honeywell rondostat hr20 spesification
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™ TrademarkCopyright © 1999 Honeywell Inc.All Rights Reserved EN 0H-273GE51 R0500
HR20RONDOSTAT
SPECIFICATION SHEET
GENERALThe Rondostat is an electronic radiator controller.The radiator valve is actuated via a battery powered motor.In operating mode, the Rondostat alternates between a comforttemperature and an economy temperature according to anadjustable timer program with 28 set points per week (4 individ-ual set points per day).The factory preset of the timer program is:6:00 – 22:00 h = 21°C and 22:00 to 6:00 h = 16°C.The set points for comfort and economy temperature as well asthe time periods are freely adjustable.A hand wheel allows a manual temperature adjustment. Turningthe hand wheel clockwise the temperature range is:
Off, 8 °C...28 °C, On.The open window function closes the valve if the temperaturedrops by 1.5 °C within 3 min. Normal operation is resumed aftera) turning the hand wheel, b) rise of the room temperature or c)after 45 minutes.Self monitoring functions: Protection against lime scale andfrost. A warning is issued if the batteries get flat. Automaticswitch to and from daylight saving time.
FEATURES• package includes adapters for most common valves
(see adapter table)• 2 temperatures settings (for comfort and economy tem-
perature)• timer function allows different heating periods• factory pre set for timer settings• free adjustable program• heating break function
• holiday function• child lock function• window function• lime-scale protection: (one full stroke once a week)• frost protection• manual temperature adjustment via handwheel• automatic adaption (may be manually triggerd)
SPECIFICATION ADAPTER TABLEManufacturer Required Adapter (Illustration)
Honeywell Braukmann,MNG, Heimeier, Junkers,Landis & Gyr "Duogyr"
No adapter required
Danfoss RA
(supplied)Danfoss RAV
(supplied)Danfoss RAVL
(supplied)
Power supply: 2 batteriesBattery types: LR6 AA AM3 (alkali manganese or
1.5 V Accu, or Lithium-batteryBattery lifetime: approx. 2 years (9 month for
rechargable)Dimensions 95 x 52 x 82 mm
EnvironmentalOperating temperature: 0° ... 40° CHumidity: 30% - 95% rh, non condensingShipping and storagetemperature: -20° ... 70° C
Protection class: IP30Interference suppression CE-conform according to EN50081-1
Control procedure PI-algorithmMinimal switching period 10 minResponsiveness 0.1°CMeasuring cycle 1 min
M28x1.5 and M30x1 valves:e.g. Herz, Oventrop, SAR ...
Available as accessory
HR20 RONDOSTAT
Home and Building Control ProductsHoneywell AGPostfach 10086563008 Offenbach, GermanySubject to change without notice. Printed in Germany Manufacturing location certified toPhone: +49/7031/637-01Fax: +49/7031/637-493http://europe.hbc.honeywell.com
MOUNTINGScope of supply
1
2
3
Fig. 1: Scope of supply
(1) Control element without batteries(2) valve attachment with adjusting dial(3) adapters and acessories
Inserting batteries1
2
Fig. 2: Pull off the control element
Turn retainer tab up and pull control element off the valveattachment. (1) and (2)Insert the batteries and turn battery clamp into place.
Regulator mounting
Fig. 3: Pull off thermostat control
Fig. 4: Turn wheel of adjusting dial anti-clockwise
1
2
Fig. 5: Push in the knurled nut and tighten securely
1
2
Fig. 6: Turn retainer tab up (1) and push the controlelement onto valve (2)
The adaption of the Rondostat can be manually triggeredby pressing the middle push button while pushing the con-trol element onto the valve.
Fig. 7: Turn retainer tab back