Rapid 7500 136, Инструкция по установке, эксплуатации и обслуживанию

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7500-S
ERIES
I
NSTALLATION
, O
PERATION AND
S
ERVICE
M
ANUAL
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The follo w ing is di v ided into t w o b asic categories -
fan pro b lems and bu rner pro b lems. In some cases,
they interrelate. In order to u se this effecti v ely, yo u
sho u ld familiarize yo u rself w ith b oth categories.
19.1 Initial Checks
When enco u ntering any a b normal operation or fa u lt
conditions of the eq u ipment, all tro ub leshooting
sho u ld start w ith the follo w ing initial checks. If a
pro b lem is disco v ered in these initial checks, it m u st
b e corrected b efore mo v ing on in the tro ub le
shooting.
1. Compare v oltage and phase of s u pply po w er
on site w ith rating plate information.
2. Re v ie w w iring b et w een remote panel and
control panel. Do the electrical connections
match the s
u pplied w iring diagram?
3. Compare gas type and s u pply press u re on site
w ith rating plate information.
4. Check for proper fan rotation on air
t
u rno v er u nit.
• Fans po w ered w ith a three phase motor can
b e re v ersed b y s w apping any t w o incoming
po w er legs to the motor starter.
For fans po w ered b y a single phase motor,
refer to the motor rating plate for re v ersing
instr u ctions.