
damage may occur.
Description of Operation LED Alarm Relay
Normal Mode ON Open
Normal Mode with UPS Warning ON Cycle (closed 5 sec., open 25 sec.)
CXM is Non-Functional OFF Open
Fault Retry Slow Flash Open
Lockout Fast Flash Closed
Over/Under Voltage Shutdown Slow Flash Open (closed after 15 minutes)
Test Mode - No Fault in Memory Flashing Code 1 Cycling Code 1
Test Mode - HP Fault in Memory Flashing Code 2 Cycling Code 2
Test Mode - LP Fault in Memory Flashing Code 3 Cycling Code 3
Test Mode - FP1 Fault in Memory Flashing Code 4 Cycling Code 4
Test Mode - FP2 Fault in Memory Flashing Code 4 Cycling Code 5
Test Mode - CO Fault in Memory Flashing Code 6 Cycling Code 6
Test Mode - Over/Under Shutdown in Memory Flashing Code 7 Cycling Code 7
Test Mode - UPS in Memory Flashing Code 8 Cycling Code 8
Test Mode - Swapped Thermistors Flashing Code 9 Cycling Code 9
- Slow Flash = 1 flash every 2 seconds
- Fast Flash = 2 flashes every 1 second
- Flash Code 2 = 2 quick flashes, 10 second pause, 2 quick flashes, 10 second pause, etc.
- On Pulse 1/3 second; Off Pulse 1/3 second
⌧ CAUTION! ⌧
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