Modine Manufacturing 6-558.6 사용자 설명서

TROUBLESHOOTING GUIDE

Possible Cause

Possible Remedy

2a. Gas valve in off

2a. Turn to on position.

off position.

2b. System in lock-out

2b. Reset system.

mode.

2c. Cracked or broken

2c. Replace sensor.

sensor ceramic.

2d. Defective or loose

2d. Correct or replace.

connections to flame
sensor or flame
sensor lead.

2e. Incorrect gas

2e. Check and adjust if necessary to

pressure.

manufacturer’s recommendations
and replace if necessary.

2f.

Insufficient current

2f.

Check current according to

signal from flame

manufacturer’s recommendations

sensor.

and replace if necessary.

2g. Incorrect or loose

2g. Check wiring.

wiring.

2h. Poor ground to

2h. Check grounding means.

ignition control.

2i.

No power to ignition

2i.

Check voltage to controller and gas

controller or gas

valve.

2j.

Loose limit control

2j.

Check connections.

connections or

Replace limit control if necessary.

defective unit.

2k. Defective or plugged

2k. Inspect gas valve regulator.

gas valve regulator.

Replace if necessary.

2l.

Defective thermostat

2l.

Calibrate thermostat or replace if

or thermostat out

necessary.

of calibration.

2m. Thermostat heat

2m. Check anticipator setting and correct

anticipator

if necessary.

incorrectly set.

2n. Defective ignition

2n. Replace.

controller.

Possible Cause

Possible Remedy

3a. Flame sensing

3a. Check flame sensing rod, sensor

circuit failure.

ceramic, sensor lead and
connections for damage or loss of
continuity. Replace defective
elements.

3b. Soot on sensing rod.

3b. Clean off soot and adjust pilot to

smaller size.

3c. Blockage in heat

3c. Clean heat exchanger.

exchanger.

Determine cause and correct.

3d. Blockage in main

3d. Clean or replace orifice.

burner orifice.

Possible Cause

Possible Remedy

4a. Faulty thermostat

4a. Check thermostat and anticipator

or improper heat

setting. Replace if defective.

anticipator setting.

4b. Defective ignition

4b. Replace.

controller.

4c. Defective gas control. 4c. Replace.

2. Pilot lights, main burner will not light.

3. Burner shuts down before thermostat is satisfied.

4. Burner fails to shut off after thermostat is satisfied.

For Service . . .

If a qualified service person cannot solve the problem, consult
your local gas company or local Modine representative.

When servicing, repairing or replacing parts on these units
always give the complete Model Number (which includes power
code/control code) and Serial Number from the unit rating plate.

RATING PLATE IDENTIFICATION

When servicing, repairing or replacing parts on these units
always give the complete Model Number, Power Code Number,
Control Code Number and Serial Number from the unit rating
plate. The sample below shows what these numbers mean.

P - Propeller Unit
B - Blower Unit

S - Separated

Combustion

H - High Efficiency

F - Unit equipped with

intermittent pilot ignition

V - Unit equipped with

intermittent pilot ignition
and concentric vent
compatible.

MBH Input
150 - 150,000 Btu/hr input
170 - 170,000 Btu/hr input
225 - 225,000 Btu/hr input
etc.

Heat Exchanger Type
A - Aluminized
S - Stainless Steel

Control Code Type
30 - 115v/25v intermittent

pilot ignition, 100%
Shut-Off with continuous
retry, natural gas

31 - 230v/25v intermittent

pilot ignition, 100%
Shut-Off with continuous
retry, natural gas

etc.

Power Code
01 - 115v/60Hz/1φ
02 - 230v/60Hz/1φ
etc.

P S H 2 8 0 A V 0 1 3 0

MODEL NUMBER DESIGNATIONS

Motor Vendor Code
01 -

Century

05 -

Universal

etc.

Fan or Blower
Vendor Code
01 - Revcor
08 - Brookside
etc.

Series Identity Number
Identifies which series of controls
were furnished on the unit.

Sequence
Number

Year of Manufacture
96 -

1996

97 -

1997

etc.

Week of Manufacture
01 -

week of year

26 -

week of year

etc.

0 1 0 1 2 0 1 0 1 9 7 1 0 0 0

SERIAL NUMBER DESIGNATIONS

RATING PLATE

Power Code

Control Code

SERIAL NUMBER

MODEL NUMBER

01122010195

PSH280AF

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