INTRODUCTION Dear Customer Your Vokera Hydra boiler has been designed to meet and exceed the very latest standards in gas central heating technology, and if cared for, will give years of reliable use and efficiency. Please therefore take some time to read these instructions carefully.
Please take the time to fill out your guarantee FROST PROTECTION SYSTEM registration card. The completed warranty card The Hydra is equipped with a built-in frost should be posted within 30 days of installation. protection system, this enables the boiler to over- BENCHMARK LOG BOOK ride the time controls –...
clock or programmer has been fitted, please refer re required, when the hot water request has been to the instructions supplied with such. satisfied, the boiler may continue to operate if the pre-heat function is required. LIGHTING THE BOILER NOTE Ensure the gas and electrical supply to the boiler If the appliance fails to ignite during the ignition are turned on.
Displays during normal operation Left display shows Current status Stand-by mode Purging Ignition Heating mode Hot water mode Fan operation Timer delay Pump over run (CH) Pump over run (HW) Self check Fig. 3 DIGITAL DISPLAY Should a fault occur, the left side of the display The digital display shows the current mode of will show whether the fault is temporary or operation and/or status of the boiler.
PERATURE may be indicative of a fault, please contact your Usually your installer will have adjusted the hot installer or Vokera Customer Services for further water output to suit your requirements, however advice. if you would like to adjust the outlet temperature, HOW TO SHUT DOWN THE SYSTEM FOR please follow the instructions in section 2.4.
Advice for tenants only Your landlord should arrange for servicing. Advice for homeowners Please contact Vokera Customer Services (0870 333 0220 (UK) or 05655057 (ROI) if you would prefer a Vokera service engineer or agent to service your appliance. Alternatively your local...
Press the ‘m’ button until the actual minutes VOKERA DIGITAL CLOCK are showing in the display. The Vokera digital time clock will automatically Now release the button. switch your boiler on and off. It has a total of The ‘:’...
Press the ‘m’ button until the desired minutes are shown. Press the Select button until the symbol is shown (see fig. 10). Press the button. Fig. 9 Fig. 10 5.2.4 ENTERING (off) COMMANDS Repeatedly press the Prog. Button until the — :—...
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