Operating instructions
10. Additional service function
1. Press the “Service“ key in the main menu
2. Access the additional service menu with password:
Password: 1717 > confirm by pressing “OK“
3. Overview (see description on right)
4. Confirm by pressing the “RETURN“ and return to the main menu
KWL EC ...Pro unit display
Servicemenü Vorheizung
KWL EC ...WW unit display
22
Central ventilation units KWL EC 700/1400/2000 D Pro / WW
Installation and operating instructions
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Additional service function –
Symbol explanation
1. Flow rate Supply air ventilator
2. Flow rate Extract air ventilator
3. Supply air –outside air temperature (Ext. 1)
4. Pressure loss Filter F7- Supply air supply
5. Exhaust air sensor (WT frost protection), (Int. 2)
6. Extract air temp. of extracted air (Int. 1)
7. Pressure loss Filter (F5)- Extract air supply
8. Supply air temp. in the ventilation unit (Ext. 2)
9. Room temperature (Temp. control)
10. Pressure in the supply air duct
(behind the ventilation unit)
11. Supply air temp. in the supply air duct (Ext. 3)
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1
1
0
0
1111
6
6
77
33
44
11
2
2
Note:
55
88
99
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UK
Note:
The following applies to hot water devices or upon the
activation of an ext. hot water post-heater:
Wa => Frost protection sensor WW heater (T
alarm
)
Wr => Frost protection sensor WW heater return (T
water
)