Atec 8000, Operation And Maintenance Manual, Page: 59 / 80

140-072011 200/202 Series
Page 3 of 24
Table of
Contents
1. GENERAL INFORMATION....................................................................................................................................4
1.1. F
EATURES
............................................................................................................................................................4
1.2. S
PECIFICATIONS
HFM-200
*
.................................................................................................................................5
1.3. S
PECIFICATIONS
HFC-202
*
..................................................................................................................................5
1.4. O
PTIONAL
4-20
M
A C
URRENT
O
UTPUT
...............................................................................................................6
1.5. O
THER
A
CCESSORIES
...........................................................................................................................................6
1.5.1. Hastings Power supplies.................................................................................................................................6
1.5.2. Interconnecting Cables ...................................................................................................................................7
2. INSTALLATION AND OPERATION .....................................................................................................................8
2.1. R
ECEIVING
I
NSPECTION
.......................................................................................................................................8
2.2. P
OWER
R
EQUIREMENTS
.......................................................................................................................................8
2.3. O
UTPUT
S
IGNAL
...................................................................................................................................................8
2.4. M
ECHANICAL
C
ONNECTIONS
...............................................................................................................................9
2.4.1. Standard Configuration ..................................................................................................................................9
2.4.2. LFE Configuration .........................................................................................................................................9
2.5. E
LECTRICAL
C
ONNECTIONS
...............................................................................................................................10
2.6. O
PERATION
........................................................................................................................................................11
2.6.1. Operating Conditions ...................................................................................................................................11
2.6.2. Zero Check ...................................................................................................................................................12
2.6.3. High Pressure Operation ..............................................................................................................................12
2.6.4. Blending of Gases ........................................................................................................................................12
2.7. O
PERATION WITH
E
XTERNAL
D
EVICES
..............................................................................................................12
2.7.1. Operation with a Hastings power supply......................................................................................................12
2.7.2. Operation with a Power Supply other than a Hastings .................................................................................13
2.7.3. Operation with an external sensor (Fig. 2.2) ...............................................................................................14
2.7.4. Response to Command Changes ..................................................................................................................14
2.8. R
ANGE
C
HANGING
.............................................................................................................................................15
2.9. V
ALVE
-O
VERRIDE
C
ONTROL
.............................................................................................................................15
3. THEORY OF OPERATION ...................................................................................................................................16
3.1. O
VERALL
F
UNCTIONAL
D
ESCRIPTION
................................................................................................................16
3.2. S
ENSOR
..............................................................................................................................................................16
3.3. E
LECTRONICS
....................................................................................................................................................17
3.4. S
HUNT
...............................................................................................................................................................17
3.5. V
ALVE
...............................................................................................................................................................18
4. MAINTENANCE......................................................................................................................................................19
4.1. A
UTHORIZED
M
AINTENANCE
.............................................................................................................................19
4.2. T
ROUBLESHOOTING
...........................................................................................................................................19
4.3. ADJUSTMENTS ..............................................................................................................................................20
4.3.1. Calibration Procedure: (Figure 4.1)..............................................................................................................20
4.3.2. Miscellaneous adjustments...........................................................................................................................21
4.4. E
ND
C
AP
R
EMOVAL
...........................................................................................................................................21
4.5. P
RINTED
C
IRCUIT
B
OARD
R
EPLACEMENT
..........................................................................................................21
4.6. S
ENSOR
R
EPLACEMENT
.....................................................................................................................................21
4.7. O
RIFICE
C
HANGES
.............................................................................................................................................21
4.7.1. HFC-202 Orifice ..........................................................................................................................................22
5. WARRANTY AND REPAIR ..................................................................................................................................24
5.1. W
ARRANTY
R
EPAIR
P
OLICY
..............................................................................................................................24
5.2. N
ON
-W
ARRANTY
R
EPAIR
P
OLICY
.....................................................................................................................24