Specifications

MONITOR HEATING SYSTEMS
Section 6: Troubleshooting
TEST POINT VOLTAGE
\Operation
\Mode
Test Point N,
TP2
TP3
TP4
TP5
TP6
TP7
Preparation
5V±10%
12V±30%
1.5-3.2V
pulse
OV
pulse at
plugin
Pre-purge
Pre-heat
5V±10%
12V±30%
1.5-3.2V
pulse
OV
5V
Igniting
low med 2 min.
5V±10%
12V±30%
1.5-3.2V
pulse
infinitly
variable
- 5V
Pre-burning 1
(C.F.M:Off)
5V±10%
12V±30%
1.5-3.2V
pulse
1.2V min.
5V
Pre-burning 2
(C.F.M:Low)
5V±10%
12V±30%
1.5-3.2V
pulse
1.2V min.
5V
\0peration
\Mode
Test Point\
TP2
TP3
TP4
TP5
TP6
TP7
High
5V±10%
12V±30%
1.5-3.2V
pulse
1.2V min.
5V
Medium-High
5V±10%
12V±30%
1.5-3.2V
pulse
1.2V min.
5V
Medium-Low
5V±10%
12V±30%
1.5 —3.2V
pulse
1 .2V min.
5V
Low
5V+10%
12V±30%
1.5 —3.2V
pulse
1.2V min.
5V
OFF
5V±10%
12V±30%
1.5-3.2V
pulse
OV
5V
Post-purge
5V±10%
12V±30%
1.5—3.2V
pulse
infinitly
variable
5V
Waiting until
Programmed
time comes on
5V±10%
12V±30%
1.5~3.2V
pulse
OV
5V
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