esvEH_singledual_2023_V2.pdf
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- Solicitation number
- FA813726R0026
About this file
This is a product specification and selection guide for Titus electric heating coils designed for single and dual duct variable air volume (VAV) terminal units (PESV, AESV, DESV models). The document provides detailed capacity tables and application data for two heating configurations: staged heat and Lynergy heat systems.
The electric coils are available in multiple inlet sizes (4 through 24x16) with heating CFM ranges from 55-225 CFM up to 1800-8000 CFM. The coils support various electrical configurations including 120V single phase, 208V single phase, 240V single phase, 277V single phase, 208V three phase, and 480V three phase (4-wire wye, with 3-wire configuration available). Maximum kW capacities vary by inlet size and voltage, ranging from 2.5 kW to 36.0 kW for staged heat and up to 25.0 kW for Lynergy heat configurations. The staged heat option offers one to three heating steps, while Lynergy heat provides continuous modulation. Selection criteria require verification that desired kW capacity is available for the specified unit size, minimum airflow limits are within recommended operating ranges, and the coil satisfies the formula kW ≤ cfm × 0.0142 to limit temperature rise to 45°F. Coil discharge temperatures should not exceed 100°F for proper operation, with optimal diffuser performance achieved when discharge temperatures remain no more than 15°F above desired room temperatures. The coils feature an extended plenum section and diffuser plate to minimize stratification and heating elements designed to prevent hot spots and thermal cutout nuisance tripping.
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| w w w .titus-hvac.com single / dual duct terminals
M23
M
ELECTRIC COILS
SELECTION AND CAPACITIES
PESV, AESV, DESV / APPLICATION DATA (STAGED HEAT)
Useful formulas: cfm x ΔT cfm ΔT kW x 3160kW x 3160 kW = or ΔT = or cfm =
Titus electric heating coils are specifically designed for use with VAV terminal units. They include an extended plenum section and diffuser plate to minimize stratification. The heating elements are designed to minimize hot spots and nuisance tripping of the thermal cutouts.
Must be within recommended ranges to ensure proper operation and long service life. For optimum diffuser performance and maximum thermal comfort, coil discharge temperatures should not be more than 15°F above desired room temperatures. For proper coil operation it is recommended that coil discharge temperatures do not to exceed 100°F.
To make a coil selection:
1. Check the desired kW is available in desired unit size and number of stages. (Required to prevent excessive watt density and current draw, while taking into account unit size limitations.)
2. Check the desired minimum airflow limit is within recommended operating range. (Ensures velocity pressure will be sufficient to close airflow sensing switch.)
3. Multiply desired minimum airflow limit by a factor of 0.0142 and check the result is equal to or greater than desired kW. (Limits temperature rise across the coil to 45°F.)
Recommended Coil Selection Data The table at the right describes the maximum recommended kW capacities and number of stages available for Titus single duct terminals.
These requirements established to prevent excessive temperature rise caused by low airflow and/or oversized coils. Minimum airflow limits kW ≤ cfm x 0.0142
Where ΔT = air temperature rise.
Note: The Titus 480V, 3-phase electric heat configuration is 4-wire wye. 3-wire configuration is available.
