INSTALLATION AND USER INSTRUCTIONS TOWERCHRON QE1/QE2 80.10.0662.
Congratulations. You are the proud owner of a new GRÄ SSLIN TOWERCHRON QE. We recommend that you read the operation instructions carefully so that you can make the best use of all features offered by this product.
TECHNICAL DATA Dimensions Power supply Rating Memory locations Battery Battery reserve Installation Fitting Maximum ambient temperature Type 1 Action Micro disconnection Pollution protection 156x85x42 [mm] 240V/50Hz 5A (2A)/240V, per channel 28 per channel permanently fixed re-chargeable (not replaceable) 500 hours plus (after 70 hours charge) double insulated surface mounted or single gang plaster depth socket outlet 50 °C type 1B type 1B normal pollution situation
INSTALLATION PROCEDURE Remove onon fully pumped or or for for gravity hot hot water systems. RemoveQE1/QE2 QE1/ QE2 from frompacking packingand andprepare prepareit itforforuseuse fully pumped gravity water systems. d. For “fully pumped systems” the For gravity systems the switch switch must be positioned to the located at the rear of the QE2 right of the slot.
NB • Control is suitable for fixed wiring only. NB • If the unit is to be surface wired: - Remove backplate by slackening fixing screw and separate the plate from the timeswitch - Remove the knock-out from the backplate and the timeswitch - Screw backplate to wall with counter sunk No. 8. Wood screws, using fixing holes provided.
TABLE OF CONTENTS “TOWERCHRON QE1” Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Programming your “TOWERCHRON QE1” Setting current time and day . . . . . . . . . . . . . . . . . . . Start the inbuilt standard program . . . . . . . . . . . . . . . . View the inbuilt standard program . . . . . . . . . . . . . . . . Setting your own time program . . . . . . . . . . . . . . . . . . View/modify/delete your entered program selections . . .
TABLE OF CONTENTS “TOWERCHRON QE2” Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Programming your “TOWERCHRON QE2” Setting current time and day . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Start the inbuilt standard program . . . . . . . . . . . . . . . . . . . . . . . . . . View the inbuilt standard program . . . . . . . . . . . . . . . . . . . . . . . . . . Setting your own heating/hot water program 1. Setting your own heating times . . . . . . .
Open here, if you are programming Towerchron QE1.
“ TOWERCHRON QE1” APPLICATIONS (QE1) • Any simple time switching application up to the stated rating • Domestic heating systems where both heating and hot water services are required to switch ON and OFF at the same time • Controlling a “combi“ or “combination boiler“ 1
PROGRAMMING YOUR “TOWERCHRON QE1” SETTING CURRENT TIME AND DAY Open the keypad cover Make sure that the slide switch is on position “SET TIME AND DAY” to left. If the battery is in a fully discharged condition at the moment of installation then the screen will be blank. The screen will start to display approximately 2 minutes after plugging into mains supply. Now operate the “RESET”button.
START THE INBUILT STANDARD PROGRAM Move the slide switch to position “RUN PRESET PROGRAM”. NB • The inbuilt standard program is now active.
VIEW THE INBUILT STANDARD PROGRAM Make sure that the slide switch is on position “RUN PRESET PROGRAM”. Repeatedly press the “VIEW PRESET” button NB • Each press displays, one step at a time, the ON and OFF times for heating and hot water. Standard program is shown in the table. Monday to Friday Saturday to Sunday ON 6.30 a.m. 8.00 a.m. To return to time of day Press the “CLEAR” button The preset programm is activated 4 OFF 8.30 a.m. 11.00 a.m. ON 4.30 p.m. 4.00 p.m. OFF 10.30 p.m. 11.00 p.m.
SETTING YOUR OWN TIME PROGRAM It is recommended that you write down the switching times. The following day groups are selectable: Mon...Fri, Sat + Sun, Mon...Sat, Mon...Sun or any individual day. Move the slide switch to position “SET OWN PROGRAM” 1. To set “ON” time and day combination: Press “HOUR +/-” then “MINUTES +/-” buttons Press “DAY” button to select day/day groups 2. To store “ON” time and view the next program space Press the “SELECT” button 3.
4. To store “OFF” time and view the next program space Press “SELECT” button Repeat steps 1 to 4 to enter further “ON” and “OFF” times. 28 program spaces are available. After completing your own program: Move the slide switch to position “RUN OWN PROGRAM” NB • The current time is displayed and your own program is now active.
VIEW/MODIFY/DELETE YOUR ENTERED PROGRAM SELECTIONS Move the slide switch to position “ SET OWN PROGRAM” To view/modify your entered ON/OFF times: Press the “ SELECT” button repeatedly NB • While you are viewing any program selection, you can modify the contents with the “DAY”, “HOUR” and “MINUTES” button. To delete your entered ON/OFF times: Press the “ SELECT” button repeatedly until the desired ON or OFF time to be deleted appears. Press the “ CLEAR” button. The selection displayed will be deleted.
