33359 Whispa RCU (US) Manual+FR.qxp 15/04/2019 11:00 Page 6
EN
6.0 Electrical Connection
WARNING: This appliance must be grounded.
l The electrical installation must comply with
local or national wiring regulations.
l A hole is provided at the lower left hand corner
of the unit for a BX or Romex connector.
Do not energize the electrical supply until the remaining stages of the installation have been completed.
Fig. 2
l A 24V room thermostat (on/off or set back type) can be wired
l Make electrical connection to the terminal block:
Tr
Ac
T
Actu
Line
Neutral
(Supply) Ground
T1
T2 Ground
®
WHISPA III
5000, 9000 & 12000 RCU
to the unit to give room temperature control.
Black Lead – Hot 120V 60Hz
White lead – Neutral
Green – Ground
05