834641_12GB_032005.qxd 09.03.
834641_12GB_032005.qxd 09.03.2005 16:42 Uhr Seite 2 Table of contents Information to the documentation page Information to the documentation . . . . . . . . . . . . Attachment and safe storage of the documentation Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 2 1 General information . . . . . . . . . . . . . . . . . . . . . . 1.1 For your information . . . . . . . . . . . . . . . . . . . . . 1.2 Liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
834641_12GB_032005.qxd 09.03.2005 16:42 Uhr Seite 3 General information 1 1 General information 1.1 For your information Thank you for choosing a Vaillant boiler. The information given in this booklet will enable you to obtain the best performance from your boiler. aquaPLUS provides both central heating and domestic hot water, with the domestic hot water supplied directly from the boiler.
834641_12GB_032005.qxd 09.03.2005 16:42 Uhr Seite 4 2 Safety 2 Safety 2.1 Safety instructions 2.1.1 Setup and adjustments Installation and adjustment of the boiler as well as service maintenance and repair of the boiler may only be carried out by a competent person in accordance with the Gas Safety (Installation and Use) Regulations 1998. (In the U.K. "CORGI" Registered installers undertake the work to a safe and satisfactory standard).
834641_12GB_032005.qxd 09.03.2005 16:42 Uhr Seite 5 Operation 3 3 Operation 3.1 Overwiev 3.1.1 Operating controls For access to the controls pull the side edges of the lower front panel and drop it down.
834641_12GB_032005.qxd 09.03.2005 16:42 Uhr Seite 6 3 Operation 3.2 Initial checks before turning ON 1 3.2.1 Open the service valves • Ensure the cold water service valve is open. This can be checked by opening a hot water tap and ensuring water flows. • Ensure that the service valves in the heating flow and return (2 and 1) and the gas service valve (3) are open. Note! The flow, return and gas service valves are open when the line marking has the same direction as the pipe.
834641_12GB_032005.qxd 09.03.2005 16:42 Uhr Seite 7 Operation 3 b o C 3 o C o C a 1 b o C 1 VRC-VC o C o C I 0 a 2 Fig. 3.5: Domestic hot water supply Fig. 3.6: Switching the warm start on and off 3.3.1 Warmstart operation The warmstart facility provides instantaneous delivery of domestic hot water from the aquaPLUS boiler. When the warmstart system is switched ON the boiler will automatically light periodically to maintain the internal temperature of the boiler.
34641_12GB_032005.qxd 09.03.2005 16:42 Uhr Seite 8 3 Operation 3.4 Heating operation 3.4.2 Setting the external controls 3.4.1 Setting the maximum radiator temperature control • Set the room thermostat (3, accessory) and/or the thermostatic radiator valves (4, accessory) according to the instructions supplied with the control(s). • Turn the main switch (1) to the "l" position. • Set the maximum radiator temperature control to the desired setting using the control knob (2).
834641_12GB_032005.qxd 09.03.2005 16:42 Uhr Seite 9 Operation 3 3.5 Status display (For maintenance and service work performed by your installer or service agent) The status displays are activated by pressing the "i" button (1). The current status code, e.g. "S.34" for the frost protection mode, is shown on the display (2). Pressing the "i" button again will switch you back to the normal mode.
834641_12GB_032005.qxd 09.03.2005 16:42 Uhr Seite 10 3 Operation 3.7 Turning the boiler OFF 3.7.1 To turn OFF the central heating only (Summer smode) max. 3 x 2 STOP • Turn the maximum radiator temperature control knob used to control the heating supply temperature (1) all the way to the left. Note! You can switch off the heating operation in summer, for example, but the boiler will continue to provide domestic hot water whenever a hot water tap is opened. o C VRC-VC o C I 0 o C o C Fig. 3.
834641_12GB_032005.qxd 09.03.2005 16:42 Uhr Seite 11 Operation 3 3.7.2 To turn OFF central heating and hot water for short periods of time • Turn the main ON/OFF control (2) to the "0" position. Note! If you want to turn the aquaPLUS boiler OFF for a longer period of time (e.g. holidays), and there is no danger of frost, then you should also turn off the gas supply, the cold water service valve and the electrical supply. Please note the frost protection hints in this regard.
09.03.2005 16:42 Uhr Seite 12 834641_12GB 03 2005 Subject to alteration 834641_12GB_032005.
