UHA S
TANDARD
U
NIT
H
EATER
I
NSTALLATION
O
PERATION AND
S
ERVICE
M
ANUAL
42 of 59
14.3 Troubleshooting for Flame Supervision System
NOTE:
Minimum flame probe current 1 μA DC. Typical flame probe current 3-5 μA DC.
To measure flame current, connect a 0 - 50 μA DC meter in series with the flame probe. If the meter
reads negative values, then reverse the test leads.
Содержание UHAS 150
Страница 2: ......
Страница 4: ......
Страница 8: ......
Страница 48: ...UHA STANDARD UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL 40 of 59 14 1 General...
Страница 68: ...UHA STANDARD UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL 60 of 59...
Страница 70: ......
Страница 71: ......
Страница 72: ......
Страница 73: ......
Страница 74: ......