19
Wiring Diagrams
Double Pole Isolator
Fuse
L
N
L
N
Supply wiring diagram 230V~50Hz ref EE 141
Volt-free boost switching of MVHR
controller PCB using single-pole
switches TP 502, TP 503, TP 507
and / or TP500 / TP501 humidistat.
There is no limit to the number of
single pole switches or
humidistats that can used.
SWITCH POSITIONS
1 - Setback Speed
2 - Continuous Speed
3 - Boost Speed
Volt-free setback switching of MVHR
controller PCB using single-pole
latching switch and / or volt-free
normally open relay contacts.
To avoid the unit being inadvertently
left in Setback Mode, it is recom-
mended that only one latching switch
is fitted.
L
U1 U2 U3
TP 508
Three position rotary switch
TP500/TP501
Humidistat
1 2 3
Volt-free setback switch or
normally open relay contacts
Volt-free activation of Summer Mode
using one way latching switch.
Not to be installed
on MB models.
Volt-free activation of Summer Mode
using room thermostat.
Not to be installed
on MB models.
TP 506
Latching Summer Mode
switch
TP509
Room Thermostat
Y1
L
Y2
Boost switching and Humidistat connection
Summary of Contents for auralite TP518
Page 21: ...21 Wiring Diagrams ...
Page 22: ...22 Notes ...
Page 30: ...30 Service Record Serviced By Company Date Notes ...