Hach AS950 AWRS Bedienungsanleitung
DOC346.53.80501
AS950 Refrigerated Sampler
AS950 AWRS
04/2021, Edition 6
Installation and Maintenance
Table of Contents
Section 1 Specifications........................................................................................ 3
1.1 Refrigerated Sampler and All Weather Refrigerated Sampler (AWRS)................ 3
1.2 AS950 controller................................................................................................... 4
Section 2 General information............................................................................ 6
2.1 Safety information................................................................................................. 6
2.1.1 Use of hazard information.......................................................................... 7
2.1.2 Precautionary labels................................................................................... 7
2.1.3 Compliance and certification...................................................................... 8
2.2 Product overview.................................................................................................. 9
2.3 Product components........................................................................................... 10
Section 3 Installation............................................................................................. 10
3.1 Site installation guidelines.................................................................................. 11
3.2 Prepare the sampler........................................................................................... 11
3.2.1 Clean the sample bottles.......................................................................... 11
3.2.2 Install a single bottle................................................................................. 11
3.2.3 Install multiple bottles............................................................................... 12
3.3 Plumb the sampler.............................................................................................. 13
3.4 Electrical installation........................................................................................... 15
3.4.1 Connect the sampler to power.................................................................. 15
3.4.2 Controller connections.............................................................................. 16
3.4.3 Connect a Sigma 950 or FL900................................................................ 16
3.4.4 Connect a non-Hach flow meter............................................................... 16
3.4.5 Connect a sensor..................................................................................... 19
Section 4 Startup..................................................................................................... 19
4.1 Set the instrument to on...................................................................................... 19
4.2 Preparation for use............................................................................................. 20
Section 5 Maintenance......................................................................................... 20
5.1 Clean the instrument........................................................................................... 20
5.2 Replace the desiccant........................................................................................ 21
5.3 Pump maintenance............................................................................................. 21
5.3.1 Replace the pump tubing.......................................................................... 21
5.3.2 Clean the rotor.......................................................................................... 24
5.4 Replace the distributor arm tube......................................................................... 25
5.5 Replace the power supply—refrigerated sampler............................................... 25
5.6 Disposal.............................................................................................................. 26
Section 6 Troubleshooting................................................................................. 26
6.1 General troubleshooting..................................................................................... 26
Section 7 Replacement parts and accessories......................................... 27
7.1 Bottle kits—refrigerated sampler........................................................................ 27
7.2 Bottle kits—AWRS.............................................................................................. 28
7.3 Bottle sets—refrigerated sampler and AWRS.................................................... 28
7.4 Replacement parts—refrigerated sampler and AWRS....................................... 28
7.5 Accessories—refrigerated sampler..................................................................... 29
7.6 Accessories—AWRS......................................................................................... 30
7.7 Accessories—refrigerated sampler and AWRS.................................................. 31
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Table of Contents
2
Section 1 Specifications
Specifications are subject to change without notice.
1.1 Refrigerated Sampler and All Weather Refrigerated Sampler (AWRS)
Specification Refrigerated Sampler AWRS
Dimensions (W x D x
H)1
61 x 61 x 112 cm (24 x 24 x
44 in.)
76 x 81 x 130 cm (30 x 32 x 51 in.)
Weight 63.3 kg (140 lb) 86 kg (190 lb)
Power requirements
(includes
compressor)
115 VAC, 60 Hz, 3.3 A
(18 locked rotor amps)
230 VAC, 50 Hz, 1.7 A (9 locked
rotor amps)
115 VAC, 60 Hz, 4.2 A or 6.4 A with
controller compartment heater
230 VAC, 50 Hz, 2.7 A or 4.1 A with
controller compartment heater
Overload protection Thermal overload relay, opens at
100 to 110 °C (212 to 230 °F)
115 VAC: 7.5 A circuit breaker
230 VAC: 5.0 A circuit breaker
Compressor 1/6 HP 1/5 HP
115 VAC: 115 °C (239 °F) thermal
overload protector, 7.1 locked rotor
amps
230 VAC: 120 °C (248 °F) thermal
overload protector, 7.6 A peak start
current
Operating
temperature
0 to 50 °C (32 to 122 °F) 0 to 50 °C (32 to 122 °F); with AC
battery backup: 0 to 40 ºC (32 to
104 ºF); with controller compartment
heater: –40 to 50 °C (–40 to 122 °F);
with controller compartment heater and
AC battery backup: –15 to 40 ºC (5 to
104 ºF)
Storage temperature –30 to 60 °C (–22 to 140 °F) –30 to 60 °C (–22 to 140 °F)
Relative humidity 0 to 95% 0 to 95%
Installation category,
pollution degree
II, 2 II, 2
Protection class I I
Temperature control 4 (±0.8) °C (39 (±1.5) °F) in
ambient temperatures at a
maximum of 50 °C (120 °F)
4 (±0.8) °C (39 (±1.5) °F)2
Enclosure 22-gauge steel (optional
stainless steel) with vinyl
laminate overcoat
IP24, low-density polyethylene with UV
inhibitor
1Refer to Figure 1 on page 6 for the sampler dimensions.
