Status Of The Water Heater; Introduction; Operating Modes - A.O. Smith BFC-28 Installation, User And Service Manual

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8
8.1

Introduction

This chapter covers the following topics:
•

Operating modes;

• Error conditions;
• Service condition;
• Anode warning.
8.2 Operating modes
When running, the water heater has four basic
operating modes, namely:
•
OFF
•
ON
•
EXTRA
•
PROG
8.2.1
OFF
In this mode, the frost protection is activated. The
figure shows the display with the following information:
• line one: the text OFF;
• line two: the time, the day and T
appliance's heating cycle")
• lines three and four: the text
FROST PROTECTION ACTIVATED.
OFF
13:45 Thursday 6ÉC
FROST PROTECTION
ACTIVATED
8.2.2
ON
In this mode, the water heater continually responds to
the hot water demand. The figure shows the display
with the following information:
• line one: the text ON;
• line two: the time, the day and T
appliance's heating cycle")
• line three: the programmed water temperature
T ;
set
• line four: is empty when the water heater is idle, or
depending on the operating cycle (9.3 "The
appliance's heating cycle"), displays a text such as
HEAT DEMAND.
ON
13:45 Thursday 67ÉC
Tset 75ÉC
Instruction manual BFC
Status of the water
heater
8.2.3
In this mode, one extra period is programmed and
activated. In this mode, the OFF orPROG mode is
temporarily overruled to fulfil a single period of
demand. When the period has passed, the water
heater automatically returns to the previous operating
mode. The figure shows the display with the following
information:
•
•
•
•
EXTRA
12:30 Thursday
TH 12:45
PERIOD ACTIVATED
. (9.3 "The
1
. (9.3 "The
1
EXTRA
line one: the text EXTRA;
line two: the time, the day and T
appliance's heating cycle")
line three: the switch-on time and the related water
temperature setting;
line four: the text PERIOD ACTIVATED.
76ÉC
Tset 75ÉC
; (9.3 "The
1
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