Difference Setpoint Control Zoom

Difference Setpoint Control

SKU:155

Brand: Tekmar

Tekmar
Qty Price
$269.35
/ each
In Stock! Ships in 24-48 Hours
(3 Available)
0

Resources

Specs

Application: Alternative Energy
Width: 2-7/8"
Height: 4-3/4"
Stages:
?
Difference Setpoint
User Interface: Push Button
LCD
Voltage:
?
24v
Depth (Inches): 7/8"
Ambient Conditions: Indoor Only: -20°-120°F < 90% RH non-condensing
Power Supply: Class 2
24 V (ac)
Relays: 240 V (ac) 10 A-1/3 hp-pilot duty 240 VA 2 A
Min Temp (F): -22°F
Temperature Range (F): -22°-185°F
Max Temp (F): 185°F
Control: Microprocessor Control
Weight (lbs): .7 lbs
Accuracy: +/- 0.5°F w/ up to 500 feet of 18 AWG wire to sensors
Sensors: NTC Thermistor
10 k ohm @ 77°F
Programmed Settings: Ten year memory backup
Enclosure Type: C
Temp Change at Setpoint: 2 to 90°F
Temp Change at Differential: 2 to 45°F
Min Source Differential: 2 to 45°F

Description for Tekmar 155

Control Description: The Difference Setpoint Control 155 is a microprocessor-based difference setpoint control intended for solar, wood stove or other intermittent heat source applications. The 155 is provided with Solar Drainback and Solar Draindown Operation and a Minimum Source Setpoint temperature setting to help prevent the freezing of pipes in a solar heating system. A Maximum Storage Setpoint can be used to help prevent the storage water temperature from exceeding a maximum limit. Literature + D 155, A 155's, D 001, D 070 Control + Microprocessor control; This is not a safety (limit) control Packaged Weight + 0.8 lb. (360 g), Enclosure C, white PVC plastic Dimensions + 4-3/4" H x 2-7/8" W x 7/8" D (120 x 74 x 22 mm) Approvals + CSA C US, meets ICES & FCC regulations for EMI/RFI Ambient Conditions + Indoor use only, -20 to 120+F (-30 to 50+C), < 90% RH non-condensing Power Supply + Class 2, 24 V (ac) +10% 50/60 Hz 2 VA or 32 V (dc) +20% 0.04 A Relays + 240 V (ac) 10 A, 1/3 hp, pilot duty 240 VA 2 A Sensors Included + NTC thermistor, 10 kΩ @ 77+F (25+C +0.2+C) +=3892 Two of Universal Sensor 071 Optional Devices + tekmar type #: 070, 071, 072, 073, 076, 077, 078, 079 Programmed Settings + Ten year memory backup Control Accuracy + +0.5+F (+0.3+C) with up to 500 feet (150 m) of 18 AWG wire to sensors ΔT Setpoint + 2 to 90+F (1 to 50+C) ΔT Differential + 2 to 45+F (1 to 25+C) Minimum Source + -22 to 185+F (-30 to 85+C) Min. Source Diff'l + 2 to 45+F (1 to 25+C) Maximum Storage + -4 to 248+F (-20 to 120+C) Max Storage Diff'l + 2 to 45+F (1 to 25+C) Temperature Display + Fahrenheit / Celsius

Difference Setpoint Control

Q&A: Ask the Questions, share answers

Do you have questions about this product?

get answers from real customers and in-house experts with AnswerBox.

1 Question | 1 Answer
Displaying question 1
  • Difference Setpoint Control

    Q:

    Does the 155 diff control maintain programing data when power is removed?
    Asked on 2/6/2014 by Dave from Bagram

    1 answer

    • CUSTOMER CARE

      A:

      Yes, the control unit has a 10 year memory backup feature.

      Answered on 3/6/2014 by PexSupplyStaff from New York
Displaying question 1

Do you have a question about this product?