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Air and Water cooled inverter chillers and heat pump
D-EOMZC00105-17EN
Operation Manual
26/84
EWAD TZ - EWAD TZ B -EWWD VZ
Air and Water cooled inverter chillers and
heat pump
Setpoint/Sub-Menu
Default
Range
Description
TZ / TZ B
VZ
Actual Time=
12:00:00
12:00:00
Present time
Actual Date=
01/01/2014
01/01/2014
Present date
UTC Diff=
-60min
-60min
Difference with UTC
DLS Enable=
Yes
Yes
No, Yes
DLS Strt Month=
Mar
Mar
DayLight Saving time start month
DLS Strt Week=
2ndWeek
2ndWeek
DayLight Saving time start week
DLS End Month=
Nov
Nov
NA, Jan…Dec
DayLight Saving time end month
DLS End Week=
1stWeek
1stWeek
1
st
…5
th
week
DayLight Saving time end week
Quiet Mode=
Disable
N/A
Disable, Enable
Activate Quiet Mode
QM Start Hr=
21h
N/A
18…23h
Quiet Mode start hour
QM Start Min=
0min
N/A
0…59min
Quiet Mode start minute
QM End Hr=
6h
N/A
5…9h
Quiet Mode end hour
QM End Min=
0min
N/A
0…59min
Quiet Mode end minute
QM Cond Offset=
5°C
N/A
0.0…14.0°C
Quiet Mode condenser target offset
On board real time clock settings are maintained thanks to a battery mounted on the controller. Make sure that
the battery is replaced regularly each 2 years (see section 3.6).
4.2.10 Scheduler
This page allows to program the time scheduler
Setpoint/Sub-Menu
Default
Range
Description
State
Off
Off, On Setpoint 1, On Setpoint 2
Actual state provided by the time scheduler
Monday
-
Link to Monday scheduler programming page
Tuesday
-
Link to Tuesday scheduler programming page
Wednesday
-
Link to Wednesday scheduler programming page
Thursday
-
Link to Thursday scheduler programming page
Friday
-
Link to Friday scheduler programming page
Saturday
-
Link to Saturday scheduler programming page
Sunday
-
Link to Sunday scheduler programming page
Table below reports the menu used to program daily time slots. Six time slots can be programmed by the user.
Setpoint/Sub-Menu
Default
Range
Description
Time 1
*:*
0:00..23:59
Define the starting time of 1
st
time slot
Value 1
Off
Off, On Setpoint 1, On Setpoint 2
Define the unit state during 1
st
time slot
Time 2
*:*
0:00..23:59
Define the starting time of 2
nd
time slot
Value 2
Off
Off, On Setpoint 1, On Setpoint 2
Define the unit state during 2
nd
time slot
Time 3
*:*
0:00..23:59
Define the starting time of 3
rd
time slot
Value 3
Off
Off, On Setpoint 1, On Setpoint 2
Define the unit state during 3
rd
time slot
Time 4
*:*
0:00..23:59
Define the starting time of 4
th
time slot
Value 4
Off
Off, On Setpoint 1, On Setpoint 2
Define the unit state during 4
th
time slot
Time 5
*:*
0:00..23:59
Define the starting time of 5
th
time slot
Value 5
Off
Off, On Setpoint 1, On Setpoint 2
Define the unit state during 5
th
time slot
Time 6
*:*
0:00..23:59
Define the starting time of 6
th
time slot
Value 6
Off
Off, On Setpoint 1, On Setpoint 2
Define the unit state during 6
th
time slot
4.2.11 Power Conservation
This page resumes all the settings that allows chiller capacity limitations. Further explanations of the setpoint
reset options can be found in the chapter 7.2.
Setpoint/Sub-
Menu
Default
Range
Description
TZ/TZ B
VZ
Unit Capacity=
100.0%
100.0%
Demand Lim En=
Disable
Disable
Disable, Enable
Demand Limit Enable
Demand Limit=
100.0%
100.0%
Demand Limit Mode - Active demand limitation
Unit Current=
0.0A
E/M Only
Current Limit Mode (optional) - Unit current reading
Current Limit=
800A
800A
Current Limit Mode (optional) - Active Current limit
Flex Current Lm=
Disable
Disable
Disable, Enable
Flexible Current Limit Enable
Current Lim Sp=
800A
800A
0…2000A
Current Limit Mode (optional) - Current limit setpoint
Setpoint Reset=
None
None
None,
4-20mA,
Return, OAT
Setpoint Reset Type (OAT reset
Max Reset=
5.0°C
5.0°C
0.0…10.0°C
Setpoint Reset Mode - Max Reset of water temp. setpoint