Technical Specifications
Dimension (h x w x d) — 6-5/8" x 7-9/16" x 2-13/16" (170 x 193 x 72mm)
Weight — 2.9 lbs (1.3 Kg)
Ambient — 30 to 120°F (0 to 50°C), < 95% RH non-condensing
Power supply — 24Vac ± 10%, 60Hz, 3VA class II
Relay capacity — SPST, 24Vac, 10 Amps
Sensors — Sensor 071, Outdoor Sensor 070. Accurate with up to 500 feet (150m) 18AWG cable
Control accuracy
— ± 1°F (± 0.5°C)
This electronic control does not exceed the Class B limits for radio noise emissions from digital apparatus as set out in the Radio Interference Regulations of the Canadian
Department of Communications. Le présent numérique n'émete pas de bruits radioeléctriques dépassant les limites applicables aux appareils numériques de Classe B
prescrites dans le réglement sur le brouillace radioeléctrique édicté par le Ministére des Communications du Canada.
Features
11 Indicator lights — Power, Heat Demand, DHW Demand, WWSD, Unoccupied, Min. Supply, System Pump, DHW Pump, Stage 1, Stage 2, Test
System pump output —
Isolated SPST relay contacts close when heating is required
DHW pump output —
Isolated SPST relay contacts close on DHW Demand
Stage 1 & 2 output — Isolated SPST relay contacts close to operate each stage
Test button — Initiates and controls pre-programmed test run
Error message display — Sensor faults are indicated by flashing light codes
Settings
Heating Curve — 0.4 to 3.6
DHW temperature — 80 to 200°F (27 to 93°C)
Minimum Supply — Off, 80 to 170°F (Off, 27 to 77°C)
Boiler Differential — 2 to 42°F (1 to 23°C)
Occupied — 35 to 105°F (2 to 41°C)
Unoccupied — 35 to 105°F (2 to 41°C)
Stage 1 switch — To switch Stage 1 off or into operating mode
Stage 2 switch — To switch Stage 2 off or into operating mode
Rotate switch — To allow boilers to rotate firing sequence based on hours of use
DHW Unoccupied switch — Generation/No generation of DHW during Unoccupied mode
DHW Priority switch — To make generation of DHW have priority over heating operation
DHW valve/pump switch — Selected for the type of device used when generating DHW
Heat Demand switch — External 24Vac signal or permanent internal signal
Zone Control/Sensor switch — Input from tekmar Zone Control or Indoor Sensor 074
12
In North America: tekmar Control Systems Ltd ., Canada
tekmar Control Systems, Inc., USA
Head office: 4611 - 23rd Street
Vernon, B.C. Canada V1T 4K7
Tel. (604) 545-7749 Fax. (604) 545-0650
All specifications are subject to change without notice.
Printed in Canada on recycled paper.
Product design, software and literature are Copyright © 1992 by:
tekmar Control Systems Ltd. and tekmar Control Systems, Inc.
Technical Data
Printed in Canada on recycled paper by
Wayside Press Ltd. Vernon / Kelowna, B.C.
Limited Warranty: tekmar warrants to the original purchaser each tekmar
product against defects in workmanship and materials when the product is
installed and used in compliance with tekmar's instructions. This limited
warranty covers the cost of parts and labour provided by tekmar to correct
defects in materials and/or workmanship. Returned products that are fully
operational are not considered a warranty case. tekmar also does not cover
parts or labour to remove, transport or reinstall a defective product. tekmar will
not be liable for any damage other than repair or replacement of the defective
part or parts and such repair or replacement shall be deemed to be the sole
remedy from tekmar. This warranty shall not apply to any defects caused or
repairs required as a result of unreasonable or negligent use, neglect, accident,
improper installation, or unauthorised repair or alterations. In case of defect,
malfunction or failure to conform to warranty, tekmar will, for a warranty period
of 24 months from the date of invoice to the original purchaser or 12 months from
the date of installation of the product, whichever occurs first, repair, exchange
or give credit for the defective product. Any express or implied warranty which
the purchaser may have, including merchantability and fitness for a particular
purpose, shall not extend beyond 24 months from the date of invoice or 12
months from the date of installation of the product, whichever occurs first.
Replacements: tekmar can send replacement products if requested. All
replacements are invoiced. Any possible credit for the replacement will only be
issued once the replaced product has been returned to tekmar.
Product Return Procedure: Products that are believed to have failed must be
returned to tekmar Control Systems Ltd. 4611-23rd Street, Vernon B.C. Canada
V1T 4K7 when agreed to by tekmar. The installer or other qualified service
person must, at the owner's expense, determine which component has failed.
The product must be returned complete with all of itscomponents (sensors,
base, etc.). Products must be returned together with the proof of purchase to the
original purchaser who then returns the product to tekmar after receiving a
Return Goods Authorisation (RGA) number from tekmar.
Please include the following information with the product: The full address of the
original purchaser, the RGA number and a description of the problem.
From the U.S.A., in order to avoid customs charges, products must be returned
via US Post with the package clearly marked with the RGA number, product type
and the statement "Canadian Product returned for repair". For shipping
purposes the product can be valued at one half list price.
1) If returned during the warranty period and the product is defective,
tekmar will issue full credit for the returned product less cost of
missing parts.
2) If returned during the warranty period and the product is fully
operational, tekmar will return the product to the original purchaser
for a testing cost of $30.00 plus postage.
3) If returned during the warranty period and the product is not
damaged and is fully operational, tekmar can take back the
product for a return charge of 40% of the product's net value. This
request has to be specified otherwise the product will be returned
with a testing cost of $30.00 plus postage.
4) If returned after the warranty period and the product needs repair,
tekmar will repair and return the product. Repair and postage
costs will be invoiced. tekmar's repair costs are calculated at
$30.00 / hour plus the cost of parts. If the repair costs will be more
than $60.00 a repair estimate will be sent to the original purchaser.
Limited Warranty and Product Return Procedure
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