ELECTRIC COILS
Inlet Size Heating cfm
Range
Number of Steps
Available
120V 1 Phase kW Range
208V 1 Phase kW Range
240V 1 Phase kW Range
277V 1 Phase kW Range
208V 3 Phase kW Range
480V 3 Phase kW Range
Min Max Min Max Min Max Min Max Min Max Min Max
4 55-225 1 0.5
5.0 0.5
3.0 1.0
3.0 1.0
3.0 1.5 3.0 2.5 3.02 1.0 1.0 1.5 1.5 3 1.5 1.5 2.0 2.5
5 85-350 1 0.5
5.0 0.5
5.0 1.0
5.0 1.0
5.0 1.5 5.0 2.5 5.02 1.0 1.0 1.5 1.5 3 1.5 1.5 2.0 2.5
6 105-500 1 0.5
5.0 0.5
7.5 1.0
7.5 1.0
7.5 1.5 7.5 2.5 7.52 1.0 1.0 1.5 1.5 3 1.5 1.5 2.0 2.5
7 135-650 1 0.5
5.0 0.5
9.5 1.0
9.5 1.0
9.5 1.5 9.5 2.5 9.52 1.0 1.0 1.5 1.5 3 1.5 1.5 2.0 2.5
8 190-900 1 0.5
5.0 0.5
9.5 1.0
11.0 1.0
13.0 1.5 13.0 2.5 13.02 1.0 1.0 1.5 1.5 3 1.5 1.5 2.0 2.5
9 225-1050 1 0.5
5.0 0.5
9.5 1.0
11.0 1.0
13.0 1.5 16.0 2.5 16.02 1.0 1.0 1.5 1.5 3 1.5 1.5 2.0 2.5
10 300-1400 1 0.5
5.0 0.5
9.5 1.0
11.0 1.0
13.0 1.5 16.0 2.5 21.02 1.0 1.0 1.5 1.5 3 1.5 1.5 2.0 2.5
12 425-2000 1 0.5
5.0 0.5
9.5 1.0
11.0 1.0
13.0 1.5 16.0 2.5 30.02 1.0 1.0 1.5 1.5 3 1.5 1.5 2.0 2.5
14 575-3000 1 0.5
5.0 1.0
9.5 1.0
11.0 1.5
13.0 1.5
16.0 3.0 36.02 1.0 2.0 2.0 2.0 2.0 3 1.5 3.0 3.0 3.0 3.0
16 750-4000 1 0.5
5.0 1.0
9.5 1.0
11.0 1.5
13.0 1.5
16.0 3.0 36.02 1.0 2.0 2.0 2.0 2.0 3 1.5 3.0 3.0 3.0 3.0
24x16 1800-8000 1 1.0
5.0 1.0
9.5 1.0
11.0 1.5
13.0 1.5
16.0 4.0 36.02 2.0 2.0 2.0 3.0 2.0 3 3.0 3.0 3.0 4.5 3.0 www.
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M24
M
ELECTRIC COILS
PESV, AESV, DESV / APPLICATION DATA (LYNERGY HEAT)
EL
EC
TR
IC
C
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LS
Inlet Size
Heating cfm Range
120V 1 Phase kW Range
208V 1 Phase kW Range
240V 1 Phase kW Range
277V 1 Phase kW Range
208V 3 Phase kW Range
480V 3 Phase kW Range
Min Max Min Max Min Max Min Max Min Max Min Max
4 55-225 0.5 2.5 0.5 3.0 1.0 3.0 1.0 3.0 1.5 3.0 2.5 3.0
5 85-350 0.5 4.5 0.5 5.0 1.0 5.0 1.0 5.0 1.5 5.0 2.5 5.0
6 105-500 0.5 5.0 0.5 7.5 1.0 7.5 1.0 7.5 1.5 7.5 2.5 7.5
7 135-650 0.5 5.0 0.5 9.5 1.0 9.5 1.0 9.5 1.5 9.5 2.5 9.5
8 190-900 0.5 5.0 0.5 9.5 1.0 11.0 1.0 13.0 1.5 10.5 2.5 13.0
9 225-1050 0.5 5.0 0.5 9.5 1.0 11.0 1.0 13.0 1.5 10.5 2.5 16.0
10 300-1400 0.5 5.0 0.5 9.5 1.0 11.0 1.0 13.0 1.5 10.5 2.5 21.0
12 425-2000 0.5 5.0 0.5 9.5 1.0 11.0 1.0 13.0 1.5 10.5 2.5 25.0
14 575-3000 0.5 5.0 1.0 9.5 1.0 11.0 1.5 13.0 1.5 10.5 3.0 25.0
16 750-4000 0.5 5.0 1.0 9.5 1.0 11.0 1.5 13.0 1.5 10.5 3.0 25.0
24x16 1800-8000 2.0 5.0 1.0 9.5 1.0 11.0 1.5 13.0 1.5 10.5 4.0 25.0 www.
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