Hach AS950 Basic Installation And Maintenance

Also see for AS950 AWRS: Operation manual Basic Installation and Maintenance Basic Installation and Maintenance Basic operations Installation and Maintenance

Contents

Hach AS950 Basic Installation And Maintenance Manual pdf 3 page image

Table of contentsSpecifications on page 3 Startup on page 18General information on page 6 Maintenance on page 19Installation on page 10 Troubleshooting on page 25Additional informationAdditional information is available on the manufacturer's website.SpecificationsSpecifications are subject to change without notice.Refrigerated Sampler and All Weather Refrigerated Sampler (AWRS)Specification Refrigerated Sampler AWRSDimensions (W x D xH)161 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 lockedrotor amps)230 VAC, 50 Hz, 1.7 A (9 locked rotoramps)115 VAC, 60 Hz, 4.2 A or 6.4 A with controllercompartment heater230 VAC, 50 Hz, 2.7 A or 4.1 A with controllercompartment heaterOverload protection Thermal overload relay, opens at100 to 110 °C (212 to 230 °F)115 VAC: 7.5 A circuit breaker230 VAC: 5.0 A circuit breakerCompressor 1/6 HP 1/5 HP115 VAC: 115 °C (239 °F) thermal overloadprotector, 7.1 locked rotor amps230 VAC: 120 °C (248 °F) thermal overloadprotector, 7.6 A peak start currentOperating temperature 0 to 50 °C (32 to 122 °F) 0 to 50 °C (32 to 122 °F); with AC batterybackup: 0 to 40 ºC (32 to 104 ºF); withcontroller compartment heater: –40 to 50 °C(–40 to 122 °F); with controller compartmentheater 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 degreeII, 2 II, 2Protection class I ITemperature control 4 (±0.8) °C (39 (±1.5) °F) in ambienttemperatures at a maximum of 50 °C(120 °F)4 (±0.8) °C (39 (±1.5) °F)21 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 temperaturechange of 1.3 °C (34.3 °F). Adjust the set point temperature to 2 to 10 °C (35.6 to 50 °F) tocorrect this interference.English 3