6. Basket Lift malfunctions.
The probable causes of each category are discussed in the following sections. A series of Troubleshooting Guides is included at the end of the chapter to assist in identifying some of the more common problems.
1.9.1 Pilot Failures
There are two categories: no pilot flame and unreliable flame.
No pilot flame
1.No gas or insufficient gas supply
2.Clogged pilot orifice
3.Air in gas lines ( usually in new installations)
Unreliable flame
1.Open or grounded high limit
2.Loose/corroded wire connections
3.Low or no voltage out of thermopile
4.Bad gas valve
1.9.2 Problems Related to the Gas and/or Electrical Current
CONTROL CIRCUIT FOR THE 35 SERIES MILLIVOLT IGNITION SYSTEM
PILOT
GENERATOR
.ADJ |
|
|
PILOT |
|
|
.I.S.P 1/2 |
| P.S.I.1/2 |
PILOT |
| |
HONEYWELL |
|
|
| C | HONEYWELL |
ON | OFF | |
1/2 P.S.I. |
|
|
HONEYWELL |
|
|
2C
1C
|
|
|
| ROBERTSHAW |
|
|
|
| OPERATING |
|
|
|
| THERMOSTAT |
| OFF | 4 |
| |
|
|
| 0 |
|
|
|
| 0 |
|
0 |
|
|
| 8050438B |
0 |
|
| 3 |
|
2 |
|
|
| |
|
| 5 |
| |
|
|
| 0 |
|
0 |
|
| 3 |
|
5 |
|
| ||
| 2 | 00 |
| |
HI-LIMIT
THERMOSTAT
12C
INSET 1
SAFETY DRAIN
SWITCH
17C
IN LINE SPLICE
INSET 2
ON/OFF
SWITCH
(OPTIONAL) 17C
IN LINE SPLICE
FENWALL
OPERATING
THERMOSTAT