KDB-GOM
Series
- 34 -
4.18.2.26 Test Operation Function
- It is priority of the set function of DIP switch.
- Pump operates for 2 hours. In case of open type, operate continuously after auto water filling when low water level is
happens.
- If releases test operation by manipulating DIP switch in standby status after performing test operation and sets again,
initializes test operation function and starts test operation.
- When low water level (pseudo flame) happens in case of closed air type, releasing automatically by the interval of one
minute and progresses continuously.
- When flow switch is ON in case of closed air type, stops pump and checks trouble.
- When DIP switch sets test operation, the power lamp flickers by repetition of ON for 1 second and OFF for 1 second.
4.18.2.27 Forced Maximum / Minimum Combustion Function
- When change-over switch sets to forced Max or forced Min, combusts by the set Max or Min according to the capacity
of the boiler after normal ignition. (PID control doesn’t.)
- When DIP switch sets for both forced Max and Min at the same time, combusts by forced Min.
- During combustion of forced Max / Min, operation of stopping time isn’t performed.
- If the test operation is ON in status of forced Max/Min operation, the function of forced Max / Min operation isn’t work.
4.18.2.28 Fault repair codes(room thermostat, FR-5)
FND No.
Problems
FND No.
Problems
01
Overheat
10
Air pressure failure
02
Low water level
11
Water level detection failure
03
Ignition failure
12
Flame failure in combustion
04
Flame sensor
(Lower gas pressure)
13
Heating water switch failure
05
Heating sensor wire disconnected
14
Gas alarm(optional)
06
Short circuit of heating sensor
15
MICOM failure
07
Hot water sensor wire disconnected
16
Mechanical overheat
08
Short circuit of hot water sensor
17
DIP switch setting error
09
Fan R.P.M. failure
18
4.18.2.29 Current Proportional Range Compensation
- Maximum current change by adjusting variable resistor for maximum current compensation.
- Current compensation range can be variable more than
±
20mA of maximum current.
4.18.4.30 The Others
- Heating flow switch is used to monitor water level of closure type (closed air type).
- Power lamp is always lit in the condition of power ON and flickers by the repetition of ON for 0.5 second and OFF for 0.5
second in the abnormal condition.
4.18.2.31 Secondary Gas Pressure according to Capacity of Boiler (mmAq)
Model
High Load
Low Load
NG
104
20
KDB – 161 GOM
LP
170
20
NG
104
20
KDB – 201 GOM
LP
150
30
NG
104
20
KDB – 251 GOM
LP
165
38
NG
106
20
KDB – 301 GOM
LP
156
30
