UPM THM701 Guide d'installation télécharger pdf (Page 33)

Wiring Diagrams

30

Wiring Key

Regular Wiring

G - Fan output

Y - Cool output

H1 / H2 - Humidifier control

Rc - Common for Cooling and Fan

Rh - Common for Heating

W - Heat output

4 Wire Heating

Rc / Rh - Common (Rc and Rh

must be connected with jumper)

5 Wire Heating

2 separate transformers (Heat / Cool)

Rc / Rh - Common (wire separately,

jumper must not be installed)

4-WIRE HEATING/COOLING

5-WIRE HEATING/COOLING

G

Y

H2

H1

Rc

Rh

W/ B/O

G

Y

H2

H1

Rc

Rh

W/ B/O

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