Grant Instruments LTC4 - Manual (Page 31)

LTC4 31115 V1
Operating Manual Page 30
www.grantinstruments.com
6.0 Technical specifications
6.1
Operating conditions
Ambient temperature range 5 to 40°C
Altitude above sea level Up to 2,000m (6,500ft)
Operating environment Indoor use only
Maximum relative humidity 80% RH up to 31°C decreasing to 50% RH at 40°C
6.2
Electrical details
Mains supply:
230V @ 50Hz or 120V @ 60Hz
Pollution degree: 2
Installation category: II
Mains supply voltage fluctuations are not to exceed ±10% of the nominal supply voltage.
6.3
Specification
Specification LTC4 LTC4L
Typical cooling power at an
ambient of 20°C
@ 20°C 900W
@ 0°C 500W
@ -10°C 300W
@ -20°C 180W
@ -30 ˚C 40W
Heater power 1.8kW 1.5kW
Stability (DIN 12876) ±0.1°C
Uniformity (DIN 12876) ±0.1°C
Settable temperature range -50°C to 150°C
Working temperature range -30°C to 100°
Refrigerant charge R134a 500gm
Tank capacity 20L
Top opening 230/305mm
Liquid depth min/max 80/140mm
Drain Yes
Max pump head pressure 310mBar
Max pump flow rate 18l/min
Switchable refrigeration Yes
Safety 100°C limit Cut-out
Safety freezing protection 5°C thermostat & switch
Safety (high pressure) 27 Bar
Max current consumption
9A Tx150,
3.7A R unit
12.5A-TX150,
6.8 R unit