MANUAL OVERRIDE FUNCTIONS While the timeswitch is in the “RUN PRESET PROGRAM” or “RUN OWN PROGRAM” mode, and without having to open the keypad cover, you can manually override the program without disrupting the original settings by pressing the “SELECT” button.
CONST To switch ON permanently Press the “SELECT” button until the arrow in the display points to CONST (Constant) The timeswitch stays ON permanently until you move the arrow by using the “SELECT” button again. OFF To switch OFF permanently Press the “SELECT” button until the arrow in the display points to OFF The timeswitch stays OFF permanently until you move the arrow by using the “SELECT” button again.
INTERNAL WIRING DIAGRAM (QE1) OFF ON NB • Carry out wiring installation using appropriate diagram as shown. NB • When the TOWERCHRON QE1 timeswitch is to be used with a combination boiler, always refer to the boiler manufacturer instructions concerning wiring before using the information contained in this manual. In some cases, the boiler manufacturers instructions will contain information regarding removal of certain link wires and will always indicate the fuse rating for the mains electrical supply.
GENERAL INSTALLATION INSTRUCTIONS (QE1) Backplate Terminal Block Fixing Holes Earth Terminal Cable Knockout Fixing Screw The TOWERCHRON QE1 is double insulated, so earth protection is not required. However, in the backplate a terminal for earth continuity is provided which should be used if earth conductors are present in your cable. Make sure that the earth conductors are sleeved to prevent accidental contact with live parts.
WIRING INSTALLATION INSTRUCTIONS (QE1) Simple circuit for domestic central heating boiler with gravity hot water supply This diagram is correct for mains operated systems. The link wire L-3 must be fitted by the installer.
IMPORTANT NOTE: It is important that you always refer to the Boiler Manufacturers Instructions concerning electrical wiring before using the information contained in this manual. In some cases the Boiler Manufacturers Instructions will contain information regarding removal of certain link wires and will always indicate the fuse for the main electrical supply. QE1 Terminals N Roomstat Supply L E Combination boiler model Chaffoteaux Celtic 2.
Vaillant VCW 20/1 T3W Vaillant VCW 25/1 T3W Vaillant VCW SINE 18 T3W Vaillant VCW GB 182 EH Vaillant VCW GB 242 EH Vokera 18/72 MCF Vokera 21/84 MCF Vokera 21/84 Turbo Vokera 18/72 DMCF Vokera 21/84 DMCF Vokera 21/84 DC Turbo Vokera 20/80 RS Turbo Worcester Heatslave Senior 12 Worcester Heatslave Senior 20430 Worcester Heatslave Senior 6 Worcester Heatslave 9-24 RSF Worcester Heatslave 9-24 BF Worcester Heatslave 9-24 Worcester Heatslave High Flow BF Worcester Heatslave High Flow OF 14 1MP 1MP 1MP N 1 1 N
SAUNIER DUVAL SD625M Always use the special 24V thermostat supplied with this boiler, and wire as indicated in boiler instructions, substituting time switch terminals A and B for terminals 3 and 4 respectively on QE1.
ELM Leblanc GVM 420 16
Open here, if you are programming Towerchron QE2.
18
“ TOWERCHRON QE2” APPLICATIONS (QE2) • Fully pumped central heating systems using mid position valves, spring return valves or “power open”, power closed valves. • Gravity hot water, pumped heating systems with or without motorised valves fitted into the domestic hot water primary circuit.
PROGRAMMING YOUR “TOWERCHRON QE2” SETTING CURRENT TIME AND DAY Open the keypad cover Make sure that the slide switch is on position “SET TIME AND DAY” to the left. If the battery is in a fully discharged condition at the moment of installation then the screen will be blank. The screen will start to display 2 minutes after plugging into mains supply. Now operate the “ RESET” button.
START THE INBUILT STANDARD PROGRAM Move the slide switch to position “RUN PRESET PROGRAM”. NB • The inbuilt standard program is now active.
VIEW THE INBUILT STANDARD PROGRAM Make sure that the slide switch is on postion “RUN PRESET PROGRAM”. Repeatedly press the “COPY” button. NB • Each press displays, one step at a time, the ON and OFF times for heating and hot water. Standard program is shown in the table.
ON and OFF times for HEATING and HOT WATER Monday to Friday Saturday to Sunday To return to time of day Press the “CLEAR” button The preset program is activated. 23 ON 6.30 a.m. 8.00 a.m. OFF 8.30 a.m. 11.00 a.m. ON 4.30 p.m. 4.00 p.m. OFF 10.30 p.m. 11.00 p.m.
SETTING YOUR OWN HEATING/HOT WATER PROGRAM Both Heating and Hot Water will be turned ON and OFF at the same time. It is recommended that you write down the switching times (sheet attached). The following day groups are selectable: Mon...Fri, Sat + Sun, Mon...Sat, Mon...Sun or any individual day. Move the slide switch to position “SET OWN PROGRAM” The first program is displayed. 1.
2. To copy the first “ON” time for Hot Water: Press “COPY” button The arrows on the Hot Water side of the display will flash to confirm the copy instruction has been carried out. The display now jumps to the next free program space so that the OFF time can be input. Repeat steps 1 to 2 to enter further “ON” and “OFF” times. 28 program places are available.
