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Submittal

C 401

tekmarNet® 2 House Control 401

01/11 HVAC Systems Replaces: New

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The tekmarNet 2 House Control 401 is designed to operate all of the mechanical equipment in a residential hydronic heating system, coordinating their operation through network communication. It can be used in applications ranging from a single zone of baseboard with an on/off boiler, to multiple radiant floor zones with a modulating/condensing boiler. This control regulates one space heating water temperature through Outdoor Reset and Indoor Temperature Feedback. It is capable of controlling a single on/off, dual stage, or modulating boiler, Domestic Hot Water, setpoint loads, 4 on-board zone pumps, and can connect up to 24 zones in total. ®

Front View

Side View

Back View 1/2” Knock-out (x 4) Control designed to mount on 4” x 4” electrical box (not included). Electrical box shown comes with tekmar 009K

Made in Canada tN2 tN2 tN2 tN2 tN2 tN2 tN2 tN2 Zone 1 Zone 2 Zone 3 Zone 4

401

Stage 1

Zone 3

Stage 2 Mod dc/mA Boil Exp. + tN4 C

Zone 4

Zone 1

Zone 2

DHW Call H8006B

7/8” (22 mm)

Pump Power

Item House Control 401

Strip wires 1/2 inch (13 mm). Installed wires are not removable. 12-18 AWG

Setpoint Call

Menu

DHW Pump

Sensors - No Power

Com Boil Out Com DHW

5–1/2” (140 mm)

Input Power Use at least 167°F

C

R (75°C) conductors

CL 1–1/8” (30 mm) 5–1/2” (140 mm)

2–1/4” (57 mm) 4–1/2” (114 mm)

1/2” x 5/8” Ø 1/8” (3 mm) (12 mm x 16 mm) Knock-out (x 4)

7/8” x 1/2” (23 mm x 12 mm) Knock-out (x 4)

Specifications------------------------------------------------------ Energy Saving Features-----------tN2 House Control 401 Boiler, DHW & Setpoint, Four Zone Pumps Literature Control Packaged weight Dimensions Enclosure Approvals Ambient conditions Power supply Control load Zone pump relays Boiler stage 1, 2 relays DHW pump relay Pump power Setpoint and DHW calls Boiler modulation output Sensors –Included Warranty

D401, Q401, SB057 Microprocessor control. This is not a safety (limit) control 1.4 lb (640 g) 5.5” H x 5.5” W x 2.25” D (140 x 140 x 57 mm) Blue PC+ABS plastic, NEMA type 1 CSA C US, meets class B: ICES & FCC Part 15 Indoor use only, 32 to 104°F (0 to 40°C), RH ≤90% Noncondensing 24 V (ac) ±10%, 60 Hz, 100 VA max, Class 2 2 VA 115 V (ac) 5 A, 1/6 hp 24 V (ac) 5 A 115 V (ac) 5 A, 1/6 hp 115 V (ac) 12 A max Short, 0 - 32 V (ac)

• Outdoor Temperature Reset • Indoor Temperature Feedback up to 24 zones • Warm Weather Shut Down • Zone Synchronization • DHW Post Purge

Additional Features---------------• Expandable up to 24 zones • Single on/off, two stage, or modulating boiler control • DHW control • DHW Priority • Automatic Boiler Differential • Pump Exercising • Boiler Protection • Powered pump outputs • System Setback (with optional Timer) • One touch overrides (with optional User Switch)

0 - 10 V (dc) 500 Ω min load impedance, 4 - 20 mA 1 kΩ max load impedance NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892 Outdoor Sensor 070 and Universal Sensor 082 Limited 3 Year (See D401 for full warranty)

Special requirements

This control is designed to mount on a 4” x 4” Electrical box, and must be used with tekmarNet ® thermostats for communicated heat demands. www.tekmarcontrols.com

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© 2011

C 401 - 01/11

Sample Application Drawing Below is a sample application drawing for this product. This application may include other tekmar products that are required for installation. More sample applications can be found at www.tekmarcontrols.com. Sample Mechanical diagram S2

070

tekmarNet®2 Thermostats

401

Z1

Z2

Z3

Z4

S3

P1

S1

B1

Sample Electrical diagram

tekmarNet®2 Thermostats

Legend

Made in Canada tN2 tN2 tN2 tN2 tN2 tN2 tN2 tN2 Zone 1 Zone 2 Zone 3 Zone 4

Sensors - No Power

S2

Setpoint Call

S3

Menu

Stage 2 Mod dc/mA Boil Exp. + tN4 C

S1

Com Boil Out Com DHW

A1 = DHW Aquastat B1 = Boiler 1 S1 = Boiler Sensor S2 = Outdoor Sensor S3 = DHW Sensor P1 = DHW Pump P2 = Zone 1 Pump P3 = Zone 2 Pump P4 = Zone 3 Pump P5 = Zone 4 Pump

Item

1

Stage 1

DHW Call H8006B

House Control 401

B1

Input Power Use at least 167°F

C

R (75°C) conductors

R

L N

C

24 V (ac) Transformer 009

Back of House Control 401 (black)

P1

(black)

401

Zone 3

Zone 4

Zone 2 DHW Pump

Zone 1

Pump Power Strip wires 1/2 inch (13 mm). Installed wires are not removable. 12-18 AWG

P2 (black)

P3

(black)

P4

(black)

P5

(red)

l

N

to pump grounds

G l N 5 V (ac)

tekmar Control Systems Ltd., Canada, tekmar Control Systems, Inc., U.S.A. Head Office: 5100 Silver Star Road, Vernon, B.C. Canada V1B 3K4, 250-545-7749, Fax. 250-545-0650 Web Site: www.tekmarcontrols.com Product design, software and literature are Copyright © 2011 by: tekmar Control Systems Ltd. and tekmar Control Systems, Inc.

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All specifications are subject to change without notice. Printed in Canada. C 401 - 01/11.