Holy Cross School Performance
The Mandate
Design 1
The Mandate
Design 2
| Project | Holy Cross | Line In | |||||
| Tag(s) | HRU - 1 | Voltage | 575-3-60 | ||||
| Agent | HTS | FLA | 22.5 | AMPS | |||
| Job Number | AMPACITY | 25 | AMPS | ||||
| MAX.NON-TIME DELAY FUSE | 50 | AMP | |||||
| MAX.TIME DELAY FUSE | 35 | AMP | |||||
| MAX.CIRCUIT BREAKER | 40 | AMP | |||||
| MIN.WIRE SIZE | #10 | AWG | |||||
| Model | ||||||||
|---|---|---|---|---|---|---|---|---|
| RG 16000 (9500) | ||||||||
| Weight | 3573 KG | 7897 LB | Indoor | Supply/exhaust air | Type 1 | |||
| Heaviest Section (Split units only) | 731 KG | 1615 LB | ||||||
| Fans | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supply air fan: ATZAF 20-20 | ||||||||
| Exhaust air fan ATZAF 20-20 |
| Technical Data | ||
|---|---|---|
| Input Air | Sup.Air | Exh. air |
| Air Volume (CFM) | 9090 | 9090 |
| Filter class (MERV) | 8 | None |
| External pressure drop (in W.C) | 1.50 | 1.50 |
| Output Data | ||
| Design Pressure drop filter (in W.C) | 0.50 | 0.00 |
| Pressure drop in heat exch. (in W.C) | 0.53 | 0.53 |
| Auxillary Pressure Drop drop (in W.C) | 0.00 | 0.00 |
| Static Pressure (in W.C) | 2.53 | 2.03 |
| Unit air velocity (fpm) | 385 | 385 |
| Fan Speed (rpm) | 1503 | 1428 |
| Max (rpm) | 2300 | 2300 |
| Fan efficiency (%) | 71.06 | 67.07 |
| Required bhp | 5.55 | 4.84 |
| Motor efficiency (%) | 91.7 | 91.7 |
| Motor power rating (hp) | 10.00 | 10.00 |
| Motor RPM | 1765 | 1765 |
| Motor Operating Frequency (Hz) | 51 | 49 |
| Expected Performance | |
|---|---|
| Input data | Calculated |
| Winter | |
| Design outdoor temp. (oF) | 28.40 |
| Operating time hours/year (h) | 2600 |
| Desired supply air temp. winter (oF) | 70.0 |
| Exhaust air temperature (°F) | 70.0 |
| Output data | |
| Temp. efficiency (across unit) (%) | 92.7 |
| Supply air temp. after unit (°F) | 66.98 |
| Heat power demand gross (BTUH) | 408,396 |
| Recovered heat across unit (BTUH) | 378,758 |
| Req. add. heat energy (BTUH) | 29,638 |
Standard Features
- Extruded aluminum post and corner construction
- Galvanized exterior panels
- Galvanized liner
- 2" insulation
- All sections come with hinged access doors, and locking latches on control section
- Multi-Damper switchover section complete with actuators
- Galvanized damper blades, damper rods and axles
- Direct Drive Plenum Fans
Design 2
| Project | Holy Cross | Line In | |||||
| Tag(s) | HRU - 1 | Voltage | 480-3-60 | ||||
| Agent | HTS Sudbury | FLA | 28 | AMPS | |||
| Job Number | AMPACITY | 31 | AMPS | ||||
| MAX.NON-TIME DELAY FUSE | 70 | AMPS | |||||
| MAX.TIME DELAY FUSE | 45 | AMP | |||||
| MAX.CIRCUIT BREAKER | 50 | AMP | |||||
| MIN.WIRE SIZE | #8 | AWG | |||||
| Model | ||||||||
|---|---|---|---|---|---|---|---|---|
| RG 16000 (9500) | ||||||||
| Weight | 3573 KG | 7897 LB | Indoor | Supply/exhaust air | Type 1 | |||
| Heaviest Section (Split units only) | 731 KG | 1615 LB | ||||||
| Fans | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supply air fan: ATZAF 20-20 | ||||||||
| Exhaust air fan ATZAF 20-20 |
| Technical Data | ||
|---|---|---|
| Input Air | Sup.Air | Exh. air |
| Air Volume (CFM) | 9090 | 9090 |
| Filter class (MERV) | 8 | None |
| External pressure drop (in W.C) | 1.50 | 1.50 |
| Output Data | ||
| Design Pressure drop filter (in W.C) | 0.50 | 0.00 |
| Pressure drop in heat exch. (in W.C) | 0.53 | 0.53 |
| Auxillary Pressure Drop drop (in W.C) | 0.00 | 0.00 |
| Static Pressure (in W.C) | 2.53 | 2.03 |
| Unit air velocity (fpm) | 385 | 385 |
| Fan Speed (rpm) | 1503 | 1428 |
| Max (rpm) | 2300 | 2300 |
| Fan efficiency (%) | 71.06 | 67.07 |
| Required bhp | 3.39 | 2.79 |
| Motor efficiency (%) | 91.7 | 91.7 |
| Motor power rating (hp) | 10.00 | 10.00 |
| Motor RPM | 1765 | 1765 |
| Motor Operating Frequency (Hz) | 60 | 49 |
| Expected Performance | |
|---|---|
| Input data | Calculated |
| Winter | |
| Design outdoor temp. (oF) | -7.20 |
| Operating time hours/year (h) | 2600 |
| Desired supply air temp. winter (oF) | 70 |
| Exhaust air temperature (oF) | 69.9 |
| Output data | |
| Temp. efficiency (across unit) (%) | 88.3 |
| Supply air temp. after unit (%) | 60.85 |
| Heat power demand gross (BTUH) | 757,888 |
| Recovered heat across unit (BTUH) | 668,060 |
| Req. add. heat energy (BTUH) | 89,828 |
Standard Features
- Extruded aluminum post and corner construction
- Galvanized exterior panels
- Galvanized liner
- 2" insulation
- All sections come with hinged access doors, and locking latches on control section
- Multi-Damper switchover section complete with actuators
- Galvanized damper blades, damper rods and axles
- Direct Drive Plenum Fans
LEEDing the way. We’re proud to be a part of many LEED projects. (Leadership in Energy and Environmental Design).