Service And Maintenance - Mitsubishi Electric EHSC-VM2B Service Manual

Hide thumbs

Advertisement

Table of Contents
13

SERVICE AND MAINTENANCE

The main controller settings changed from the default settings are reset by replacing the controller board. To facilitate reselecting settings on the main controller, it is
recommended to write down the changes in the sheet below before replacement.
13-1. Engineers Forms (1/2)
Should settings be changed from default, please enter and record new setting in 'Field Setting' column. This will ease resetting in the future should the system use
change or the circuit board need to be replaced.
Commissioning/Field settings record sheet
Main controller screen
Main
Option
Setting
DHW *3
Legionella prevention *3
Heating/Cooling *2
Compensation
Hi set point
curve
Lo set point Zone1 outdoor ambient temp
Adjust
Holiday
Initial settings
*1 The settings related to Zone2 can be switched only when Zone2 temperature control is enabled (when Dip SW2-6 and SW 2-7 are ON).
*2 Cooling mode settings are available for ERSC-VM2B only.
*3 Only available if DHW tank present in system.
OCH532A
Zone1 heating room temp
Zone2 heating room temp *1
Zone1 heating fl ow temp
Zone2 heating fl ow temp *1
Cooling fl ow temp *2
Zone1 heating compensation curve
Zone2 heating compensation curve *1 −9°C - + 9°C
Holiday mode
Forced DHW operation
DHW
Heating
Holiday mode
Operation mode
DHW max. temp.
DHW temp. drop
DHW max. operation time
DHW mode restriction
Active
Hot water temp
Frequency
Start time
Max. operation time
Duration of maximum temp.
Zone1 operation mode
Zone2 operation mode *1
Zone1 outdoor ambient temp
Zone1 fl ow temp
Zone2 outdoor ambient temp *1
Zone2 fl ow temp *1
Zone1 fl ow temp
Zone2 outdoor ambient temp *1
Zone2 fl ow temp *1
Zone1 outdoor ambient temp
Zone1 fl ow temp
Zone2 outdoor ambient temp *1
Zone2 fl ow temp *1
DHW *3
Heating/Cooling *2
Zone1 heating room temp
Zone2 heating room temp *1
Zone1 heating fl ow temp
Zone2 heating fl ow temp *1
Cooling fl ow temp *2
Language
°C/°F
Temp. display
Time display
Room sensor settings for Zone1
Room sensor settings for Zone2 *1
Room RC zone select *1
83
Parameters
10°C - 30°C
10°C - 30°C
25°C - 60°C
25°C - 60°C
5°C - 25°C
−9°C - + 9°C
Active/Non active/Set time
On/Off
On/Off/Timer
On/Off/Timer
Active/Non active/Set time
Normal/Eco
40°C - 60°C
5°C - 30°C
30 - 120 mins
30 - 120 mins
Yes/No
60°C - 70°C
1 - 30 days
00.00 - 23.00
1 - 5 hours
1 - 120 mins
Heating room temp/Heating fl ow temp/Heating
compensation curve/Cooling fl ow temp
Heating room temp/Heating fl ow temp/Heating
compensation curve
−15°C - +35°C
25°C – 60°C
−15°C - +35°C
25°C - 60°C
−15°C - +35°C
25°C - 60°C
−15°C - +35°C
25°C - 60°C
−14°C - +34°C
25°C - 60°C
−14°C - +34°C
25°C - 60°C
Active/Non active
Active/Non active
10°C - 30°C
10°C - 30°C
25°C - 60°C
25°C - 60°C
5°C - 25°C
ENG/FR/GER/SW/SP/IT/DA/NL/FIN/NOR/PT
°C/°F
Room/DHW tank/Room&DHW tank /Off
hh:mm/hh:mm AM/AM hh:mm
TH1/Main RC/Room RC1-8/"Time/Zone"
TH1/Main RC/Room RC1-8/"Time/Zone"
Zone1/Zone2
Field
Default setting
Notes
setting
20°C
20°C
45°C
35°C
15°C
0°C
0°C
On
On
Normal
50°C
10°C
60 mins
30 mins
Yes
65°C
15 days
03.00
3 hours
30 min
Room temp
Compensation
curve
–15°C
50°C
–15°C
40°C
35°C
25°C
35°C
25°C
Non active
Active
15°C
15°C
35°C
25°C
25°C
ENG
°C
Off
hh:mm
TH1
TH1
Zone1

Advertisement

Table of Contents
loading