Mitsubishi Electric CITY MULTI CMH-WM250V-A Manuel D'installation page 3

3
[Fig. 3.2.1]
4
[Fig. 4.1.1]
1. Hydro units connectable to outdoor units
Standard models
Unit model
PUHY-M200
*1
PUHY-M250
*2
*3
PUHY-M300
*4
PUHY-M350
PUHY-M400 *5
PUHY-M450
PUHY-M500
2. Connecting pipe diameter of outdoor unit
Standard models
Unit model Liquid
PUHY-M200 ø9.52 (ø3/8)
*1 ø9.52 (ø3/8)
PUHY-M250
*2 ø12.7 (ø1/2)
*3 ø9.52 (ø3/8)
PUHY-M300
*4 ø12.7 (ø1/2)
PUHY-M350 ø12.7 (ø1/2)
PUHY-M400 *5 ø12.7 (ø1/2)
PUHY-M450 ø15.88 (ø5/8)
PUHY-M500 ø15.88 (ø5/8)
3. Connecting pipe diameter of hydro unit
Liquid
CMH-WM250V-A ø9.52 (ø3/8) ø22.2 (ø7/8)
CMH-WM350V-A ø12.7 (ø1/2)
CMH-WM500V-A ø15.88 (ø5/8)
If the connecting pipe diameter of hydro unit differs
from that of outdoor unit, expand or reduce the pipe
diameter at the inlet of the hydro unit.
A
B
C
D
E
A
High-efficient models
Hydro unit
Model name
CMH-WM250V-A
PUHY-EM250
PUHY-EM300
CMH-WM350V-A
PUHY-EM400 *5
CMH-WM500V-A
High-efficient models
Gas
ø22.2 PUHY-EM250
(ø7/8)
PUHY-EM300
PUHY-EM400 *5 ø12.7 (ø1/2)
ø28.58
(ø1-1/8)
Gas
ø25.4 (ø1)
ø25.4 (ø1)
A To outdoor unit
B End connection (brazing)
C Hydro unit
D To main piping
E Indoor unit
E E E
3.2
A M10 anchor bolt (not supplied)
B
B (Incorrect installation) The corner section is not securely received.
C Fixing bracket for post-installed anchor bolts (not supplied) (To be
D Anti-vibration rubber pad (The pad needs to be large enough to
4.1
Hydro unit
Unit model Model name
PUHY-EM200
*1 CMH-WM250V-A
*2
*3
*4 CMH-WM350V-A
PUHY-EM350
PUHY-EM450 CMH-WM500V-A
PUHY-EM500
Unit model Liquid
PUHY-EM200 ø9.52 (ø3/8)
*1 ø9.52 (ø3/8)
*2 ø12.7 (ø1/2)
*3 ø9.52 (ø3/8)
*4 ø12.7 (ø1/2)
PUHY-EM350 ø12.7 (ø1/2)
PUHY-EM450 ø15.88 (ø5/8)
PUHY-EM500 ø15.88 (ø5/8)
*1 When the piping length from the outdoor unit to the hydro unit is less than
90 m (295 ft)
*2 When the piping length from the outdoor unit to the hydro unit is
90 m (295 ft) or more
*3 When the piping length from the outdoor unit to the hydro unit is less than
40 m (131 ft)
*4 When the piping length from the outdoor unit to the hydro unit is
40 m (131 ft) or more
*5 When the unit is used alone
C
fixed with three screws)
cover the entire width of each unit leg.)
Gas
ø22.2
(ø7/8)
ø28.58
(ø1-1/8)
D
3