78630 Installation and Service Manual

2-518.8
© Modine Manufacturing Company 2021
5. Wire the transformer relay per Figures 4, 5, or 6. Refer
to wiring diagram on the inside of the power junction box
cover
6. For the VE & PTE 300, 400 and 500 only, a jumper wire
(14 ga. minimum) must be added between the "L" and "H"
terminals of the control terminal block.
Installation and wiring - VE and PTE models
Figure 3
Installation - VE and PTE models
Transformer
Relay
Power Supply
Knockout
Figure 4
Wiring Diagram
Models VE50-250 - 208 or 240V Power Supply
Low Voltage
Thermostat*
Transformer Relay 208
and 240V Units
YL
BU
BK
Control
Terminal
Block
Power Terminal
Block
Figure 5
Wiring Diagram
Models VE50-250 - 480V Power Supply
Low Voltage
Thermostat*
Transformer Relay
480V Units
YL BU BK
Control
Terminal
Block
To Motor
Factory Installed Wire
Nut
Contactor
Figure 6
Wiring Diagram
Models VE300, 400, 500/PTE300, 400, & 500
Low Voltage
Thermostat*
Transformer Relay
Control
Terminal
Block
To Motor
Factory Installed
Wire Nut
YL
BU BK
Modine Manufacturing Company
1500 DeKoven Avenue
Racine, WI 53403
Phone: 1.800.828.4328 (HEAT)
www.modinehvac.com