2Radio frequency interference in the 30 to 50 MHz range can cause a maximum temperature
change of 1.3 °C (34.3 °F). Adjust the set point temperature to 2 to 10 °C (35.6 to 50 °F) to
correct this interference.
English 3
Specification Refrigerated Sampler AWRS
Sample bottle
capacity
Single bottle: 10 L (2.5 gal) glass or polyethylene, or 21 L (5.5 gal)
polyethylene
Multiple bottles: two 10 L (2.5 gal) polyethylene and/or glass, four 10 L
(2.5 gal) polyethylene and/or glass, eight 2.3 L (0.6 gal) polyethylene and/or
1.9 L (0.5 gal) glass, twelve 2 L (0.5 gal) polyethylene (AWRS only), twenty-
four 1 L (0.3 gal) polyethylene and/or 350 mL (12 oz.) glass
Certifications AC power supply: cETLus, CE
1.2 AS950 controller
Specification Details
Dimensions (W x H x D) 31.1 x 18.9 x 26.4 cm (12.3 x 7.4 x 10.4 in.)
Weight 4.6 kg (10 lb) maximum
Enclosure PC/ABS blend, NEMA 6, IP68, corrosion and ice resistant
Pollution degree/installation
category
3, II
Protection class II
Display ¼ VGA, color
Power requirements Refrigerated sampler: 15 VDC supplied by a power supply (115 to
220 VAC, 50/60Hz); AWRS: 15 VDC supplied by an integral power
supply
Overload protection 7 A, DC line fuse for the pump
Operating temperature 0 to 50 °C (32 to 122 °F); Refrigerated sampler: 0 to 49 °C (32 to
120 °F); AWRS with controller compartment heater: –40 to 50 °C
(–40 to 122 °F); AWRS with controller compartment heater and AC
battery backup: –15 to 40 °C (5 to 104 °F)
Storage temperature Refrigerated sampler: –40 to 60 °C (–40 to 140 °F); AWRS: –30 to
60 °C (–22 to 140 °F)
Storage/operating humidity 100% condensing
Pump Peristaltic high speed with spring-mounted Nylatron rollers
Pump enclosure Polycarbonate cover
Pump tubing 9.5 mm ID x 15.9 OD mm (3/8-in. ID x 5/8-in. OD) silicone
Pump tubing life 20,000 sample cycles with: 1 L (0.3 gal) sample volume, 1 rinse, 6-
minute pacing interval, 4.9 m (16 ft) of 3/8-in. intake tube, 4.6 m
(15 ft) of vertical lift, 21 °C (70 °F) sample temperature
Vertical sample lift 8.5 m (28 ft) for 8.8 m (29 ft) maximum of 3/8-in. vinyl intake tube at
sea level at 20 to 25 °C (68 to 77 °F)
Pump flow rate 4.8 L/min (1.25 gpm) at 1 m (3 ft) vertical lift with 3/8-in. intake tube
typical
Sample volume Programmable in 10-mL (0.34 oz) increments from 10 to 10,000 mL
(3.38 oz to 2.6 gal)
4 English
Specification Details
Sample volume repeatability
(typical)
±5% of 200 mL sample volume with: 4.6 m (15 ft) vertical lift, 4.9 m
(16 ft) of 3/8-in. vinyl intake tube, single bottle, full bottle shut-off at
room temperature and 1524 m (5000 ft) elevation
Sample volume accuracy
(typical)
±5% of 200 mL sample volume with: 4.6 m (15 ft) vertical lift, 4.9 m
(16 ft) of 3/8-in. vinyl intake tube, single bottle, full bottle shut-off at
room temperature and 1524 m (5000 ft) elevation
Sampling modes Pacing: Fixed Time, Fixed Flow, Variable Time, Variable Flow, Event
Distribution: Samples per bottle, bottles per sample and time based
(switching)
Run modes Continuous or non-continuous
Transfer velocity (typical) 0.9 m/s (2.9 ft/s) with: 4.6 m (15 ft) vertical lift, 4.9 m (16 ft) of 3/8-in.
vinyl intake tubing, 21 °C (70 °F) and 1524 m (5000 ft) elevation
Liquid detector Ultrasonic. Body: Ultem® NSF ANSI standard 51 approved, USP
Class VI compliant. Contacting liquid detector or optional non-
contact liquid detector
Air purge An air purge is done automatically before and after each sample.
The sampler automatically compensates for different intake tube
lengths.
