Hach AS950 AWRS User Manual

Table of contents
Specifications on page 3 Startup on page 18
General information on page 6 Maintenance on page 19
Installation on page 10 Troubleshooting on page 25
Additional information
Additional information is available on the manufacturer's website.
Specifications
Specifications are subject to change without notice.
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
1
Refer to Figure 1 on page 6 for the sampler dimensions.
2
Radio 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

Hach AS950 AWRS Specifications

General

Brand	Hach
Model	AS950 AWRS
Category	Refrigerator
Language	English