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Optional central heating time clocks for Vaillant Combination boilers:
TURBOmax VUW 242/1 E, VUW 282/1 E
All above listed boilers have a built in frost thermostat. This time clock is not suitable for use with an external frost thermostat.
INSTALLATION INSTRUCTIONS
ECOmax VUW 236 E, VUW 286 E
ECOmax 824 E, 828 E
24 hour time clock
7 day time clock
NOTE:
This time clock must only be installed by a competent person.
Art. No. 300 880
Art. No. 300 881
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Related Manuals for Vaillant TURBOmax VUW 242/1 E
Summary of Contents for Vaillant TURBOmax VUW 242/1 E
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Page 1: Installation Instructions
INSTALLATION INSTRUCTIONS Optional central heating time clocks for Vaillant Combination boilers: TURBOmax VUW 242/1 E, VUW 282/1 E ECOmax VUW 236 E, VUW 286 E ECOmax 824 E, 828 E 24 hour time clock Art. No. 300 880 7 day time clock Art. - Page 2 1. Plug in time clock installation with a TURBOmax VUW 242/1 E VUW 282/1 E • Isolate the boiler from the mains electricity supply by disconnecting the plug at the socket outlet (if there is an isolating switch only, remove the fuse from the switch).
- Page 3 • Release the time clock blanking plate (1, fig. 3) from the control box by pushing the retaining clips (2, fig. 3) down. The time clock blanking plate can now be pivoted forwards on locating lugs (3, fig. 3) and removed. •...
- Page 4 • Connect the time clock lead to the control board at the purpose provided connection point (1, fig. 4). The clock lead should be connected to the pins marked X14. (Note: The time clock operates on low voltage DC). • Connect the room thermostat (if required).
- Page 5 • Isolate the boiler from the mains 2. Plug in time clock electricity supply by disconnecting the installation with an plug at the socket outlet (if there is an isolating switch only, remove the fuse ECOmax from the switch). VUW 236 E, VUW 286 E •...
- Page 6 • Release time clock blanking plate (1, fig. 7) from the control box by pushing the retaining clips (2, fig. 7) down. The time clock blanking plate can now be pivoted forwards on locating lugs (3, fig. 7) and removed. •...
- Page 7 • Connect the time clock lead plug to the control board at the purpose provided connection point (1, fig. 8). The clock lead should be connected to the pins marked VRC. (Note: This time clock operates on low voltage DC). •...
- Page 8 3. Plug in time clock installation with an ECOmax 824 E, 828 E • Isolate the boiler from the mains electricity supply by disconnecting the plug at the socket outlet (if there is an isolating switch only, remove the fuse from the switch).
- Page 9 • Remove control box securing screw (1, fig. 10a) and lower control box. • Disconnect HT lead from rear of control box (1, fig. 10b). • Release mains electrical lead from securing clip on rear of control box (2, fig. 10b). •...
- Page 10 • Release time clock blanking plate (1, fig. 11) from the control box by pushing the retaining clips (2, fig. 11) down. The time clock blanking plate can now be pivoted forwards on locating lugs (3, fig. 11) and removed. •...
- Page 11 • Connect the time clock lead plug to the control board at the purpose provided connection point (1, fig. 12). (Note: This time clock operates on low voltage DC). • Connect the room thermostat (if required). The boiler is supplied with a link wire fitted between terminals 3 and 4 of the boiler terminal strip.
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Page 12: Connecting A Room Thermostat
4. Connecting a room Boiler Terminal Strip Remove link wire between terminals 20 V thermostat 3 and 4, if room thermostat is to be connected DO NOT USE! MAINS SUPPLY 230 V ROOM 50 Hz 3 A FUSE THERMOSTAT Refer to boiler installation instructions for full wiring details Fig. - Page 14 Head Office Sales 01634 292310 Vaillant Ltd., Vaillant House, Service Solutions 0870 6060777 Medway City Estate, Trident Close, Technical Advice 01634 292392 Rochester, Kent ME 2 4 EZ Training 01634 292370...