TPxxx HMB/HMBE Units ONLY
Switching & Controls
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 maximum of 10 single
pole switches or humidistats
that can used.
TP500/TP501
Humidistat
1
2 3
Boost switching and Humidistat connection ref EE173
Setback Mode switching and connection ref EE177
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 tted.
Volt-free setback switch or
normally open relay contacts
SUMMERboost® switch connection ref EE178
Volt-free control of SUMMERboost®
using one way latching switch.
Volt-free control of SUMMERboost®
using room thermostat.
TP 522
Latching SUMMERboost® switch
TP509
Room Thermostat
Y1
L
Y2
14