Model EWT-3611
Non-Programmable Digital Thermostat
Installer : Save these instructions for future use!
FAILURE TO READ AND FOLLOW INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR
OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY OR PROPERTY DAMAGE.
DESCRIPTION
TECHNICAL BULLETIN
The EWT-3611 is a Non-Programmable Digital Solid State
Thermostat.
Features:
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The Thermostat shall be powered by 24 vac and with a
AA battery as backup.
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Compatible Equipment: ULTRA-ZONE Control Panels:
ST-2E/3E, NCM-300, BMPlus3000 & UZC-4.
Single Stage Heating and Single Stage Cooling
Equipment. Gas, Electric, Oil or Hydronic.
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LCD continuously displays room temperature.
Temperature set point is displayed when it is being
changed.
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Temperature display can be configured in °F or °C.
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The Thermostat can be set between 45°F and 95°F.
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Backlit display.
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The thermostat terminal block has the following
terminals: Y, R, G, W, RC/O, RH/B and C.
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Air Filter Replacement Monitor.
TB-234 090375A0234 Rev. B
EWC Controls Inc. 385 Highway 33 Englishtown, NJ 07726 800-446-3110 FAX 732-446-5362 E-Mail- [email protected]
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Copyright © 2009 EWC Controls All Rights Reserved
Electrical Ratings
19-30VAC 60 Hz
1.0 Amp (Max load per terminal)
Thermal Ratings
Set point Temperature Range 45°F to 95°F
Operating Ambient Temperature 30°F to 99°F
Storage Temperature Range 14°F to 140°F
ATTENTION
!
This product does not contain mercury. However, this
product may replace a unit which contains mercury.
EWC Controls Inc. would like to advise all technicians
and consumers that all mercury thermostats should
be recycled. You can take your mercury thermostat
to your local HVAC wholesaler for recycling.
Contents:
1 EWT-3611 Thermostat
2 Plastic Wall Anchors
2 #8 x 1” Screws
1 TB-234 Technical Bulletin
Technical Data
Power
Working Environment
Range
Shell
Dimension
Connection Interface
24VAC, 50/60Hz + AA Battery
32°F~120°F
5~95%RH(non-condensing)
Fire Retardant PC ABS
3.5x5.1x1.2 in (HxWxD)
Each terminal is capable of accepting
2 x 18 AWG solid copper wires.
WARNING
!
Do not use circuits exceeding specified voltage. Higher
voltage will damage control and could cause shock or
fire hazard.
Do not short out terminals on gas valve or primary control
to test. Shorted or incorrect wiring will damage thermostat
and could cause personal injury and/or property damage.
Thermostat installation and all components of the system
shall conform to Class 2 circuits per the NEC code.
HEAT
TEMP
SET
fan
system
on
auto
cool
off
heat
Reset
F
COOL SPAN
FILTER
(Shown with Front Cover Removed)
Fig. 1
