ERS24 Series: 24 Volt Room Thermostat 
 for Heating & Cooling HVAC Systems


Applications:

The ERT 24 series of thermostats are ideal for residential, office buildings, etc. This series is designed for use on HVAC systems using El. heat, oil, gas, central or hydronic heat and heat pumps or air-conditioning systems

Features:
  • 24 VAC
  • Large LCD Display
  • Temperature Limits
  • Return to it's setting after power outage
  • No battery required
  • Easy to install
  • Display ambient & set temperature
  • Cool, electrical heat, heat pump, gas or oil
  • Mounting plate WP2 Dim:6.1" x 4", WP3 Dim: 6.1" x 6.1"
  • Up to 2 stage Cool- 3 stage Heat
  • Auto Changeover

Specifications:

Product ERS 24 Series
Range 45° to 88°F.
Differential 1.2°F
Load Rating 2 Amps
Input  24 V AC
Wiring Connections Terminal strip
Dimensions: 3.25" x 5.65" x 1.3"


Models: 

Models Catalog No.   System                 Wire Connections       Electric Diagram
ERS24-H1 Heat only R, W, C  
ERS24-C1 Cool only R, Y, C, G  
ERS24-HC11 Cool/Heat Rh, Rc, W, Y, C, G  
ERS24-HC22 2 cool/2 Heat Rh, Rc, W1, W2, Y1, Y2, C, G  
ERS24-HP21 1 Cool/2 Heat (heat pump) R, Y, B/O, W2, C, G  
ERS24 SUPER All in one Electric diagram Press here


For retrofit: ERS24-H1 use relay board 24-3-4. ERS24-HC11 use 24-4-5

For 120-277 volts: use with relay boards PS 401-404

Get spec sheet in PDF

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Systems Controls & Instruments, L.L.C.
6140 Kit Road, Pipersville PA 18947 USA
Phone:  (800) 663-8107  *  (215)766-1487
Fax: (215) 766-1493 
Email: sales@scillc.com