Tubing Intake tubing: 1.0 to 30.0 m (3.0 to 99 ft) length, ¼-in. or 3/8-in. ID
vinyl or 3/8-in. ID Teflon™-lined polyethylene with protective outer
cover (black or clear)
Wetted materials Stainless steel, polyethylene, Teflon, Ultem, silicone
Memory Sample history: 4000 records; Data log: 325,000 records; Event log:
2000 records
Communications USB and optional RS485 (Modbus)
Electrical connections Power, auxiliary, optional sensors (2x), USB, distributor arm,
optional rain gauge, thermal (AWRS only)
Analog outputs AUX port: none; optional IO9000 module: Three 0/4–20 mA
outputs to supply the recorded measurements (e.g., level, velocity,
flow and pH) to external instruments
Analog inputs AUX port: One 0/4–20 mA input for flow pacing; optional
IO9000 module: Two 0/4–20 mA inputs to receive measurements
from external instruments (e.g., third-party ultrasonic level)
Digital outputs AUX port: none; optional IO9000 module: Four low voltage,
contact closure outputs that each supply a digital signal for an alarm
event
Relays AUX port: none; optional IO9000 module: Four relays controlled
by alarm events
Certifications CE, cETLus
English 5
Figure 1 Refrigerated sampler and AWRS dimensions
Section 2 General information
In no event will the manufacturer be liable for direct, indirect, special, incidental or consequential
damages resulting from any defect or omission in this manual. The manufacturer reserves the right to
make changes in this manual and the products it describes at any time, without notice or obligation.
Revised editions are found on the manufacturer’s website.
2.1 Safety information
The manufacturer is not responsible for any damages due to misapplication or misuse of this product
including, without limitation, direct, incidental and consequential damages, and disclaims such
damages to the full extent permitted under applicable law. The user is soley responsible to identify
critical application risks and install appropriate mechanisms to protect processes during a possible
equipment malfunction.
Please read this entire manual before unpacking, setting up or operating this equipment. Pay
attention to all danger and caution statements. Failure to do so could result in serious injury to the
operator or damage to the equipment.
6 English
Make sure that the protection provided by this equipment is not impaired. Do not use or install this
equipment in any manner other than that specified in this manual.
2.1.1 Use of hazard information
D A N G E R
Indicates a potentially or imminently hazardous situation which, if not avoided, will result in death or
serious injury.
WARNING
Indicates a potentially or imminently hazardous situation which, if not avoided, could result in death
or serious injury.
CAUTION
Indicates a potentially hazardous situation that may result in minor or moderate injury.
N O T I C E
Indicates a situation which, if not avoided, may cause damage to the instrument. Information that
requires special emphasis.
2.1.2 Precautionary labels
Read all labels and tags attached to the instrument. Personal injury or damage to the instrument
could occur if not observed. A symbol on the instrument is referenced in the manual with a
precautionary statement.
This is the safety alert symbol. Obey all safety messages that follow this symbol to avoid
potential injury. If on the instrument, refer to the instruction manual for operation or safety
information.
This symbol indicates that a risk of electrical shock and/or electrocution exists.
This symbol indicates that a risk of fire is present.
This symbol indicates that the marked item can be hot and should not be touched without
care.
This symbol indicates that the item is to be protected from fluid entry.
This symbol indicates that the marked item should not be touched.
This symbol indicates a potential pinch hazard.
English 7
This symbol indicates that the object is heavy.
This symbol indicates that the marked item requires a protective earth connection. If the
instrument is not supplied with a ground plug on a cord, make the protective earth
connection to the protective conductor terminal.
Electrical equipment marked with this symbol may not be disposed of in European
domestic or public disposal systems. Return old or end-of-life equipment to the
manufacturer for disposal at no charge to the user.
2.1.3 Compliance and certification
CAUTION
This equipment is not intended for use in residential environments and may not provide adequate
protection to radio reception in such environments.
Canadian Radio Interference-Causing Equipment Regulation, ICES-003, Class A:
Supporting test records reside with the manufacturer.
This Class A digital apparatus meets all requirements of the Canadian Interference-Causing
Equipment Regulations.
Cet appareil numérique de classe A répond à toutes les exigences de la réglementation canadienne
sur les équipements provoquant des interférences.
FCC Part 15, Class "A" Limits
Supporting test records reside with the manufacturer. The device complies with Part 15 of the FCC
Rules. Operation is subject to the following conditions:
1. The equipment may not cause harmful interference.
2. The equipment must accept any interference received, including interference that may cause
undesired operation.
Changes or modifications to this equipment not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment. This equipment has been tested
and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules.
These limits are designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference, in which case the user will be required to
correct the interference at their expense. The following techniques can be used to reduce
interference problems:
1. Disconnect the equipment from its power source to verify that it is or is not the source of the
interference.
2. If the equipment is connected to the same outlet as the device experiencing interference, connect
the equipment to a different outlet.
3. Move the equipment away from the device receiving the interference.
4. Reposition the receiving antenna for the device receiving the interference.
5. Try combinations of the above.
8 English
Andere Handbücher für AS950 AWRS
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1
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