Toyotomi Laser 300 Service Manual page 25

L A S E R L A S E R
Section 4
Control Circuit Board
4-2
Time Chart
No Item
3
Differential 3
5
Maximum temperature
setting
Minimum temperature setting
Preheat reduction resistor 1
6
Preheat reduction resistor 2
7 Room thermistor combustion control (See the following diagram)
8 Initial room thermistor
combustion control
(after T7 ends)
Power saver operation
9
H E A T I N G H E A T I N G
Specification
6.0 ± 1.0deg Save flame extinguishing
+0.31 Set temperature: 90 deg. F
1.54 K
0.30
+0.74
Set temperature: 50 deg. F
5.46 K
0.71
15.6 ± 1.9deg A: Preheat for 90 sec.
+1.58
B: Preheat for 180 sec.
15.68 K
1.42
0.7 ± 2.5deg A: Preheat for 120 sec.
+4.51 B: Preheat for 360 sec.
33.85 K
3.77
+ 6.0℃
+ 2.0℃
+ 1.0℃
Set temperature
 1.0℃
H M H M L
For the set temperature:
High combustion Less than –1.0 deg.
Medium combustion
-1.0 to 0 deg.
Low combustion Over 0 deg.
2 ± 0.7deg Flame
temperature is exceeded by more than 2 degrees C.
Operation begins again when the temperature inside
the room falls below the set temperature during the
flame extinguishing process.
6 ± 1.0deg Flame
temperature is exceeded by more than 6 degrees C.
Operation begins again when the temperature inside
the room falls below the set temperature during the
flame extinguishing process.
S Y S T E M S S Y S T E M S
Trouble Shooting
Conditions
M L OFF M L
Normal operation
Save operation
extinguishing begins when
extinguishing begins when
Remarks
the set
the set
23
S E R V I C E M A N U A L