36
1
2
5
3
4
6
Legend
Label cable
1
Connection bypass valve
Bypass
2
Frost valve connection
Frost
3
Connection control cable supply fan
M2
4
Drain fan control cable connection
M1
5
Supply fan connection
M2
6
Drain fan power supply connection
M1
e) Disconnect the connector of the bypass valve (1).
h) Disconnect the connector of the frost valve (2).
i) Remove the frost flap from the ventilation unit.
j) Clean or replace the frost valve.
k) Install the cleaned or new bypass valve or frost valve in
reverse order.
You can remove the fan modules for cleaning or replacement in the
following manner:
a) Disconnect the connectors (control cable and power cable)
(3; 4; 5; 6) from the fan modules.
b) Remove the fan modules from the ventilation unit.
f) Remove the bypass valve from the ventilation unit.
g) Clean or replace the bypass valve .
c) Clean or replace the fan modules.
d) Mount the cleaned or new fan modules in reverse
order.
Summary of Contents for HRU 400
Page 1: ...Itho Daalderop HRU 400 Installation use A...
Page 2: ...Original document...
