Midea M thermal Mono Series Engineering Data page 54

7.3 FOR SERVICEMAN Menu
FOR SERVICEMAN allows installers to input the system configuration and set
the system parameters. To enter FOR SERVICEMAN, go to MENU > FOR
SERVICEMAN.
Enter the password, using ◄ ► to navigate between digits and using ▼ ▲ to
adjust the numerical values, and then press OK. The password is 234. Refer to
Figure 3-7.2
Then the following pages will be displayed after putting the password. Refer
to Figure 3-7.3
FOR SERVICEMAN
1. DHW MODE SETTING
2. COOL MODE SETTING
3. HEAT MODE SETTING
4. AUTO MODE SETTING
5. TEMP.TYPE SETTING
6. ROOM THERMOSTAT
OK ENTER
7.4 DHW MODE SETTING Menu
7.4.1 DHW MODE SETTING menu overview
MENU > FOR SERVICEMAN > DHW MODE SETTING
1 DHW MODE SETTING
1.2 DISINFECT
1.3 DHW PRIORITY
1.4 DHW PUMP
1.5 DHW PRIORITY TIME SET
ADJUST
1 DHW MODE SETTING
1.16 t_DI_MAX
1.17 t_DHWHP_RESTRICT
1.18 t_DHWHP_MAX
1.19 DHWPUMP TIME RUN
1.20 PUMP RUNNING TIME
ADJUST
In DHW MODE SETTING the following parameters should be set.
DHW MODE enables or disables DHW mode. For installations with DHW tanks, select YES to enable DHW mode. For
installations without DHW tanks, select NON to disable DHW mode.
DISINFECT sets whether or not the disinfection operation is performed.
DHW PRIORITY sets whether domestic hot water heating or space heating/cooling takes priority. If NON is selected in the
DHW PRIORITY mode, when it is available and the space heating/cooling is OFF, the heat pump will heat the water as
required. If space heating/cooling is ON, the water will be heated as required when the immersion heater is unavailable.
202005
Figure 3-7.3: FOR SERVICEMAN menu
FOR SERVICEMAN
1/3
7. OTHER HEATING SOURCE
8. HOLIDAY AWAY MODE
9. SERVICE CALL SETTING
10. RESTORE FACTORY SETTINGS
11. TEST RUN
12. SPECIAL FUNCTION
OK ENTER
Figure 3-7.4: DHW MODE SETTING menu
1 DHW MODE SETTING
1/5
1.6 dT5_ON
YES
1.7 dT1S5
YES
1.8 T4DHWMAX
YES
1.9 T4DHWMIN
YES
1.10 t_INTERVAL_DHW
NO N
ADJUST
4/5
1 DHW MODE SETTING
210 MIN
1.21 DHW PUMP DI RUN
30 MIN
120 MIN
YES
5 MIN
ADJUST
Midea CAC Confidential
Figure 3-7.2: FOR SERVICEMAN password screen
FOR SERVICEMAN
Please input the password:
OK ENTER
FOR SERVICEMAN
2/3
13. AUTO RESTART
14. POWER INPUT LIMITATION
SETTING
15. INPUT DEFINE
16. CASCADE SET
17. HMI ADDRESS SET
OK ENTER
2/5 1 DHW MODE SETTING
5 °C
1.11 dT5_TBH_OFF
10°C
1.12 T4_TBH_ON
43°C
1.13 t_TBH_DELAY
-10°C
1.14 T5S_DI
5 MIN
1.15 t_DI HIGHTEMP.
ADJUST
5/5
NON
M thermal Mono
0 0 0
ADJUST
3/3
3/5
5 °C
5 °C
30 MIN
65°C
15MIN
53