Status Of The Appliance; Introduction; Operating Modes - A.O. Smith ADMR-40 Installation, User And Service Manual

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8
8.1

Introduction

Topics covered in this chapter:
• Operating modes;
• Error conditions;
• Service condition.
8.2

Operating modes

When running, the appliance 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 alternately
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 appliance 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 alternately
appliance's heating cycle")
• line three: the programmed water temperature
T ;
set
• line four: blank when the appliance is idle, or
depending on the heating cycle
appliance's heating cycle"), displays a text such as
HEAT DEMAND
ON
13:45 Thursday 67ÉC
Tset 75ÉC
Instruction manual ADMR
Status of the
appliance
(2.3 "The
T and T .
1 net
(2.3 "The
T and T .
1 net
(2.3 "The
8.2.3
EXTRA
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.
Once the period has passed, the appliance automatically
returns to the previous operating mode. The figure shows
the display with the following information:
• line one: the text EXTRA;
• line two: the time, the day and alternately
appliance's heating cycle")
• line three: the switch-on time, and the related
water temperature setting;
• line four: the text PERIOD ACTIVATED.
EXTRA
12:30 Thursday 76ÉC
TH 12:45 Tset 75ÉC
PERIOD ACTIVATED
8.2.4
PROG
In this mode a preset week program is active, and the
appliance responds continually to demand within the
time periods set in the week program. There are two
distinct situations possible in this mode:
PROG
10:00 Monday 76ÉC
MO 11:15 Tset 75ÉC
(2.3 "The
T and T ;
1 net
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