Greystone Energy Systems LLC Series Catalog Page
FROST PROTECTION
THERMOSTAT
LLC Series
LLC-307 model
shown above
FEATURES:
• SPDT or DPDT
• Auto or manual reset version
• 6 meter (20’) capillary
• Optional capillary mounting clip
temperature monitoring
Peace of mind
through reliable
GREYSTONE HAS AN ISO 9001 REGISTERED QUALITY SYSTEM
DESCRIPTION:
The LLC series frost protection thermostats provide a switched output based on the average temperature
detected along a six meter (20 foot) capillary sensor.
The unit is xed across a duct using capillary mounting clips, downstream of the frost coil and is used to prevent
the icing up of lters, fans and coils.
SPECIFICATIONS:
Sensor Type ...................Vapor-lled copper capillary, tin plated
Probe................................2 mm (5/64”) diameter , 6.1 m (20’) length
Ambient Range ............-51˚ to 71˚C (-60˚ to 160˚F), operating
149˚C (300˚F) maximum at sensing element
Response ........................To lowest temperature sensed by any 30 cm (1’)
section of capillary element
Control Range...............SPDT:
...........................................DPDT:
Dierential.....................
Switch Action................SPDT or DPDT (two SPDT), snap acting
Electrical Ratings .........SPDT: 24 F.L.A. inductive @ 120/240 VAC
144 L.R.A. inductive @ 120/240 VAC
2 HP @ 120 VAC, 3 HP @ 240 VAC
720 VA max pilot duty @ 120-600 VAC
144 VA max pilot duty @ 24 VAC
DPDT: 14 F.L.A. inductive @ 120 VAC
84 L.R.A. inductive @ 120 VAC
3/4 HP @ 120 VAC
12 F.L.A. inductive @ 240 VAC
72 L.R.A. inductive @ 240 VAC
2 HP @ 240 VAC
720 VA max pilot duty @ 120-600 VAC
144 VA max pilot duty @ 24 VAC
Enclosures......................Plated steel case; plastic cover IP23 (NEMA 1)
Dimensions....................SPDT: 75 x 85 x 40 mm (2.94”h x 3.35”w x 1.57”d)
DPDT: 92 x 140 x 67 mm (3.63”h x 5.5”w x 2.63”d)
+1.7 to +20°C (35 to 68°F)
+1.1 to + 21°C (34 to 70°F)
2.5°C (4.5°F)
SPDT:
DPDT:
ORDER INFORMATION:
LLC-306 - SPDT Auto reset frost protection thermostat
LLC-307 - SPDT Manual reset frost protection thermostat
LLC-316 - DPDT Auto reset frost protection thermostat c/w 5 mounting clips
LLC-317 - DPDT Manual reset frost protection thermostat c/w 5 mounting clips
LLC-CLIPS - Capillary mounting clips
* Greystone reserves the right to make design changes at any time.
ENERGY SYSTEMS INC
Greystone Energy Systems Inc.
Greystone Energy Systems Inc. is one of North America’s
largest ISO registered manufacturers of HVAC/R sensors and
transmitters for Building Automation Management Systems.
We have conscientiously established a worldwide
reputation as an industry leader by maintaining leading-
edge design technology, prompt technical support, and
a commitment to on-time deliveries. We take pride in our
Quality Management System which is ISO 9001 certied,
assuring our customers of consistent product reliability.
GREYSTONE HAS AN ISO 9001 REGISTERED QUALITY SYSTEM
PRINTED IN CANADA Copyright © Greystone Energy Systems Inc. All Rights Reserved PB-LLC-01-01 07/13
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