Lennox INNOV DM R Series Application Manual page 84

1.4 Hydraulic section (CW version)
3-way valve
The 3-way valve used on INNOV@DM CW version units for inlet water flow regulation allowing a foundamentally
maximum precision's regulation on CCAC applications.
Tab. 3 Technical characteristics
Brand / valve's type
3
Kvs valve (m
PN valve
DP max. (kPa)
Connections (inch)
All INNOV@DM CW units are supplied with 3-way valve setted by 3 points motor. Upon request, is possible to
set an advanced precision control with 0 ÷ 10 V signal regulation.
Air presence on hydraulic circuit
It is necessary to leak air from the hydraulic circuit of unit after the connection to the external circuit. To do this,
open the frontal panels and remove the air filter; after this, open the small valve on the right-top side of the coil's
collector (take the front side of unit in reference). Use adapted tools for the manual valve's setting.
Fig. 5 Basic cooling circuit (CW version)
4 M
5
Pos. Description
1 Chilled water inlet
2 Chilled water outlet
3 3-way valve
4 Plug fan
INNOV@ CENT -AGU-0912-E
Frame 1
Controls VMT2
/h) 4
16
250
1/2"
2 1
3
6
Standard
Frame 2
Controls VMT2
4
16
250
1/2"
4 M
6
5
Opt. 2-way valve
Pos. Description
5 Coil heat exchanger
6 Breather valve
7 2-way valve (Opt.)
-
Frame 3
Controls VMBT3
6.3
16
170
3/4"
2 1
7
. 8 .