Page 36 of 41
Medusa 510/511 Series Iss.11 – 07/12
FIGURE 3: 511 3 ZONE VERSION - 110V VERSION
A
Temperature controller
B
Timer
C
Temperature indicator
D
PRT input socket
E
T/C input socket
F
RS 422 comms socket
G
On/Off switch
H
Cable entry gland
I
Switch contact (thermostat)
J
Timer enable/disable
K
Top zone controller
L
Bottom zone controller
Note: Fuses and fuse carriers mounted internally. Accessed by removing the yellow cover. Factory set as: 110 Volt -
Live - 20A Fuse, 0 Volt - Neutral - Link (can be exchanged for fuse if required)