Lochinvar EFW 85 Installation, Commissioning, User And Maintenance Instructions page 90

Wall mounted gas fired condensing water heater
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4.1.5 Other settings
Status Overview Settings
Modbus Address
Modbus Stop bits
4.1.5.1 Status Overview
Settings
Water Pressure
State
Temperature selection ID
Temperature selection
4.2 Boiler settings
4.2.1 Boiler Parameters
4.2.2 Module Cascade
Settings
4.2.3 Boiler Cascade
Settings
4.2.1 Boiler pa-
min.
rameters
CH mode
0
CH Setpoint
20
Calc. Setp. Offset
-10
CH Min Setpoint
20
CH Max Setpoint
50
Boiler Pump Over-
0
run
CH Hysteresis Up
0
CH Hysteresis
0
Down
Anti-Cycle Period
10
Anti-Cycle Temp.
0
Diff.
Max. Power CH
1
Min. Power CH
1
CH PID P
0
CH PID I
0
Design Supply
20
Temp.
Design Outdoor
-25
Temp.
Baseline Supply
20
Temp
Baseline Outdoor
0
Temp
90
min.
max.
De-
unit
fault
0
255
1
0...255
1
2
2
1 – 2
min.
max.
De-
unit
fault
On
Off/On
On
Off/On
On
min.
max.
Default
max.
De-
unit
Access
fault
level
5
0
#
Installer
90
90
⁰C
Installer
10
0
⁰C
Installer
50
20
⁰C
Installer
90
85
⁰C
Installer
900
20
sec.
Installer
20
20
⁰C
Installer
20
5
⁰C
Installer
900
10
sec.
Installer
20
16
⁰C
Installer
100
100
%
Installer
100
1
%
Installer
1275
20
Installer
1275
1000
Installer
90
90
⁰C
Installer
25
-5
⁰C
Installer
90
40
⁰C
Installer
30
20
⁰C
Installer
Access
Description:
level
User
Configure which information is shown on
the Status overview
User
Select the Modbus communication ad-
dress
User
Select the number of Modbus communi-
cation stop bits
Access
Description:
level
User
Enable/disable the CH water pressure
User
Enable/disable the burner state
User
Enable/disable the temp. selection
ID[Tx] where x is the number of the selec-
tion.
User
Select which temperature is displayed:
Outside temperature [T0]
Demand based [T1]
(Flow or DHW temperature based on ac-
tive demand)
Flow temperature [T2] ;
DHW temperature [T3] ;
System temperature [T4]
(module cascade flow/supply temp.)
Cascade temperature [T5]
(boiler cascade flow / supply temp.)
unit
Access
Description:
level
installer
Enter the Boiler Parameters menu
installer
Enter the Module Cascade Settings menu
installer
Enter the Boiler Cascade Settings menu
Description:
Set the CH mode
Set the CH setpoint
Set the offset for CH mode 1 / 2
calculated setpoint
Set the minimum CH setpoint (0-10V modes)
Set the maximum CH setpoint (0-10V modes)
Set the post-circulation time for the boiler/CH
pump
Set the CH hysteresis up
Set the CH hysteresis down
Set the burner anti-cycling period
Set the burner anti-cycling differentia
Set the maximum CH burner power
Set the minimum CH burner power
Set the PID P factor for CH
Set the PID I factor for CH
Set CH setpoint when outdoor temperature
equals Design Outdoor Temp.
Set the outdoor temperature at which CH set-
point is set to Design Supply T.
Set CH setpoint when outdoor temperature
equals Baseline Outdoor Temp.
Set the outdoor temperature at which CH set-
point is set to Baseline Supply T.
E93.1804.014
Display
no:
1
3
109
110
111
5
7
112
9
10
14
15
16
17
19
20
21
22

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Efw 105Efw 125Efw 155

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