Installation, Mounting and Maintenance DISA-B
Z11/36 - 11
Construction subject to change.
No return possible!
09.05.2014
Version:
Nozzle configuration D
Nozzle configuration E
V
ZU
[m
3
/h] = supply air volume
Δ
P [Pa] = pressure loss
Troubleshooting
Vzu (m
3
/h)
0 20 40 60 80 100
200
0
2
0
4
0
6
0
8
0
100
200
300
'
P
(Pa.)
850-D
1000-D
1150-D
1300-D
1450-D
1600-D
Vzu (m
3
/h)
0 20 40 60 80 100
200
0
2
0
4
0
6
0
8
0
100
200
300
'
P
(Pa.)
850-E
1000-E
1150-E
1300-E
1450-E
1600-E
Problem
Possible cause
Solution
The unit does not cool or heat suffi-
ciently
Primary air volume not present or too low
Check primary air volume
Air inlet and outlet of the inner unit clogged
Remove foreign material and clean the unit
Air in the hydraulic system
Ventilation of the hydraulic system
Please inform the installer
Installed unfavourably or malfunctions at the temperature
control or sensor
Install thermostat in a different place
Clogging of the cooling/heating register
Clean the register in accordance with the
maintenance instructions
The unit is losing water
Condensate in the register
Modify the water inlet temperature
The water circuit of the register is leaking
Please inform the installer
Register damaged
Incorrect valve or hydraulic connection
The unit is working with too much
noise
The air intake or air blow openings or the lines are clogged. Remove foreign material and clean the unit
Loose screws and fastening elements
Tighten screws
Foreign material or dirt on register surface
Remove foreign material by careful
brushing
Primary air volume too large for selected configuration.
Check primary air volume
