EWC Controls EWT-3611 Technical Bulletin

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
The EWT-3611 is a Non-Programmable Digital Solid State
Thermostat.
Features:
The Thermostat shall be powered by 24 vac and with a
AA battery as backup.
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.
LCD continuously displays room temperature.
Temperature set point is displayed when it is being
changed.
Temperature display can be configured in °F or °C.
The Thermostat can be set between 45°F and 95°F.
Backlit display.
The thermostat terminal block has the following
terminals: Y, R, G, W, RC/O, RH/B and C.
Air Filter Replacement Monitor.
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
Technical Data
Power
24VAC, 50/60Hz + AA Battery
32°F~120°F
Working Environment
5~95%RH(non-condensing)
Range
Fire Retardant PC ABS
Shell
3.5x5.1x1.2 in (HxWxD)
Dimension
Each terminal is capable of accepting
Connection Interface
2 x 18 AWG solid copper wires.
TB-234 090375A0234 Rev. B
EWC Controls Inc. 385 Highway 33 Englishtown, NJ 07726 800-446-3110 FAX 732-446-5362
TECHNICAL BULLETIN
Non-Programmable Digital Thermostat
Copyright © 2009 EWC Controls All Rights Reserved
Model EWT-3611
F
FILTER
SET
TEMP
COOL SPAN
HEAT
system
fan
on auto
off
cool heat
(Shown with Front Cover Removed)
Contents:
1 EWT-3611 Thermostat
2 Plastic Wall Anchors
2 #8 x 1" Screws
1 TB-234 Technical Bulletin
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.
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.
E-Mail- info@ewccontrols.com
Reset
Fig. 1
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