2
VC3xxxX relay pack models available
VC3500E5000 VC3504E5000 VC3400E5000 VC3404E5000 VC3300E5000
Slave Fan Unit
Applications
2 pipes
2 pipes with reheat
4 pipes
2 pipes
2 pipes with reheat
4 pipes
2 pipes
2 pipes with
modulating pulsed
reheat
2 pipes
2 pipes with
modulating pulsed
reheat
Slave fan control only
Fan control
Up to 3 speed Up to 3 speed Up to 3 speed Up to 3 speed Up to 3 speed
Monitoring
inputs
None 4 FCU remote inputs None 4 FCU remote inputs None
Control types
On-Off line switched
valve output control
- 1 heat / cool output
- 1 cool output
- 3 fan outputs
On-Off line switched
valve output control
- 1 heat / cool output
- 1 cool output
- 3 fan outputs
On-Off line switched
valve output control
- 1 heat / cool output
- 1 Modulating pulsed
Vdc output for SSR
electric reheat
control
- 3 fan outputs
On-Off line switched
valve output control
- 1 heat / cool output
- 1 Modulating pulsed
Vdc output for SSR
electric reheat
control
- 3 fan outputs
Slave fan control only
3 fan outputs
Ordering Information Notes:
Please refer to the “Operation overview” section for related information on VTR73xxA and VC3xxxX arrangements and possible
combinations.
• More than one VC3xxxX Relay Pack can be used for a single VTR73xxA Terminal Equipment Controller.
• Only one VC3x4X Relay Pack with monitoring inputs can be used for a single VTR73xxA Terminal Equipment Controller
Ordering examples:
• A VC3500E5000 is for a 90 to 277 Vac powered FCU mounted Relay Pack with the following outputs:
o Three 90 to 277 Vac switching fan relay outputs
o Two 90 to 277 Vac switching valve relay outputs
• A VC3504E5000 is for a 90 to 277 Vac powered FCU mounted Relay Pack with the following inputs and outputs:
o One configurable universal input
o One configurable binary input
o One dedicated discharge air temperature monitoring input
o One dedicated return air temperature control input
o Three 90 to 277 Vac switching fan relay outputs
o Two 90 to 277 Vac switching valve relay outputs
• A VC3300E5000 is for a 90 to 277 Vac powered FCU mounted Relay Pack with the following outputs:
o Three 90 to 277 Vac switching fan relay outputs
Features and benefits
Features VTR73xxA Terminal Equipment
Controller
Benefits
• Models available with internal humidity sensing ⇒ Increased occupant comfort through dehumidification
• Advanced occupancy functions ⇒ Through the network or smart local occupancy sensing
• Ready for PIR accessory cover ⇒ Fully integrated advanced occupancy functionality
• Configurable sequences of operation ⇒ Single model meets more applications
• Configurable fan functions button ⇒ Meets more applications with a single model
• Unique configuration setup utility ⇒ Minimizes parameter tampering
• Multi level lockable keypad
⇒ Tamper proof, no need for Terminal Equipment Controller
guards
• Auto Fan speed mode
⇒ Increased occupant comfort in cooling mode by reducing
humidity and offer less fan noise in all mode of operation
Features VC3xxxX Relay Pack Benefits
• Universal line powered from 90 to 277 Vac
⇒ No external transformer needed
⇒ One model fits all voltage requirements
• Line switching from 90 to 277 Vac ⇒ No pilot duty relay required
• 2 configurable inputs ⇒ Adds functionality
• Dedicated discharge air temperature monitoring ⇒ Adds functionality
• Dedicated return air temperature control ⇒ Return air temperature control where application dictates
• Pulsed Vdc output for SSR electric reheat
⇒ Advanced modulating electric heat control on specific
models
(18 pagine)
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