SETTING YOUR OWN HEATING/HOT WATER PROGRAM (Heating and hot water will be turned ON and OFF at different times) 1. Setting your own heating times: Move the slide switch to position “SET OWN PROGRAM” The first program space is displayed. 1. To set Heating “ON” time and day combination: Press the “HOUR +/-” then “MINUTES +/-” buttons Press the “DAY” button to select day/day groups 2.
3. To set the first Heating “OFF” time and day combination Press the “HOUR +/-” then “MINUTES +/-” buttons (the day/day groups that were selected during “ON” time programming are still in memory for this “OFF” time) 4. To store Heating “OFF” time and day combination Press the “HEATING” button The next free program place is displayed. Repeat steps 1 to 4 to enter further “ON” and “OFF” times.
SETTING YOUR OWN HOT WATER TIMES: Move the slide switch to position “SET OWN PROGRAM” Press the “HOT WATER” button. The first program place is displayed. 1. To store Hot Water “ ON”time and day combination: Press the “HOUR +/-” then “MINUTES +/-” buttons Press the “DAY” button to select day/day groups 2. To store Hot Water “ ON”time and view the next program space Press the “HOT WATER” button 3.
4. To store Hot Water “ OFF” time and day combination: Press the “HOT WATER” button The next free program place is displayed. Repeat steps 1 to 4 to enter further “ ON” and “ OFF” times. After completing your own program: Move the slide switch to position “RUN OWN PROGRAM” NB • The current time is displayed and your own program is now active.
VIEW/MODIFY/DELETE YOUR ENTERED PROGRAM SELECTIONS Move the slide switch to position “ SET OWN PROGRAM” To view/modify your entered program selections: To view Heating times: Press the “ HEATING” button repeatedly To view Hot Water times: Press the “ HOT WATER” button repeatedly NB • While you are viewing any program selection, you can modify the contents with the “DAY”, “HOUR” and “MINUTES” button.
To delete your entered program selections: To delete Heating times: Press the “HEATING” button repeatedly until the desired ON or OFF time to be deleted appears. Press the “CLEAR”-button. The selection displayed will be deleted. To delete Hot Water times: Press the “HOT WATER” button repeatedly until the desired ON or OFF time to be deleted appears. Press the “CLEAR” button. The selection displayed will be deleted.
MANUAL OVERRIDE FUNCTIONS With the time switch is in the “ RUN PRESET PROGRAM” or “ RUN OWN PROGRAM” mode, and without having to open the keypad cover, you can manually override either program without disrupting the original settings by pressing the “Select” button.
CONST To switch ON permanently Press the “HEATING” or “HOT WATER” button until the arrow in the display points to CONST (Constant) The programmer stays ON permanently - until you move the arrow by using the “HEATING” or “HOT WATER” button again. OFF To switch OFF permanently Press the “HEATING” or “HOT WATER” button until the arrow in the display points to ADV (Advance) The programmer stays OFF permanently - until you move the arrow by using the “HEATING” or “HOT WATER” button again.
34
GENERAL INSTALLATIONS INSTRUCTIONS (QE2) Backplate Terminal Block Fixing Holes Earth Terminal Cable Knockout Fixing Screw The TOWERCHRON QE2 is double insulated, so earth protection is not required. However, in the backplate a terminal for earth continuity is provided which should be used if earth conductors are present in your cable. Make sure that the earth conductors are sleeved to prevent accidental contact with live parts.
INTERNAL WIRING DIAGRAM (QE2) NB • Carry out wiring installation using appropriate diagram as shown. NB • Plug in unit and secure to the base by tightening fixing screw.
WIRING INSTALLATION INSTRUCTIONS (QE2) Gravity Hot Water/Pumped Heating - System with roomstat controlled pump 37
The following wiring diagrams are schematic only (for clarity the earth and neutral connections are omitted). We suggest when wiring systems, a suitable wiring centre is used (the Tower controls wiring centre is purpose made and gives full information for wiring this programmer into compatible equipment). Gravity Hot Water/Pumped Heating System Two Port Valve in D.H.W.
Fully Pumped System using 2 Port Spring Return 39 Fully Pumped System using 3 Port Mid-Position Valve
Conversion Chart for Room / Cylinder Thermostats Cylinder Stats Room Stats 40 E S A T YEL E C D E M BLK Tower CS1 ACL HTS 2 Drayton CS1 Honeywell L641 A Landis & Gyr RAM21 Switchmaster SCT1 Sunvic SA 2451 C O M RED E 1 1 1 1 3 2 2 2 2 1 3 3 3 2 Tower SS Tower RS ACL TS 142 Drayton RTE Honeywell T 6160B Landis & Gyr RAD5 Switchmaster SRT2 Sunvic TLX2259 E N C O M D E M E E E E 4 4 4 4 2 4 1 1 1 1 1 6 1 3 2 3 2 2 3 2 3 1 5 3 4 S A T 3 4 2
