Specifications

VCES-ERV-IOM-3B – Indoor ERV
4
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 - 8 kW, two-stage
3
O – Preheat - 8 kW, four-stage
3
P – Preheat - 8 kW, SCR
3
Q – Preheat - 14 kW, two-stage
3
R – Preheat - 14 kW, four-stage
3
S – Preheat - 14 kW, SCR
3
T – Preheat - 20 kW, two-stage
3
U – Preheat - 20 kW, four-stage
3
Y – Preheat - 20 kW, SCR
3
C – Non-defrost
N – Non-defrost, no wall
control compatibility
4
15. ENERGY RECOVERY
1 – Aluminum wheel, no purge
2 – Aluminum wheel c/w purge
14. FREE COOLING
S – Setpoint enthalpy controller
D – Differential enthalpy controller
T – Thermostat (dry bulb)
X – No free cooling controller
13. FILTRATION
S – Supply filter
E – Exhaust filter
B – Supply and exhaust filters
X – No filtration
12. RETURN AIR
B – Bottom return air
E – End return air
T – Top return air
11. SUPPLY DISCHARGE
D – Down supply discharge
E – End supply discharge
T – Top supply discharge
10. EXHAUST DISCHARGE
E – End exhaust discharge
T – Top exhaust discharge
S – Side exhaust discharge
9. EXTERNAL DISCONNECT
F – Fused disconnect switch
9
N – Non-fused disconnect switch
9
X – No disconnect switch
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
2. VOLTAGE/SPEED
A – 120/1/60 - one-speed
B – 208–120/1/60 - one-speed
5
C – 230–120/1/60 - one-speed
5
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
5
I – 230–120/1/60 - two-speed
5
N – 208/3/60 - VFD
6
O – 230/3/60 - VFD
6
P – 460/3/60 - VFD
6
Q – 575/3/60 - VFD
6
3. INTERNAL PROTECTION
1 – 1” insulation, single wall
2 – 1” insulation, double wall
4. SENSOR CONTACTS
D – Dirty filter contacts
W – Wheel rotation sensor
7
B – Dirty filter contacts and
wheel rotation sensor
7
X – No contacts, no sensor
5. EXTERNAL FINISH
S – Standard galvanized package
W – White prepaint package
6. OUTSIDE AIR DAMPER
1 – Insulated motorized
2 – Insulated spring return
3 – No damper
7. EXHAUST AIR DAMPER
8
1 – Backdraft (low leak)
2 – Non-insulated motorized (low leak)
3 – Insulated motorized (low leak)
4 – No damper
Notes:
1 When ordering recirc defrost, you must order outside air and exhaust air dampers. Recirc defrost option includes recirculation dry contacts for unoccupied mode.
2 Outside air damper required.
3 120/1/60, 208/1/60 and 230/1/60 voltages are not available with preheat frost control options.
4 No dampers required.
5 Requires a neutral wire with L1 and L2.
6 All VFD options include one controller per motor.
7 Units ordered with the wheel rotation sensor option must include a frost control option other than ‘V’ or ‘N’.
8 Exhaust air damper must be field installed in exhaust duct.
9 Fused/non-fused disconnect switch is field installed.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
ERV1500i Nomenclature (800–2,000 cfm)