Brochure
Emerson Climate Technologies
90
EX Valves & Controls
EX2 – Pulse Modulated Electric
144
Electrical Control Valves Series EX2
Pulse width modulated with exchangeable orifices
Can be used with EC2 display case controllers
Features
• Pulse width modulated
• Shut-off function eliminates the necessity of a separate
solenoid valve
• Dampened plunger reduces noise effects of water hammer
• One valve body can be combined with 6 orifices to make
7 capacity ranges up to 18.7 kW (R407C)
• Applicable to all common refrigerants (HCFC, HFC) and for
subcritical CO
2
applications
• Long lifetime, high reliability
• PS: 40bar, TS: -40 to +65°C
Selection Chart
* Orifice should be selected at max. 80% of Q
n
to allow covering the load fluctuation
EX2 with Orifice
Type Part No. Function
Capacity Q
n
at 100% open Valve (kW) *
R134a R22 R404A R507 R407C R744
R407F
EX2-M00 801 091 10 mm inlet / 12 mm outlet ODF
13.3 17.2 12.1 12.1 18.7 35.0
19.2
EX2-I00 801 090
3
⁄
8
” inlet /
1
⁄
2
” outlet ODF
EXO-004 801 089 Orifice 4
8.5 10.9 7.7 7.7 11.8 22.2
12.2
EXO-003 801 088 Orifice 3
5.6 7.2 5.1 5.1 7.8 14.6
8.0
EXO-002 801 087 Orifice 2
3.3 4.3 3.0 3.0 4.7 8.7
4.8
EXO-001 801 086 Orifice 1
2.5 3.2 2.3 2.3 3.5 6.5
3.6
EXO-000 801 085 Orifice 0
1.2 1.6 1.1 1.1 1.7 3.3
1.8
EXO-00X 801 084 Orifice X
0.7 0.9 0.6 0.6 1.0 1.8
1.0
ASC 24V 801 062 Coil 24 VAC 50-60Hz (8W)
For other operating conditions the selection tool “Copeland Select”
can be downloaded from www.emersonclimate.eu, or use correc-
tion factors with following formula:
Q
n
= Q
o
x K
t
x K
∆
p
Q
n
: Nominal valve capacity
Q
o
: Required cooling capacity
K
t
: Correction factor for evaporating and liquid
temperature
K∆p: Correction factor for pressure drop at valve
The nominal capacity (Qn) is based on the following conditions:
Refrigerant Evaporating temperature Condensing temperature Subcooling
R407C, R407F +4°C (dew point)
+38°C bubble point /
+43°C dew point
1K
R22, R134a, R404A, R507 +4°C +38°C 1K
R744 -40
°C
-10
°C
1K
Description Type PCN (single packing) PCN (bulk packing)
Plug and cable assembly (1.5 m) ASC-N15
804570 804570M
Plug and cable assembly (3.0 m) ASC-N30
804571 804571M
Plug and cable assembly (6.0 m) ASC-N60 804572 -
Plug PG9 Plug 801012 -
Plug PG11 Plug 801013 -
Electrical Control Valves Series EX2
Pulse width modulated with exchangeable orifices
Can be used with EC2 display case controller
s
Features
144
Electrical Control Valves Series EX2
Pulse width modulated with exchangeable orifices
Can be used with EC2 display case controllers
Features
• Pulse width modulated
• Shut-off function eliminates the necessity of a separate
solenoid valve
• Dampened plunger reduces noise effects of water hammer
• One valve body can be combined with 6 orifices to make
7 capacity ranges up to 18.7 kW (R407C)
• Applicable to all common refrigerants (HCFC, HFC) and for
subcritical CO
2
applications
• Long lifetime, high reliability
• PS: 40bar, TS: -40 to +65°C
Selection Chart
* Orifice should be selected at max. 80% of Q
n
to allow covering the load fluctuation
EX2 with Orifice
Type Part No. Function
Capacity Q
n
at 100% open Valve (kW) *
R134a R22 R404A R507 R407C R744
R407F
EX2-M00 801 091 10 mm inlet / 12 mm outlet ODF
13.3 17.2 12.1 12.1 18.7 35.0
19.2
EX2-I00 801 090
3
⁄8” inlet /
1
⁄2” outlet ODF
EXO-004 801 089 Orifice 4
8.5 10.9 7.7 7.7 11.8 22.2
12.2
EXO-003 801 088 Orifice 3
5.6 7.2 5.1 5.1 7.8 14.6
8.0
EXO-002 801 087 Orifice 2
3.3 4.3 3.0 3.0 4.7 8.7
4.8
EXO-001 801 086 Orifice 1
2.5 3.2 2.3 2.3 3.5 6.5
3.6
EXO-000 801 085 Orifice 0
1.2 1.6 1.1 1.1 1.7 3.3
1.8
EXO-00X 801 084 Orifice X
0.7 0.9 0.6 0.6 1.0 1.8
1.0
ASC 24V 801 062 Coil 24 VAC 50-60Hz (8W)
For other operating conditions the selection tool “Copeland Select”
can be downloaded from www.emersonclimate.eu, or use correc-
tion factors with following formula:
Q
n
= Q
o
x K
t
x K
∆
p
Q
n
: Nominal valve capacity
Q
o
: Required cooling capacity
K
t
: Correction factor for evaporating and liquid
temperature
K∆p: Correction factor for pressure drop at valve
The nominal capacity (Qn) is based on the following conditions:
Refrigerant Evaporating temperature Condensing temperature Subcooling
R407C, R407F +4°C (dew point)
+38°C bubble point /
+43°C dew point
1K
R22, R134a, R404A, R507 +4°C +38°C 1K
R744 -40
°C
-10
°C
1K
Description Type PCN (single packing) PCN (bulk packing)
Plug and cable assembly (1.5 m) ASC-N15
804570 804570M
Plug and cable assembly (3.0 m) ASC-N30
804571 804571M
Plug and cable assembly (6.0 m) ASC-N60 804572 -
Plug PG9 Plug 801012 -
Plug PG11 Plug 801013 -