SR
-SERIES
77
INITIAL GAS CHECKS
a)
Make
sure manual valve is turned on.
b)
Make sure
gas valve knob is turned on.
c)
Check for gas supply and proper pressure to valve.
d)
Check wires and make sure that they and their connections are in g
ood
condition.
e)
Check
for
power to valve.
f)
If no power, check control board. (see page 78)
ELECTRICITY AND GAS TO HEATER, BUT STILL INOPERATIVE
If after confirming that adequate gas and electricity are present and unit still does not operate, review
the symptoms below. After the symptom has been identified, refer to the corresponding cause/cure,
Review CHECK CONTROL BOARD section, and finalize troubleshooting procedure.
Symptom
Cause/Cure
1. Dead
A)
Miswired
B)
Transformer bad
C)
Fuse/circuit breaker bad
D)
Bad control (check LED for steady on)
2. Thermostat on - No Blower Output
A)
Miswired (check PSW terminal voltage)
B)
Bad thermostat - Do voltage @terminal W
C)
Bad control (check LED for steady on)
3. Pressure Switch input okay but no
Trial for Ignition after purge delay
A)
Miswired (check PSW terminal voltage)
B)
Flame sense problem (existing flame-check LED-2
Flashes)
C)
Bad control (check voltage between L1 & IND)
4. Valve on, no spark
A)
Shorted electrode
B)
Open HV cable
C)
Bad Control
5. Spark on, no valve
A)
Valve coil open
B)
Open valve wire
C)
Bad control (check voltage between V1 &V2)
6, Flame okay during TFI, no flame
sense (after TFI)
A)
Bad electrode
B)
Bad S1 or HV wire
C)
Poor ground at burner
D)
Poor flame (check flame current)
NOTE: TFI = Trial For Ignition
Содержание SR Series
Страница 17: ...SR SERIES 13 8 0 PACKAGING CONTENTS DESCRIPTION OF PARTS BURNER PACKAGE Figure 10 BURNER PACKAGE CONTENTS...
Страница 18: ...SR SERIES 14 PIPE BOXES Figure 11 PIPE BOX CONTENT...
Страница 19: ...SR SERIES 15 10 3 M REFLECTOR PACKAGE Figure 12 10 3 M REFLECTOR PACKAGE CONTENTS...
Страница 20: ...SR SERIES 16 15 4 16 M REFLECTOR PACKAGE Figure 13 15 4 16 M REFLECTOR PACKAGE CONTENTS...
Страница 21: ...SR SERIES 17 20 6 1 M REFLECTOR PACKAGE Figure 14 20 6 1 M REFLECTOR PACKAGE CONTENTS...
Страница 22: ...SR SERIES 18 30 9 1 M REFLECTOR PACKAGE Figure 15 30 9 1 M REFLECTOR PACKAGE CONTENTS...
Страница 23: ...SR SERIES 19 40 12 2 M REFLECTOR PACKAGE Figure 16 40 12 2 M REFLECTOR PACKAGE CONTENTS...
Страница 24: ...SR SERIES 20 50 15 2 M REFLECTOR PACKAGE Figure 17 50 15 2 M REFLECTOR PACKAGE CONTENTS...
Страница 25: ...SR SERIES 21 60 18 3 M REFLECTOR PACKAGE Figure 18 60 18 3 M REFLECTOR PACKAGE CONTENTS...
Страница 26: ...SR SERIES 22 70 21 3 M REFLECTOR PACKAGE Figure 19 70 21 3 M REFLECTOR PACKAGE CONTENTS...
Страница 27: ...SR SERIES 23 80 24 4 M REFLECTOR PACKAGE Figure 20 80 24 4 M REFLECTOR PACKAGE CONTENTS...
Страница 28: ...SR SERIES 24 10 3 M EXTENSION KIT Figure 21 10 3 M EXTENSION PACKAGE CONTENTS...
Страница 29: ...SR SERIES 25 SIDE REFLECTOR PACKAGE Figure 22 SIDE REFLECTOR PACKAGE CONTENTS...
Страница 30: ...SR SERIES 26 90 ELBOW PACKAGE Figure 23 90 ELBOW PACKAGE 180 U BEND PACKAGE Figure 24 180 U BEND PACKAGE...
Страница 34: ...SR SERIES 30 HORIZONTAL INSTALLATION 10 3 M REFLECTOR PACKAGE Figure 28 HORIZONTAL INSTALLATION 10 3 M PACKAGE...
Страница 56: ...SR SERIES 52 SIDE REFLECTOR Figure 52 SIDE REFLECTOR INSTALLATION...
Страница 62: ...SR SERIES 58 ROOF EXHAUST Single Unit Use B style chimney SINGLE UNIT INTO ONE 1 B Vent Chimney...
Страница 78: ...SR SERIES 74 24 0 GAS VALVES Figure 62 GAS VALVE Figure 63 PRESSURE REGULATOR...
Страница 94: ...SR SERIES 90...
Страница 95: ...SR SERIES 91...