Specifications
VCES-ERV-IOM-3B – Indoor ERV
6
Notes:
1 When ordering recirc defrost or unoccupied recirc, you must order outside air and exhaust air dampers. Recirc defrost option includes recirculation dry contacts
for unoccupied mode.
2 Outside air damper required.
3 208/1/60 and 230/1/60 voltages are not available with preheat frost control options. 30 and 40 kW preheat frost control options are not available with 208–230/3/60 voltages.
4 Unoccupied recirc is not available with side outside air intake option.
5 No dampers required.
6 Requires a neutral wire with L1 and L2.
7 All VFD options include one controller per motor.
8 Units ordered with the wheel rotation sensor option must include a frost control option other than ‘V’ or ‘N’.
9 Exhaust air damper is supplied loose and must be field installed in exhaust duct.
10 Fused/non-fused disconnect switch is field installed.
11 A maximum of 2,650 cfm is allowed for cooling applications.
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ERV3000i Nomenclature (2,000–4,000)
1. FROST CONTROL
D – Recirc defrost
1
E – Exhaust only
2
V – VSD frost prevention, no
wall control compatibility
W – VSD frost prevention
M – Preheat - 20 kW, two-stage
3
O – Preheat - 20 kW, four-stage
3
P – Preheat - 20 kW, SCR
3
Q – Preheat - 30 kW, two-stage
3
R – Preheat - 30 kW, four-stage
3
S – Preheat - 30 kW, SCR
3
T – Preheat - 40 kW, two-stage
3
U – Preheat - 40 kW, four-stage
3
Y – Preheat - 40 kW, SCR
3
A – Preheat w/ unocc. recirc -
20 kW, two-stage
1/3/4
B – Preheat w/ unocc. recirc -
20 kW, four-stage
1/3/4
F – Preheat w/ unocc. recirc -
20 kW, SCR
1/3/4
G – Preheat w/ unocc. recirc -
30 kW, two-stage
1/3/4
H – Preheat w/ unocc. recirc -
30 kW, four-stage
1/3/4
I – Preheat w/ unocc. recirc -
30 kW, SCR
1/3/4
J – Preheat w/ unocc. recirc -
40 kW, two-stage
1/3/4
K – Preheat w/ unocc. recirc -
40 kW, four-stage
1/3/4
L – Preheat w/ unocc. recirc -
40 kW, SCR
1/3/4
C – Non-defrost
N – Non-defrost, no wall
control compatibility
5
2. VOLTAGE/SPEED
B – 208–120/1/60 - one-speed
6
C – 230–120/1/60 - one-speed
6
D – 208/3/60 - one-speed
E – 230/3/60 - one-speed
F – 460/3/60 - one-speed
G – 575/3/60 - one-speed
H – 208–120/1/60 - two-speed
6
I – 230–120/1/60 - two-speed
6
N – 208/3/60 - VFD
7
O – 230/3/60 - VFD
7
P – 460/3/60 - VFD
7
Q – 575/3/60 - VFD
7
3. INTERNAL PROTECTION
1 – 1” insulation, single wall
2 – 1” insulation, double wall
4. SENSOR CONTACTS
D – Dirty filter contacts
W – Wheel rotation sensor
8
B – Dirty filter contacts and wheel rotation sensor
8
X – No contacts, no sensor
5. EXTERNAL FINISH
S – Standard galvanized package
W – White prepaint package
6. OUTSIDE AIR DAMPER
1 – Non-insulated motorized (low leak)
2 – Insulated motorized (low leak)
3 – Insulated spring return (low leak)
4 – No damper
7. EXHAUST AIR DAMPER
9
1 – Backdraft (low leak)
2 – Non-insulated motorized
(low leak)
3 – Insulated motorized (low leak)
4 – No damper
8. DOOR FASTENERS
S – Standard blower door and
filter door c/w metal handles
and screws
D – Deluxe blower door and filter
door c/w polyamide handles
and ¼ turn fasteners
9. EXTERNAL DISCONNECT
F – Fused disconnect switch
10
N – Non-fused disconnect switch
10
X – No disconnect switch
11. EXHAUST DISCHARGE
E – End exhaust discharge
S – Side exhaust discharge
T – Top exhaust discharge
12. SUPPLY DISCHARGE
D – Down supply discharge
E – End supply discharge
T – Top supply discharge
13. RETURN AIR
B – Bottom return air
E – End return air
T – Top return air
14. MEF FILTRATION
S – MEF supply filter
E – MEF exhaust filter
B – MEF supply and exhaust filters
X – No MEF filtration
15. HEF FILTRATION
H – High efficiency supply filter
X – No HEF filtration
16. FREE COOLING
S – Setpoint enthalpy controller
D – Differential enthalpy controller
T – Thermostat (dry bulb)
X – No free cooling controller
17. BLOWER ISOLATION
R – Rubber blower isolation
S – Spring blower isolation
18. ENERGY RECOVERY
1 – Aluminum wheel, no purge
2 – Aluminum wheel c/w purge
19. HEATING
H – Hot water
S – Steam heat
X – No heat
20. COOLING
C – Chilled water
11
D – Dx cooling
11
X – No cooling
10. OUTSIDE AIR INTAKE
E
– End outside air intake
T – Top outside air intake
S – Side outside air intake










